JP6569152B2 - 棒状試験片の表面研磨方法 - Google Patents
棒状試験片の表面研磨方法 Download PDFInfo
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- JP6569152B2 JP6569152B2 JP2017132039A JP2017132039A JP6569152B2 JP 6569152 B2 JP6569152 B2 JP 6569152B2 JP 2017132039 A JP2017132039 A JP 2017132039A JP 2017132039 A JP2017132039 A JP 2017132039A JP 6569152 B2 JP6569152 B2 JP 6569152B2
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Description
キャリアに砥粒を分散させた研磨メディア中に前記棒状試験片を配置し、前記研磨メディアを流動させることによって前記棒状試験片の表面を研磨する砥粒流動研磨工程を備え、
前記砥粒流動研磨工程では、前記研磨メディアの温度が40℃以上にならないように、前記棒状試験片の表面を研磨する、棒状試験片の表面研磨方法。
D1−D2≧2×Rt1 ・・・(i)
D1−D2≧2×Rt1 ・・・(i)
12 平行部
20 砥粒流動加工装置
40 研磨メディア
Claims (3)
- 耐硫化物応力腐食割れ性試験に供される棒状試験片の表面を研磨する方法であって、
キャリアに砥粒を分散させた研磨メディア中に前記棒状試験片を配置し、前記研磨メディアを流動させることによって前記棒状試験片の表面を研磨する砥粒流動研磨工程を備え、
前記砥粒流動研磨工程では、前記研磨メディアの温度が40℃以上にならないように、前記棒状試験片の表面を研磨する、棒状試験片の表面研磨方法。 - 前記砥粒流動研磨工程前の前記棒状試験片の平行部の直径をD1とし、前記砥粒流動研磨工程前の前記平行部の表面の最大断面高さをRt1とし、前記砥粒流動研磨工程後の前記平行部の直径をD2とした場合、前記砥粒流動研磨工程では、下記式(i)を満足するように前記棒状試験片の表面を研磨する、請求項1に記載の棒状試験片の表面研磨方法。
D1−D2≧2×Rt1 ・・・(i) - 前記砥粒流動研磨工程前に、JIS R6001−2 2017で規定される粒度が♯600〜1500の乾式研磨紙を用いて、前記棒状試験片の表面を研磨する粗研磨工程をさらに備える、請求項1または2に記載の棒状試験片の表面研磨方法。
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JP7295411B2 (ja) * | 2019-07-09 | 2023-06-21 | 日本製鉄株式会社 | 金属材料の評価方法 |
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JPS5645749B2 (ja) * | 1973-12-27 | 1981-10-28 | ||
JPH07266216A (ja) * | 1994-03-31 | 1995-10-17 | Hitachi Ltd | 砥粒流動加工装置 |
JP2001150327A (ja) * | 1999-11-24 | 2001-06-05 | Toyota Motor Corp | 昇華性物質が混在した流動性研磨剤を用いる研磨方法 |
JP2006068835A (ja) * | 2004-08-31 | 2006-03-16 | Showa Denko Kk | 砥粒流動加工法による記録媒体用基板の端面研磨方法 |
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