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《Special Casting & Nonferrous Alloys》 2018-09
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Microstructure and Properties of Diamond/Cu Composites Fabricated by Spark Plasma Sintering

Long Wenyuan;Liu Xuan;College of Aeronautical Manufacuring Engineering,Nanchang Hangkong University;  
The diamond/Cu composites were fabricated by spark plasma sintering(SPS).The effects of diamond particles on the relative density,thermal conductivity,tensile strength and elongation of the composites were analyzed.The results show that with the increase of diamond content,the relative density,thermal conductivity,tensile strength and elongation of the diamond/copper composites are increased firstly and then decreased.With the diamond content of 1.0%,the tensile strength of the composite can reach the maximum value of 221.35 MPa.The maximum density can be obtained with the diamond content of 1.5%,and the thermal conductivity and elongation reach the maximum value when the diamond content is 2.0%.The fractures of diamond/copper matrix composites are characterized by ductile fracture and interfacial debonding.
【CateGory Index】: TB33
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