Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报

ZHONGGUO YOUSEJINSHU XUEBAO

第7卷    第2期    总第23期    1997年6月

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文章编号:(1997)02-104-3
立方氮化硼表面镀Ti及其与金属粘结剂的作用
王明智    臧建兵    王艳辉

(燕山大学材料工程系, 秦皇岛 066004)

摘 要:     通过磁控溅射及其后处理等方法在立方氮化硼(简写cBN)表面形成均匀的Ti 镀层。用DTA、XRD、SEM及EPMA等方法研究了镀层与cBN间的界面反应及产物、镀层 与Cu-Co基金属粘结剂之间的作用,并用经不同方法处理的cBN试样有不同的抗弯强度说明了这种作用。结果发现,cBN表面 Ti 镀层只有在与其形成Ti、B、N的化合物后,才能达到cBN与粘结剂的冶金结合,而溅射后真空热处理是实现这一作用的有效方法。

 

关键字:   cBN    Ti镀层    界面    粘结剂

INTERFACE BETWEEN Ti-LADDING cBN AND METAL ALLOY BOND
Wang Mingzhi, Zang Jianbing, Wang Yanhui

Department of Materials Engineering, Yanshan University, Qin huangdao 066004

Abstract:Well-distributed Ti coatings were formed on the surface of cBN grits by means of magnetron sputtering method. DTA, XRD, SEM and EPMA techniques were used to investigate the reaction and compsition of interface between cBN and the coating. Bond strength between coating and bond in the compsite made of Ti-cladding cBN and Cu-Co alloy bond was studied by bend test. Experimental results show that only boride and nitride films are formed on the surfaces of cBN grits, which increases the bond strength between cBN grit and the bond . This effect can be achieved conveniently and economically by using vacuum heat treatment of coated cBN grits.

 

Key words:     cBN    Ti-coating    interface    bond

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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