Study on Corrosion Mechanism of Ultrafine-grained Cemented Carbide during Wire Cut Electrical Discharge Machining AITranslate
Abstract AITranslate
Ultrafine-grained cemented carbide has good comprehensive physical properties. In this article, corrosion effects and mechanisms of WEDM working liquid on ultrafine-grain cemented carbide were studied by soaking tests of cobalt plate and actual cutting tests of cemented carbide, and SEM and EDX characterization. The results show that both water and triethanolamine in WEDM working liquid can lead to Co accelerated leaching from ultrafine-grained cemented carbide. The stable WC skeleton is destroyed due to the loss of Co binder phase during wire cut electrical discharge machining. At high temperature, W on the surface of ultrafine-grained cemented carbide is oxidized to WO3, and then dissolved into WEDM working fluid in the form of tungstate ion, accelerating the loss of WC in ultrafine-grained cemented carbide.
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Basic Information:
DOI：
Chinese Library Classification Number:TG172[金属学及工艺—金属表面处理]
Citation Information:
Ultrafine-grained cemented carbide has good comprehensive physical properties. In this article, corrosion effects and mechanisms of WEDM working liquid on ultrafine-grain cemented carbide were studied by soaking tests of cobalt plate and actual cutting tests of cemented carbide, and SEM and EDX characterization. The results show that both water and triethanolamine in WEDM working liquid can lead to Co accelerated leaching from ultrafine-grained cemented carbide. The stable WC skeleton is destroyed due to the loss of Co binder phase during wire cut electrical discharge machining. At high temperature, W on the surface of ultrafine-grained cemented carbide is oxidized to WO3, and then dissolved into WEDM working fluid in the form of tungstate ion, accelerating the loss of WC in ultrafine-grained cemented carbide.
quote
| GB/T 7714-2015 | [1] ZHANG Hao-qiang, WANG Li-na, ZHANG Huan, et al. Study on Corrosion Mechanism of Ultrafine-grained Cemented Carbide during Wire Cut Electrical Discharge Machining[J]. Rare Metals and Cemented Carbides, 2013(5): 47-50. |
| MLA | [1] ZHANG Hao-qiang, et al., "Study on Corrosion Mechanism of Ultrafine-grained Cemented Carbide during Wire Cut Electrical Discharge Machining." Rare Metals and Cemented Carbides, no. 5, 2013, pp. 47-50. |
| APA | [1] ZHANG Hao-qiang, WANG Li-na, ZHANG Huan, & JIA Xiao-ming. (2013). Study on Corrosion Mechanism of Ultrafine-grained Cemented Carbide during Wire Cut Electrical Discharge Machining. Rare Metals and Cemented Carbides(5), 47-50. |
| IEEE | [1] ZHANG Hao-qiang, WANG Li-na, ZHANG Huan, and JIA Xiao-ming, "Study on Corrosion Mechanism of Ultrafine-grained Cemented Carbide during Wire Cut Electrical Discharge Machining," Rare Metals and Cemented Carbides, no. 5, pp. 47-50, 2013. keywords: {ultrafine-grained cemented carbide;wire cut electrical discharge machining;WEDM working fluid;corrosion} |