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strain energy between grain boundaries increases with the decrease of grain size, which changes the driving force of phase transformation. Form the EBSD maps (seen in Figures 6(a) and (c)) of SLM sample... temperature. Also, the higher R results in a smaller grain size and a stronger texture intensity, which increases the strain energy of the matrix and changes the phase transition temperature. Moreover......
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J. Cent. South Univ. Technol. (2010) 17: 666-673 DOI: 10.1007/s11771-010-0538-9 Effect of strain hardening and strain softening on welding distortion and residual stress of A7N01-T4 aluminum alloy...; Abstract: The effect of strain hardening and strain softening behavior of flow stress......
Evaluation of Stored Energy from Microstructure of Multi-component Nanostructured CuFeng Yan and Hongwang Zhang Shenyang National Laboratory for Materials Science, Institute of Metal Research... temperature to a strain of 2.1 (LNT-DPD Cu). Three distinct regions that are dominated by dislocation slip, shear banding and nanotwinning, form a multi-component nanostructure. The microstructure......
for the strain calculation. The dependence of the strain energy density distribution on the thickness of the capping layer was investigated in detail when the elastic characteristics of the matrix material were anisotropic. It is shown that the elastic anisotropic greatly influences the stress, strain, and strain energy density in the quantum dot structures. The anisotropic ratio of the matrix......
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increases.Magnesium foams can absorb energy at the collapsing stage.In a certain strain range,the energy absorption capacity also increases as the density of magnesium foams increases.关键词:...Compressive and energy absorption properties of closed-cell magnesium foamsJI Haibin,YAO Guangchun,LUO Hongjie,ZU Guoyin,and LIU Letian School of Material and Metallurgy,Northeastern University......
were analyzed with scanning electron microscopy(SEM) and energy dispersive spectrometerry(EDS), respectively. The experimental results show that the SCC sensitivity index is the highest when the strain...Effects of Strain Rate on Stress Corrosion of S355 Steel in 3.5% NaCl Solutions金亦富1,SHENG Tianyuan2,KONG Weicheng3,ZHANG Ruihong1,WANG Wenchang4,孔德军21. College of Mechanical Engineering,Yangzhou......
30Cr3MoV钢热压缩流变应力行为研究胡诗超1,张恒华1,吴晓春1,闵永安1,许珞萍1(1.上海市上海大学材料科学与工程学院)摘 要:利用Gleeble-3500进行热模拟压缩实验,对低合金钢30Cr3MoV在1 173~1 473 K变形温度以及0.1~10 s-1应变速率条件下的高温流变应力行为进行了研究.通过对真应力-真应变曲线进行分析得到该材料的形变激活能,流变应力本构方程以及峰值应变和峰值应力与变形温度,应变速率之间的关系方程.关键词:30Cr3MoV钢; 流变应力; 形变激活能; 峰......
in the plastic deformation stage. In the point of energy conservation law, the temperature rise in shear bands is deduced based on the variation of elastic strain energy. The serrated flow and fracture mechanism of the ZrTiNiCuBe bulk amorphous alloy was revealed. Key words: bulk amorphous alloy; serrated flow; adiabatic temperature rise; elastic strain energy Foundation item: Project (11372142......