Microstructure and XRD analysis in the interface zone of Mg/Al diffusion bonding

被引：38
作者：
Wang Juan [1 ]
Li Yajiang [1 ]
Liu Peng [1 ]
Geng Haoran [2 ]
机构：
[1] Shandong Univ, Key Lab Liquid Struct & Hered Mat, Sch Mat Sci & Engn, Jinan 250061, Peoples R China
[2] Jinan Univ, Sch Mat Sci & Engn, Jinan 250022, Peoples R China
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2008年 / 205卷 / 1-3期
基金：
中国国家自然科学基金;
关键词：
intermetallic compounds; x-ray diffraction; microstructure diffusion;
D O I：
10.1016/j.jmatprotec.2007.11.096
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The microstructure and phase constituent for the Mg/Al diffusion bonded joint were studied via scanning electron microscope (SEM) and X-ray diffraction (XRD). The test results indicated that the new compact phase was formed near the transition region of Mg/Al diffusion interface. There are three new phase layers in the transition region. The fracture morphology mainly consists of coarse and gray fracture, and the fracture is mainly the mixed fracture of cleavage and brittleness. X-ray diffraction test indicates that the diffusion zone of Mg/Al diffusion bonded joint consists of intermetallic compounds MgAl, Mg3Al2 and Mg2Al3. With the increase of heating temperature, the content Of Mg3Al2 and Mg2Al3 phases with good stability was improved. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：146 / 150
页数：5
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