| 摘要 |
PROBLEM TO BE SOLVED: To provide a surface treatment method for a base material where, at the time when the surface of a base material is coated with a boride, the further strengthening of its erosion resistance is attained. SOLUTION: In the method for surface treatment method for a base material, at least one among chromium, aluminum, sulfur, nitrogen and carbon are selected, so as to be combined into a base material, then, pack cementation treatment is performed, and thereafter, boronizing treatment is performed. COPYRIGHT: (C)2006,JPO&NCIPI
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