JP4426887B2 - Cu含有鋼材の時効状態評価方法及びそれを用いた時効処理方法 - Google Patents
Cu含有鋼材の時効状態評価方法及びそれを用いた時効処理方法 Download PDFInfo
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- JP4426887B2 JP4426887B2 JP2004091763A JP2004091763A JP4426887B2 JP 4426887 B2 JP4426887 B2 JP 4426887B2 JP 2004091763 A JP2004091763 A JP 2004091763A JP 2004091763 A JP2004091763 A JP 2004091763A JP 4426887 B2 JP4426887 B2 JP 4426887B2
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- 230000032683 aging Effects 0.000 title claims description 78
- 239000000463 material Substances 0.000 title claims description 74
- 238000011282 treatment Methods 0.000 title claims description 63
- 229910000831 Steel Inorganic materials 0.000 title claims description 42
- 239000010959 steel Substances 0.000 title claims description 42
- 238000000034 method Methods 0.000 title claims description 28
- 238000011156 evaluation Methods 0.000 title claims description 6
- 239000002244 precipitate Substances 0.000 claims description 19
- 238000010521 absorption reaction Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 16
- 238000002083 X-ray spectrum Methods 0.000 claims description 13
- 238000000833 X-ray absorption fine structure spectroscopy Methods 0.000 claims 3
- 238000012360 testing method Methods 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 238000004998 X ray absorption near edge structure spectroscopy Methods 0.000 description 8
- 238000001556 precipitation Methods 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000002431 foraging effect Effects 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- 238000004876 x-ray fluorescence Methods 0.000 description 3
- 238000005275 alloying Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002795 fluorescence method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005469 synchrotron radiation Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Analysing Materials By The Use Of Radiation (AREA)
Description
Claims (3)
- Cuを1〜5質量%含有する鋼材の時効状態評価方法であって、鋼材中の時効に関与する析出物を構成するCuの、XAFS法により測定した蛍光X線スペクトルK吸収端近傍の8.98KeVのピーク高さを用いて、鋼材の時効状態を非破壊で評価することを特徴とする鋼材の時効状態評価方法。
- 前記XAFS法による測定が常温で行なわれ、前記ピーク高さの値が、規格化した蛍光収量で表示して0.28〜0.38の範囲に収まるときに、適正に時効処理がなされたと判定することを特徴とする請求項1に記載の時効状態評価方法。
- Cuを1〜5質量%含有する鋼材の時効処理方法であって、予め前記鋼材の時効処理後の硬さと、前記鋼材中の時効に関与する析出物を構成するCuの、常温でXAFS法により測定した蛍光X線スペクトルK吸収端近傍の8.98KeVのピーク高さの値とを対応づけ、前記ピーク高さの値が、規格化した蛍光収量で表示して0.28〜0.38の範囲に収まるように時効処理することを特徴とする鋼材の時効処理方法。
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JP2004091763A JP4426887B2 (ja) | 2004-03-26 | 2004-03-26 | Cu含有鋼材の時効状態評価方法及びそれを用いた時効処理方法 |
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JP2004091763A JP4426887B2 (ja) | 2004-03-26 | 2004-03-26 | Cu含有鋼材の時効状態評価方法及びそれを用いた時効処理方法 |
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JP2005274513A JP2005274513A (ja) | 2005-10-06 |
JP4426887B2 true JP4426887B2 (ja) | 2010-03-03 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9833202B2 (en) | 2014-12-05 | 2017-12-05 | Koninklijke Philips N.V. | System for generating spectral computed tomography projection data |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4610500B2 (ja) * | 2006-03-09 | 2011-01-12 | 株式会社神戸製鋼所 | 加工性および耐遅れ破壊特性に優れた超高強度鋼およびその製造方法 |
JP6413308B2 (ja) * | 2014-04-10 | 2018-10-31 | 横浜ゴム株式会社 | ゴム/真鍮複合体の評価方法 |
JP6477166B2 (ja) * | 2015-03-31 | 2019-03-06 | 住友大阪セメント株式会社 | 鉱物の組成評価方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US9833202B2 (en) | 2014-12-05 | 2017-12-05 | Koninklijke Philips N.V. | System for generating spectral computed tomography projection data |
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