JP5294751B2 - 金属炭化物表面層の形成方法、金属炭化物表面層 - Google Patents
金属炭化物表面層の形成方法、金属炭化物表面層 Download PDFInfo
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- JP5294751B2 JP5294751B2 JP2008206454A JP2008206454A JP5294751B2 JP 5294751 B2 JP5294751 B2 JP 5294751B2 JP 2008206454 A JP2008206454 A JP 2008206454A JP 2008206454 A JP2008206454 A JP 2008206454A JP 5294751 B2 JP5294751 B2 JP 5294751B2
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- metal carbide
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Description
実施例1;母材に対しCを注入したもの。
実施例2;母材に対し純Mo60重量%と純Nb40重量%の混合粉体をPTAにより一層肉盛したもの(これを母材表面とする)にCを注入したもの。
実施例3;母材に対し純Mo100重量%の粉体をPTAにより二層肉盛したもの(これを母材表面とする)にCを注入したもの。
実施例4;母材に対し純Mo100重量%の粉体をPTAにより三層肉盛したもの(これを母材表面とする)にCを注入したもの。
2…トーチ
2d…プラズマアーク
3…炭素源
31…炭素棒
4…母材
5…金属粉末
6,61,62…金属炭化物表面層
Claims (5)
- 1種類以上の金属を主とする母材表面に金属炭化物表面層を形成する方法であって、
前記母材表面を溶融し、当該母材表面に溶融池を形成する工程と、
前記溶融池に炭素棒を挿入することにより、溶融した母材表面の前記金属に炭素を直接反応させる工程と、
前記炭素が反応した溶融池を冷却により硬化させて金属炭化物表面層を形成する工程と、
を含むことを特徴とする金属炭化物表面層の形成方法。 - 前記母材表面に溶融池を形成する工程において、当該溶融池に、金属炭化物を形成すべき金属を添加して溶融させておくようにしている請求項1に記載の金属炭化物表面層の形成方法。
- 前記母材表面に炭素を直接反応させる工程において、前記溶融池内で母材表面と炭素とを反応させつつ金属炭化物を形成すべき金属を添加するようにしている請求項1に記載の金属炭化物表面層の形成方法。
- 前記母材表面に炭素を直接反応させる工程と前記金属炭化物表面層を形成する工程との間に、前記溶融池内で溶融している母材表面と炭素に、金属炭化物を形成すべき金属を添加する工程を含む請求項1に記載の金属炭化物表面層の形成方法。
- 請求項1乃至4の何れかに記載の方法により、1種類以上の金属を主とする前記母材表面に形成されることを特徴とする金属炭化物表面層。
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JP2010043300A JP2010043300A (ja) | 2010-02-25 |
JP5294751B2 true JP5294751B2 (ja) | 2013-09-18 |
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GB2169318A (en) * | 1985-01-04 | 1986-07-09 | Rolls Royce | Metal surface hardening by carbide formation |
JPH09174239A (ja) * | 1995-12-25 | 1997-07-08 | Suzuki Motor Corp | 炭化チタン粒子分散層の形成方法 |
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