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《China Mechanical Engineering》 2018-07
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Effects of Induction Brazing Temperature on Grinding Performances of CBN Grinding Wheels

REN Huizhong;LI Qilin;LEI Weining;DING Kai;ZHANG Suorong;College of Mechanical Engineering,Jiangsu University of Technology;  
CBN grinding wheels were made under the conditions of different brazing temperatures by ultra-high frequency induction brazing.The new compound morphologies were observed and analyzed by scanning electron microscope(SEM)and energy disperse spectroscope(EDS).The grinding performances of the brazed CBN wheels were evaluated by comparing with the electroplated CBN wheels.The results show that,N,B and Ti three elements were contained and formed at CBN interfaces,active element Ti was diffused and the chemical reactions occured with elements N and B.The grinding forces and the grinding specific energy of the CBN brazed wheel were smaller and abrasive surfaces were covered by compounds when the induction brazing temperature was as 940℃.The wear forms of electroplated CBN wheels and induction brazing CBN wheels were compared under the same grinding parameters,the phenomena indicate the wear forms of electroplated CBN wheels caused by the adhension and the wear forms of induction brazing CBN wheel caused by the fracture.
【Fund】: 江苏省自然科学基金资助项目(BK20161198);; 常州市应用基础研究计划资助项目(CJ20160039);; 常州市科技支撑计划资助项目(CE20155058);; 江苏理工学院社科基金资助项目(KYY16506)
【CateGory Index】: TG743
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