| 摘要 |
A stainless steel coated with an intermetallic compound and excellent in rigidity, toughness, wearing resistance, and corrosion resistance, which comprises a base made of a martensitic stainless steel having a Vickers hardness of 400 or higher and a hard coating whose lower side is tightly adherent to the base while the upper side is exposed. The hard coating has the outermost layer made of any one of a Ti-Ni intermetallic compound, a Ti-Fe intermetallic compound, and a mixture of a Ti-Ni intermetallic compound with a Ti-Cu intermetallic compound. The coated stainless steel is produced by cladding a martensitic stainless steel with titanium or a titanium alloy either directly or through an interlayer made of nickel, iron, or a Ni-Cu alloy to prepare a laminate, holding this laminate at 900 to 1,150‹C for 30 seconds to 5 minutes, and then cooling it at a rate of 1 ‹C/sec or higher. |
