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Effects of Grain-growth Inhibitors on the Properties of Ultrafine WC-8%Co Cemented Carbide AITranslate

Xiamen Jinlu Special Alloy Co., Ltd.
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Publisher: Editorial Office of Rare Metals and Cemented Carbides
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Abstract AITranslate

The effects of VC and Cr3C2 inhibitors against grain growth on the metallographical structure and mechanical property of ultrafine WC-8%Co cemented carbide were investigated systematically, and the two inhibitors were added separately or together. The results show that the hardness of WC-8%Co increases with the more dosage of inhibitors,but corresponding inhibitor composition point exists with the maximum bend strength and fracture toughness. WC-8%Co-0.2%VC-0.6 %Cr3C2 ,obtained by adding VC and Cr3C2 together,is of excellent comprehensive performance,and its HRA hardness is 92.9 ,bend strength σbb 4 370 MPa and fracture toughness KIC 9.1 MN^3.2.

KeyWords AITranslate

ultrafine cemented carbide WC-8%Co grain-growth inhibitor VC Cr3C2 mechanical property

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Basic Information:

DOI:

Chinese Library Classification Number:TF125.3[冶金工程—粉末冶金]

Citation Information:

The effects of VC and Cr3C2 inhibitors against grain growth on the metallographical structure and mechanical property of ultrafine WC-8%Co cemented carbide were investigated systematically, and the two inhibitors were added separately or together. The results show that the hardness of WC-8%Co increases with the more dosage of inhibitors,but corresponding inhibitor composition point exists with the maximum bend strength and fracture toughness. WC-8%Co-0.2%VC-0.6 %Cr3C2 ,obtained by adding VC and Cr3C2 together,is of excellent comprehensive performance,and its HRA hardness is 92.9 ,bend strength σbb 4 370 MPa and fracture toughness KIC 9.1 MN^3.2.

quote

GB/T 7714-2015 [1] SUN Dong-ping. Effects of Grain-growth Inhibitors on the Properties of Ultrafine WC-8%Co Cemented Carbide[J]. Rare Metals and Cemented Carbides, 2009(2): 7-11.
MLA [1] SUN Dong-ping. "Effects of Grain-growth Inhibitors on the Properties of Ultrafine WC-8%Co Cemented Carbide." Rare Metals and Cemented Carbides, no. 2, 2009, pp. 7-11.
APA [1] SUN Dong-ping. (2009). Effects of Grain-growth Inhibitors on the Properties of Ultrafine WC-8%Co Cemented Carbide. Rare Metals and Cemented Carbides(2), 7-11.
IEEE [1] SUN Dong-ping, "Effects of Grain-growth Inhibitors on the Properties of Ultrafine WC-8%Co Cemented Carbide," Rare Metals and Cemented Carbides, no. 2, pp. 7-11, 2009. keywords: {ultrafine cemented carbide;WC-8%Co;grain-growth inhibitor;VC;Cr3C2;mechanical property}