Academic literature on the topic 'Non-Standard bending test'

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Journal articles on the topic "Non-Standard bending test"

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Liu, Chao, Ning Ding, Jingsong Duan, et al. "Precise mathematical model for the ratchet tooth root bending stress." Mechanical Sciences 12, no. 2 (2021): 1105–13. http://dx.doi.org/10.5194/ms-12-1105-2021.

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Abstract. A ratchet is an essential component of the ratchet pawl mechanism. But the traditional ratchet strength check method has certain limitations in the design process. In this paper, the stress analysis of the ratchet is discussed and a precision mathematical model for the ratchet tooth root bending stress is proposed for the first time. This model was established by the folded section and defined by the incision effect theory. To test the prediction ability of the proposed mathematical model, the maximum stress of three standard ratchets and one non-standard ratchet were analyzed by the
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Kalia, Ajit, Juhi Joshi, Mohammed Mandsaurwala, Sayali Bobade, and Azmat Azha Khan. "Esthetic nickel titanium wires– Do they deliver the same force?" IP Indian Journal of Orthodontics and Dentofacial Research 8, no. 4 (2022): 260–66. http://dx.doi.org/10.18231/j.ijodr.2022.045.

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To test the difference in loading and unloading forces delivered by six coated nickel-titanium wires and their non-coated equivalents. Commercially available six coated nickel-titanium wires and their non-coated equivalents of sizes 0.016-inch diameter round and 0.016 X 0.022-inch rectangular cross-section were procured. The wires were evaluated using a three-point bending test based on the method in ISO Standard 15841. No statistically significant differences in force values were found between coated and non-coated wires, listed by deflection in three-point bending, for these specific groups.
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Cabural, Ralph Andrei S., Francis Marcus J. Garcia, Paulo Gabriel I. Rivera, et al. "Assessment of Mechanical Strength of A36 Steel with Flux Cored Arc Welding Process." Materials Science Forum 1125 (September 23, 2024): 3–9. http://dx.doi.org/10.4028/p-radj6s.

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Shielded Metal Arc Welding (SMAW) is a popular welding technology in the construction and industrial sectors due to its ease of use. Flux-cored arc welding (FCAW) has gained popularity in the construction sector and industrial settings. The Welding Procedure Specification (WPS) restricts material compatibility for FCAW due to systematic selection and qualification. Penetrant Testing exposes damage to welded specimens, ensuring they meet the standard. Non-Destructive Testing (NDT) and mechanical tests like tensile and bending tests determine the mechanical strength and weld characteristics of s
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Chai, Teck Jung, Tan Cher Siang, Tang Hing Kwong, and Koh Heng Boon. "Bending Strength of Magnesium Oxide Board." Key Engineering Materials 879 (March 2021): 169–78. http://dx.doi.org/10.4028/www.scientific.net/kem.879.169.

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Magnesium Oxide (MgO) board has been widely used in prefabricated lightweight steelframe wall systems and as the floor board covering component. It is a non-insulating sheathingboard product which consists of sustainable materials with the characteristics of fire resistance,weather-ability, strength, resistance to mold and mildew. Although MgO board has recentlyworldwide used in façade construction but the research data related to the laboratory work such asthe bending strength is still limited. The previous studies on the bending strength of MgO board arebased on various standards such as AST
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Kunecký, Jiří, Václav Sebera, Jan Tippner, et al. "Mechanical Performance and Contact Zone of Timber Joint With Oblique Faces." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 63, no. 4 (2015): 1153–59. http://dx.doi.org/10.11118/actaun201563041153.

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The goal of the work was to evaluate mechanical performance of full-scale timber beams containing scarf joint with a dowel. Work focused on standard testing using modular system to obtain effective stiffness and strength of the beams with and without the joint. The work further researched a contact zone between two timber parts of the joint – at the scarf face. This was carried out using non-destructive optical technique – digital image correlation (DIC) and newly developed algorithm. The joint was made of Norway spruce, dims. 6×0.2×0.24 m and was loaded by two modes: a) 3-point bending and b)
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Kosior-Kazberuk, Marta, and Rafał Wasilczyk. "Influence of static long-term loads and cyclic freezing/thawing on the behaviour of concrete beams reinforced with BFRP and HFRP bars." MATEC Web of Conferences 174 (2018): 04013. http://dx.doi.org/10.1051/matecconf/201817404013.

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The purpose of this study was to define the influence of static longterm loads and cyclic freezing/thawing on the deflections and cracking of concrete beams with non-metallic reinforcement. The rods made of basalt fiber reinforced polymer (BFRP) and hybrid fiber reinforced polymer (HFRP) were used as non-metallic reinforcement. Four series of single span beams were loaded with a single static force in a three-point bending test, then specimens were subjected to 150 freezing/thawing cycles in a large-size climatic chamber. The experimental test results were compared to those obtained from prior
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Susanto, Eko, Yulian Maheswara, and Akhmad Basuki Widodo. "Bending Strength of Apus Bamboo Fiber Reinforced Asphalt Composite Materials as Small Ship." BERKALA SAINSTEK 10, no. 4 (2022): 195. http://dx.doi.org/10.19184/bst.v10i4.32604.

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Bamboo is generally widely used as a material or construction material in homes. However, the use of bamboo as a raw material for shipbuilding is not yet available. To make bamboo as a material in shipbuilding, the bamboo is assembled or made into a composite to meet class standards as a material for shipbuilding. In this study, the composites used were apus bamboo fiber and asphalt. The method of making the composite uses the hand lay-up method with variations of 1 layer of reinforcement, 3 layers of reinforcement, and 5 layers of reinforcement. The dimensions of the test specimen size refer
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Vu, Ngoc-Hung, Xuan-Tan Pham, Vincent François, and Jean-Christophe Cuillière. "Inverse procedure for mechanical characterization of multi-layered non-rigid composite parts with applications to the assembly process." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 17 (2019): 6167–76. http://dx.doi.org/10.1177/0954406219861126.

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In assembly process, non-rigid parts in free-state may have different forms compared to the designed model caused by gravity load and residual stresses. For non-rigid parts made by multi-layered fiber-reinforced thermoplastic composites, this process becomes much more complex due to the nonlinear behavior of the material. This paper presented an inverse procedure for characterizing large anisotropic deformation behavior of four-layered, carbon fiber-reinforced polyphenylene sulphide, non-rigid composite parts. Mechanical responses were measured from the standard three points bending test and t
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Concli, Franco. "Numerical Study of the Impact of Shot Peening on the Tooth Root Fatigue Performances of Gears Using Critical Plane Fatigue Criteria." Applied Sciences 12, no. 16 (2022): 8245. http://dx.doi.org/10.3390/app12168245.

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Gears are one of the the most widespread mechanical components and their design is supported by standard calculation methods. Among all the possible failure modes of gears, tooth root bending is the most critical and could lead to catastrophic failures. In this regard, different surface treatments could be exploited to improve the gear strength. Among them, shot peening is the most common. The aim of this study is to evaluate the effectiveness of shot peening on improving the tooth root bending resistance. This is achieved by exploiting the Finite Element Method (FEM) in combination with advan
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DeTora, M., and K. Kraus. "Mechanical testing of 3.5 mm locking and non-locking bone plates." Veterinary and Comparative Orthopaedics and Traumatology 21, no. 04 (2008): 318–22. http://dx.doi.org/10.3415/vcot-07-04-0034.

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SummaryLocking plate technologies are being developed in order to provide the surgeon with advantages over previous bone plate systems (both locking and non-locking). Locking plate systems possess inherent biological advantages in fracture fixation by preserving the periosteal blood supply, serving as internal fixators. It is important to consider the strength of each orthopaedic implant as an important selection criterion while utilizing the reported advantages of locking plate systems to prevent catastrophic fracture failure. Mechanical testing of orthopaedic implants is a common method used
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Dissertations / Theses on the topic "Non-Standard bending test"

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Salloum, Joulia. "Comportement mécanique de Matériaux Sandwichs Innovants pour application nautique." Electronic Thesis or Diss., IMT Mines Alès, 2023. http://www.theses.fr/2023EMAL0017.

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Ce travail consiste en une étude expérimentale et numérique du comportement mécanique endommageable de matériaux composites sandwichs utilisés pour l’industrie nautique. A des fins d’éco-conception, les parements stratifiés exploitent des non tissés triaxiaux à base de basalte associés à une résine partiellement biosourcée (greenpoxy) et les mousses d’âme sont produites en PET recyclé. Au-delà de la préparation de ces matériaux par infusion sous vide et de leur caractérisation microstructurale et mécanique, le développement d’un modèle robuste capable de prévoir la réponse de ces matériaux san
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Book chapters on the topic "Non-Standard bending test"

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Baiotto Ricardo, Schwanke Rui G.L., Gerhardt Gunther J.L., Nabinger Eduardo, Viecelli Alexandre, and Missell Frank P. "Barkhausen Noise Study of Fatigue in AISI 4340 Steel." In Studies in Applied Electromagnetics and Mechanics. IOS Press, 2014. https://doi.org/10.3233/978-1-61499-354-4-256.

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The purpose of the present work is to use magnetic non-destructive evaluation techniques to examine fatigue in AISI 4340 steel, a material widely used for mechanical construction. Cylindrical test pieces were machined following the ISO 1143 standard in material which had been heat treated to give a hardness of 38 HRC. Fatigue testing was carried out in a rotating-bending machine with the ratio of minimum to maximum stress R=−1. The curve of applied stress vs. number of cycles to rupture (S/N curve) was determined, as was the fatigue limit, and the results were in good agreement with
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Sharifi Ghaderi, Javad. "Determining the Characteristics of Acoustic Emission in the Fatigue Crack Growth of Aluminum Alloy 2025 for Online Structural Monitoring." In Advances in Fatigue and Fracture Testing and Modelling [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99360.

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In the use of metals, due to industrial advances and the application of more dynamic loads, it is necessary to pay more attention to the fatigue issue. Non-destructive inspection methods are used to condition and health monitoring of structures at the time of production and even during the service life of parts. Among non-destructive methods, the acoustic emission method has become a standard and reliable method in recent years. In this project, the characteristics of acoustic emission in the fatigue crack growth of aluminum alloy 2025 for online structural monitoring have been investigated an
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D'Amico M. and Vallasciani M. "Is Spinal Deformity Proprioceptively Perceived? Analysis of Self-Correction Manoeuvre. A Pilot Study." In Studies in Health Technology and Informatics. IOS Press, 1997. https://doi.org/10.3233/978-1-60750-881-6-143.

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The recent development of advanced non-ionising real-time measurement systems which are able to provide a full 3-D reconstruction of the rachis both in static and in dynamic condition, has largely increased the number of biomechanical variables available for a more complete analysis of spinal function. Given the innocuousness of such an examination a significant improvement concerns the possibility to perform several measurements of the subject during different postural tests so quantifying the stiffness of the various spinal curves. Very recently we included in our standard evaluation protoco
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Conference papers on the topic "Non-Standard bending test"

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Kane, R. D., M. S. Cayard, S. Tebbal, and M. Prager. "New Test Specimen and Methodology for Evaluation of Steels for Resistance to SOHIC." In CORROSION 1997. NACE International, 1997. https://doi.org/10.5006/c1997-97051.

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Abstract This paper presents a test method for the evaluation of carbon steels for resistance to stress oriented hydrogen induced cracking (SOHIC). It involves the extension of standard non-stressed HIC tests per NACE TM0284 to incorporate the following aspects critical for the evaluation of steels for wet H2S equipment: (1) application of tensile stress, (2) full immersion and one-side exposure, (3) evaluation of welded and non-welded specimens, and (4) crack location coding. A double beam (DB) test specimen adapted from ASTM G-39 loaded in 4-point bending is utilized to provide an applied st
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Kane, R. D., M. S. Cayard, and M. Prager. "Test Procedures for Evaluation of Resistance of Steels to Cracking in Wet H2S Environments." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94519.

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Abstract This paper describes the results of a laboratory study under the direction of a petroleum industry committee involving the use of several standard and non-standard methods for the evaluation of steels for cracking in wet H2S environments. This investigation includes samples of two commonly used pressure vessel steel (ASTM A 516-70 and A 285C) and several test methods including: (1) NACE TM0177 - 90A tensile test, (2) NACE TM0177 - 90A tensile test with one-side (OS) exposure, (3) NACE TM0284, (4) NACE TM0284 with TM0177 solution, (5) TM0284 with OS exposure and (6) Non standard Double
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Clark, Brandi N., J. David McColskey, Ross Rentz, and Jeffrey W. Sowards. "Using Digital Image Correlation to Improve Stress-Corrosion Cracking Evaluation by NACE TM0177-B*." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-08992.

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Abstract NACE TM0177 Method B is a standard method for evaluating stress-corrosion cracking (SCC) resistance. To conduct the test, a beam of material is loaded into a three-point bend fixture and exposed to the specified test solution, then inspected for cracking (failure) at predetermined time intervals. The three-point bending equation is used to calculate peak stress in the center of the beam; however, the bend equation is only valid for elastic deformation. In actuality, the specimens have a pair of holes drilled at the centerline to act as stress concentrators, resulting in stresses that
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Tamaronis, Edgardo. "Improvements in the Deflection Angle Allowed for Pipe, with an Operating Temperature below 50 °C, Coated with non-VOC Liquid Resin, at a Lower Thickness than Recommended for High Temperature." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00056.

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Abstract Currently all coat manufacturers show performances and properties of products in a datasheet, which show everyone of test and coating’s behavior under operating conditions related with the environment where it will be buried. This paper describes that client specified a coating thickness that Is below the minimun recommended by the product manufacturer in datasheet. It is crucial to note that this líquid epoxy resin (LBE) Novolac is intented for use at temperatures higher than those expected during operation and round approximately 50°C compared with the 150°C raised by the coating at
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Goldsberry, Reece, Tony Collins, Krutibas Panda, and Zvi Ben Zvi. "Evaluation of Thermally Diffused Zinc Coatings for Anti-galling Treatment for Rotary Shouldered Connections." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19361.

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Abstract Drill string elements, used in the oil & gas industry commonly employ rotary shouldered connections. These connections are either standard API connections or connections that are developed proprietarily to provide increased torque capacity, fatigue performance and higher connection reliability. A wide variety of alloy families are used for drillstring components, and they exhibit very different galling behavior during make up. The non-magnetic austenitic stainless-steel drillstring components from the CrNiMo family or the nickel alloy family are prone to galling at the connection.
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Ferreira, Denis Alves, Vagner Pascualinotto Junior, and Diego F. B. Sarzosa. "Test Protocol Definition to Measure Fracture Toughness J-Parameter Using Non-Standard Four-Point Bending Specimens." In ASME 2020 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/pvp2020-21592.

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Abstract This work proposes a new test methodology to characterize the fracture toughness values for either brittle or ductile materials, such as steels of risers and pipelines used in the oil and gas industry by using non-standard four-point bending specimens. Four-point bending (4PB) specimens show to be reliable configuration to characterize fracture toughness values. The methodology involves obtaining compliance equations, stress intensity factors, the proportionality factors between the deformation energy and J-integral, known as η-factor. This study evidences the impact of geometry varia
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Van Wittenberghe, Jeroen, Patrick De Baets, and Wim De Waele. "Non-Linear Contact Analysis of an API Line Pipe Coupling." In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-77775.

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In this study, the finite element model of an API Line Pipe threaded pipe connection is presented. The non-linearities in material properties and contact behaviour are discussed. A series of modifications of the standard connection are simulated to gain a better understanding in the influence of geometrical and material parameters on the connection’s performance. Finally, test results obtained from a four-point bending fatigue experiment are presented and compared with numerical simulations.
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Zhu, Xian-Kui. "Methods to Determine Low-Constraint Fracture Toughness: Review and Progress." In ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63662.

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Fracture toughness is often described by the J-integral or crack-tip opening displacement (CTOD) for ductile materials. ASTM, BSI and ISO have developed their own standard test methods for measuring fracture initiation toughness and resistance curves in terms of the J and CTOD using bending dominant specimens in high constraint conditions. However, most actual cracks are in low constraint conditions, and the standard resistance curves may be overly conservative. To obtain more realistic fracture toughness for actual cracks in low-constraint conditions, different fracture test methods have been
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Stephens, Michael John, Simon John Roberts, and Derek James Bennet. "A Validated Methodology to Establish Structural Capacities for Subsea Connector Families." In SPE Offshore Europe Conference & Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205412-ms.

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Abstract Understanding the structural limits of subsea connectors used in offshore environments is critical to ensure safe operations. The latest industry standards establish the requirement for physical testing to validate analysis methodologies for connector designs. In this paper, an analysis methodology, compliant with the latest API 17G standard, is presented for calculating structural capacities of non-preloaded connectors. The methodology has been developed for complex combined loading scenarios and validated using full-scale physical testing for different connector families. Detailed 3
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Adams, Douglas J., Svetlana Lublinsky, and Mauricio Barrero. "Test Methods for Accurate and Robust Material Property Measurements of Rodent Cortical Bone." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192893.

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Direct measurements of cortical bone material properties are difficult to achieve in rodent long bones due to the inherently small dimensions and difficulties in machining standard test specimen geometries [1]. Bone tissue properties in nearly all rodent studies are thus limited to estimates from flexural tests of long bone diaphyses. In addition to the inaccuracies imposed by the bending stress state itself, these material property estimates are further confounded by the non-uniform geometry of long bones along the diaphyseal length. The goal of this work was to develop a series of techniques
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Reports on the topic "Non-Standard bending test"

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Chauhan, Vinod. L52307 Remaining Strength of Corroded Pipe Under Secondary Biaxial Loading. Pipeline Research Council International, Inc. (PRCI), 2009. http://dx.doi.org/10.55274/r0010175.

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Corrosion metal-loss is one of the major damage mechanisms to transmission pipelines worldwide. Several methods have been developed for assessment of corrosion defects, such as ASME B31G, RSTRENG and LPC. These methods were derived based on experimental tests and theoretical/numerical studies of the failure behavior of corroded pipelines subjected only to internal pressure loading. In the vast majority of cases, internal pressure loading will be the main loading mechanism on the pipeline. However, there may be instances when pipelines could also be subjected to significant loading from the env
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