Effect of forging on the microstructure and tensile properties of 2024Al/Al18B4O33w composite

被引：7
|
作者：
Shi, W. C. [1 ]
Yuan, L. [1 ]
Zheng, Z. Z. [1 ]
Shan, D. B. [1 ]
机构：
[1] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2014年 / 615卷
关键词：
Metal matrix composite; Forging; Elevated temperature; Microstructure; Tensile properties; ALUMINUM-MATRIX COMPOSITES; MECHANICAL-PROPERTIES; FRACTURE-BEHAVIOR; ALLOY COMPOSITES; WHISKER; EXTRUSION; DIE; SUPERPLASTICITY; COMPRESSION; TEMPERATURE;
D O I：
10.1016/j.msea.2014.07.092
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The hot forging of the 2024Al/Al(18)B(4)O(33)w composite fabricated by the squeeze casting technique was carried out at 450 degrees C to improve the ductility. The microstructure and tensile properties of the as-cast and forged 2024Al/Al(18)B(4)O(33)w composites are studied. Non-homogeneous distribution of the reinforcement whiskers was revealed in the as-cast composite. The forging led to significant variations in the average length and distribution of the reinforcement whiskers in comparison with the as-cast composite. After forging, the tensile tests showed an increase in the ultimate tensile strength at room temperature and a decrease at elevated temperature. The forging highly increased the ductility both at room and elevated temperature. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：313 / 319
页数：7
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