Metal and Alloy Materials Testing

Application News - Tensile Test of Metallic Material by Strain Rate Control Using an Automatic Extensometer

Metals

Testing, Analysis and Inspection of Metals and Alloys

Shimadzu manufactures a complete range of analytical tools for the evaluation of all types of metals from the traditional precious metals used in fine jewelry to modern ultra-lightweight alloys used in jet aircraft.

Below are some examples:

Featured Applications

Evaluation of Press Work on Sheet Metal

Evaluation of Press Work on Sheet Metal

Pressed parts made of lightweight materials with poor workability, such as high tensile steel, aluminum alloys, and magnesium alloys, are essential for reducing the weight of transportation equipment. Repeatedly modifying the die to achieve a target shape not only increases costs, but also lengthens the development period. One solution currently being tried is to reduce the number of actual samples evaluated by using simulation to predict forming problems in advance. As simulation technology continues to evolve, the use of methods such as the Yoshida-Uemori Model, which considers a greater number of factors than previous methods, including plastic strain dependence of elasticity based on the r-value and the Bauschinger effect, has increased.


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Tensile Test of Metallic Material by Strain Rate Control Using an Automatic Extensometer

Universal Tensile Testing Machine

This article introduces an example in which the possibility of conducting ISO 6892-1:2019 compliant strain rate control was verified using a Shimadzu Autograph AGX™-100 kNV precision universal testing machine and an SIE-560SA automatic extensometer.

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Tensile Test of High Tensile Strength Steel

Universal Tensile Testing Machine

There is a deeply rooted need for tensile strength tests for extremely thin copper foil used for printed circuits and packaging materials in electronic and food industry. Practical tests, however, are often confronted with the problem of getting reliable data due to fluctuations and breakage of the specimen at the gripped portion. Consequently, static tensile tests of extremely thin foils as thin as 0.02mm must be conduced in a manner different from general tests. The following is an introduction of testing methods for highly reliable test results and some ideas on grip that encourage normal breakage of the specimen.

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Static Tensile Test of Extremely Thin Copper Foil Selection of Optimal Grips and Grip Faces (I)

Universal Tensile Testing Machine

There is a deeply rooted need for tensile strength tests for extremely thin copper foil used for printed circuits and packaging materials in electronic and food industry. Practical tests, however, are often confronted with the problem of getting reliable data due to fluctuations and breakage of the specimen at the gripped portion. Consequently, static tensile tests of extremely thin foils as thin as 0.02mm must be conduced in a manner different from general tests. The following is an introduction of testing methods for highly reliable test results and some ideas on grip that encourage normal breakage of the specimen.

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Static Tensile Test of Small Pipe Selection of Optimal Grips and Extensometers (II)

Universal Tensile Testing Machine

The mechanical properties of aluminum and copper pipes, often used in air conditioners and in various precision instruments, must be evaluated in the form of their actual use. Static tests are conducted with both ends of the pipe specimen processed flat and the center portion remaining in the form of a pipe, while conventional testing methods are performed by inserting a core into the gripped part of the specimen to prevent crushing. Actual test conditions and test results are introduced here.

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Observations of Turbine Defects (X-ray CT)

inspeXio SMX-225CTX-Ray Computed Tomography System

X-ray fluoroscopy systems offer non-destructive observations of the internal structures of objects. They are effective instruments for identifying the cause of failure of industrial products. By simplifying the non-destructive tomographic imaging and 3D imaging of the interior of objects, observations of internal shapes, dimensional measurements, and density observations, these systems provide a powerful tool for defect analysis and quality control.

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Automatic Elongation and Width Measurements In Tensile Tests of Thin Steel Plates

Universal Tensile Testing Machine

Simply attach an automatic extensometer and width sensor to the Autograph precision universal tester to automate the measurement of various physical properties, including r-values, which are useful in evaluating the workability of steel plates. This enables easily performing tests that conventionally used manual extensometers and width sensors, or strain gauges.

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Evaluation of Functioning of Shape Memory Alloys in Automatic Stress-Strain Control Mode of Shimadzu Autograph

Universal Tensile Testing Machine

Shape memory alloys, drawing keen interest for their unique characteristics as metallic materials, are currently used widely in the fields of space exploration, the automobile industry, electronic instruments, medical instruments, and consumer goods. Further study to expand their application is going on. Change of shape, recovery ratio and recovery force are major factors of the shape memory effect. One area of inquiry of particular interest is how the change of stress and strain is influenced by temperature. The Shimadzu Autograph, an automatic stress-strain control device, can control loading rate and gauge length strain rate through its computer control system.

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Evaluation of the Bauschinger Effect on a Steel Sheet Specimen Subjected to In-plane Reverse Loading Test

Universal Tensile Testing Machine

In dies manufacturing for presses, the spring-back phenomenon is an issue causing forming failures that need to be coped with by trial and error, which requires tremendous time and costs. In recent years, on the other hand, computer aided engineering (CAE) analytical technologies are utilized in various fields to simulate product designs on a computer for reducing the number of times and costs of trial production. Regarding dies manufacturing for presses, simulation is also coming to be used to predict the springback phenomenon in die design as an effective tool to achieve drastic cost reductions. This article presents an example of evaluating the Bauschinger effect on a 1 mm thick cold rolled steel sheet (SPCC) without buckling the sheet, using a Bauschinger effect measuring fixture.

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Journals & Papers

Improvement on the mechanical properties of eutectic Sn58Bi alloy with porous Cu addition during isothermal aging

Improvement on the mechanical properties of eutectic Sn58Bi alloy with porous Cu addition during isothermal aging To cite this article before publication: Yang Liu et al 2021 Mater. Res. Express in press https://doi.org/10.1088/2053-1591/ac10d5

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Critical Dynamics of Defects and Mechanisms of Damage-Failure Transitions in Fatigue

Naimark, O.; Oborin, V.; Bannikov, M.; Ledon, D. Critical Dynamics of Defects and Mechanisms of Damage-Failure Transitions in Fatigue. Materials 202114, 2554. https://doi.org/10.3390/ma14102554

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Micro-Brazing of Stainless Steel Using Ni-P Alloy Plating

Liu, S.; Shohji, I.; Iioka, M.; Hashimoto, A.; Hirohashi, J.; Wake, T.; Arai, S. Micro-Brazing of Stainless Steel Using Ni-P Alloy Plating. Appl. Sci. 2019, 9, 1094. https://doi.org/10.3390/app9061094

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Single edge crack fracture behavior of S2 glass/epoxy under different temperature, strain rate and crack length

Kaya, Zafer & Balcıoğlu, H. & Gun, Halit. (2021). Single edge crack fracture behavior of S2 glass/epoxy under different temperature, strain rate and crack length. Research on Engineering Structures and Materials. 10.17515/resm2021.263me0219. 

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Crack initiation and propagation mechanisms of an extruded dual-phase Magnesium-Lithium alloy in very high cycle fatigue regime

Xiangyu WANG, Chao HE, Xue LI, et al. Crack initiation and propagation mechanisms of an extruded dual-phase Magnesium-Lithium alloy in very high cycle fatigue regime. Authorea. April 27, 2021.

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The Fatigue Behavior and Mechanism of Large FV520B-I Specimens in a Very High Cycle Regime

Zhang, Han & Zhang, Ming & Li, Li & Xie, Bao & Zhang, Jun. (2020). The Fatigue Behavior and Mechanism of Large FV520B-I Specimens in a Very High Cycle Regime. 10.21203/rs.3.rs-136150/v1. 

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Stretch Forming Behavior and Constitutive Equation of a Modified 5083 Alloy with High Mg Content at Elevated Temperatures

Yang, S.-Y.; Lee, D.-B.; Choi, K.-H.; Kim, N.-S.; Ha, S.-H.; Kim, B.-H.; Yoon, Y.-O.; Lim, H.-K.; Kim, S.K.; Kim, Y.-J. Stretch Forming Behavior and Constitutive Equation of a Modified 5083 Alloy with High Mg Content at Elevated Temperatures. Metals 202111, 410. https://doi.org/10.3390/met11030410

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Comprehensive study on Inconel 718 surface topography after grinding

Rodrigo de Souza Ruzzi, Raphael Lima de Paiva, Leonardo Rosa Ribeiro da Silva, Alexandre Mendes Abrão, Lincoln Cardoso Brandão, Rosemar Batista da Silva, Comprehensive study on Inconel 718 surface topography after grinding, Tribology International, Volume 158, 2021, 106919, ISSN 0301-679X, https://doi.org/10.1016/j.triboint.2021.106919. (https://www.sciencedirect.com/science/article/pii/S0301679X21000670)

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The effects of ultrasonic vibration on microstructural changes and mechanical properties of Mg alloy joint

Fangzhou Yang and Bing Liu 2021 Mater. Res. Express 8 026512

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Effect of Welding on Gigacycle Fatigue Strength of Austenitic Stainless Steels

Takashi NAOE, Takashi WAKUI, Hiroyuki KOGAWA, Eiichi WAKAI, Katsuhiro HAGA, Hiroshi TAKADA, Effect of Welding on Gigacycle Fatigue Strength of Austenitic Stainless Steels , Advanced Experimental Mechanics, 2018, Volume 3, Pages 123-128, Released November 30, 2018, Online ISSN 2424-175X, Print ISSN 2189-752, https://doi.org/10.11395/aem.3.0_123, https://www.jstage.jst.go.jp/article/aem/3/0/3_123/_article/-char/en

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Influence of Deep Cryogenic Treatment on Microstructure and Properties of 7A99 Ultra-High Strength Aluminum Alloy

Gao, W.; Wang, X.; Chen, J.; Ban, C.; Cui, J.; Lu, Z. Influence of Deep Cryogenic Treatment on Microstructure and Properties of 7A99 Ultra-High Strength Aluminum Alloy. Metals 20199, 631.

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Investigation on the graphite nucleation and growth mechanism of the compacted graphite iron

G.Q. Shi, Z. Yang, J.P. Li, D. Tao, Z.J. Ma, Investigation on the graphite nucleation and growth mechanism of the compacted graphite iron, Journal of Materials Research and Technology, Volume 9, Issue 4, 2020, Pages 8186-8196, ISSN 2238-7854, https://doi.org/10.1016/j.jmrt.2020.05.051.

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Change in Mechanical Properties by High-Cycle Loading up to Gigacycle for 316L stainless steel

Takashi Naoe, Stefanus Harjo, Takuro Kawasaki, Zhihong Xiong, Masatoshi Futakawa
Proceedings of the 14th International Workshop on Spallation Materials Technology, 10.7566/JPSCP.28.061009

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Influence of electropulsing treatment combined with pre-deformation on ageing behavior and mechanical properties of 5A90 Al-Li alloy

Journal of Alloys and Compounds
Volume 784, 5 May 2019, Pages 1234-1247

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The Evaluation of Laser Weldability of the Third-Generation Advanced High Strength Steel

Metals 2019, 9(10), 1051; https://doi.org/10.3390/met9101051

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Optimizing the microstructure and mechanical properties of a cold-rolled Al–Mg–Li alloy via electropulsing assisted recrystallization annealing and ageing

Journal of Alloys and Compounds
Volume 814, 25 January 2020, 152257

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