径向锻造加工率对TC4钛合金管材组织与性能的影响
Effect of Radial Forging Processing Rate on Microstructure and Properties of TC4 Titanium Alloy Tube
陈胜川 1李建锋 1朱宝辉 1刘耀兵 1杨宝林 1曹立鹏 1王晓磊 1唐寿全1
作者信息
- 1. 宁夏中色金航钛业有限公司,宁夏 石嘴山 753000
- 折叠
摘要
对TC4 钛合金斜轧管坯分别进行 23.4%、43.8%和 52.8%三种加工率的无芯轴径向锻造,研究不同加工率对管材内壁质量、尺寸、显微组织和力学性能的影响.结果表明:随着径向锻造加工率的增加,内壁起皱量和壁厚增量随之增大,同时壁厚均匀性变差;部分片状α发生球化,片状α和少量等轴α并存;抗拉强度和屈服强度随着加工率的增大而增加,塑性无明显变化.
Abstract
TC4 titanium alloy skew-rolled tube blanks were forged with radial forging without mandrel under three processing rates of 23.4%,43.8%and 52.8%,and the effects of different processing rates on the inner wall quality,size,microstructure and mechanical properties of the tube were studied.The results show that with the increase of the radial forging rate,the wrinkling amount of the inner wall and the increase of the wall thickness increase,and the uniformity of the wall thickness becomes worse;some flaky α is spheroidized,and the flaky α and a small amount of equiaxed α coexist;the tensile strength and yield strength increase with the increase of the processing rate,and the plasticity has no obvious change.
关键词
TC4钛合金/管材/径向锻造/壁厚均匀性Key words
TC4 titanium alloy/tube/radial forging/uniformity of wall thickness引用本文复制引用
基金项目
宁夏自然科学基金项目(2021AAC03529)
出版年
2024
NETL
NSTL
万方数据