Microstructural and mechanical properties of inconel 600/ZrB2-SiC joints brazed with AgCu/Cu-foam/AgCu/Ti multi-layered composite filler

被引：23

作者：

Wang, Gang ^{[1
]}

Cai, Yingjun ^{[1
]}

Xu, Qiming ^{[1
]}

Zhou, Cong ^{[1
]}

Tan, Caiwang ^{[2
]}

Cao, Wei ^{[3
]}

机构：

[1] Anhui Polytech Univ, Anhui Key Lab High Performance Nonferrous Met Mat, Wuhu 241000, Peoples R China

[2] Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China

[3] Univ Oulu, Nano & Mol Syst Res Unit, POB 3000, FIN-90014 Oulu, Finland

来源：

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2020年 / 9卷 / 03期

基金：

中国国家自然科学基金; 芬兰科学院;

关键词：

ZrB2-SiC ceramic; Brazing; Microstructure; Shear strength; ALLOY; EVOLUTION; CERAMICS; GRAPHENE; FOAM;

D O I：

10.1016/j.jmrt.2020.01.080

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A set of AgCu/Cu-foam/AgCu/Ti multi-layered composite fillers was designed and employed to braze the Inconel 600 alloy and ZrB2-SiC ceramic. Microstructures, formation mechanism and shear strengths of the joints were investigated in detail with and without the addition of Ti foil. The shear strengths of the brazed joints were improved substantially with the presence of Ti foils. A maximum gain of 150 % was reached from 77 MPa to 198 MPa after introducing the Ti foil and brazing the joint at a 1173 K for 15 min. The mechanical property enhancement is attributed to a newly formed TiC phase, release of residual stress, and barrier effect of Cu foam to inhibit formation of Ti-Ni intermetallic compounds. (C) 2020 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommens.org/licenses/by-ne-nd/4.0/).

引用

页码：3430 / 3437

页数：8

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