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Effect of Adding Nano Ti(C,N)on Microstructure and Mechanical Properties of Coarse-Grained WC-8Co Cemented Carbides AITranslate

XIONG Xiao; DONG Ding-qian; LIAO Jun; ZHANG Wen-ke; HE Feng-yuan; XUE Tin; XIONG Hui-wen; ZHANG Li
College of Mechanical Engineering,Sichuan University of Science and Technology;College of Mechanical Engineering,Sichuan University of Science and Technology;College of Mechanical Engineering,Sichuan University of Science and Technology;College of Mechanical Engineering,Sichuan University of Science and Technology;College of Mechanical Engineering,Sichuan University of Science and Technology;College of Mechanical Engineering,Sichuan University of Science and Technology;College of Mechanical Engineering,Sichuan University of Science and Technology;College of Mechanical Engineering,Sichuan University of Science and Technology
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Abstract AITranslate

The WC-xTi(C,N)-8Co cemented carbides were prepared by adding Ti(C,N)nanopowder with a particle size of 0.2μm to coarse-grained WC-8Co cemented carbides using low pressure sintering.The phase composition and microstructure of the nano Ti(C,N)-added cemented carbide samples were studied by XRD,SEM and EDS.Additionally,the cobalt magnetism,coercive force,Rockwell hardness and bending strength of the cemented carbides were analyzed and discussed.The results show that the cemented carbides sintered with the addition of nano Ti(C,N)show a typical Ti(C,N)core-ring structure,which improves the hardness of the cemented carbides.However,the trace addition of Ti(C,N)results in a decrease in the mechanical properties of the cemented carbides.The best comprehensive mechanical properties of the cemented carbides are obtained when the addition amount reaches 5%.However,an addition amount exceeding 15%causes the occurance of decarburization phase in the matrix,significantly reducing the bending strength of the cemented carbides.

KeyWords AITranslate

coarse-grained cemented carbide WC-8Co nano Ti(C N) microstructure mechanical property

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Basic Information:

DOI：

Chinese Library Classification Number:TG135.5[一般工业技术—材料科学与工程]

Citation Information:

The WC-xTi(C,N)-8Co cemented carbides were prepared by adding Ti(C,N)nanopowder with a particle size of 0.2μm to coarse-grained WC-8Co cemented carbides using low pressure sintering.The phase composition and microstructure of the nano Ti(C,N)-added cemented carbide samples were studied by XRD,SEM and EDS.Additionally,the cobalt magnetism,coercive force,Rockwell hardness and bending strength of the cemented carbides were analyzed and discussed.The results show that the cemented carbides sintered with the addition of nano Ti(C,N)show a typical Ti(C,N)core-ring structure,which improves the hardness of the cemented carbides.However,the trace addition of Ti(C,N)results in a decrease in the mechanical properties of the cemented carbides.The best comprehensive mechanical properties of the cemented carbides are obtained when the addition amount reaches 5%.However,an addition amount exceeding 15%causes the occurance of decarburization phase in the matrix,significantly reducing the bending strength of the cemented carbides.

quote

GB/T 7714-2015 [1] XIONG Xiao, DONG Ding-qian, LIAO Jun, et al. Effect of Adding Nano Ti(C,N)on Microstructure and Mechanical Properties of Coarse-Grained WC-8Co Cemented Carbides[J]. Rare Metals and Cemented Carbides, 2023(5): 96-103.
MLA [1] XIONG Xiao, et al., "Effect of Adding Nano Ti(C,N)on Microstructure and Mechanical Properties of Coarse-Grained WC-8Co Cemented Carbides." Rare Metals and Cemented Carbides, no. 5, 2023, pp. 96-103.
APA [1] XIONG Xiao, DONG Ding-qian, LIAO Jun, ZHANG Wen-ke, HE Feng-yuan, XUE Tin, XIONG Hui-wen, & ZHANG Li. (2023). Effect of Adding Nano Ti(C,N)on Microstructure and Mechanical Properties of Coarse-Grained WC-8Co Cemented Carbides. Rare Metals and Cemented Carbides(5), 96-103.
IEEE [1] XIONG Xiao, DONG Ding-qian, LIAO Jun, ZHANG Wen-ke, HE Feng-yuan, XUE Tin, XIONG Hui-wen, and ZHANG Li, "Effect of Adding Nano Ti(C,N)on Microstructure and Mechanical Properties of Coarse-Grained WC-8Co Cemented Carbides," Rare Metals and Cemented Carbides, no. 5, pp. 96-103, 2023. keywords: {coarse-grained cemented carbide;WC-8Co;nano Ti(C,N);microstructure;mechanical property}