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1. 发明专利

JP2013023769A Surface hardening method for metal or resin 审中-公开
标题翻译：金属或树脂的表面硬化方法
公开(公告)号：JP2013023769A
公开(公告)日：2013-02-04
申请号：JP2011170515
申请日：2011-07-15
申请人： Plasma Sogo Kenkyusho:Kk , 株式会社プラズマ総合研究所
发明人： ICHIKI RYUSUKE , NAGAMATSU HIROKAZU , YASUMATSU YUTA , IWAO TADANORI , AKAMINE SHUICHI , KANAZAWA SEIJI
IPC分类号： C23C8/38 , B29C71/00 , H05H1/24
摘要： PROBLEM TO BE SOLVED: To provide a method capable of reducing initial investment and maintenance cost of processing line through realization of solid solution treatment of only elemental nitrogen in continuous line processing, and also increasing hardness while keeping ductility through diffusion-solid solution treatment of elemental nitrogen without generating nitride under the atmospheric pressure.SOLUTION: The surface hardening method of material such as metal or resin by pulse-arc type plasma jet is characterized by irradiating pulse-arc type plasma jet on the surface of material to be processed, while adding nitrogen gas as the material gas together with hydrogen gas into a vessel and keeping inside of the vessel at the atmospheric pressure or in a positive pressure state near plus atmospheric pressure. The nitrogen gas flow rate is 1 to 100 L/min, hydrogen gas/nitrogen gas flow rate ratio is 0.1 to 200%, temperature of material processed is ambient temperature to 1,000°C, processing time is 0.01 to 24 hours. The material to be processed are either metals or insulation materials.
摘要翻译：要解决的问题：提供一种能够通过在连续线加工中实现仅有元素氮的固溶处理而减少加工线的初始投资和维护成本的方法，并且还通过扩散 - 固溶体保持延展性来增加硬度在大气压下不产生氮化物处理元素氮。解决方案：通过脉冲电弧式等离子体射流等金属或树脂等材料的表面硬化方法的特征在于，在添加氮气作为原料气体的同时，在被加工材料的表面照射脉冲电弧型等离子体射流连同氢气一起进入容器并在大气压下或在接近加上大气压的正压状态下保持在容器的内部。氮气流量为1〜100L / min，氢气/氮气流量比为0.1〜200％，加工温度为环境温度至1000℃，加工时间为0.01〜24小时。待处理的材料是金属或绝缘材料。版权所有（C）2013，JPO＆INPIT

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