共搜索到11356条信息,每页显示10条信息,共1136页。用时:0小时0分0秒406毫秒
......
on the anisotropy of MDFed samples. The mechanisms of strain-induced fine-grained structure development and of the plastic deformation were discussed in detail. Key words: magnesium alloy; severe plastic... processed by severe plastic deformation(SPD) have been studied because of improvement of the several mechanical properties, such as high flow and fatigue strength, moderate ductility. Several SPD processes......
; Plastic deformation behavior of ZK60 magnesium alloy with addition of neodymium YU Kun(余 琨), WANG Xiao-yan(王晓艳), RUI Shou-tai(芮守泰), WANG Ri-chu(王日初) (School of Materials Science... simulator. The plastic deformation behavior was measured and the deformation activation energy was calculated. The microstructures of ZK60 magnesium alloy with an addition of neodymium during......
sample.At the deformation degree by 80%,severe plastic deformation(SPD) leads to the occurrence of a great deal of amorphous and nanocrystalline phase.关键词:...Microstructural Evolution of Plastic Deformation of NiTi Shape Memory Alloy at Low Temperature张艳秋,江树勇,ZHAO Yanan,TANG MingIndustrial Training Centre,Harbin Engineering University摘 要:
A new model to describe effect of plastic deformation on elastic modulus of aluminum alloy ZANG Shun-lai(臧顺来)1, 2, GUO Cheng(郭 成)1, WEI Gong-ji(魏公际)3, CHEN Feng(谌 峰)3, DONG Wei(董 伟)1, ZHANG Ke(张... deformation on elastic modulus is considered when the material undergoes a large plastic deformation. The present work focused on establishing a new model to accurately describe the relation of elastic......
that partial dislocation emissions, as well as the activation of partial dislocations could also become a deformation mechanism in ultrafine-grained aluminum during severe plastic deformation... proposed. Key words: Al-Mg aluminum alloy; severe plastic deformation; high pressure torsion; dislocation configurations; grain refinement; deformation mechanism 1 Introduction Over the last two decades......
, Shiraz, Iran Received 25 November 2011; accepted 1 February 2012 Abstract: The capability of the torsion extrusion (TE) process as a severe plastic deformation (SPD) method was compared... of extrusion shows smoother strain gradient in comparison with the one produced by the FE process. Key words: AA-1050 alloy; severe plastic deformation (SPD); torsion extrusion (TE); equivalent plastic strain......
to achieve severe plastic deformation (SPD) for an as-cast AZ61 magnesium alloy in temperature range of 285-380 °C. The microstructure and mechanical properties of the as-cast and RUE processed AZ61 alloys... upsetting-extrusion; severe plastic deformation; grain refinement; mechanical properties 1 Introduction Magnesium alloys are characterized by low density, high specific strength, high specific......
by severe plastic deformation during subsequent deformation ZHANG Zi-zhao1, XU Xiao-chang1, 2, LIU Zhi-yi1, 2, XIA Qing-kun1, 3, ZENG Su-min1 (1. School of Materials Science and Engineering, Central... that, the stable phases will re-dissolve and re-precipitate alternately. Key words: Al-Cu alloy; severe plastic deformation; re-dissolution of precipitated phase; re-precipitate  ......
and the formation of "vortex" multilayer structure. The mechanisms for the formation of such structures were discussed. Key words: high-pressure torsion; severe plastic deformation; metal matrix composite; vortex..., 2018, 145: 389-401. [22] KAWASAKI M, FIGUEIREDO R B, LANGDON T G. Twenty-five years of severe plastic deformation: Recent developments in evaluating the degree of homogeneity through the thickness......