Microstructural evolution of equal channel angular pressed AZ91D magnesium alloy during semi-solid i

来源 :中国铸造:英文版 | 被引量 : 0次 | 上传用户:qncy1239o
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
AZ91D 镁合金的微结构进化由相等的隧道处理了在 570 点的在等温的热处理期间的尖紧迫被调查。结果显示尖紧迫由等温的热处理是的半固体跟随了的相等的隧道准备 AZ91D 的半固体 nondendritic 泥浆的一个有效方法镁合金。在这个过程期间,它的微观结构变化经历了四个阶段,起始的变粗阶段,结构分离阶段, spheroidization 阶段和最后的变粗阶段。微结构 spheroidization 效果是在为为四张通行证压的合金为 15 min 被加热以后的最好,并且谷物尺寸最小。随加热时间的另外的
其他文献
In the present research,two numerical schemes for improving the accuracy of the solution in the flow simulation of molten metal were applied.One method is the P
新充满系统是光滑的没有煤气的 gap.It 工作,在避免象孔和 inclusion.The 流盆那样的缺点的产生充满很好,口炎性腹泻,跑步者和扔的bolster 的门根据充满的新充满 system.The 的
Pb-Bi eutectic alloy has been receiving increasing attention as a heavy liquid metal coolant in accelerator driven systems and Generation IV fission reactors. C
期刊
Based on δ30Si and δ32Si isotope geochemistry, the origin and evolutionary mechanism of thermal springs in Jiaodong region are studied. The mean value of δ30
In this research, Ti-15V-3Cr-3Al-3Sn alloy ingots were prepared using ceramic mold and centrifugalcasting. The Ti-15V-3Cr-3Al-3Sn setting casting, for aeronauti
3D stereoscopic visualization technology is coming into more and more common use in the field of entertainment,and this technology is also beginning to cut a st
期刊
Hot cracking during solidification can be a serious problem in aluminium casting alloys under certain conditions.This feature is well known,but still insuffi ci
To improve the comprehensive mechanical properties of Mg-15Al magnesium alloy,different amounts(from 0 to 4.0wt.%)of Nd were added to the alloy and six Mg-15Al-
期刊
The back of the mirror is mainly decorated with dragon patterns,in which the head of the dragon is perking up.and the body of the dragon stretches freely.This i
A single-mold Gasar technique was developed to produce lotus-type porous micro-channel copper with uniform porous structure. In this paper the effect of withdra
期刊