Surface structure control of ferrous materials by non-equilibrium phases of low temperature plasma treatment

低温等离子体处理非平衡相对黑色金属材料表面结构的控制

• 批准号: 23560873
• 负责人: TSUJIKAWA Masato
• 金额: $ 3.41万
• 依托单位: Osaka Prefecture University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2011
• 资助国家: 日本
• 起止时间: 2011 至 2013
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23560873/
• 关键词: plasma; S phase; stainless steel; nitriding; carburizing; surface hardening; オーステナイトステンレス鋼; 拡散; 表面改質; 硬さ; 耐食性; プラズマ; 表面処理; ステンレス鋼; 浸炭; 窒化; 耐摩耗性; DLC; plasma; S phase; stainless steel; nitriding; carburizing; surface hardening; オーステナイトステンレス鋼; 拡散; 表面改質; 硬さ; 耐食性; プラズマ; 表面処理; ステンレス鋼; 浸炭; 窒化; 耐摩耗性; DLC

A surface hardening method was established for austenitic stainless steels without degradation of anticorrosion properties. It was clarified that the hardening is occurred by the increase of supersaturated interstitial concentration, which expands the lattice, the expansion induces the more super saturation of interstitials. The depth of the hardened surface layer can be thickened by effective additional substitutional elements.Further structure formation was tried by combination of DLC coating. Adhesion of the DLC coating to hardened S phase was clarified. It also clarified that the excess surface condensation formed at the surface of a duplex layer structure by carbon and nitrogen diffusion can be removed effectively by specific Ar plasma irradiation conditions.

为奥氏体不锈钢建立了表面硬化方法，而不会降解抗腐蚀特性。可以澄清的是，硬化是通过超饱和的间隙浓度的增加而发生的，从而扩展了晶格，扩展会引起间隙的超级饱和。硬化表面层的深度可以通过有效的其他替代元件来增厚。通过组合DLC涂层，尝试了形成。阐明了DLC涂层对硬化S相的粘附。它还澄清说，可以通过特定的AR血浆辐照条件有效去除双链层结构表面形成的多余表面凝结。