Warm compaction of Al2O3 particulate reinforced powder metallurgy iron-base composite
来源期刊：中国有色金属学报(英文版)2002年第5期
论文作者：倪东惠 陈维平 肖志瑜 邵明 张双益
文章页码：886 - 889
Key words：warm compaction；powder metallurgy；Al2O3 particulate reinforced iron-base composite; mechanical property
Abstract: Mechanical properties of the warm compacted alumina particulate reinforced powder metallurgy composite materials was compared with those of the materials obtained by conventional cold compaction. Factors affecting the properties of the warm compacted material such as compaction temperature, lubricant content and alumina content were studied. A 3%(mass fraction) alumina particulate reinforced iron-base composite with a green density of 7.0g/cm3 can be obtained by pressing the powder with a pressure of 700MPa at 175℃. The sintered materials have a density of 6.88g/cm3, a tensile strength of 512MPa and an elongation of 1.3%. Results show that as alumina content increases, density and mechanical properties of the composite decrease.
基金信息：the National Natural Science Foundation of China
