Tensile Elastic Modulus, Strength and Fracture of δ-Al_2O_(3f)/Al Alloy Composites

作     者：GuoZheng KANG+, Qing GAO and Jixi ZHANG (Department of Applied Mechanics and Engineering, Southwest Jiaotong University, Chengdu 610031, China) 

作者机构：Department of Applied Mechanics and Engineering Southwest Jiaotong University Chengdu 610031 China 

出 版 物：《Journal of Materials Science & Technology》 (材料科学技术（英文版）)

年 卷 期：2000年第16卷第5期

页      面：475-480页

核心收录：

学科分类：0817[工学-化学工程与技术] 0806[工学-冶金工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0703[理学-化学] 0802[工学-机械工程] 0801[工学-力学（可授工学、理学学位）] 0702[理学-物理学] 

基　　金：Ac plied Fundamental Research Fund of Sichuan Province 1998(19), P.R.China Fund of Material and Structural Failure Mechanic 

主　　题：Tensile Elastic Modulus Al2O 

摘      要：Based on the experimental and theoretical analysis, the tensile elastic modulus, strength and fracture characteristics of squeeze casting δ-Al2O3/Al alloy composites were studied. The fracture characteristics of composites were observed by SEM. The elastic modulus was predicted by the finite element method based on the energy equivalence principle, and the strength was predicted by the statistical integration average method using the maximum energy criterion of composite strength. In the prediction, the distribution density functions of the fiber s. orientation and length were considered. These functions were gained by experimental measurement. It is shown that the predicted results are in agreement with the experimental values well and the microstructure feature of composites controls the fracture characteristics.