Effects of Powder Raw Materials on Microstructure and Properties of WC-6Co Cemented Carbide Prepared by SPS AITranslate
Abstract AITranslate
WC-6 Co cemented carbide was prepared by spark plasma sintering using WC-6 Co composite powder with different morphology and WC-6 Co mixed powder prepared by traditional wet milling as raw materials.The microstructure,mechanical and physical properties of the cemented carbide were characterized by SEM,microhardness tester,densitometer,cobalt magnetometer and coercive magnetometer.The results show that there are many residual pores in WC-6 Co cemented carbide with density of only 14.21 g/cm3 prepared by SPS and using the spherical composite powder prepared by spray conversion,low-temperature calcination and in-situ synthesis as the raw material.The density of the alloy prepared by wet milling of spherical composite powder for 48 hslightly increases,but its hardness and toughness are lower.The microstructure is uniform and the porosity is reduced of the alloy prepared by SPS and using the loose WC-6 Co composite powder prepared by spray conversion,low-temperature calcination,short time ball milling and in-situ synthesis or WC-6 Co mixed powder prepared by traditional wet milling as raw materials,respectively.The densities of the two groups of alloys increase to 14.77 g/cm3 and 14.73 g/cm3,the microhardnesses increase to 2 045 kg/mm2 and 1 929 kg/mm2,and the toughnesses are 8.76 MPa/m1/2 and 9.29 MPa/m1/2,respectively.
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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:
WC-6 Co cemented carbide was prepared by spark plasma sintering using WC-6 Co composite powder with different morphology and WC-6 Co mixed powder prepared by traditional wet milling as raw materials.The microstructure,mechanical and physical properties of the cemented carbide were characterized by SEM,microhardness tester,densitometer,cobalt magnetometer and coercive magnetometer.The results show that there are many residual pores in WC-6 Co cemented carbide with density of only 14.21 g/cm3 prepared by SPS and using the spherical composite powder prepared by spray conversion,low-temperature calcination and in-situ synthesis as the raw material.The density of the alloy prepared by wet milling of spherical composite powder for 48 hslightly increases,but its hardness and toughness are lower.The microstructure is uniform and the porosity is reduced of the alloy prepared by SPS and using the loose WC-6 Co composite powder prepared by spray conversion,low-temperature calcination,short time ball milling and in-situ synthesis or WC-6 Co mixed powder prepared by traditional wet milling as raw materials,respectively.The densities of the two groups of alloys increase to 14.77 g/cm3 and 14.73 g/cm3,the microhardnesses increase to 2 045 kg/mm2 and 1 929 kg/mm2,and the toughnesses are 8.76 MPa/m1/2 and 9.29 MPa/m1/2,respectively.
quote
| GB/T 7714-2015 | [1] GUO Sheng-da, YU Fei, YI Jian-hong, et al. Effects of Powder Raw Materials on Microstructure and Properties of WC-6Co Cemented Carbide Prepared by SPS[J]. Rare Metals and Cemented Carbides, 2019(3): 79-85. |
| MLA | [1] GUO Sheng-da, et al., "Effects of Powder Raw Materials on Microstructure and Properties of WC-6Co Cemented Carbide Prepared by SPS." Rare Metals and Cemented Carbides, no. 3, 2019, pp. 79-85. |
| APA | [1] GUO Sheng-da, YU Fei, YI Jian-hong, GUO Jian-feng, CHEN Hao, WANG Wen-jing, & YANG Jian-gao. (2019). Effects of Powder Raw Materials on Microstructure and Properties of WC-6Co Cemented Carbide Prepared by SPS. Rare Metals and Cemented Carbides(3), 79-85. |
| IEEE | [1] GUO Sheng-da, YU Fei, YI Jian-hong, GUO Jian-feng, CHEN Hao, WANG Wen-jing, and YANG Jian-gao, "Effects of Powder Raw Materials on Microstructure and Properties of WC-6Co Cemented Carbide Prepared by SPS," Rare Metals and Cemented Carbides, no. 3, pp. 79-85, 2019. keywords: {WC-6Co cemented carbide;spark plasma sintering;ball milling;microstructure;property} |