期刊
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
卷 28, 期 11, 页码 2190-2198出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S1003-6326(18)64864-2
关键词
Mg-Sn alloy; extrusion ratio; microstructure; texture; mechanical properties
资金
- National Natural Science Foundation of China [51601076]
- Natural Science Fund for Colleges and Universities in Jiangsu Province, China [16KJB430013, 17KJA430005]
The effect of extrusion ratio on microstructure and mechanical properties of as-extruded Mg-6Sn-2Zn-1 Ca (TZX621) (mass fraction, %) alloy was investigated. It is found that incomplete dynamic recrystallization (DRX) took place in as-extruded TZX621 alloy. As the extrusion ratio was increased from 6 to 16, both fraction of un-DRXed grains and average size of DRXed grains in as-extruded TZX621 alloy decreased and the basal texture was weakened. Coarse CaMgSn phase was broken into particles and fine Mg2Sn phase precipitated from alpha-Mg matrix during hot extrusion. Yield strength, ultimate tensile strength and elongation of as-extruded TZX621 alloy with extrusion ratio of 16 reached 226.9 MPa, 295.6 MPa and 18.1%, which were improved by 36.0%, 17.7% and 13.5%, respectively, compared to those of as-extruded TZX621 alloy with extrusion ratio of 6.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据