Microstructure and mechanical properties of the aluminum-zirconium tungstate composite

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019 Pub Date : 2019-11-19 DOI:10.1063/1.5132058

A. Kulkov, R. Balokhonov, V. Romanova, V. Shadrin, S. O. Kasparyan

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Abstract

Deformation and fracture of particle-reinforced aluminum-zirconium tungstate metal-matrix composite are experimentally and numerically investigated. The composite material was fabricated using pure aluminum ACD-6 and ZrW2O8 powders mixed in proportions 90% and 10%, respectively. Mechanical tests on compression of the composite specimens were carried out, and the microstructure was investigated before and after the tests. Numerical simulation of the composite deformation was performed in two dimensional formulation of the dynamic boundary-value problem. Experimentally observed microstructure is included in calculations in an explicit form. Plastic strain localization and fracture in the matrix and particles were studied.Deformation and fracture of particle-reinforced aluminum-zirconium tungstate metal-matrix composite are experimentally and numerically investigated. The composite material was fabricated using pure aluminum ACD-6 and ZrW2O8 powders mixed in proportions 90% and 10%, respectively. Mechanical tests on compression of the composite specimens were carried out, and the microstructure was investigated before and after the tests. Numerical simulation of the composite deformation was performed in two dimensional formulation of the dynamic boundary-value problem. Experimentally observed microstructure is included in calculations in an explicit form. Plastic strain localization and fracture in the matrix and particles were studied.

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钨酸铝锆复合材料的显微组织和力学性能

对颗粒增强钨酸铝锆金属基复合材料的变形和断裂进行了实验和数值研究。采用纯铝ACD-6和ZrW2O8粉末分别以90%和10%的比例混合制备复合材料。对复合材料试样进行了压缩力学试验，并对试验前后的微观结构进行了研究。采用动态边值问题的二维形式对复合变形进行了数值模拟。实验观察到的微观结构以显式形式包含在计算中。研究了基体和颗粒中的塑性应变局部化和断裂。对颗粒增强钨酸铝锆金属基复合材料的变形和断裂进行了实验和数值研究。采用纯铝ACD-6和ZrW2O8粉末分别以90%和10%的比例混合制备复合材料。对复合材料试样进行了压缩力学试验，并对试验前后的微观结构进行了研究。采用动态边值问题的二维形式对复合变形进行了数值模拟。实验观察到的微观结构以显式形式包含在计算中。研究了基体和颗粒中的塑性应变局部化和断裂。

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PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019

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