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Thermodynamics Analysis of Oxidation Wear Behavior of Cemented Carbide Tools in High Speed Machining

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【作者】邵芳；

【Author】 SHAO Fang1,2,LIU Zhanqiang2,WAN Yi1 (1. Binzhou Vacational College,Binzhou 250063,China; 2. School of Mechanical Engineering,Shandong University,Jinan 250061,China)

【机构】 Binzhou Vacational College； School of Mechanical Engineering,Shandong University；

【摘要】 The essence of oxidation wear machanism of cenmented carbide tool was studied based on thermodynamics. Standard Gibbs free energy of possible reactions in cutting process at different temperature was calculated using substance Gibbs free energy function methods, and the sequence of reaction possibility order was researched as well as characteristics of every reaction. Theoretical calculation shows that WO3, Co3O4, TiO2 and CoWO4 are the main resultants, which are proved with the experiment results.更多还原

【Abstract】 The essence of oxidation wear machanism of cenmented carbide tool was studied based on thermodynamics. Standard Gibbs free energy of possible reactions in cutting process at different temperature was calculated using substance Gibbs free energy function methods, and the sequence of reaction possibility order was researched as well as characteristics of every reaction. Theoretical calculation shows that WO3, Co3O4, TiO2 and CoWO4 are the main resultants, which are proved with the experiment results.更多还原

【关键词】 thermodynamics； carbide tool； high speed machining； oxidation wear；
【Key words】 thermodynamics； carbide tool； high speed machining； oxidation wear；

【基金】 Funded by the National Natural Science Foundation of China(50705052);Doctoral Degree Fund of Education Ministry (20070422032)

【文献出处】 Journal of Wuhan University of Technology(Materials Science Edition) ,武汉理工大学学报(材料科学版)(英文版) , 编辑部邮箱 ,2009年06期

【分类号】TG711
【被引频次】2
【下载频次】62

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