Mechanical properties of Mg based composites reinforced with B, AlB2 and MgB2

被引：0

作者：

Nishiyama, Katsuhiro ^{[1
]}

Ogawa, Toshiharu ^{[1
]}

Takagi, Kenichi ^{[1
]}

Omori, Mamoru ^{[1
]}

Umekawa, Sokichi ^{[1
]}

机构：

[1] Science Univ of Tokyo, Yamazaki Noda, Japan

来源：

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy | 1994年 / 41卷 / 02期

关键词：

Borides - Boron - Composition effects - Corrosion resistance - Dispersions - Hardness - Hot pressing - Magnesium printing plates - Particles (particulate matter) - Strength of materials - Strengthening (metal) - Wear resistance;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Production conditions and mechanical properties of magnesium based composites reinforced with aluminum diboride (AlB2), magnesium diboride (MgB2) and amorphous boron of several contents up to 50 vol% were investigated. These composites were produced by hot-pressing at a temperature of 853 K and under a pressure of 60 MPa in argon. The added boride particles dispersed fairly well in magnesium matrix. The addition of these borides improved the mechanical properties of the magnesium composites. Especially the bending strength of the Mg-AlB2 increased to a maximum value of 406 MPa at 15 vol%AlB2. The increase in strength was presumably attributed to a particle dispersion strengthening mechanism in the composites. Other mechanical properties of the composites, such as high temperature hardness, wear resistance and corrosion resistance, were also improved by the addition of the borides.

引用

页码：156 / 161

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