JP2015120172A - 溶接割れ導入試験体及び溶接割れ導入方法 - Google Patents
溶接割れ導入試験体及び溶接割れ導入方法 Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005336 cracking Methods 0.000 title abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 72
- 229910052751 metal Inorganic materials 0.000 claims abstract description 72
- 238000003466 welding Methods 0.000 claims abstract description 66
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910052796 boron Inorganic materials 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 36
- 230000007547 defect Effects 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000010894 electron beam technology Methods 0.000 claims description 11
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- 229910000734 martensite Inorganic materials 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000002436 steel type Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
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- 230000004927 fusion Effects 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
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- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Abstract
【解決手段】溶接割れ導入試験体は、ボロン含有粉末を含んで鋼材を溶接することにより、ボロン含有量が0.03乃至2質量%の溶接金属部を得ると共に、前記溶接金属部に割れ状欠陥を導入したものである。溶接金属部の平均硬さは、ビッカース硬さで400乃至700Hvである。
【選択図】図1
Description
ボロン含有粉末を含んで鋼材を溶接することにより、ボロン含有量が0.03乃至2質量%の溶接金属部を得ると共に、前記溶接金属部に割れ状欠陥を導入したものであることを特徴とする。
鋼材の溶接対象部にボロン含有粉末を散布して、このボロン含有粉末を含む領域を、レーザ溶接法又は電子ビーム溶接法により溶接することにより、ボロン含有量が0.03乃至2質量%の溶接金属部を得ると共に、前記溶接金属部に割れ状欠陥を導入することを特徴とする。
2:溶接金属
3:母材
4:ボロン粉末
5:溶接ビード
6:レーザビーム
7:方向
Claims (3)
- ボロン含有粉末を含んで鋼材を溶接することにより、ボロン含有量が0.03乃至2質量%の溶接金属部を得ると共に、前記溶接金属部に割れ状欠陥を導入したものであることを特徴とする溶接割れ導入試験体。
- 前記割れ状欠陥を導入した溶接金属部の平均硬さが、ビッカース硬さで400乃至700Hvであることを特徴とする請求項1に記載の溶接割れ導入試験体。
- 鋼材の溶接対象部にボロン含有粉末を散布して、このボロン含有粉末を含む領域を、レーザ溶接法又は電子ビーム溶接法により溶接することにより、ボロン含有量が0.03乃至2質量%の溶接金属部を得ると共に、前記溶接金属部に割れ状欠陥を導入することを特徴とする溶接割れ導入方法。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110722255A (zh) * | 2019-10-24 | 2020-01-24 | 武汉一冶钢结构有限责任公司 | 具有未熔合缺陷的奥氏体不锈钢焊缝缺陷试板的制作方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55142236A (en) * | 1979-04-24 | 1980-11-06 | Ishikawajima Harima Heavy Ind Co Ltd | Manufacture of test piece or the like |
JPS60128357A (ja) * | 1983-12-15 | 1985-07-09 | Mitsubishi Electric Corp | 試験体の製作方法 |
JPH03177582A (ja) * | 1989-12-05 | 1991-08-01 | Toyota Motor Corp | 非晶質層を有する部材の製造方法 |
JP2002048773A (ja) * | 2000-07-31 | 2002-02-15 | Railway Technical Res Inst | レール溶接部超音波探傷用校正試験片 |
JP2012202740A (ja) * | 2011-03-24 | 2012-10-22 | Tokyo Electric Power Co Inc:The | 非破壊検査用有欠陥試験体の製作方法 |
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- 2013-12-20 JP JP2013264169A patent/JP6140068B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55142236A (en) * | 1979-04-24 | 1980-11-06 | Ishikawajima Harima Heavy Ind Co Ltd | Manufacture of test piece or the like |
JPS60128357A (ja) * | 1983-12-15 | 1985-07-09 | Mitsubishi Electric Corp | 試験体の製作方法 |
JPH03177582A (ja) * | 1989-12-05 | 1991-08-01 | Toyota Motor Corp | 非晶質層を有する部材の製造方法 |
JP2002048773A (ja) * | 2000-07-31 | 2002-02-15 | Railway Technical Res Inst | レール溶接部超音波探傷用校正試験片 |
JP2012202740A (ja) * | 2011-03-24 | 2012-10-22 | Tokyo Electric Power Co Inc:The | 非破壊検査用有欠陥試験体の製作方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110722255A (zh) * | 2019-10-24 | 2020-01-24 | 武汉一冶钢结构有限责任公司 | 具有未熔合缺陷的奥氏体不锈钢焊缝缺陷试板的制作方法 |
CN110722255B (zh) * | 2019-10-24 | 2021-07-06 | 武汉一冶钢结构有限责任公司 | 具有未熔合缺陷的奥氏体不锈钢焊缝缺陷试板的制作方法 |
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