Effect of sintering temperature on microstructure and selected properties of spark plasma sintered Al-SiC composites

被引：58

作者：

Leszczynska-Madej, Beata ^{[1
]}

Garbiec, Dariusz ^{[2
]}

Madej, Marcin ^{[3
]}

机构：

[1] AGH Univ Sci & Technol, Fac Non Ferrous Met, Dept Mat Sci & Nonferrous Met Engn, Mickiewicza 30 Ave, PL-30059 Krakow, Poland

[2] Met Forming Inst, Jana Pawla II 14, PL-61139 Poznan, Poland

[3] AGH Univ Sci & Technol, Fac Met Engn & Ind Comp Sci, Dept Phys & Powder Met, Mickiewicza 30 Ave, PL-30059 Krakow, Poland

来源：

VACUUM | 2019年 / 164卷

关键词：

Powder metallurgy; Spark plasma sintering; Al - SiC composites; Microstructure; Hardness; MECHANICAL-PROPERTIES; REINFORCEMENT; PARTICLES;

D O I：

10.1016/j.vacuum.2019.03.033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The paper presents the results of study of microstructure and selected properties of spark plasma sintered Al matrix composites reinforced with 2 mu m SiC particles. Composites with contents of 10, 20 and 30 wt % SiC were prepared. The sintering process was carried out by means of an HP D 25-3 furnace, using two sintering temperatures: 580 degrees C and 600 degrees C. As the reference material, pure Al was sintered under the same conditions. Composites with a near full density of 97-99% were obtained. The test results did not show a remarkable difference in the microstructure of the composites reinforced with SiC particles sintered at 580 degrees C and 600 degrees C. The microstructure of the sintered compacts consists of uniform grains, the SiC strengthening phase particles locate on the grain boundaries. The use of a higher sintering temperature had a positive effect on hardness and the bending strength of the tested materials.

引用

页码：250 / 255

页数：6

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