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    • 6. 发明专利
    • Method for forming hard sprayed coating onto surface of steel stock, hard sprayed coating-coated steel stock, and cutter using hard sprayed coating-coated steel stock
    • 在硬钢表面形成硬涂层的方法,硬喷涂涂层钢和使用硬喷涂涂层钢板切割的方法
    • JP2008261040A
    • 2008-10-30
    • JP2007106552
    • 2007-04-13
    • Amc:Kk株式会社Amc
    • MIZUNO MASAABE GENRYU
    • C23C4/18C21D6/00C21D9/22C22C29/02C23C4/04
    • PROBLEM TO BE SOLVED: To provide a method for forming a hard sprayed coating onto the surface of a steel stock, a hard sprayed coating-coated steel stock and a cutter using the hard sprayed coating-coated steel stock, particularly, to provide a hard sprayed coating-coated steel stock requiring high adhesive strength between a hard coating having wear resistance and a base material for being used in a high load state, a cutter using the hard sprayed coating-coated steel stock, and an advantageous production method therefor.
      SOLUTION: The method for forming a hard sprayed coating comprises: a first stage where thermal spraying is applied to the surface of a steel stock, so as to form a sprayed coating; and a second stage where the spraying coating-coated steel stock is heated, so as to form a substitution type solid solution layer between the steel stock and the sprayed coating, and further, the steel stock is subjected to quenching treatment. Further, in a hard sprayed coating-coated steel stock and a cutter using the hard sprayed coating-coated steel stock, the substitution type solid solution layer formed between the surface of the steel stock and the hard sprayed coating imparts a metallurgical bond, thus the hard sprayed coating has excellent adhesion.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种在钢材表面上形成硬喷涂涂层的方法,使用硬喷涂涂层钢坯料的硬喷涂涂层钢坯料和切割机,特别是 提供在具有耐磨性的硬质涂层和用于高负载状态的基材之间需要高粘合强度的硬喷涂涂层钢坯,使用硬喷涂涂层钢坯的刀具和有利的制造方法 为此。 解决方案:用于形成喷涂涂层的方法包括:对钢材表面施加热喷涂的第一阶段,以形成喷涂涂层; 以及第二阶段,其中喷涂涂层钢坯被加热,以便在钢坯和喷涂涂层之间形成取代型固溶层,此外对钢坯进行淬火处理。 此外,在硬喷涂涂层钢坯料和使用硬喷涂涂层钢坯料的刀具中,形成在钢坯表面和硬喷涂涂层之间的取代型固溶层赋予冶金结合,因此, 硬喷涂具有优异的附着力。 版权所有(C)2009,JPO&INPIT