JP5450233B2 - 鋼の凝固組織の検出方法 - Google Patents
鋼の凝固組織の検出方法 Download PDFInfo
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- JP5450233B2 JP5450233B2 JP2010098982A JP2010098982A JP5450233B2 JP 5450233 B2 JP5450233 B2 JP 5450233B2 JP 2010098982 A JP2010098982 A JP 2010098982A JP 2010098982 A JP2010098982 A JP 2010098982A JP 5450233 B2 JP5450233 B2 JP 5450233B2
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- steel
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- 229910000831 Steel Inorganic materials 0.000 title claims description 35
- 239000010959 steel Substances 0.000 title claims description 35
- 238000000034 method Methods 0.000 title claims description 34
- 238000007711 solidification Methods 0.000 title description 12
- 230000008023 solidification Effects 0.000 title description 12
- 230000007797 corrosion Effects 0.000 claims description 41
- 238000005260 corrosion Methods 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 239000002390 adhesive tape Substances 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 28
- 238000005204 segregation Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 12
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 239000002436 steel type Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 7
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 6
- 239000003125 aqueous solvent Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 229960003280 cupric chloride Drugs 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000006056 electrooxidation reaction Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- 230000010718 Oxidation Activity Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- 229940045803 cuprous chloride Drugs 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Description
(1)試料中の各位置の溶質濃度差による電位差を利用した電気化学的腐食法。
(2)化学ポテンシアルの異なる相や表面の結晶方位による結晶粒の化学ポテンシアル差を利用した化学的腐食法。
2 非偏析部
Claims (5)
- 鋼鋳片の試料断面を研磨した後で、該試料断面を腐食させる鋼の凝固組織検出方法において、溶媒としてマイクロバブルを含む水を用いた酸性水溶液の腐食液で前記試料断面を腐食させて鋼の凝固組織を現出させることを特徴とする鋼の凝固組織検出方法。
- 前記マイクロバブルの濃度が100〜5000個/mLであることを特徴とする請求項1記載の鋼の凝固組織検出方法。
- 前記溶媒中にピクリン酸を含むことを特徴とする請求項1または2記載の鋼の凝固組織検出方法。
- 鋼鋳片の試料断面を研磨した後で、該試料断面を請求項1〜3のいずれかに記載の方法で腐食させた後、洗浄、乾燥し、前記試料断面に形成された腐食孔に研磨粉を埋め込み、前記試料断面に透明粘着テープを貼り、前記腐食孔中の研磨粉を前記透明粘着テープに粘着せしめた後、前記透明粘着テープをはがし、次いで前記透明粘着テープを白色台紙上へ貼り付けることを特徴とする鋼の凝固組織検出方法。
- 前記鋼鋳片が炭素含有量0.01mass%以下の鋼である請求項1〜4のいずれかに記載の鋼の凝固組織の検出方法。
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JP5450233B2 true JP5450233B2 (ja) | 2014-03-26 |
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Cited By (1)
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CN111781326A (zh) * | 2020-06-24 | 2020-10-16 | 西安交通大学 | 一种高纯镁纯度对比检测方法 |
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JP5743717B2 (ja) * | 2011-05-31 | 2015-07-01 | 新日鐵住金株式会社 | 鋼の凝固組織の検出方法 |
Family Cites Families (4)
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JP2790426B2 (ja) * | 1993-12-28 | 1998-08-27 | 株式会社神戸製鋼所 | 鋼の偏析の転写方法 |
JP2002228650A (ja) * | 2001-01-29 | 2002-08-14 | Sanyo Special Steel Co Ltd | 低炭素鋼あるいは低炭素合金鋼鋳片のデンドライト顕出方法 |
DE102007058503B4 (de) * | 2007-12-05 | 2011-08-25 | Siltronic AG, 81737 | Verfahren zur nasschemischen Behandlung einer Halbleiterscheibe |
JP2009141165A (ja) * | 2007-12-07 | 2009-06-25 | Siltronic Japan Corp | シリコンウェハのエッチング方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111781326A (zh) * | 2020-06-24 | 2020-10-16 | 西安交通大学 | 一种高纯镁纯度对比检测方法 |
CN111781326B (zh) * | 2020-06-24 | 2021-08-13 | 西安交通大学 | 一种高纯镁纯度对比检测方法 |
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