期刊
WEAR
卷 264, 期 11-12, 页码 1026-1034出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.wear.2007.08.006
关键词
aluminium/SiCp; dry sliding wear; powder metallurgy; metal matrix composites; analysis of variance
This paper reports the dry sliding wear behaviour of AA7075 aluminium/SiC, composites fabricated by powder metallurgy technique. Five factors, five levels, central composite, rotable design matrix is used to optimize the required number of experiments. The wear test has been conducted in a pin-on-roller wear testing machine, under constant sliding distance of 1 km. An attempt has been made to develop a mathematical model by response surface method (RSM). Analysis of variance (ANOVA) technique is applied to check the validity of the developed model. Student's t-test is utilised to find out the significance of factors. The effects of volume percentage of reinforcement, particle size of reinforcement, applied load, sliding speed and hardness of counter part materials on dry sliding wear behaviour of AA7075 aluminium/SiCp have been analysed in detail. (c) 2007 Elsevier B.V. All rights reserved.
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