JP6103643B2 - 鋼材に硫黄を侵入させる方法 - Google Patents
鋼材に硫黄を侵入させる方法 Download PDFInfo
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- JP6103643B2 JP6103643B2 JP2013160151A JP2013160151A JP6103643B2 JP 6103643 B2 JP6103643 B2 JP 6103643B2 JP 2013160151 A JP2013160151 A JP 2013160151A JP 2013160151 A JP2013160151 A JP 2013160151A JP 6103643 B2 JP6103643 B2 JP 6103643B2
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- sulfur
- steel material
- intruding
- steel
- thiocyanate
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Description
次に、実施例を用いてより詳細に説明する。まず、処理対象として、長さ7cm、直径1.2cmの円柱型で、表面に厚さ30〜40μmの酸化被膜が形成されている状態の高強度鋼材を試験片として用意した。次に、処理液として、pHが4.2の20%チオシアン酸アンモニウム水溶液を用意した。次に、用意した処理液を50℃に加熱し、試験片を所定時間浸漬した。処理液温度は20℃程度でもよいが、50℃に加熱することで、硫黄の侵入を促進させることができる。
Claims (2)
- チオシアン酸塩を溶解したpHが4〜6の範囲のいずれかの水溶液からなる処理液を用意する第1工程と、
処理対象の鋼材に無電解で前記処理液を接触させて前記鋼材に硫黄を侵入させる第2工程と
を備え、
処理対象の前記鋼材は、表面に酸化被膜が形成されていることを特徴とする鋼材に硫黄を侵入させる方法。 - 請求項1記載の鋼材に硫黄を侵入させる方法において、
前記チオシアン酸塩は、チオシアン酸アンモニウムであることを特徴とする鋼材に硫黄を侵入させる方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013160151A JP6103643B2 (ja) | 2013-08-01 | 2013-08-01 | 鋼材に硫黄を侵入させる方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013160151A JP6103643B2 (ja) | 2013-08-01 | 2013-08-01 | 鋼材に硫黄を侵入させる方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2015030871A JP2015030871A (ja) | 2015-02-16 |
| JP6103643B2 true JP6103643B2 (ja) | 2017-03-29 |
Family
ID=52516462
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013160151A Expired - Fee Related JP6103643B2 (ja) | 2013-08-01 | 2013-08-01 | 鋼材に硫黄を侵入させる方法 |
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| JP (1) | JP6103643B2 (ja) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5335773B2 (ja) * | 1973-07-23 | 1978-09-28 | ||
| JPS5822388A (ja) * | 1981-07-30 | 1983-02-09 | Kawasaki Heavy Ind Ltd | 金型の表面処理法 |
| JP3382108B2 (ja) * | 1997-01-13 | 2003-03-04 | 同和鉱業株式会社 | 鉄系物品の浸硫処理法 |
| JP4150785B2 (ja) * | 1998-04-23 | 2008-09-17 | Dowaサーモテック株式会社 | 鉄または鉄合金の硫化処理法 |
| JP2005098320A (ja) * | 2003-09-22 | 2005-04-14 | Nsk Ltd | 車輪支持用軸受装置 |
| JP2010223945A (ja) * | 2009-02-27 | 2010-10-07 | Jfe Steel Corp | 材料への水素チャージ方法および材料の水素脆化特性の評価方法 |
| JP2011208215A (ja) * | 2010-03-30 | 2011-10-20 | Dowa Thermotech Kk | 浸硫層被覆部材およびその製造方法 |
| JP2012047540A (ja) * | 2010-08-25 | 2012-03-08 | Jfe Steel Corp | 材料への水素チャージ方法および材料の水素脆化特性の評価方法 |
| JP5892601B2 (ja) * | 2012-07-05 | 2016-03-23 | 日本電信電話株式会社 | 鋼材表面における水素発生を抑制する方法 |
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2013
- 2013-08-01 JP JP2013160151A patent/JP6103643B2/ja not_active Expired - Fee Related
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| JP2015030871A (ja) | 2015-02-16 |
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