Formation of nanocrystalline and nanolaminate structures in a twinning induced plasticity Ti-12Mo alloy: The role played by {332} 〈113〉 twinning

晶体孪晶 材料科学 纳米晶材料 可塑性 合金 冶金 复合材料 微观结构 纳米技术
作者
Yue Wang,Fengkai Yan,Minjie Lai,Xiuyan Li
出处
期刊:Acta Materialia [Elsevier BV]
卷期号:276: 120078-120078 被引量:6
标识
DOI:10.1016/j.actamat.2024.120078
摘要

Grain refinement is an effective strategy to strengthen metastable β titanium alloys. {332}<113> twinning, a typical deformation mode, its role on grain refinement still remains unelucidated. Here, we produced a gradient nanostructured layer with a depth of 800 μm in a metastable twinning induced plasticity β-Ti-12Mo (wt.%) alloy by means of surface mechanical rolling treatment. We found that {332}<113> deformation twinning, mainly dominated the deformation at moderate strain and strain rates, refining coarse grains into submicro-structures. With increasing strain and strain rates, dislocation slip instead of {332}<113> twinning prevailed. These dislocations were first arranged into extended boundaries and then into laminated structures to coordinate deformation. Eventually, shear banding and fragmentation of laminates result in the formation of nanocrystalline with size of 34 ± 8 nm. The nanostructured Ti-12Mo alloy exhibited the high hardness of 4.9 GPa at subsurface. The surface hardness decreased to 4.4 GPa which was mainly caused by the inhibition of stress-induced martensitic transformation α'' and the occurrence of its reversal transformation due to adiabatic heating induced by the high strain rate. This work expands our knowledge on strengthening β titanium alloys by {332}<113> twinning induced grain refinement at different deformation conditions.
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
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

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
NexusExplorer应助ttttt采纳,获得10
刚刚
啦啦啦啦发布了新的文献求助10
1秒前
wwj完成签到,获得积分10
1秒前
大模型应助葡萄糖采纳,获得10
1秒前
CHENXIN532完成签到,获得积分10
2秒前
2秒前
4秒前
清逸发布了新的文献求助10
4秒前
佳佳应助wwj采纳,获得10
5秒前
小期待完成签到,获得积分10
5秒前
7秒前
乘风的法袍完成签到,获得积分10
7秒前
充电宝应助ccq采纳,获得10
9秒前
lll发布了新的文献求助10
11秒前
12秒前
sc30完成签到 ,获得积分10
12秒前
猪猪发布了新的文献求助10
13秒前
科研渣渣茜完成签到,获得积分10
13秒前
科目三应助XXJ采纳,获得10
17秒前
17秒前
18秒前
王莉完成签到,获得积分20
19秒前
orixero应助852采纳,获得20
19秒前
量子星尘发布了新的文献求助10
19秒前
旷野发布了新的文献求助20
22秒前
没有蛀牙发布了新的文献求助10
23秒前
然然完成签到,获得积分10
23秒前
传奇3应助Richard采纳,获得10
23秒前
25秒前
sky发布了新的文献求助10
27秒前
奋斗绿旋完成签到,获得积分10
28秒前
科研通AI5应助3s采纳,获得10
29秒前
29秒前
30秒前
王莉关注了科研通微信公众号
30秒前
30秒前
llll发布了新的文献求助10
30秒前
xi完成签到,获得积分10
32秒前
32秒前
32秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
Picture Books with Same-sex Parented Families: Unintentional Censorship 700
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
Nucleophilic substitution in azasydnone-modified dinitroanisoles 500
不知道标题是什么 500
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
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 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3976210
求助须知:如何正确求助?哪些是违规求助? 3520366
关于积分的说明 11203088
捐赠科研通 3256965
什么是DOI,文献DOI怎么找? 1798570
邀请新用户注册赠送积分活动 877738
科研通“疑难数据库(出版商)”最低求助积分说明 806516