Processing and properties of particulate reinforced steel matrix composites

被引：266

作者：

Pagounis, E ^{[1
]}

Lindroos, VK ^{[1
]}

机构：

[1] Helsinki Univ Technol, Met Phys & Sci Mat Lab, FIN-02150 Espoo, Finland

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1998年 / 246卷 / 1-2期

关键词：

steel matrix composites; stainless steel; tool steel; HIP; mechanical properties; corrosion properties;

D O I：

10.1016/S0921-5093(97)00710-7

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Metal matrix composites are an attractive choice for aerospace and automotive applications because of their high stiffness-to-weight ratio. Composites with aluminum and magnesium matrices have been investigated extensively, while less work has been carried out on steel matrix composites. In the present study the hot isostatic pressing (HIP) process of steel matrix composites is described, and the factors influencing the reinforcement distribution, interface processes, as well as the mechanical and corrosion properties, are revealed. Both stainless steels and tool steels were used as the matrix material, and the particulate reinforcements were Al2O3, TiC, Cr3C2, or TiN. The results are compared with those of the corresponding unreinforced alloys and also with those of aluminum and magnesium matrix composites. It was found that the incorporation of a relatively low volume fraction of ceramic particulate reinforcements significantly increases the wear resistance of the steel matrices, without deteriorating the corrosion properties. On the other hand, reductions in the tensile strength, ductility and toughness were observed. The superaustenitic stainless steel-TiN and hot work tool steel-Cr3C2 composites may offer the best combination of properties. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：221 / 234

页数：14

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