共搜索到14852条信息,每页显示10条信息,共1486页。用时:0小时0分0秒326毫秒
and low energy, will be described, and the grayish-white films with excellent corrosion resistance on AZ31 magnesium alloys are obtained. In this work, the anodization of AZ31 magnesium alloy... on magnesium alloys were obtained. 2) A new kind of organic additive A was used to efficiently form a kind of grayish-white anodic film on AZ31 magnesium alloys, which possesses high corrosion resistance......
......
are restricted to a few commercial alloys such as AZ91D[11], AM50[12], and ZA84[13]. There is few report concerning the microstructure evolution and thixoforging of ZK60+RE magnesium alloys produced.... The tensile properties of the thixoforged ZK60+RE samples are close to those of two-pass ECAE-formed samples. Key words: magnesium alloy; reheating; thixoforging; equal channel angular extrusion (ECAE......
ZK60镁合金热压缩变形流变应力行为与预测 范曦1,覃银江1,何运斌1,刘晓艳1,李文斌1,潘清林1 (1.中南大学材料科学与工程学院,长沙,410083) 摘要:在变形温度为523-673 K,应变速率为0.001-1s-1的条件下,采用Gleeble-1500热模拟试验机对ZK60镁合金的热变形行为进行了研究.结果表明,ZK60镁合金流变应力随变形温度升高和应变速率的降低而减小.其高温压缩流变应力曲线可描述为加工硬化,过渡,软化和稳态流变4个阶段,但在温度较高和应变速率较小时,过渡阶段不很明显.建立了-个包含应变的流变应力预测模型,模型中的9个独立参数可以通过非线性最小二乘法拟合求得,预测的流变应力曲线与实验结果吻合较好. 关键词:ZK60镁合金; 流变应力; 热变形; 动态再结晶; ZK60 magnesium alloy; flow stress; hot......
......
Correlation of recalescence with grain refinement of magnesium alloys GAO Lei(高 磊)1, 2, LIANG Song-mao(梁松茂)1, 2, CHEN Rong-shi(陈荣石)1, HAN En-hou(韩恩厚)1 1. State Key Laboratory for Corrosion...), and liquid peak parameter (LPP) which is firstly introduced into magnesium alloys. The resultant grain size decreases with increasing nucleation temperature (θn) and decreasing values of Δθrec, trec and LPP......
Solidification behavior, microstructure and tensile properties of ZK60-Er magnesium alloys王忠军,徐阳,王诏静,程佳,康宝华,朱晶School of Materials and Metallurgy, University of Science and Technology Liaoning摘 要:ZK60-Er (erbium) alloys were made by melting ZK60 and Mg-Er magnesium alloys (20 wt.% Er) in an electric resistance furnace. The contents of Er were 0, 0.5, 1......
Solidification behavior, microstructure and tensile properties of ZK60-Er magnesium alloys王忠军,徐阳,王诏静,程佳,康宝华,朱晶School of Materials and Metallurgy, University of Science and Technology Liaoning摘 要:ZK60-Er (erbium) alloys were made by melting ZK60 and Mg-Er magnesium alloys (20 wt.% Er) in an electric resistance furnace. The contents of Er were 0, 0.5, 1......
(陈兴品)1, PAN Fu-sheng(潘复生)1, 2 1. College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; 2. National Engineering Research Center for Magnesium Alloys, Chongqing... for optimizing the processing of magnesium alloys. Key words: AZ31 magnesium alloy; rolling; microstructure; texture  ......
分类号:TG146.22;TG376.2 文献标志码:A Microstructure and mechanical properties of ZK60 magnesium alloy processed by T-shape channel pressing KONG Jing, HOU Wen-ting, PENG Yong-hui... of Technology, Guangzhou 510640, China) Abstract: ZK60 magnesium alloy was deformed by a new process of severe plastic deformation(SPD)-T-shape channel pressing (TCP) from 1 pass to 4 passes at 673 K using......