Effect of SiC particles on microstructure and mechanical properties of SiCp/ AZ91 magnesium matrix composite brazed joint

被引：0
作者：
Ge, Xiaozhe [1 ]
Nie, Kaibo [1 ]
Deng, Kunkun [1 ]
Xu, Chao [2 ]
Wang, Shilei [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China
[2] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2025年 / 1010卷
基金：
中国国家自然科学基金;
关键词：
Magnesium matrix composites; Magnesium alloy filler metal; Brazing; Microstructure; Mechanical properties; AZ31; MAGNESIUM; ALUMINUM-ALLOY; FILLER METAL; MG ALLOYS; TI; OXIDATION; LAYER; AIR;
D O I：
10.1016/j.jallcom.2024.177387
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The impact of SiC particles on the microstructure, mechanical properties, and fracture morphology of magnesium alloy brazed joints was investigated. The brazing experiments of AZ91+AZ91, AZ91+SiCp/AZ91, and SiCp/ AZ91+SiCp/AZ91 were carried out under the same technological conditions by using the self-designed special filler metal for magnesium matrix composites. The impact of SiC particles on the microstructure and mechanical properties of brazed joints was analyzed. The addition of Ti can effectively enhance the wettability of filler metal on SiC particles. The shear strength of SiCp/AZ91+SiCp/AZ91 joints is 76.0 MPa. The shear strength of the joint is 43.4 % higher than that of AZ91+ AZ91.
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页数：8
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