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Relevant bibliographies by topics / Charpy impact test

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Academic literature on the topic 'Charpy impact test'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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Journal articles on the topic "Charpy impact test"

1

KOBAYASHI, Toshiro. "Progress in the Instrumented Charpy Impact Test." Journal of the Society of Materials Science, Japan 51, no. 9Appendix (2002): 141–50. http://dx.doi.org/10.2472/jsms.51.9appendix_141.

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Rossoll, A., C. Berdin, P. Forget, C. Prioul, and B. Marini. "Mechanical aspects of the Charpy impact test." Nuclear Engineering and Design 188, no. 2 (1999): 217–29. http://dx.doi.org/10.1016/s0029-5493(99)00017-5.

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Takashima, Yasuhito, Tsunehisa Handa, and Fumiyoshi Minami. "Three-Dimensional Dynamic Explicit Finite Element Analysis of Charpy Impact Test." Materials Science Forum 879 (November 2016): 1905–10. http://dx.doi.org/10.4028/www.scientific.net/msf.879.1905.

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Dynamic explicit finite element (FE) analysis of the Charpy impact test was conducted in this study to investigate the inertial effect on the stress field ahead of the V-notch in a Charpy specimen. The deformation behavior of the Charpy specimen and the constraint effect on the stress field in the plastic zone near the V-notch were numerically simulated using three-dimensional FE analysis, while considering the contact of the specimen with the striker and anvil. The effect of the strain rate on the flow stress and the increase in temperature during impact loading were included in the dynamic a

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Zainuddin, Hikmah, Mohd Basri Ali, Kamarul Ariffin Zakaria, Lailatul Harina Paijan, Mohd Fauzi Mamat, and Mohd Hadzley Abu Bakar. "Investigation of Impact Properties under Instrumented Charpy Test." Journal of Engineering and Technological Sciences 56, no. 3 (2024): 329–39. http://dx.doi.org/10.5614/j.eng.technol.sci.2024.56.3.2.

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The Instrumented Charpy impact test is a promising method for determining a material’s impact response. Stainless steel has higher impact energy absorption capacity, high tensile, and yield strength compared to aluminum. Performance varies among grades; for instance, Aluminum 7075-T6 exceeds Aluminum 6061-T6 in tensile and yield strength. However, information regarding their energy capacity and impact signal pattern is lacking. This study investigated the impact properties using a Charpy machine, a data acquisition system, and a sensing element. Strain gauges were used to record the impact str

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Hashemi, S. H., I. C. Howard, J. R. Yates, and R. M. Andrews. "Measurement and Analysis of Impact Test Data for X100 Pipeline Steel." Applied Mechanics and Materials 3-4 (August 2006): 369–76. http://dx.doi.org/10.4028/www.scientific.net/amm.3-4.369.

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Charpy upper shelf energy is widely used as a fracture controlling parameter to estimate the crack arrest/propagation performance of gas transportation pipeline steels. The measurement of this fracture criterion particularly for modern steels and its apportion into different components, i.e. fracture and non-related fracture energy, are of great importance for pipeline engineers. This paper presents the results of instrumented Charpy impact experiments on high-grade pipeline steel of grade X100. First, the instrumentation technique including the design and implementation of a strain gauge load

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Morita, Shigeki, and Toshiro Kobayashi. "Ductile-Brittle Transition Behaviors with Two Striker Geometries in the Instrumented Charpy Impact Test." Materials Science Forum 449-452 (March 2004): 861–64. http://dx.doi.org/10.4028/www.scientific.net/msf.449-452.861.

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Instrumented Charpy impact test method is possible to obtain various dynamic fracture characteristics from the load-deflection or load-time curve. Recently, instrumented Charpy impact test method is widely used for the evaluation of toughness of various specimens of different materials with different sizes. It is important to record an accurate impact load in order to improve the reliability of this test method. In some standards of instrumented Charpy impact test method such as ISO and ASTM, they haven.t clearly standardized striker geometry which seem to directly influence the obtained impac

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TAKASHIMA, Yasuhito. "Efforts in Dynamic Analysis for Charpy Impact Test." Journal of the Society of Materials Science, Japan 67, no. 6 (2018): 660. http://dx.doi.org/10.2472/jsms.67.660.

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Ghaith, Fadi A. "Nonlinear Finite Element Modeling of Charpy Impact Test." Advanced Materials Research 83-86 (December 2009): 182–89. http://dx.doi.org/10.4028/www.scientific.net/amr.83-86.182.

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Finite element modeling of Charpy impact test was performed for a normalized carbon steel specimen based on plane strain geometry and bilinear isotropic hardening plasticity. As the suggested approach takes into account all aspects of nonlinearity such as geometric, material and contact nonlinearities, it may describe the conventional destructive impact test accurately with much less effort and cost. A failure criterion is assumed to be at 10 % of plastic strain based on the tensile experiment data. Impact energy was estimated at different testing temperatures. It was found that impact energy

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Musteață, A. E., C. Pirvu, L. Deleanu, and C. Georgescu. "Simulation of Charpy test for different impact velocities." IOP Conference Series: Materials Science and Engineering 514 (June 26, 2019): 012011. http://dx.doi.org/10.1088/1757-899x/514/1/012011.

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Takebayashi, Shigeto, Kohsaku Ushioda, Naoki Yoshinaga, and Shigenobu Ogata. "Impact Toughness of 0.3 Mass% Carbon Tempered Martensitic Steels Evaluated by Instrumented Charpy Test." Materials Science Forum 783-786 (May 2014): 1033–38. http://dx.doi.org/10.4028/www.scientific.net/msf.783-786.1033.

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The effect of tempering temperature on the impact toughness of 0.3 mass% carbon martensitic steels with prior austenite grain (PAG) size of about 6 μm and 30 μm were investigated. Instrumented Charpy impact test (ICIT) method was used to evaluate the impact toughness. The tempering temperature of 723K gives the largest difference in the Charpy impact energy at room temperature (RT) between the specimens with two different PAG sizes. Investigation of the test temperature dependence of Charpy impact energy in the 723K tempered steels shows a steep transition at around 200 K for the 6 μm PAG spec

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Dissertations / Theses on the topic "Charpy impact test"

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Stevens, Ward C. "Factors affecting the validity and accuracy of instrumental impact tests with special reference to the pendulum and drop tower versions of the charpy test /." Full text open access at:, 1987. http://content.ohsu.edu/u?/etd,152.

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Dutton, Andrew Geoffrey. "The determination of dynamic initiation fracture toughness of metals using the Hopkinson pressure bar loaded instrumented Charpy test." Thesis, University of Liverpool, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280841.

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Tamminen, S. (Satu). "Modelling the rejection probability of a quality test consisting of multiple measurements." Doctoral thesis, Oulun yliopisto, 2014. http://urn.fi/urn:isbn:9789526205205.

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Abstract Quality control is an essential part of manufacturing, and the different properties of the products can be tested with standardized methods. If the decision of qualification is based on only one test specimen representing a batch of products, the testing procedure is quite straightforward. However, when the measured property has a high variability within the product, as usual, several test specimens are needed for the quality verification. When a quality property is predicted, the response value of the model that most effectively finds the critical observations should naturally be sel

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Weiss, Jiří. "Fyzikální stárnutí polypropylénu." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2011. http://www.nusl.cz/ntk/nusl-216694.

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Physical aging of commercially produced polypropylene homopolymers Mosten was studied. The work is focused on monitoring the changes in physical properties of polymer in the time period 90 days from the date of preparation of the test specimen. The aging of polymers was realized at storage temperatures of 23 and 80 °C. The changes in crystallinity, yield strength, modulus, elongation and impact strength using DSC method, tensile tests and impact tests according to Charpy were monitored. Molecular weight distribution was determined by means of GPC at each polymer. Relationships between the chan

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Li, Xuan. "Hydrogen Effects on X80 Steel Mechanical Properties Measured by Tensile and Impact Testing." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6110.

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The effect of hydrogen charging current density and tensile strain rate on the mechanical properties of X80 pipeline steel were investigated by slow strain rate test (SSRT), Charpy impact test, and scanning electron microscopy (SEM) in this thesis. The results show that both the ultimate tensile strength and elongation to failure of X80 steel were deteriorated significantly after charging with hydrogen. With a strain rate of 5 x 10-5 s-1, the relative tensile strength and plasticity loss of X80 steel had no significant change within the range of assumed hydrogen partial pressures at room tempe

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Suchánek, Matěj. "Vliv parametrů MuCell technologie na mechanické vlastnosti polymerů pro vstřikování." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378395.

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This master’s thesis deals with influence of gas content in structure of polymer materials to mechanical properties. Test specimens were prepared by MuCell technology from polyphthalamide reinforced by 50 % of glass fiber content. The theorethical part of this thesis is focused on polymer materials with attention to polyamides and injection moulding technology. In the experimental part, the dependence between the characteristics obtained from the tensile test and the Charpy impact test on the amount of gas in the polymer is examined.

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Kolářová, Eva. "Vliv přídavku vícesměrně orientované výztuže na mechanické vlastnosti materiálu pro přípravu celkově snímatelných náhrad." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2014. http://www.nusl.cz/ntk/nusl-217087.

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Tato Diplomová práce se zabývá vlivem vyztužení na mechanické vlastnosti materiálu pro přípravu snímatelných náhrad. Pro testování byly použity tři sady vzorků: PMMA pryskyřice, PMMA pryskyřice s Dentapreg Mesh výztuží a PMMA pryskyřice vyztužena zesilující síťkou z nerezové oceli.Pro měření chování vzorků při statickém a dynamickém namáhání byl použit třibodový ohybový test a Charpy rázové kladivo. Viskoelastické vlastnostzi byly měřeny dynamicko-mechanickou analýzou (DMA). Skenovací elektronová mikroskopie (SEM) byla použita k charakterizaci lomových ploch. Během statického namáhání vzorků v

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Haskel, Hudison Loch. "Avaliação da tenacidade à fratura e do efeito da microtextura e mesotextura na curva de transição dúctil frágil do aço API 5L X70." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2013. http://tede2.uepg.br/jspui/handle/prefix/1426.

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Made available in DSpace on 2017-07-21T20:42:39Z (GMT). No. of bitstreams: 1 Hudison.pdf: 7678712 bytes, checksum: 77d524c573ba60402f77fbda4e17c5e9 (MD5) Previous issue date: 2013-03-25<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>In the present study was investigated the API 5L X70 steel mechanical behavior through tensile and instrumented impact tests. Results from the instrumented Charpy impact test have allowed quantify the forces, energies and deflections of the specimens. It was used to obtain the fracture mechanics parameters such as the dynamic fracture toughness

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Dickson, Steven B. "An Investigation of Friction Stir Welding Parameter Effects on Post Weld Mechanical Properties in 7075 AA." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/5672.

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The effects of weld temperature, travel speed, and backing plate thermal diffusivity on themechanical properties of a weld have been studied. A face centered cubic experiment of designwas completed in which the response variables were yield strength, minimum hardness in the HAZ, and charpy impact toughness. Three models were created from the data gathered usinga stepwise regression in order to see the effects of each parameter. For the yield strength andminimum hardness it was found that only travel speed and backing plate thermal diffusivities werestatistically significant to the properties.

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Gregui, Ricardo Gratão. "Tenacidade à fratura dinâmica de ligas de titânio (Ti6AI4V) e de aço inoxidável (PH15-5)." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/18/18135/tde-17022016-122311/.

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O presente trabalho visou determinar a tenacidade à fratura dinâmica, KID, primeiramente pelos conceitos da Mecânica da Fratura Elástica Linear (MFEL) e posteriormente pela Mecânica da Fratura Elasto-Plástica (MFEP), JID, em materiais que em operação podem estar sujeitos a impactos em diferentes temperaturas. Os materiais estudados, de uso na indústria aeronáutica, foram uma liga de titânio Ti6Al4V (norma SAE AMS 4911), na condição recozida e uma liga de aço inoxidável PH 15-5 (norma SAE AMS 5659), na condição H1000. Os corpos de prova pré-trincados e entalhados foram retirados nas orientações

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Books on the topic "Charpy impact test"

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Holt, JM, ed. Charpy Impact Test: Factors and Variables. ASTM International, 1990. http://dx.doi.org/10.1520/stp1072-eb.

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M, Holt John, American Society for Testing and Materials. Committee E-28 on Mechanical Testing., and Symposium on Charpy Impact Test: Factors and Variables (1989 : Lake Buena Vista, Fla.), eds. Charpy impact test: Factors and variables. ASTM, 1990.

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Holt, John M. Charpy Impact Test: Factors and Variables (Astm Special Technical Publication// Stp). Astm Intl, 1990.

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Hargreaves, Ian. 3. The first casualty: journalists at war. Oxford University Press, 2014. http://dx.doi.org/10.1093/actrade/9780199686872.003.0004.

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It was in the ‘Balkan wars’ of the 1990s that the news media and the military started to understand the extent to which digital media were reshaping the craft of war reporting. Journalists were now able to report from behind enemy lines. War has always delivered the most severe test to journalistic independence. What are the challenges to journalists reporting news in a war situation? How objective can they be? ‘The first casualty: journalists at war’ charts the impact of the digital era on war reporting in Iraq and Afghanistan, and the rise of the Arabic television channel Al Jazeera.

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Shedler, Jonathan. Automated Mental Health Assessment for Integrated Care. Edited by Robert E. Feinstein, Joseph V. Connelly, and Marilyn S. Feinstein. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190276201.003.0010.

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Mental health conditions are prevalent in primary care and general medical settings. Health care policy organizations recommend routine mental health screening, but the screening tools most often used in medical settings do not meet medical providers’ clinical needs and have had little impact on patient outcomes. The Quick PsychoDiagnostics Panel (QPD Panel) is a computerized, fully automated mental health assessment test designed to meet the specific real-world needs of busy medical providers. It screens for 11 common mental health conditions and provides actionable information for treatment

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Denton Jr., Robert E., ed. Political Communication Ethics. Greenwood Publishing Group, Inc., 2000. http://dx.doi.org/10.5040/9798216186731.

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This essay collection examines ethical concerns related to the traditional areas of political communication, including campaigns, media, discourse, and advertising, as well as new technologies, including the Internet. In total, the collection provides one of the few volumes to examine political ethics from an academic perspective rather than from a moralistic or rule orientation. Bruce Gronbeck provides an assessment of presidential campaigns, arguing that ethical judgments of citizens are based on candidates' actions and motives, character, and competence. Ronald Lee explores the ethics of ca

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Hammond, Marlé. The Tale of al-Barrāq Son of Rawḥān and Laylā the Chaste. British Academy, 2020. http://dx.doi.org/10.5871/bacad/9780197266687.001.0001.

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This book is a bilingual edition and study of a lengthy specimen of pre-modern Arabic storytelling. The tale’s origins are unknown but it probably dates from the seventeenth century. As a sustained fairy tale of the knight-in-shining-armour-rescues-damsel-in-distress variety, it reads as fiction and was probably intended as such. However, scholars in the Arab renaissance or Nahḍa received the text as history. Its pre-Islamic protagonists, ever emoting in verse, were thus celebrated as some of the earliest Arabic poets. The Arabic text featured in the monograph is sourced from five manuscripts

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Reinhartz, Adele, ed. Gospel of John and Jewish–Christian Relations. The Rowman & Littlefield Publishing Group, Inc., 2018. https://doi.org/10.5040/9781978720275.

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The Fourth Gospel is at the same time a sublime work that has inspired and enriched the faith of countless Christians and a problematic text that has provided potent anti-Jewish imagery exploited in anti-Jewish and anti-Semitic discourse over the course of two millennia. The Fourth Gospel contains approximately 70 references to hoi ioudaioi, a designation most often (and best) translated as “the Jews.” Several of these references are neutral or descriptive, referring to Jewish festivals or specific practices, and some depict individual Jews or Jewish groups as interested in Jesus’ message. The

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Szczepaniak-Gillece, Jocelyn. The Optical Vacuum. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190689353.001.0001.

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Between the 1920s and the 1960s, American mainstream cinematic architecture underwent a seismic shift. From the massive urban movie palace to the intimate streamlined theater, movie theaters became “neutralized” spaces for calibrated, immersive watching. Leading this charge was New York architect Benjamin Schlanger, a fiery polemicist whose designs and essays reshaped how movies were watched. This book examines the impact of Schlanger’s work in the context of changing patterns of spectatorship; his theaters and writing propose that the essence of film viewing lies not only in the text, but in

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Thompson, Andrew, ed. The Oxford History of Protestant Dissenting Traditions, Volume II. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198702245.001.0001.

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This volume charts the development of protestant Dissent between the passing of the Toleration Act (1689) and the repealing of the Test and Corporation Acts (1828). The long eighteenth century was a period in which Dissenters slowly moved from a position of being a persecuted minority to achieving a degree of acceptance and, eventually, full political rights. The first part of the volume considers the history of various Dissenting traditions inside England. There are separate chapters devoted to Presbyterians, Congregationalists, Baptists, and Quakers—the denominations that traced their histor

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Book chapters on the topic "Charpy impact test"

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Gooch, Jan W. "Charpy Impact Test." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_2226.

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Matlack, Kathryn H., Jin-Yeon Kim, James J. Wall, Jianmin Qu, and Laurence J. Jacobs. "Nonlinear Ultrasonic Characterization of Radiation Damage Using Charpy Impact Specimen." In Small Specimen Test Techniques: 6th Volume. ASTM International, 2014. http://dx.doi.org/10.1520/stp157620140007.

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Haušild, Petr, Clotilde Berdin, and Andreas Rossoll. "Modelling of the Charpy Impact Test in the DBTT Range." In Materials Science Forum. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-964-4.331.

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Jamil, A., H. Tamura, H. Katsuchi, and C. He. "Analytical evaluation of DBTT in Charpy impact test for structural steels." In Bridge Maintenance, Safety, Management, Digitalization and Sustainability. CRC Press, 2024. http://dx.doi.org/10.1201/9781003483755-436.

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Lucon, E., C. N. McCowan, R. L. Santoyo, and J. D. Splett. "Certified KLST Miniaturized Charpy Specimens for the Indirect Verification of Small-Scale Impact Machines." In Small Specimen Test Techniques: 6th Volume. ASTM International, 2015. http://dx.doi.org/10.1520/stp157620140003.

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Gunturi, Chaitanya, Juan P. Escobedo, and M. A. Islam. "Comparative Analysis of Dynamic Impact Tests Between the Charpy V-Notch Test and the Drop Tower Test." In The Minerals, Metals & Materials Series. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05749-7_55.

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Murayama, Norimitsu, Shuji Sakaguchi, and Fumihiro Wakai. "Evaluation of Impact Fracture Properties at Elevated Temperatures by Instrumented Charpy Test." In Sintering ’87. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1373-8_145.

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Nakajima, H., K. Yoshida, H. Tsuji, et al. "The Charpy Impact Test as an Evaluation of 4 K Fracture Toughness." In Materials. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4757-9050-4_26.

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Chentsova, Iuliia S., Vladimir V. Tolmachev, and Anastasia A. Zabelina. "Estimation of Uncertainty in Charpy Pendulum Impact Test Using the Reference Material." In Reference Materials in Measurement and Technology. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-49200-6_27.

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de Almeida Machado, José Gustavo, Juliana Peixoto Rufino Gazem de Carvalho, Anna Carolina Cerqueira Neves, Felipe Perissé Duarte Lopes, Sérgio Neves Monteiro, and Carlos Mauricio Fontes Vieira. "Charpy Impact Test of Polymer Composites with Epoxy Resin Reinforced Jute Fabric." In Green Materials Engineering. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-10383-5_23.

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Conference papers on the topic "Charpy impact test"

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Liou, Horng-Yih, Shyi-Chin Wang, and Rong-Iuan Hsieh. "The Influence of Microstructure on the Hydrogen Embrittlement in a Low Carbon Steel." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94224.

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Abstract A low carbon steel was heat-treated by various processes, so that different microstructures including ferrite + pearlite, bainite, bainite + martensite, martensite, and temper martensite were obtained. These heat-treated specimens were used to evaluate the hydrogen embrittlement characteristics by HIC immersion test and Charpy impact test. The results indicated that hydrogen cracking in the as-received specimen is the worst and the air cooling, oil cooling and high temperature tempered specimens have the better HIC resistance. These results demonstrated that the pearlite band structur

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Ma, Qiu Rong. "1219mm X90 Gas Pipeline Fracture Propagation and Crack Arrest Full Scale Test." In 12th Annual International Conference on Material Science and Engineering. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-8xldtn.

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Modern pipeline steel has high toughness and ductility, which can effectively prevent long-distance crack propagation. The full-scale blasting test is the most effective method to verify and evaluate the crack propagation and arrest behavior in high-grade pipeline steel pipes. This article investigates the crack propagation and crack arrest behavior of X90 grade natural gas pipeline steel pipes through full-scale blasting tests. The test results show that once the X90 grade natural gas pipeline steel pipe cracks and propagation under a pressure of 12MPa, as long as the Charpy impact toughness

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Yang, Qiang, Chun Yu Bai, and Bin Wen Wang. "Evolution Mechanism of Three-Point Bending Impact Fatigue Damage in Ultra-High Strength Steel 23Co14Ni12Cr3MoE Material." In The 12th International Conference on Fracture Fatigue and Wear. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-3eo2at.

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Carrier-based aircraft takeoff and landing devices endure repeated high-speed, high-energy, and high-load impacts during operation. This repeated impact results in fatigue damage, a primary cause of failure in these devices, commonly known as impact fatigue. To address multiple impact fatigue failures in the takeoff and landing process of carrier-based aircraft, an investigation into the three-point bending impact fatigue characteristics of ultra-high-strength steel 23Co14Ni12Cr3MoE (abbreviated as A100 material) was conducted using experimental and microscopic techniques. A reproducible impac

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Weltschev, Margit, and Friederike Deuerler. "Comparison of the Notched Impact Strength at -30°C of Polyethylene Grades with the Test Performance Behavior of Packagings for the Transport of Dangerous Goods." In CORROSION 2011. NACE International, 2011. https://doi.org/10.5006/c2011-11373.

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Abstract The notched impact strength at -30 °C is one of the selected properties, together with the corresponding test method and tolerances, for a comparison of polyethylene grades of one design type in the procedural rule on suitability proof for alternative plastic resins used for packagings and intermediate bulk containers (IBCs) for the transport of dangerous goods. The marginal drop heights determined with the drop test at -18 °C after pre-storage of the test samples with 55 % nitric acid at 40 °C only partly related to the notched impact strength at -30 °C. The Charpy method is only sui

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Jaske, C. E., Z. Berg, and T. Andress. "Toughness Evaluation of Welds in 9Cr-1Mo-V and 9Cr-0.5Mo-V Steels Made Using the Flux-Cored Arc Welding (FCAW) Process." In AM-EPRI 2010, edited by D. Gandy, J. Shingledecker, and R. Viswanathan. ASM International, 2010. http://dx.doi.org/10.31399/asm.cp.am-epri-2010p1014.

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Abstract The toughness of girth welds in 9Cr-1Mo-V and 9Cr-0.5Mo-V steel seamless pipe (ASME SA-335 Grades P91 and P92, respectively) made using the flux-cored arc welding (FCAW) process was evaluated. Electrodes from two different suppliers were used for production quality welding of each steel. The welds received post-weld heat-treatment (PWHT) in accordance with the requirements of the ASME Code. The objective of the work was to determine if the fracture toughness of the FCAW welds was acceptable for high-temperature steam piping. Toughness was measured using standard sized Charpy V-notch i

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Ricci, Andrea, William McDonnell, Thomas Williams, and Anthony Collins. "Alternative Sensitization Test Method for Austenitic Stainless Steels Used as Non-Magnetic Drill Collars." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-14830.

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Abstract Austenitic stainless steels for non-magnetic drill collars (NMDC) may be susceptible to precipitation of Cr-rich phases at grain-boundaries during the necessary thermo-mechanical processing. This condition, known as sensitization, is detrimental to resistance to localized corrosion, stress-corrosion cracking and corrosion fatigue. API Specification 7-1 requires testing these materials for sensitization according to ASTM A262 Practice E. However, Practice E is considered incapable of discriminating sensitized microstructures in some NMDC grades. This led some users to rely on Practice

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Daigo, Yuzo, Yutaka Watanabe, Katsuo Sugahara, and Takeshi Isobe. "Compatibility of Ni Base Alloys with Supercritical Water Applications: Aging Effects on Corrosion Resistance and Mechanical Properties." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04487.

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Abstract Nickel base corrosion resistant alloys are thought to be strong candidates as a structural material for chemical processes using supercritical water (SCW). In recent years, Cr was considered as the most important alloying element to improve corrosion resistance in supercritical water. However, high Cr content can cause phase transformation in Ni base alloys due to poor phase stability at elevated temperatures for SCW processes from 400°C up to 650°C. The change in micro structure of the alloy can lead to degradation in corrosion resistance and mechanical properties. In this study, the

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Hau, Jorge, Antonio Seijas, Tim Munsterman, and Anelsy Mayorga. "Evaluation of Aging Equipment for Continued Service." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05558.

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Abstract Several independent cases are described to illustrate the approach used for the analysis and evaluation of aging equipment for continued service, in the petroleum refining and chemical process industry. In all cases described, the results were obtained by testing and metallurgically evaluating small samples extracted from the equipment. Charpy impact testing was performed to determine impact test properties as a function of temperature, in one case to verify compliance with requirements and in the other case, as part of a temper embrittlement assessment. Fracture toughness Crack-Tip O

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Zhang, Fan. "Transition Curve Fitting of Charpy Test." In 2024 15th International Pipeline Conference. American Society of Mechanical Engineers, 2024. https://doi.org/10.1115/ipc2024-121395.

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Abstract The Charpy V-notch (CVN) impact test is a typical method used to evaluate steel pipe toughness and resistance to fracture propagation. The CVN tests are generally conducted at multiple temperatures in order to capture the transition from the brittle regime with low impact energy to the ductile regime with higher impact energy. This transition behavior is represented by the variation with temperature in either measured impact energy or observed shear area percentage at the fracture cross section. Transition curves fitted from raw test data are used to derive key parameters, such as upp

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Zhang, Fan, and Michael J. Rosenfeld. "Update of Line Pipe Charpy Test Interpretation." In 2022 14th International Pipeline Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/ipc2022-86753.

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Abstract The Charpy V-notch (CVN) impact test has been widely used by operators and pipe mills to measure steel pipe resistance to fracture propagation. The tests are generally conducted at multiple temperatures to capture the transition from low impact energy nonductile regime to the high impact energy ductile regime. Due to the limitation of wall thickness and curvature of the pipe cross section, the CVN test for thin-walled line pipe generally can only be conducted with reduced size CVN coupons. The reduced size CVN coupon both decreases the measured impact energy and lowers the apparent tr

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Reports on the topic "Charpy impact test"

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Cannon, N., W. Hu, and D. Gelles. Charpy impact test results for low-activation ferritic alloys. Office of Scientific and Technical Information (OSTI), 1987. http://dx.doi.org/10.2172/6806112.

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Wilkowski, Gery. PR-276-223814-R01 Pragmatic Application of MegaRule RIN 1 - 192.712 Toughness Values. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000057.

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This project addresses pragmatic application of the new DOT/PHMSA MegaRule RIN 1 - 192.712 for recommended toughness values for determining if an axial flaw needs repair or can instead be observed for any future growth. The MegaRule toughness is expressed as the Charpy energy value, which came from Charpy test data at 50F. However, the fracture toughness of a surface-cracked pipe is quite different than Charpy impact toughness values, especially if the Charpy data is in the transition region. In this project, it was shown from past axial surface-cracked pipe tests that the lowest temperature f

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Schubert, L. E., M. L. Hamilton, and D. S. Gelles. Charpy impact test results for low activation ferritic alloys irradiated to 30 dpa. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/270439.

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Wilkowski, Gery, and Ken Bagnoli. PR-276-223814-R02 Pragmatic Application of MegaRule RIN 1-192.712 Toughness Values L2 and L3 Procedures. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000081.

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This project addresses pragmatic application of the new DOT/PHMSA MegaRule RIN 1 - 192.712 for recommended toughness values for determining if an ILI detected axial flaw needs repair or can instead be observed for any future growth. The MegaRule toughness is expressed as the Charpy energy value, which came from Charpy test data at 50�F. However, the fracture toughness of a surface-cracked pipe is quite different than Charpy impact toughness values, especially if the Charpy data is in the brittle-to-ductile transition region. The surface-cracked pipe burst-pressure transition temperature can be

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Schubert, L. E., M. L. Hamilton, and D. S. Gelles. Charpy impact test results of four low activation ferritic alloys irradiated at 370{degrees}C to 15 DPA. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/414869.

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Schubert, L. E., M. L. Hamilton, and D. S. Gelles. Further Charpy impact test results of low activation ferritic alloys, irradiated at 430{degrees}C to 67 dpa. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/543288.

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Krishnaswamy and Wilkowski. L51474 Brittle Fracture Initiation of Heavy-Wall Components. Pipeline Research Council International, Inc. (PRCI), 1985. http://dx.doi.org/10.55274/r0010225.

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Pipeline valve bodies, fittings, flanges, and numerous other components are typically made of cast or forged low-alloy steels. The large wall thicknesses necessitated by the complex shapes of these components usually are not conducive to ductile fracture behavior. Nevertheless, there is a distinct need to have sufficient toughness in such components so that they will not be susceptible to catastrophic failure from defects that may remain after manufacturing and hydrostatic testing. The present practice for controlling toughness in such components consists of specifying arbitrary values of Char

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Lucon, Enrico, and Nik W. Hrabe. Instrumented impact tests on miniaturized Charpy specimens of additively manufactured (AM) Ti6Al4V. National Institute of Standards and Technology, 2016. http://dx.doi.org/10.6028/nist.tn.1936.

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Veer, J. van der, and J. van Wortel. L51758 Non-Destructive Assurance of Quality of Heat-Treated Fittings. Pipeline Research Council International, Inc. (PRCI), 1997. http://dx.doi.org/10.55274/r0010338.

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Sometimes heat treated components fail to pass the specified minimum mechanical requirements (yield strength, Charpy V-notch toughness). The influence of the complete heat cycle on the end results is not well understood and without a N.D.T. method for determining these properties the pipeline companies have difficulty in determining acceptable and non-acceptable individual components. In the quality control process for heat treated components, it is important to have a non-destructive testing technique available for predicting the yield strength and, if necessary, Charpy V-notch properties. In

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Jia, Dan, and Yong-Yi Wang. PR-350-144501-R04 Characterization of Mechanical Properties of Vintage Girth Welds. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011635.

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The data generated in this project, in conjunction with the assessment procedures developed under PRCI project SIA-1-7, fill critical gaps in predicting the behavior of vintage girth welds. Cost-effective maintenance decisions can be made when integrity assessment can be performed with high confidence. This report covers the work done over four PRCI funding years. The material property data and flaw characteristics from 19 girth welds for Pipe and Weld Tensile Strengths and Weld Strength Mismatch, Charpy Impact Energy,Flaw Characteristics as Reported by NDE, Observations about NDE, and Perform

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