Effects of Quenching and Cryogenic Cooling Treatment on Microstructure and Mechanical Properties of Carburized Cemented Carbides AITranslate
Abstract AITranslate
Taking WC-8%Co carburized cemented carbide as the research object,it is quenched and cryogenically cooled after re-firing by hydrogen decarburization process with filling method.Metallographic microstructure,HRA hardness,coercivity,transverse fracture strength and other physical and mechanical pro-perties of cemented carbide samples were tested and analyzed.And the influences of quenching and cryogenic cooling processes on the mechanical properties and microstructure of re-fired cemented carbides were studied.The results show that both quenching and cryogenic cooling can increase the transverse fracture strength of re-fired cemented carbides(by 35.26%and 11.54%,respectively),refine their WC grains,and reduce the average WC grain size by 6.28%and 5.86%,respectively,but they cannot effectively eliminate the pores and non-combined carbon in the microstructure of re-fired cemented carbides.
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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:
Taking WC-8%Co carburized cemented carbide as the research object,it is quenched and cryogenically cooled after re-firing by hydrogen decarburization process with filling method.Metallographic microstructure,HRA hardness,coercivity,transverse fracture strength and other physical and mechanical pro-perties of cemented carbide samples were tested and analyzed.And the influences of quenching and cryogenic cooling processes on the mechanical properties and microstructure of re-fired cemented carbides were studied.The results show that both quenching and cryogenic cooling can increase the transverse fracture strength of re-fired cemented carbides(by 35.26%and 11.54%,respectively),refine their WC grains,and reduce the average WC grain size by 6.28%and 5.86%,respectively,but they cannot effectively eliminate the pores and non-combined carbon in the microstructure of re-fired cemented carbides.
quote
| GB/T 7714-2015 | [1] ZHENG Qing-hong, AO Xiao-long, XIN Hai-yan, et al. Effects of Quenching and Cryogenic Cooling Treatment on Microstructure and Mechanical Properties of Carburized Cemented Carbides[J]. Rare Metals and Cemented Carbides, 2021(1): 88-91. |
| MLA | [1] ZHENG Qing-hong, et al., "Effects of Quenching and Cryogenic Cooling Treatment on Microstructure and Mechanical Properties of Carburized Cemented Carbides." Rare Metals and Cemented Carbides, no. 1, 2021, pp. 88-91. |
| APA | [1] ZHENG Qing-hong, AO Xiao-long, XIN Hai-yan, HUANG Wei, & LIN Ying-mei. (2021). Effects of Quenching and Cryogenic Cooling Treatment on Microstructure and Mechanical Properties of Carburized Cemented Carbides. Rare Metals and Cemented Carbides(1), 88-91. |
| IEEE | [1] ZHENG Qing-hong, AO Xiao-long, XIN Hai-yan, HUANG Wei, and LIN Ying-mei, "Effects of Quenching and Cryogenic Cooling Treatment on Microstructure and Mechanical Properties of Carburized Cemented Carbides," Rare Metals and Cemented Carbides, no. 1, pp. 88-91, 2021. keywords: {cemented carbide;carburizing;hydrogen decarburization;re-firing;quenching;cryogenic cooling;microstructure;mechanical property} |