Relevant bibliographies by topics / Ductility tester

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Ductility tester'

Author: Grafiati
Published: 28 May 2022
Last updated: 31 July 2025

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Journal articles on the topic "Ductility tester"

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Oshida, Yoshiki, Masasi Miyazaki, Hisham Osman, and Loretta Xirouchaki. "Development of Photo-Sensing Bulge Ductility Tester." Bio-Medical Materials and Engineering 5, no. 2 (1995): 125–39. http://dx.doi.org/10.3233/bme-1995-5207.

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Guo, Guo Lin, and Yang Li. "The Investigation on Wear Resistance of Fe-Based Alloy Coating by Argon Arc Cladding." Applied Mechanics and Materials 217-219 (November 2012): 1247–50. http://dx.doi.org/10.4028/www.scientific.net/amm.217-219.1247.

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By argon arc cladding technology, a Fe-based alloy coating was prepared on the surface of Q235 steel. The microstructure of the cladding coating was investigated by optical microscope (OM) and scanning electron microscope(SEM). The microhardness and wear resistance performance of the coating were tested by microhardness tester and friction-wear tester. The results show that the alloy coating with martensite, alloy solid solution and (Cr, Fe) 7C3/Fe3C/ Fe2B compounds is prepared on the surface of Q235 steel, the microhardness of the coating reaches as high as 600 HV and the wear resistance of t
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Bain, Animesh, B. Ramakrishna Reddy, Prasad Ramchandra Baviskar, et al. "Influence of Annealing Process on Wear Resistance of AISI 431 Martensitic Stainless Steel." E3S Web of Conferences 309 (2021): 01125. http://dx.doi.org/10.1051/e3sconf/202130901125.

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Stainless steel is well known for its good corrosion resistance. It is easily available in the market at low cost. Martensitic stainless steels are hard and brittle in nature, it lacks ductility. Therefore hardness, brittleness, ductility has to be balanced in martensitic stainless steel. Annealing is chosen for this research work to maintain balance between ductility and brittleness. Martensitic stainless steel samples were cut into five small pieces of length 40 mm and diameter 12 mm each by using a lathe machine. Annealing process were carried out for three specimens to the temperature 7200
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He, Chunyu, Jianguang Wang, Yulai Chen, Wei Yu, and Di Tang. "Effects of Sn and Sb on the Hot Ductility of Nb+Ti Microalloyed Steels." Metals 10, no. 12 (2020): 1679. http://dx.doi.org/10.3390/met10121679.

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Referencing the composition of a typical Nb+Ti microalloyed steel (Q345B), two kinds of steels, one microalloyed with Sn and Sb, and the other one only microalloyed with Sb were designed to study the effects of Sn and Sb on the hot ductility of Nb+Ti microalloyed steels. The Gleeble-3500 tester was adopted to determine the high-temperature mechanical properties of the two test steels. Fracture morphologies, microstructures and interior precipitation status were analyzed by SEM, CLSM (Confocal laser scanning microscope) and EDS, respectively. Results revealed that within the range of 950–650 °C
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Kumar, P. Ravi, N. Senthil Kannan, J. Dinesh Kumar, et al. "Evaluation of wear behavior on AISI 431 by vaccum annealing method for sustainable applications." E3S Web of Conferences 552 (2024): 01005. http://dx.doi.org/10.1051/e3sconf/202455201005.

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In this research work, the vacuum annealed stainless steel samples were subjected to a constant load. The wear behavior of AISI 431 sample were examined by using pin on disc wear tester. The vacuum annealing were used to preserve the stability between ductility and brittleness. The samples were created in cylindrical shape with a length of 40 mm and diameter 8mm. For this current research, 3 samples are treated at 600°C, 660°C, 820°C temperatures and they were assigned asA1, A2 and A3 respectively. The outcome of vacuum annealing is that to reduce the hardness and increase in ductility, to ove
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Ch., Tirumala 1. Surarapu Giribabu2 &. Gandi Umesh3. "EFFECT OF COOLING RATE ON HARDNESS OF AISI 1040 STEEL." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 7, no. 2 (2018): 565–69. https://doi.org/10.5281/zenodo.1183997.

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The aim of present work is to investigate the effect of cooling rate on hardness property of 1040 steel. The samples were prepared and heat-treated at 723 ºC and750 ºC subsequently were cooled by (Air, Water, and Furnace) three different methods. For this purpose, the hardness of the steel after heat treatment was examined by Vickers hardness test. The objective of this work is heating the material to obtaining desired properties of steel such as improving the toughness, ductility or removing the residual stresses, etc.
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Swamy, Praveen Kumar, Shantharaja Mylaraiah, and Dadapeer Basheer. "Evaluation of Microstructure, Hardness, and Tensile Properties: A Comparative Study of Stir Cast and Extruded Al7005/Glass-/Fly-Ash-Reinforced Hybrid MMCs." Advances in Materials Science and Engineering 2021 (July 27, 2021): 1–7. http://dx.doi.org/10.1155/2021/8601484.

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The effect of extrusion ratio and addition of glass and fly ash on microstructural, mechanical properties, and fracture behavior of Al composites is examined. Both the composites and hybrid composites are prepared by the liquid metallurgical technique. Microstructure, extrusion effect on hardness, tensile properties, and fracture are studied using an optical micrograph, hardness tester, Universal Testing Machine, and scanning electron microscope, respectively. Experimental results show that increasing the extrusion ratio leads to a significant enhancement in mechanical properties such as tensi
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Wu, N. Q., Cedrix Xia, Ming Li, N. Perrusquia, and Scott X. Mao. "Interfacial Structure and Micro and Nano-Mechanical Behavior of Laser-Welded 6061 Aluminum Alloy Blank." Journal of Engineering Materials and Technology 126, no. 1 (2004): 8–13. http://dx.doi.org/10.1115/1.1631023.

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1 mm thick tailor-welded blank of 6061 alloy has been fabricated by Nd:YAG laser welding. The microstructure and the failure mechanism of the welded blank are investigated using optical microscope, atomic force microscope, energy dispersive spectroscopy, microindentation, and nanomechanical tester. The dendrite structure exists at the fusion zone. The partially melted zone is found near the fusion line. The tensile tests show that the welded alloy exhibits lower strength and ductility than the base alloy, and failure occurs at the partially melted zone during tensile testing. Combined nanoinde
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Ch., Tirumala Prasad1 Gandi Umesh2 &. N. Surya3. "INVESTIGATION OF HARDNESS FOR AISI 1040 STEEL USING VARIOUS COOLING METHODS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 7, no. 3 (2018): 207–11. https://doi.org/10.5281/zenodo.1198974.

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The aim of this work is to investigate the hardness of 1040 steel using various cooling methods. Heat treatment is the technique to get the required mechanical properties using different heat treatment process. The samples were prepared and heat-treated at 750 ºC and 850 ºC subsequently was cooled by three different methods (Air, Water, and Furnace). The objective of present work is to carry out the Vickers hardness of 1040 steel material in such a way that to improve the toughness, ductility or to remove the residual stresses.
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Muhammad, Nasir Uddin. "Analysis of the mechanical characteristics of mild steel using different heat treatment." World Journal of Advanced Research and Reviews 21, no. 2 (2024): 1611–16. https://doi.org/10.5281/zenodo.14036356.

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The specimen used in this study to test various mechanical properties is mild steel. Analyzed are the effects of heat treatment (annealing, hardening, and tempering) on a particular specimen's mechanical characteristics. The most significant heat treatment procedures frequently employed to alter the mechanical properties of engineering materials are annealing, hardening, and tempering. Heat treatment is used to examine the mechanical characteristics of iron, which are typically ductility, hardness, yield strength, tensile strength, and impact resistance. Heat treatment increases mechanical qua
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Dissertations / Theses on the topic "Ductility tester"

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Khoperia, T. N., and R. A. Gakhokidze. "Deposition of Nanofilms by the Electroless Method." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/34868.

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In the result of application of the developed technology, Au, Ag and Pd were adequately replaced with nonprecious metal alloys. The nanotechnologies using the electroless deposition are much more advantageous and simpler than other expensive methods of nanotechnology and allow the fabrication of photocatalysts and catalysts by means of deposition of nanocrystals having the specified properties on high-dispersive powder like semiconductors. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/34868
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Masaeli, Mahyar. "Robustness of connections in mass timber buildings; a study of scaling effects and ductility." Thesis, Griffith University, 2022. http://hdl.handle.net/10072/415814.

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While the progressive collapse mechanisms of concrete and steel buildings have been widely researched, limited studies have been carried out on mass timber buildings. Experimental testing under given loading scenarios of the entire system or a representative large part of it, may be required to extend the knowledge and improve design rules. However, due to the limited laboratory space and budget restrictions, fullscale tests are rare and may not always be possible. In steel and concrete, tests are frequently performed on scaled down systems. Since timber is an inhomogeneous material, interpret
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Rehman, Naveed Ur. "Behaviour of demountable shear connectors in composite structures." Thesis, University of Bradford, 2017. http://hdl.handle.net/10454/14790.

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The research presented in this thesis is to evaluate the feasibility of demountable shear connectors as an alternative to welded shear connectors in composite structures through push off tests and composite beam tests. Push off tests were conducted to examine the shear strength, stiffness and ductility of demountable shear connectors in composite structures. The experimental results showed that demountable shear connectors in composite structures have very similar shear capacity to welded shear connectors. The shear capacity was compared against the prediction methods used for the welded shear
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Rehman, Naveed. "Behaviour of demountable shear connectors in composite structures." Thesis, University of Bradford, 2017. http://hdl.handle.net/10454/14790.

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The research presented in this thesis is to evaluate the feasibility of demountable shear connectors as an alternative to welded shear connectors in composite structures through push off tests and composite beam tests. Push off tests were conducted to examine the shear strength, stiffness and ductility of demountable shear connectors in composite structures. The experimental results showed that demountable shear connectors in composite structures have very similar shear capacity to welded shear connectors. The shear capacity was compared against the prediction methods used for the wel
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Delalibera, Rodrigo Gustavo. "Análise teórica e experimental de vigas de concreto armado com armadura de confinamento." Universidade de São Paulo, 2002. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-17122004-144622/.

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Este trabalho discute a utilização de armadura de confinamento em vigas superarmadas de concreto armado. Essa armadura é constituída de estribos quadrados colocados na região de compressão da seção transversal da viga, aumentando a ductilidade. Para a análise numérica, utilizou-se programa computacional baseado no Método dos Elementos Finitos e que leva em consideração o efeito do confinamento no concreto, possibilitando estudar criteriosamente a influência da armadura de confinamento em vigas superarmadas. Na etapa experimental foi investigada a influência da taxa volumétrica da armadura tran
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Torres, Lopez Edwar Andres. "Desenvolvimento de teste in-situ de deformação a alta temperatura no MEV e sua aplicação no estudo do fenomeno de fratura por queda de ductilidade em ligas de niquel." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263478.

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Orientadores: Antonio Jose Ramirez, Rubens Caram Junior<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-11T13:06:54Z (GMT). No. of bitstreams: 1 TorresLopez_EdwarAndres_M.pdf: 39783627 bytes, checksum: 03310e12f2969671a1edcad6da907e3b (MD5) Previous issue date: 2008<br>Resumo: Foi desenvolvido um experimento para estudo in-situ dos processos de deformação a alta temperatura no interior do microscópio eletrônico de varredura, permitindo assim o estudo do fenômeno de trincamento a alta temperatura, denominad
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Torrico, Francisco Aguirre. "Análise teórica e experimental do comportamento de modelos de pilares esbeltos de concreto de alta resistência, considerando a ductilidade." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-06052010-105804/.

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Esta tese discute as análises teórica e experimental de pilares de seção retangular, esbeltos, confinados por estribos, de concreto de alta resistência, sujeitos à flexo-compressão, considerando os estados limites últimos de ruptura do concreto ou por deformação excessiva das barras da armadura ou por instabilidade. Foram ensaiados 12 modelos de pilares com esbeltez mecânica igual a 92, compondo três séries de 4 pilares cada uma; os parâmetros estudados foram a excentricidade da força, a taxa volumétrica de armadura transversal e a resistência do concreto. Em uma segunda fase, foram analisados
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Bouchard, Raphaël. "Comportement en traction longitudinale d'assemblages multi-tiges encollées dans le bois lamellé-collé." Master's thesis, Université Laval, 2021. http://hdl.handle.net/20.500.11794/69035.

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La conception d'assemblages demeure une étape cruciale durant la conception de structures en bois et peut mobiliser jusqu'à 70% du temps d'ingénierie. Les assemblages doivent a cher une résistance et rigidité adéquate en plus d'offrir une capacité de déplacement a n de compenser le comportement fragile du bois à la rupture. Pour l'industrie, ces critères de conception doivent accompagner d'autres critères clés comme le niveau de préfabrication, le coût ainsi que la facilité de fabrication et d'installation. Parmi les alternatives innovantes, les assemblages avec tiges collées (ATC) procurent u
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Viapiana, Lincoln Grass. "Influência do confinamento na resistência e ductilidade de pilares curtos de concreto de ultra alta resistência submetidos à compressão centrada." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-24052016-111841/.

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Neste estudo foram analisados experimentalmente o comportamento de 24 pilares curtos de Concreto de Ultra Alta Resistência - CUAR, confinados por armaduras helicoidais, avaliando especificamente os acréscimos de resistência e ductilidade obtidos com diferentes níveis de pressão lateral de confinamento. Na etapa experimental foram realizados ensaios de pilares curtos de CUAR com as seguintes características: - seção circular de 7,2 cm de diâmetro e comprimento de 23 cm, e quatro níveis de resistência à compressão do concreto sendo eles, 165, 175, 200 e 229 MPa, dosados sem e com adição de fibra
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Azevedo, Aline Passos de. "Resistência e ductilidade das ligações laje-pilar em lajes-cogumelo de concreto de alta resistência armado com fibras de aço e armadura transversal de pinos." Universidade de São Paulo, 1999. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-06122017-142903/.

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Neste trabalho analisa-se a resistência à punção e a ductilidade das ligações laje-pilar em doze modelos de lajes-cogumelo de concreto armado, nas quais se efetuam combinações de emprego de concreto de alta resistência, diferentes volumes de fibras de aço e uso de armadura transversal na forma de conectores de aço tipo pino. Todas as lajes são quadradas com 1160 mm de lado e 100 mm de espessura. A armadura de flexão foi composta de barras de aço de 10 mm espaçadas de tal forma a resistir a um momento fletor único em ambas direções. Os conectores, quando utilizados, foram dispostos radialmente
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Books on the topic "Ductility tester"

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United States. National Aeronautics and Space Administration., ed. An investigation of the loss of ductility in hydrogen charged Ý-Ti alloys: Final report. National Aeronautics and Space Administration, 1995.

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United States. National Aeronautics and Space Administration., ed. An investigation of the loss of ductility in hydrogen charged Ý-Ti alloys: Final report. National Aeronautics and Space Administration, 1995.

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An investigation of the loss of ductility in hydrogen charged Ý-Ti alloys: Final report. National Aeronautics and Space Administration, 1995.

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Book chapters on the topic "Ductility tester"

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Duan, Wenhong, Jiaquan Yuan, Li Xiong, et al. "Research on Axial Tensile Mechanical Properties of Early-Strength High Ductility Cementitious Composites." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4090-1_35.

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AbstractCement concrete is widely used in pavement, bridge decks and expansion joint anchorage zones. It is prone to cracking, potholes, spalling and other diseases during use. Cement-based repair materials generally have problems such as a long curing period, low bonding strength with existing concrete, and insufficient mechanical properties. Given this, this paper proposes an early-strength high-ductility cement composite material with the goal of short curing age, excellent tensile mechanical properties and relatively low price. The tensile mechanical properties of the composite material at
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Bompa, Dan V., Viorel Ungureanu, Ahmed Y. Elghazouli, and Ahamed Afsal. "Disassembly and Structural Reuse Potential of Steel-Timber Shear Connections with Screws." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-57800-7_21.

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AbstractThe paper evaluates the disassembly capability and reuse potential of steel-timber shear connections. Experiments involving double shear configurations with coach screws of three diameters are detailed. Monotonic tests were first performed for each configuration to evaluate the stiffness, strength, and ductility. Counterparts were then tested under ten loading-unloading cycles, to 40% of the capacity obtained from the monotonic tests, to evaluate stiffness degradation characteristics, screw deformations, and cross-laminated timber (CLT) panel damage. After disassembly and measurements,
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Gao, Hongyuan, Jie Liu, Changsha Liu, et al. "Seismic Performance of a Prefabricated Pre-embedded Steel–Concrete Column Base Connection." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-97-6238-5_22.

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AbstractA prefabricated pre-embedded steel–concrete column base was presented which aimed to be applied in a petroleum pipeline gallery and three full-scale specimens were tested under quasi-static cyclic loading to investigate the seismic performance. Failure patterns, hysteretic characteristics, skeleton curves, displacement ductility, and stiffness of columns have been studied. The results showed that concrete spalling failure in the cast-in-place connection part of all specimens occurred and there was no visible crack in the column. The hysteretic curves of specimens indicated relatively g
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Raj Bharati, Ganesan N., and Shashikala A.P. "Strength and behaviour of steel fibre reinforced self-compacting rubberised concrete beams under flexure." In Construction Materials and Structures. IOS Press, 2014. https://doi.org/10.3233/978-1-61499-466-4-871.

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Past studies indicate that addition of shredded rubber to concrete improves its ductility significantly. Also, the incorporation of steel fibres enhances the ductile and engineering properties remarkably. Considering these aspects, a sustainable composite having improved ductility has been developed by adding shredded scrap rubber to Self Compacting Concrete (SCC) as a partial replacement of fine aggregate. The flexural behaviour of Self Compacting Rubberised Concrete (SCRC) beams under monotonic loads has been studied. Besides this, the effect of adding steel fibres to SCRC to obtain Steel Fi
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"Front Matter." In Drop-Weight Test for Determination of Nil-Ductility Transition Temperature: User's Experience with ASTM Method E 208. ASTM International100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, 1986. http://dx.doi.org/10.1520/stp18392s.

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STP 919 addresses the user's experience with the drop weight test, ASTM standard E 208, which determines the nil ductility transition temperature of ferritic steels. The four broad topics of this book are: unusual material behavior; advantages of the test including correlations with service, other tests, or both; Shortcomings of the method; and unique testing equipment and experimental techniques.
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Rivera-Constantino Rigoberto, Juárez-Badillo Eulalio, and Jerónimo-Rodríguez Felipe de Jesús. "Mechanical behaviour for granular soils using the Principle of Natural Proportionality, undrained case." In Proceedings of the 16th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2005. https://doi.org/10.3233/978-1-61499-656-9-429.

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The Principle of Natural Proportionality (PNP) postulated in 1985 is a unifying principle from which many general equations used to describe the mechanical behaviour of geomaterials have emerged. This time improved general equations obtained by the PNP were applied to describe the stress-strain and pore pressure behavior for granular soils (sands) tested in undrained triaxial compression tests between confining pressures 50 kPa and 500 kPa. The stress-strain behaviour was fitted using the pre-peak inverted function and the post-peak ductility function. The general equation for pore pressure gi
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"Uniaxial Tensile Testing." In Tensile Testing, 2nd ed. ASM International, 2004. http://dx.doi.org/10.31399/asm.tb.tt2.t51060033.

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Abstract This chapter discusses the methodology of the tensile test and the effect of some of the variables on the tensile properties. The methodology and variables discussed are shape of the item being tested, method of gripping the item, method of applying the force, determination of strength properties other than the maximum force required to fracture the test item, ductility properties to be determined, speed of force application or speed of elongation, and test temperature. The chapter presents the definitions of the basic terms and their units, along with discussions of basic stress-stra
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Zea Carmelino, Rivera Rigoberto, Guillén Jorge B., and Marengo Humberto. "A Behavior Model for a Rockfill; An Application to Settlements calculations for &ldquo;La Yesca&rdquo; Dam." In From Fundamentals to Applications in Geotechnics. IOS Press, 2015. https://doi.org/10.3233/978-1-61499-603-3-1017.

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The Juarez-Badillo's Principle of Natural Proportionality establishes a relationship between natural strain and deviator stress, however in this work that principle is applied in a slightly different way, since strain is associated with the secant modulus in such a way that, by solving the corresponding differential equation, it is possible to unify the two branches of pre-peak and post-peak stress-strain curves in a single equation which depends on three parameters; the initial tangent modulus, the deviator stress failure in post-peak branch and the third, called by the authors &amp;ldquo;duc
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Conference papers on the topic "Ductility tester"

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Browning, B., G. Lim, A. Moyse, et al. "Study of Scratch Behavior of Epoxy Acrylate Coatings Based on Progressive Load Test." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05019.

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Abstract A new progressive load test is introduced to study the scratch behavior of a set of model UV-cured epoxy acrylate coatings. A custom-built scratch tester, capable of controlling imposed load and scratching rate, was employed. The model coating systems possess systematic variations in crosslink density. Microscopy tools were also utilized to determine the mode(s) of failure on the coating surfaces. Correlation is made between the coating resistance against surface damage and material parameters, such as modulus, ductility and adhesive strength to the substrate. The usefulness of the qu
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Bryant, Jon R., and Ernst Wallis. "Ductility of Precipitation Hardenable Nickel Alloy Following Hydrogen Absorption." In CORROSION 1988. NACE International, 1988. https://doi.org/10.5006/c1988-88068.

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Abstract This study was undertaken to better define the effects of hydrogen absorption on the ductility of alloy UNS N05500. Samples were cathodically charged with hydrogen followed by slow strain rate tensile testing. The samples consisted of forged rods and one piece of cold rolled strip. For comparison, alloy UNS N07718 was also tested in rod and strip form. Tensile strength increased as a function of charging time (1-15 days) and the ductility clearly dropped as measured by percent loss in elongation. Strip material was more susceptible to hydrogen embrittlement than the rod specimens for
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Pira, Jenny, Fabián Lamus, Juan Lizarazo, Patricia Luna, and Juan Reyes. "Flexural experimental assessment of ductility of SFRC beams using longitudinal reinforcing bars." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.0113.

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&lt;p&gt;Nowadays, products are available to improve the performance of reinforced concrete elements, such as short fibers, which are available in different geometries and aspect ratios. However, the regulations and standards for building construction do not allow its use in elements of the seismic resistance system. Therefore, a composite material called SFRC (steel fiber reinforced concrete) is being widely used in slabs, shells, or coatings as reinforcement to replace welded wire meshes or as a control system for shrinkage and pressure cracks in tunnels. For this research, SFRC specimens we
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Paterlini, Luca, Luca Casanova, Giorgio Re, Marco Ormellese, and Fabio Bolzoni. "A Comparison among Different Electrochemical Hydrogen Charging Methods Tested on Low Alloy Steels." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-18866.

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Abstract The current energy demand and the need to contain carbon dioxide emissions require the adoption of new energy vectors. Based on that, a progressively increasing percentage of gaseous hydrogen will be filled inside natural gas transportation pipeline systems, thus requiring a rigorous material compatibility assessment. It is well known how carbon and low alloy steels, may suffer hydrogen damage and hydrogen embrittlement, resulting in the reduction of toughness and ductility. The present study has been carried out in order to compare three different electrochemical methods to charge H
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Chiu, H., L. Qiao, and X. Mao. "Hydrogen Role in Stress Corrosion Cracking Process of Iron Aluminide Fe3Al in NaCl Solution." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95178.

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Abstract The stress corrosion cracking behavior of Fe3Al based intermetallic alloy in 3.5% NaCl solution was studied. The role of hydrogen in the cracking process was also defined. The susceptibility of the alloy to hydrogen embrittlement was first investigated by performing tensile tests in air environment and mineral oil. It was found that ductility increased with increasing strain rate when tested in air, but stayed at a high value when tested in mineral oil. This behavior indicates that the alloy is sensitive to hydrogen embrittlement in air. In 3.5 % NaCl solution, the environmental effec
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Dhillon, Amrinder P. S., Xu Lu, Roy Johnsen, et al. "Strain Hardened Austenitic Corrosion Resistant Alloys’ Susceptibility to Hydrogen Induced Stress Cracking." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19235.

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Abstract Three different strain hardened austenitic corrosion resistant alloys with chemical compositions providing high pitting resistance equivalent (PREN), have been tested for susceptibility to hydrogen. The grades were UNS N08034, UNS N08935 and DIN no. 1.4675 (a proprietary grade with no UNS number). The strain hardened corrosion resistant alloys were initially characterized by identifying the critical pitting temperature (CPT) using ASTM G48 Method C. Resistance to hydrogen embrittlement has been examined by employing the Slow Strain Rate Test and Stepwise Constant Load Test, and furthe
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Szklarz, Karol E., John Bowker, and Russ Orr. "Burst Test of a Vessel under Wet Sour Gas Conditions." In CORROSION 1997. NACE International, 1997. https://doi.org/10.5006/c1997-97517.

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Abstract A sour burst test of a pressure vessel is described and the results given. The vessel was inspected for existing defects, material properties tested, integrity analyzed and artificial defects introduced before the vessel was subjected to a worst-case environment causing hydrogen charging. The vessel had existing hydrogen-induced cracking (HIC) and some vertical weld defects. Laboratory materials testing in the hydrogen-charging environment showed the vessel was susceptible to HIC damage, showed no yield strength reduction, reduced plastic ductility in rising load but exhibited a britt
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Gir, Alam, Muhammad Fahim, and Abdul Ghani. "Behavior of RC Beam-Column Joints Using High-Strength Concrete and Engineered Cementitious Composite." In 14th International Civil Engineering Conference. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-wxh4qe.

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In seismically active areas, the structural integrity of structures is significantly reliant on the efficacy of beam-to-column connections. This study investigates the potential of high-strength concrete (HSC) and engineered cementitious composites (ECC) as alternatives to conventional transverse reinforcements to alleviate joint congestion and enhance the performance of beam-column joints. Four full-scale models were tested, including progressive and cyclic load evaluations. Two models had HSC, HBCJ I (HSC in joint only), and HBCJ II (HSC in joint plus extended to members), and the other had
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Paul, Larry. "UNS N06056 – an Improved Option for Welding in Nuclear Power Systems." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02209.

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Abstract Recent designs of commercial nuclear power plants, the so called 3rd generation plants, all make wide use alloy 690 (UNS N06690) for reactor and steam generator components. UNS N06690 is orders of magnitude more resistant to primary water stress corrosion cracking (PWSCC) than the alloy 600 (UNS N06600) used in previous generations of nuclear power plant design. While changing to UNS N06690 solved the PWSCC issue, there are still some issues involved with the corresponding switch in weld metals from N06082 to N06052. The N06052 is inherently more prone to hot cracking and ductility di
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Roy, Ajit K., Subhas Pothana, and Heidi Aquino. "Stress Corrosion Cracking of Cladding Materials under Different Loading Conditions." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04560.

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Abstract Slow-strain-rate (SSR) and constant-load (CL) stress corrosion cracking (SCC) tests were performed using two Zr alloys in neutral and acidic environments at temperatures ranging from ambient to 90°C. The cracking susceptibility was determined with and without the application of the controlled cathodic potentials. The metallography and fractography of the tested specimens were conducted by optical microscopy and scanning electron microscopy (SEM), respectively. The results of CL SCC testing showed no failure in either environment. SCC testing by the SSR technique revealed increased duc
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Reports on the topic "Ductility tester"

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Bellemare, Simon. PR-610-163756-R01 Hardness Strength and Ductility (HSD) Testing of Line Pipes Initial Validation. Pipeline Research Council International, Inc. (PRCI), 2017. http://dx.doi.org/10.55274/r0011424.

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In-ditch nondestructive material verification for yield strength and toughness has been a growing interest to the pipeline industry in the continuous efforts to further raise pipeline safety and efficiency. It can complement or substitute alternate techniques such as material extraction or hydrostatic pressure tests. This work is the first use of the Hardness, Strength, and Ductility (HSD) Tester by PRCI to measure the equivalent of the API 5L yield strength from only testing the out-side diameter surface of pipe joints without significant material removal. The procedure explicitly account for
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Wada, Y., R. Ishigaki, Y. Tanaka, and K. Ohnishi. DTRS-3878-HEELAS Hydrogen Environment Embrittlement of Low Alloy Steel at Room Temperature. Pipeline Research Council International, Inc. (PRCI), 1998. http://dx.doi.org/10.55274/r0011860.

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To verify the safety application and use of Cr-Mo steel for the high-pressure hydrogen equipment, tensile, fatigue, and crack growth tests of JIS-G4105-1979 SCM435 and 440 steel under 45MPa high-pressure hydrogen at room temperature were conducted. There were no significant differences in tensile deformation behaviors between the air environment and 45MPa hydrogen until the maximum load point. However, the hydrogen tested specimen broke with less ductility accompanied by many surface crack on the specimen surface which is caused by the specimen machining. The scatter of ductility was observed
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Mahmoud, Hussam, Emad Hassan, and Guillermo Riveros. Experimental evaluation of steel beams with mechanical section reduction retrofitted with fiber polymers. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/49188.

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Steel elements working in a harsh environment can be exposed to corrosion that degrades their performance and threatens the integrity of the whole structure. Recent studies propose using carbon (CFRP) and basalt (BFRP) fiber–reinforced polymers to repair corroded steel cross sections; however, most of these studies have not explored many of the structural characteristics, including ductility. In this study, we conduct a series of full-scale experimental tests to investigate the impact of corrosion, represented as mechanical section reduction, on steel beams as well as the impact of repairing t
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Williams. NR198603 Notched Tensile Test Procedure for Evaluating the Ductility of Seam Welds in ERW Pipe. Pipeline Research Council International, Inc. (PRCI), 1986. http://dx.doi.org/10.55274/r0011230.

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Although current manufacturing methods result in highly reliable welds in ERW pipe, occasional small bond line defects, difficult to detect with present nondestructive test techniques, still are found. The development of improved inspection techniques to permit the detection of such small defects is a difficult undertaking. An Alternative approach toward increasing the reliability of ERW pipe is to insure that the weld region is able to tolerate the presence of any undetected defects without failure, that is, to insure that the weld has adequate ductility. Studies were conducted to determine w
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Gill. L51675 Effects of Weldment Property Variations on the Behavior of Line Pipe. Pipeline Research Council International, Inc. (PRCI), 1993. http://dx.doi.org/10.55274/r0010133.

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A steel weldment is a composite of zones or layers of different microstructures that possess different material properties. The zones include the base metal (or the sections of pipe), the weld metal, and a complex heat-affected zone (HAZ) of base metal that has been exposed to a variety of thermal cycles resulting in varying microstructures. The material properties of primary concern with respect to the mechanical behavior of the pipe are the stress-strain response (the constitutive properties) and the resistance to initiation and propagation of cracks or tears in the presence of a crack, notc
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Machute, Ana, Lucas Tamele Jr., Arão Manhique, Afonso Macheca, and Hermínio Muiambo. Effect of jatropha curcas oil on the thermorheological properties of asphalt binder modified with recycled HDPE. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.ss.cep.1.

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The application of bio-oils in asphalt and polymer-modified asphalt (PMA), has recently received considerable attention as a pivotal method for enhancing the high-temperature performance of asphalt mixtures while maintaining good binder’s workability. In this study, Jatropha curcas oil (JCO) was selected and evaluated as an PMA modifier. JCO-rHDPE-modified bio-asphalt was prepared with different JCO contents: 1, 3, and 5 wt.%. Physical tests (penetration, softening point, and ductility), rheological tests (dynamic viscosity and rolling thin-film oven test–RTFOT), and thermogravimetric analysis
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Huang, Cihang, Yen-Fang Su, and Na Lu. Self-Healing Cementitious Composites (SHCC) with Ultrahigh Ductility for Pavement and Bridge Construction. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317403.

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Cracks and their formations in concrete structures have been a common and long-lived problem, mainly due to the intrinsic brittleness of the concrete. Concrete structures, such as rigid pavement and bridge decks, are prone to deformations and deteriorations caused by shrinkage, temperature fluctuation, and traffic load, which can affect their service life. Rehabilitation of concrete structures is expensive and challenging—not only from maintenance viewpoints but also because they cannot be used for services during maintenance. It is critical to significantly improve the ductility of concrete t
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Wilkowski, Gery. PR-276-184501-R01 Toughness Specification to Avoid Brittle Fracture in New Linepipe Steels. Pipeline Research Council International, Inc. (PRCI), 2020. http://dx.doi.org/10.55274/r0011658.

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Historically, Charpy test results have been used for assessing linepipe steels for fitness-for-service or new pipeline design, and the linepipe steels should be chosen such that the brittle-to-ductile transition temperature of the steel is below the minimum design service temperature. The transition temperature is typically much different for crack initiation versus crack propagation. This study focused on the transition temperature for fracture initiation which is important for liquid as well as high-energy lines. However, in recent studies, different behavior between vintage and newer steels
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Parkins. L51806 Effects of Hydrogen on Low-pH Stress Corrosion Crack Growth. Pipeline Research Council International, Inc. (PRCI), 1998. http://dx.doi.org/10.55274/r0010142.

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There is circumstantial evidence of hydrogen playing a role in, so called, low pH SCC of pipeline steel, but direct evidence for such is lacking. Resolution of this situation is of practical importance because of its implications for modeling. Thus, existing models for high pH SCC of pipelines are based upon a dissolution controlled mechanism of crack growth, but such models will not be applicable to low pH SCC if hydrogen is involved with the latter. Measurements have been made of the permeation of hydrogen into X52 and X60 pipeline steels at various potetials while exposed to a simulated gro
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Ragalwar, Ketan, William Heard, Brett Williams, Dhanendra Kumar, and Ravi Ranade. On enhancing the mechanical behavior of ultra-high performance concrete through multi-scale fiber reinforcement. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41940.

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Steel fibers are typically used in ultra-high performance concretes (UHPC) to impart flexural ductility and increase fracture toughness. However, the mechanical properties of the steel fibers are underutilized in UHPC, as evidenced by the fact that most of the steel fibers pull out of a UHPC matrix largely undamaged during tensile or flexural tests. This research aims to improve the bond between steel fibers and a UHPC matrix by using steel wool. The underlying mechanism for fiber-matrix bond improvement is the reinforcement of the matrix tunnel, surrounding the steel fibers, by steel wool. Si
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