Effects of Mo Addition on Microstructure and Properties of WC-6Co Cemented Carbides AITranslate
Abstract AITranslate
WC-6 Co cemented carbides with different Mo contents were fabricated by SPS.The phase composition,microstructure and mechanical properties of the alloy were analyzed by XRD,SEM and frictional wear machine.The electrochemical corrosion behavior of the alloy was analyzed by potentiodynamic polarization curves.And thus effects of Mo on the microstructure,hardness,wear resistance and corrosion resistance of the alloy were studied.The results show that Mo addition can effectively suppress the growth of WC grains and increase the hardness of the alloy.However,with the increase of Mo content,the relative density of the alloy gradually decreases,its hardness increases at first and then decreases,and its wear resistance also decreases.The corrosion resistance of the alloy in acid solution can be effectively enhanced by Mo addition.The alloy is more susceptible to corrosion by hydrochloric acid,but SO4^2- is more aggressive than Cl^- to corrode the alloy.The corrosion current density of the alloy in sulfuric acid is greater,and the corrosion rate is faster.
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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 carbides with different Mo contents were fabricated by SPS.The phase composition,microstructure and mechanical properties of the alloy were analyzed by XRD,SEM and frictional wear machine.The electrochemical corrosion behavior of the alloy was analyzed by potentiodynamic polarization curves.And thus effects of Mo on the microstructure,hardness,wear resistance and corrosion resistance of the alloy were studied.The results show that Mo addition can effectively suppress the growth of WC grains and increase the hardness of the alloy.However,with the increase of Mo content,the relative density of the alloy gradually decreases,its hardness increases at first and then decreases,and its wear resistance also decreases.The corrosion resistance of the alloy in acid solution can be effectively enhanced by Mo addition.The alloy is more susceptible to corrosion by hydrochloric acid,but SO4^2- is more aggressive than Cl^- to corrode the alloy.The corrosion current density of the alloy in sulfuric acid is greater,and the corrosion rate is faster.
quote
| GB/T 7714-2015 | [1] YAN Wei, WANG Shui-long, GUO Sheng-da, et al. Effects of Mo Addition on Microstructure and Properties of WC-6Co Cemented Carbides[J]. Rare Metals and Cemented Carbides, 2020(4): 73-78. |
| MLA | [1] YAN Wei, et al., "Effects of Mo Addition on Microstructure and Properties of WC-6Co Cemented Carbides." Rare Metals and Cemented Carbides, no. 4, 2020, pp. 73-78. |
| APA | [1] YAN Wei, WANG Shui-long, GUO Sheng-da, GUO Jian-feng, HUANG Xing, CHEN Hao, LI Lv-da, & CAO Sai-peng. (2020). Effects of Mo Addition on Microstructure and Properties of WC-6Co Cemented Carbides. Rare Metals and Cemented Carbides(4), 73-78. |
| IEEE | [1] YAN Wei, WANG Shui-long, GUO Sheng-da, GUO Jian-feng, HUANG Xing, CHEN Hao, LI Lv-da, and CAO Sai-peng, "Effects of Mo Addition on Microstructure and Properties of WC-6Co Cemented Carbides," Rare Metals and Cemented Carbides, no. 4, pp. 73-78, 2020. keywords: {WC-6Co cemented carbide;Mo addition;microstructure;mechanical property;corrosion resis-tance} |