Study on Tribological Behaviour of Al/SiC/MoS2 Hybrid Metal Matrix Composites in High Temperature Environmental Condition

被引:54
作者
Daniel, S. Ajith Arul [1 ]
Sakthivel, M. [1 ]
Gopal, P. M. [2 ]
Sudhagar, S. [1 ]
机构
[1] Anna Univ Reg Campus Coimbatore, Dept Mech Engn, Coimbatore 641046, Tamil Nadu, India
[2] Karpagam Acad Higher Educ, Dept Mech Engn, Coimbatore 641021, Tamil Nadu, India
关键词
High temperature; Wear rate; Friction coefficient; Silicon carbide; Molybdenum disulphide; SLIDING WEAR BEHAVIOR; MECHANICAL-PROPERTIES; AL COMPOSITES; MICROSTRUCTURE; FRICTION; REINFORCEMENT; FABRICATION; GRAPHITE;
D O I
10.1007/s12633-017-9739-2
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The current study investigates the tribological behaviour of aluminium hybrid composite reinforced with SiC and MoS2 at various temperature environments. The hybrid metal matrix composites have been fabricated through compo casting method by reinforcing different sizes of SiC (10, 20, 40 mu m) at various weight fractions (5%, 10% & 15%) with 5059 aluminium alloy, meanwhile the addition of Molybdenum disulphide (MoS2 ) is fixed at 2%. Tribological behaviour of composites was evaluated based on wear loss and friction coefficient by using pin on disc apparatus. Along with particle size and weight percentage of SiC, load, sliding velocity, sliding distance and temperature were considered as process parameters and L-27 orthogonal array was selected to perform the experiments. Through Taguchi and Analysis of Variance (ANOVA) method optimum sliding condition for reduced wear loss and the significance of each parameter on wear behaviour of the composite were identified. Temperature and load predominantly affects the tribological behaviour of aluminium hybrid composite. It was found that the wear resistance is high when smaller particles were reinforced at maximum percentage (15%) and the results were supported with worn surface SEM images.
引用
收藏
页码:2129 / 2139
页数:11
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