发明名称 |
High-strength tungsten carbide material for use in earth-boring bits |
摘要 |
A sintered hard metal compact for use in earth-boring bits comprises 80 to 94% by weight tungsten carbide particles, 5.4 to 18% by weight cobalt particles and 0.6 to 2.0% by weight nickel particles wherein the ratio of cobalt to nickel is approximately 9:1 by weight. These materials are formed according to conventional powder-metallurgy techniques to provide a hard, sintered compact for use in earth-boring bits having superior properties for drilling applications.
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申请公布号 |
US5281260(A) |
申请公布日期 |
1994.01.25 |
申请号 |
US19920843823 |
申请日期 |
1992.02.28 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
KUMAR, ANIL;PELTY, LARRY P. |
分类号 |
C22C29/08;E21B10/52;(IPC1-7):C22C29/08 |
主分类号 |
C22C29/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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