| 摘要 |
PROBLEM TO BE SOLVED: To provide an abrasion protective layer having an excellent abrasion resistance in the case of a simple fabrication, particularly in the case of the so-called dry machining and in the case of a minimal quantity lubrication machining. SOLUTION: The abrasion protective layer consists of nitride of chromium, titanium and aluminum, substantially, containing a very high proportion of chromium atom, i.e., 30 to 60%, to the whole metal atoms. COPYRIGHT: (C)2004,JPO |
