Results 11 to 20 of about 17,410 (218)
Journal of Materials Research and Technology, 2019 In order to understand the constitutive behavior of as-cast AZ80 with large grain size, the uniaxial hot compression tests were carried out over a series of isothermal upsetting experiments. The maximum deformation degree was 65%.
Xingrui Chen +7 more
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Numerical Modeling and Multi Objective Optimization of Face Milling of AISI 304 Steel [PDF]
Journal of Applied and Computational Mechanics, 2019 There is a requirement to find accurate parameters to accomplish precise dimensional accuracy, excellent surface integrity and maximum MRR. This work studies the influence of various cutting parameters on output parameters like Cutting force, Surface ...
K. Krishnaprasad, C.S. Sumesh, A. Ramesh
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INVERSE COMPUTATIONAL DETERMINATION OF JOHNSON-COOK PARAMETERS USING THE SHPB TEST APPARATUS
Acta Polytechnica CTU Proceedings, 2019 The paper describes determination of the material parameters of the Johnson-Cook constitutive model of steel S235 JR sample material by applying the inverse computational methodology using the digital twin model of the SHPB.
Anja Mauko, Branko Nečemer, Zoran Ren
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Applied Mechanics, 2021 Understanding the effect of thermomechanical loads during finish cutting processes, in our case hard milling, on the surface integrity of the workpiece is crucial for the creation of defined quality characteristics of high-performance components ...
Andrey Vovk +4 more
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A Modified Johnson Cook Constitutive Model for Aermet 100 at Elevated Temperatures
High Temperature Materials and Processes, 2018 The predicted flow behaviors of Aermet 100 steel were analyzed within a wide range of temperatures of 1,073 K–1,473 K and strain rates of 0.01 s–1–50 s–1 based on isothermal compression tests.
Zhanwei Yuan, Fuguo Li, Guoliang Ji
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Materials & Design, 2020 Constitutive models were built based on the results of isothermal hot compression tests for a 6061 aluminium alloy at temperatures of 400, 450, 500, and 550 °C and strain rates of 0.1, 1, and 10 s−1, which reproduced conditions of the hot rolling forming
André Rudnytskyj +3 more
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Hot Deformation Behavior and Microstructure Evolution of 2219/TiB2 Al-matrix Composite [PDF]
Materials Research, 2020 Hot compression tests for 2219/TiB2 Al-matrix composite were conducted on a Gleeble-3500 isothermal simulator in the temperature range of 300~500°C and strain rates of 0.01, 0.1, 1, 10s-1 to obtain true stress strain curves.
Wang Jing, Liang Qiang, Li Ping
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High Strain-Rate Material Model Validation for Laser Peening Simulation
The Journal of Engineering, 2015 Finite element modeling can be a powerful tool for predicting residual stresses induced by laser peening; however the sign and magnitude of the stress predictions depend strongly on how the material model captures the high strain rate response.
Kristina Langer +5 more
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Jixie qiangdu, 2022 In order to study the dynamic mechanical properties of SUS304 stainless steel commonly used in rail vehicles, tensile tests under wide strain rates of 0.000 2 s-1～500 s-1 were carried out respectively.
LIU YuXin +5 more
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Buildings, 2023 The net shell is a widely utilized large-span space structure known for its aesthetically pleasing design and uniform load distribution, as well as serving as a prominent architectural landmark. In recent years, the impact resistance research of mesh and
Yuhang Shen +3 more
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