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of 6A16 alloy pre-aged and then storaged at room temperature for 1 week with various blank-holder forces(10,14,18 kN) was studied.The distribution and variation of stress and strain in deformation zones... and strain of the deformation zone have an incremental trend with the blank-holder force increasing while the deformation degree and grain size within a certain deformation zone have an obvious increase......
of the steel with Ce addition was reduced to 1000 oC at a strain rate of 10/s and 1050 oC at a strain rate of 50/s,respectively.关键词:......
="ChDivSummary">The dynamic compressive behavior and constitutive relations of Lanthanum(La) metal was determined by using the first compression in split Hopkinson pressure bar(SHPB) tests at different strain... revealed.The results of scanning electron microscope(SEM) investigation of the recovered La metal specimens for typical tests showed that there was a variety of deformation microstructures depending on strain......
,Ministry of Education,Northeastern University摘 要:In this study,uniaxial hot compression tests were carried out between 200 and 400℃ over strain rates of0.001-1... temperatures of 300-400℃ and low strain rates of 0.001-0.01 s-1.According to dynamic material model and Prasad’s instability criterion,a maximum power dissipation of 38% and 32% occurs at 400℃/0.001 s-1 and 400......
the microstructure of the machined subsurface.Next,to elucidate the factors that affect the formation of the refinement microstructure,the distributions of the deformation parameters(strain,strain rate......
that an increase in the deformation temperature and strain rate promoted the transformation of low-angle grain boundaries to high-angle grain boundaries, which contributed to dynamic recrystallization... results show that the variation of the microhardness was closely related to the temperature, strain rate, and dynamic recrystallization.关键词:......
Experimental Investigation on Individual Effect of Deformation Variables on Mechanical Behavior of Superplastic Alloy Zn-AlWang Zhenfan, Chen Jiamin and Ma Longxiang摘 要:<正>Quite a good deal of research works on the effect of deformation variables, i. e. the deformation temperature T, strain e and strain rate ε etc, on the mechanical behavior......
of Technology,Harbin 150001,China摘 要:The microstructure,phase transformation,compression property and strain recovery characteristics of equiatomic Ru-Nb high... and of the martensite bands inside the variant and dislocation were found during compression at room temperature.The maximum complete recovery strain is about 1.5%.关键词:......
temperatures ranging from 960 to 1060°C,the strain rates ranging from 0.001 to 10.0 s-1,and the maximum height reduction of 70.0%.In the two-phase region of the Ti-5.6Al-4.8Sn-2.0Zr alloy,the volume fraction of α phase decreases with an increase in deformation temperature,but the grain size has a slight variation with deformation temperature.The strain rate affects both morphologies and grain size......
, point is elevated with long term aging at elevated temperature (500-700℃) due to a large number of strain induced carbides precipitate. Along with accelerated decomposition of strain induced α......