Influence of Multi-Pass Hot Extrusion on Microstructure and Mechanical Properties of the Mg–4Zn–1.2Y–0.8Nd Alloy

材料科学 挤压 微观结构 合金 极限抗拉强度 粒度 相(物质) 延展性(地球科学) 复合材料 再结晶(地质) 冶金 动态再结晶 热加工 蠕动 化学 有机化学 古生物学 生物
作者
Liyuan Sheng,Xingru Zhang,Hui Zhao,Beining Du,Yufeng Zheng,Tingfei Xi
出处
期刊:Crystals [Multidisciplinary Digital Publishing Institute]
卷期号:11 (4): 425-425 被引量:8
标识
DOI:10.3390/cryst11040425
摘要

In the present research, a Mg–4Zn–1.2Y–0.8Nd (wt.%) alloy was heat treated and hot extruded with different passes. XRD, SEM, TEM and tensile testing were employed to characterize the microstructure evolution and mechanical properties. The results exhibited that the semi-continuously distributed W-Mg3Zn3Y2 phases formed the skeleton structure which separated the α-Mg matrix into a dual-size grain structure. In addition, the Mg24Y5, Mg41Nd5 and Y2O3 phase was also observed in the heat-treated alloy. Moreover, it was found that the Mg24Y5 phase had an orientation relationship with the α-Mg matrix of α[111]Mg24Y5//[0001]α-Mg and α(101¯)Mg24Y5//(101¯0)α-Mg, and the Mg41Nd5 phase had an orientation relationship with the α-Mg matrix of α[001]Mg41Nd5//[0001]α-Mg. The one-pass hot extrusion segmented the secondary phases into small ones and refined the α-Mg matrix. Due to the partly recrystallization and crystal orientation difference, the coarse elongated grain surrounded by fine recrystallized grain and secondary phase was the main feature of the one-pass hot extruded alloy. Furthermore, the secondary phases exhibited the linear distribution along the direction of hot extrusion. The two-pass hot extrusion refined the secondary phase and matrix further, which produced the ultrafine α-Mg matrix with uniform grain size and a well redistributed secondary phase. Due to the microstructure optimization by the multi-pass hot extrusion, the ductility and strength of the Mg–Zn–Y–Nd alloy were well improved, especially the two-pass hot extruded alloy which was significant improved in ductility and strength simultaneously.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
易水完成签到 ,获得积分10
11秒前
上官若男应助大天使之剑采纳,获得10
14秒前
ttt完成签到,获得积分10
16秒前
xiaoruixue完成签到,获得积分10
20秒前
back you up应助科研通管家采纳,获得100
21秒前
joeqin完成签到,获得积分10
22秒前
忒寒碜完成签到,获得积分10
24秒前
粗心的飞槐完成签到 ,获得积分10
26秒前
Zheng完成签到 ,获得积分10
26秒前
27秒前
guoxingliu完成签到,获得积分10
29秒前
lyx完成签到 ,获得积分10
31秒前
33秒前
幽默的太阳完成签到 ,获得积分10
40秒前
Ava应助千玺的小粉丝儿采纳,获得10
43秒前
50秒前
whitepiece完成签到,获得积分10
51秒前
HCT完成签到,获得积分10
52秒前
54秒前
XZZ完成签到 ,获得积分10
1分钟前
1分钟前
xiaoyuan发布了新的文献求助10
1分钟前
追寻的续完成签到 ,获得积分10
1分钟前
1分钟前
我和你完成签到 ,获得积分10
1分钟前
困困困完成签到 ,获得积分10
1分钟前
发个15分的完成签到 ,获得积分10
1分钟前
9377发布了新的文献求助10
1分钟前
善善完成签到 ,获得积分10
1分钟前
李雨晴完成签到,获得积分10
1分钟前
水晶李完成签到 ,获得积分10
1分钟前
芝诺的乌龟完成签到 ,获得积分0
1分钟前
颜陌完成签到,获得积分10
1分钟前
聪慧的石头完成签到,获得积分10
1分钟前
花生王子完成签到 ,获得积分10
1分钟前
qq完成签到 ,获得积分10
1分钟前
沧海云完成签到 ,获得积分10
1分钟前
番茄小超人2号完成签到 ,获得积分10
2分钟前
chenmeimei2012完成签到 ,获得积分10
2分钟前
居里姐姐完成签到 ,获得积分10
2分钟前
高分求助中
All the Birds of the World 4000
Production Logging: Theoretical and Interpretive Elements 3000
Les Mantodea de Guyane Insecta, Polyneoptera 2000
Machine Learning Methods in Geoscience 1000
Resilience of a Nation: A History of the Military in Rwanda 888
Essentials of Performance Analysis in Sport 500
Measure Mean Linear Intercept 500
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 物理 生物化学 纳米技术 计算机科学 化学工程 内科学 复合材料 物理化学 电极 遗传学 量子力学 基因 冶金 催化作用
热门帖子
关注 科研通微信公众号,转发送积分 3729162
求助须知:如何正确求助?哪些是违规求助? 3274328
关于积分的说明 9984936
捐赠科研通 2989546
什么是DOI,文献DOI怎么找? 1640589
邀请新用户注册赠送积分活动 779249
科研通“疑难数据库(出版商)”最低求助积分说明 748145