OPTIMIZING MICROSTRUCTURE IN SPRAY-FORMED AND SQUEEZE-CAST METAL MATRIX COMPOSITES

被引:9
作者
CANTOR, B
机构
[1] Oxford Centre for Advanced Materials and Composites, Department of Materials, Oxford University, Oxford, OX1 3PH, Parks Road
来源
JOURNAL OF MICROSCOPY-OXFORD | 1993年 / 169卷
关键词
MICROSTRUCTURE; METAL MATRIX COMPOSITE; AL ALLOY; TI ALLOY; SIC FIBER; SIC PARTICULATE; AL2O3; FIBER; SPRAY-FORMING; SQUEEZE-CASTING;
D O I
10.1111/j.1365-2818.1993.tb03285.x
中图分类号
TH742 [显微镜];
学科分类号
摘要
This paper discusses the methods of optimizing microstructure in the manufacture of spray-formed and squeeze-cast Al- and Ti-based metal-matrix composites (MMCs) for a range of automotive and aerospace applications, Three specific MMC material/process/product combinations are considered: spray-formed/extruded Al alloy/SiC particulate-reinforced MMCs for aerospace structural components; squeeze-cast Al alloy/SiC particulate- and Al2O3 fibre-reinforced MMCs for automotive components; and spray-formed/diffusion-bonded Ti alloy/SiC fibre-reinforced MMCs for aeroengine components. Important features, which are emphasized in each case, are (i) using specific end applications to define desirable property and therefore microstructural goals; (ii) understanding the underlying process physics to control the resulting mechanisms of microstructural development; and (iii) using numerical modelling and associated experimental validation to allow subsequent implementation of process control systems.
引用
收藏
页码:97 / 108
页数:12
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