Synthesis of an (Al3BC + Al2O3)/Al composite with high stiffness and attractive high-temperature tensile properties

被引：2
|
作者：
Hu, Jingyi [1 ]
Gao, Tong [1 ]
Li, Mengyu [1 ]
Liu, Xiangfa [1 ]
机构：
[1] Shandong Univ, Key Lab Liquid Solid Struct Evolut & Proc Mat, Minist Educ, 17923 Jingshi Rd, Jinan 250061, Peoples R China
来源：
MATERIALS RESEARCH LETTERS | 2024年 / 12卷 / 05期
关键词：
Aluminum matrix composites (AMC); microstructure; stiffness; elevated-temperature properties; AL; ORIENTATION; MATRIX;
D O I：
10.1080/21663831.2024.2331740
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel (8.5Al(3)BC + 14.5Al(2)O(3))/Al composite was fabricated with exceptional elevated-temperature properties and stiffness. The composite boasts an average Young's modulus of 99 GPa, with ultimate tensile strength and elongation of the composite at 350 degrees C averaging 188 MPa and 4.4%, respectively. The synergistic strengthening effect of Al3BC and gamma-Al2O3 is responsible for the high-temperature properties, while they both contribute to the improvement of stiffness as they have a high initial Young's modulus. This innovative composite design holds promising potential for advancements in material engineering and performance optimization.<br /> [GRAPHICS]
引用
收藏
页码：355 / 362
页数：8
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