Effects of grain size and nano-oxide particles on the healing mechanism of hot compression bonding Fe-9Cr-1.5W-0.3Ti alloy

被引：8

作者：

Wang, Jianqiang ^{[1
,2
,3
]}

Liu, Weifeng ^{[4
]}

Xu, Bin ^{[2
,3
]}

Xie, Bijun ^{[2
,3
]}

Liu, Sheng ^{[2
,3
]}

Zhang, Honglin ^{[2
,3
]}

Sun, Mingyue ^{[2
,3
]}

Li, Dianzhong ^{[3
]}

机构：

[1] Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China

[2] Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China

[3] Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China

[4] Chongqing Innovat Ctr, Beijing Inst Technol, Chongqing 401135, Peoples R China

来源：

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2023年 / 24卷

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Hot compression bonding; Grain size; Nano-oxide particles; Dynamic recrystallization; Interfacial bonding ratio; DYNAMIC RECRYSTALLIZATION; MICROSTRUCTURAL EVOLUTION; STORED ENERGY; DEFORMATION; BEHAVIOR; MODEL; JOINT;

D O I：

10.1016/j.jmrt.2023.03.017

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The hot compression bonding (HCB) in a Fe-9Cr-1.5W-0.3Ti alloy, under three conditions: (i) coarse-grained; (ii) fine-grained hot isostatic pressed (HIP); and (iii) fine-grained nano-oxide dispersion strengthened (ODS), was performed at 800 degrees C with strains of 10% and 30% and followed by soaking treatment at 1000 degrees C for 4 h. The effects of grain size and nano-oxide particles on the interfacial microstructure evolution and healing mechanism were systematically investigated. The results showed that grain boundary bulging and small recrystallized grains formed along the straight bonding interface of the coarse-grained alloy were related to discontinuous dynamic recrystallization behavior. In contrast, a layer of fine recrystallized grains was located at the bonding interface of the fine-grained HIP alloy, which was a typical rotation dynamic recrystallization behavior. Although the interfacial recrystallization behavior of the fine-grained ODS alloy was also rotation dy-namic recrystallization, nano-oxide particles inhibited interfacial recrystallization and oxide transformation. Based on the interfacial bonding ratio considering different features of HCB, the ranking of interface bonding ability was coarse-grained alloy < ODS alloy < HIP alloy.(c) 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

引用

页码：971 / 983

页数：13

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