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

页码：355 / 362

页数：8

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