ZrB_2-SiC与Inconel 600钎焊接头组织及力学性能研究

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英文篇名：Microstructure and mechanical properties of ZrB_2-SiC and Inconel 600 brazed joint 作者：蔡颖军 ; 王刚 ; 王微 ; 桂凯旋 ; 朱冬冬 英文作者：CAI Yingjun;WANG Gang;WANG Wei;GUI Kaixuan;ZHU Dongdong;School of Mechanical and Automotive Engineering,Anhui Polytechnic University;Department of Mechanical Engineering,Anhui Technical College of Mechanical and Electrical Engineering;School of Mechanical Engineering,Quzhou University; 关键词：ZrB_2-SiC陶瓷 ; Inconel ; 600 ; 钎焊 ; 接头组织 ; 剪切强度 ; Ag-28Cu 英文关键词：ZrB_2-SiC ceramics;;Inconel 600;;brazing;;microstructure;;shear strength;;Ag-28Cu 中文刊名：BCKG 英文刊名：Ordnance Material Science and Engineering 机构：安徽工程大学机械与汽车工程学院;安徽机电职业技术学院机械系;衢州学院机械学院; 出版日期：2019-01-30 09:09 出版单位：兵器材料科学与工程 年：2019 期：v.42;No.294 基金：国家自然科学基金(51704001);; 安徽省教育厅重点项目(KJ2018A0860);; 安徽工程大学预研基金(2017yyzr08),安徽工程大学拔尖人才计划 语种：中文; 页：BCKG201903011 页数：5 CN：03 ISSN：33-1331/TJ 分类号：41-45

摘要

为研究钎焊温度对接头组织和剪切强度的影响,用Ag-28Cu钎料对ZrB_2-SiC陶瓷与Inconel 600镍基合金进行真空钎焊。结果表明:用Ag-28Cu钎料可获得良好的钎焊接头,接头无明显缺陷;焊缝主要由Ag_(ss)、Cu_(ss)和(Cr,Fe)_7C_3组成;随钎焊温度的增加,剪切强度不断提高;当钎焊温度为840℃、保温5 min时,获得的接头具有最优剪切强度,达到86.6MPa。
        ZrB_2-SiC ceramics and Inconel 600 were vacuum brazed using Ag-28Cu brazing filler,in order to investigate in detail the effect of brazing temperature on microstructure and shear strength of brazed joint. The results show that a sound joint can be obtained between ZrB_2-SiC ceramics and Inconel 600 alloy by using the Ag-28Cu brazing filler alloy,and the interface is fully bonded without defects. The brazed joint is composed of Ag_(ss),Cu_(ss) and(Cr,Fe)_7C_3. As the brazing temperature is increased,the shear strength of brazed joints are continuously increased. The maximum shear strength of 86.6 MPa was achieved at 840 ℃ for 5 min.

引文

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