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Abstract:
为了连接变形镁合金AZ31B,以A1基钎料对变形镁合金AZ31B进行高频感应钎焊.采用扫描电镜、X射线衍射仪、X射线能谱等分析钎焊接头的显微组织及钎缝物相,测试钎焊接头的力学性能及显微硬度.结果表明:在钎焊过程中熔融的Al基钎料与固态的AZ31B母材发生强烈的合金化作用,原始钎料中均一的Mg32(Al,Zn)49相在钎焊后完全消失,同时在钎缝中生成a-Mg、β-Mg17(Al,Zn)12相.钎焊搭接接头的平均抗剪强度达到44 MPa,对接接头的平均抗拉强度达到71 MPa.接头的断裂形式为沿晶脆性断裂,断裂产生在β-Mg17(Al,Zn)12硬脆相处.
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稀有金属材料与工程
ISSN: 1002-185X
Year: 2011
Issue: 9
Volume: 40
Page: 1600-1604
0 . 7 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
JCR Journal Grade:4
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WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 4
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30 Days PV: 8