发明名称 |
Method for removing carbon from cemented tungsten carbide articles |
摘要 |
A method is disclosed for removing carbon from the surface of a cemented tungsten carbide article which comprises contacting a cemented tungsten carbide article with an aqueous solution of hydrogen peroxide having a concentration of at least about 5% by volume hydrogen perioxide for a sufficient length of time to remove the major portion of the carbon from the surfaces of the article.
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申请公布号 |
US5045121(A) |
申请公布日期 |
1991.09.03 |
申请号 |
US19910649328 |
申请日期 |
1991.02.04 |
申请人 |
GTE PRODUCTS CORPORATION |
发明人 |
HOFFMAN, TIMOTHY J.;MENDENHALL, ROBERT G.;CHERESNOWSKY, MICHAEL J. |
分类号 |
B22F3/24;C04B41/53;C04B41/91;C09K13/00;C22C1/05;C22C29/08 |
主分类号 |
B22F3/24 |
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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