发明名称 |
VERBUNDDIAMANTSCHLEIFMITTEL, VERFAHREN ZUR HERSTELLUNG UND DAMIT EINGERICHTETE BOHR- ODER VERARBEITUNGSWERKZEUGE. |
摘要 |
This abrasive product is of the type in which the active part consists of a sintered product comprising grains of diamond, each grain being linked directly to its neighbouring grains by bridging in order to have a polycrystalline structure, associated with a support essentially consisting of tungsten carbide. …<??>According to the invention, the tungsten carbide support comprises a chromium binder phase representing from 6 to 15% by volume of the carbide; the relative proportions by weight of nickel and chromium in the binder phase vary within a range from 60 to 90% and from 40 to 100%. …<??>The process for manufacturing this product consists:… - in placing in a crucible a layer of grains of diamond which is intended to constitute the active layer of the product;… - in placing on the layer thus formed a layer of tungsten carbide to which a nickel-chromium mixture is added, intended to constitute the support;… - in subjecting the layer arrangement thus formed to a temperature and a pressure which are sufficient to cause the plastic-phase sintering of the grains of diamond and to bind the compact thus obtained to the support. …<??>Drilling or machining tools equipped with the composite diamond- impregnated abrasive product according to the invention. |
申请公布号 |
DE3864240(D1) |
申请公布日期 |
1991.09.19 |
申请号 |
DE19883864240 |
申请日期 |
1988.11.16 |
申请人 |
SOCIETE INDUSTRIELLE DE COMBUSTIBLE NUCLEAIRE, ANNECY, FR |
发明人 |
CERCEAU, JEAN-MICHEL, F-38130 SEYSSINET, FR |
分类号 |
B24D3/00;(IPC1-7):B24D3/06 |
主分类号 |
B24D3/00 |
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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