JP2018039052A5 - - Google Patents
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- JP2018039052A5 JP2018039052A5 JP2017202786A JP2017202786A JP2018039052A5 JP 2018039052 A5 JP2018039052 A5 JP 2018039052A5 JP 2017202786 A JP2017202786 A JP 2017202786A JP 2017202786 A JP2017202786 A JP 2017202786A JP 2018039052 A5 JP2018039052 A5 JP 2018039052A5
- Authority
- JP
- Japan
- Prior art keywords
- joined
- weld
- joining member
- fillet
- thickness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 claims 4
- 238000009863 impact test Methods 0.000 claims 3
- 238000003466 welding Methods 0.000 claims 1
Claims (3)
前記隅肉溶接継手の溶接脚長および溶着幅は16mm超えであり、
前記隅肉溶接継手における前記接合部材の端面と前記被接合部材の表面とを突合わせた面に、前記隅肉溶接継手の断面で該接合部材の板厚ｔwの95％以上の未溶着部を有し、
さらに、前記隅肉溶接継手の隅肉溶接金属について、
前記溶接脚長および前記溶着幅のうちの小さい方の値をＬとするとき、Ｌが20mm未満である場合には、前記隅肉溶接金属のシャルピー衝撃試験破面遷移温度vＴrs（℃）と、前記被接合部材の板厚ｔfとが下記（１ａ）式の関係を満足し、
Ｌが20mm以上である場合には、前記隅肉溶接金属のシャルピー衝撃試験破面遷移温度vＴrs（℃）と、前記被接合部材の板厚ｔfと、Ｌとが下記（１ｂ）式の関係を満足し、
前記接合部材の板厚が50〜120mmである、溶接構造体。
記
vＴrs ≦ −35−1.5（ｔf−75） ‥‥（１ａ）
vＴrs ≦ −5Ｌ＋65−1.5（ｔf−75） ‥‥（１ｂ）
ここで、vＴrs：隅肉溶接金属のシャルピー衝撃試験破面遷移温度（℃）、
ｔf：被接合部材の板厚（mm）、
Ｌ ：溶接脚長および溶着幅のうちの小さい方の値（mm） The end face of the joining member is abutted against the surface of the member to be joined having a plate thickness of 50 mm or more, and a welded structure including a fillet weld joint that joins the joining member and the member to be joined,
The weld leg length and weld width of the fillet weld joint is over 16 mm,
An unwelded portion having a thickness of 95% or more of the thickness tw of the joining member in the cross-section of the fillet welded joint is formed on the surface of the fillet welded joint that is abutted between the end surface of the joining member and the surface of the joined member. Have
Furthermore, for the fillet weld metal of the fillet weld joint,
When the smaller value of the weld leg length and the welding width is L, when L is less than 20 mm, the Charpy impact test fracture surface transition temperature vTrs (° C.) of the fillet weld metal, The thickness tf of the member to be joined satisfies the relationship of the following formula (1a)
When L is 20 mm or more, the Charpy impact test fracture surface transition temperature vTrs (° C.) of the fillet weld metal, the plate thickness tf of the member to be joined, and L satisfy the following relationship (1b): Satisfied ,
A welded structure , wherein a thickness of the joining member is 50 to 120 mm .
Record
vTrs ≤ -35-1.5 (tf-75) (1a)
vTrs ≤ -5L + 65-1.5 (tf-75) (1b)
Where vTrs: Charpy impact test fracture surface transition temperature (° C) of fillet weld metal,
tf: thickness of the member to be joined (mm),
L: The smaller value of the weld leg length and weld width (mm)
The joining member has a butt weld joint portion, and the joining member is disposed so that a butt weld joint portion of the joining member and a butt weld joint portion of the joined member intersect. The welded structure according to claim 2.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015049329 | 2015-03-12 | ||
| JP2015049329 | 2015-03-12 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016546103A Division JP6509235B2 (en) | 2015-03-12 | 2016-03-10 | Welded structure |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018039052A JP2018039052A (en) | 2018-03-15 |
| JP2018039052A5 true JP2018039052A5 (en) | 2019-04-04 |
| JP6744274B2 JP6744274B2 (en) | 2020-08-19 |
Family
ID=56880399
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016546103A Active JP6509235B2 (en) | 2015-03-12 | 2016-03-10 | Welded structure |
| JP2017202786A Active JP6744274B2 (en) | 2015-03-12 | 2017-10-19 | Welded structure |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016546103A Active JP6509235B2 (en) | 2015-03-12 | 2016-03-10 | Welded structure |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JP6509235B2 (en) |
| KR (1) | KR102001923B1 (en) |
| CN (1) | CN107405713B (en) |
| PH (1) | PH12017550088B1 (en) |
| WO (1) | WO2016143354A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017217515A1 (en) * | 2016-06-16 | 2017-12-21 | Ｊｆｅスチール株式会社 | Welded structure having excellent brittle crack arrest characteristics |
| KR102249509B1 (en) | 2017-09-20 | 2021-05-06 | 주식회사 엘지화학 | Battery Module Having Guide Coupling Structure and Battery Pack Having The Same |
| CN113226614B (en) * | 2018-12-26 | 2023-04-28 | 日本制铁株式会社 | Welded structure |
| CN110877699B (en) * | 2019-11-19 | 2021-09-21 | 沪东中华造船(集团)有限公司 | Method for welding reinforcing ribs on reverse side of LNG ship cargo tank hull |
| JP7195503B1 (en) | 2021-06-15 | 2022-12-26 | Ｊｆｅスチール株式会社 | Welded structure |
| WO2022265010A1 (en) * | 2021-06-15 | 2022-12-22 | Ｊｆｅスチール株式会社 | Weld structure body |
| KR20230162021A (en) * | 2021-07-26 | 2023-11-28 | 닛폰세이테츠 가부시키가이샤 | Welded structures, and their design and construction methods |
| CN113879484A (en) * | 2021-10-22 | 2022-01-04 | 上海外高桥造船有限公司 | Ship balcony section and welding method thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5365761A (en) | 1976-11-22 | 1978-06-12 | Hitachi Shipbuilding Eng Co | Inspection apparatus for flavor |
| JPS5395985A (en) | 1977-01-31 | 1978-08-22 | Nippon Soda Co Ltd | Preparation of aminopyrazinecarboxylic acid |
| JPS548396A (en) | 1977-06-21 | 1979-01-22 | Hitachi Zosen Corp | Method of constructing concrete floating body |
| JP4074524B2 (en) | 2003-01-31 | 2008-04-09 | 新日本製鐵株式会社 | Welded structure with excellent brittle fracture resistance |
| JP5144053B2 (en) * | 2006-05-12 | 2013-02-13 | Ｊｆｅスチール株式会社 | Welded structure with excellent brittle crack propagation stop properties |
| JP5075421B2 (en) * | 2006-06-23 | 2012-11-21 | 株式会社アイ・エイチ・アイ マリンユナイテッド | Welded structure |
| JP5629895B2 (en) * | 2007-09-07 | 2014-11-26 | ジャパンマリンユナイテッド株式会社 | Welded structure |
| JP5365761B2 (en) * | 2011-09-13 | 2013-12-11 | Ｊｆｅスチール株式会社 | Welded structure |
| BR112014005504A2 (en) * | 2011-09-13 | 2017-03-21 | Japan Marine United Corp | welded structure |
| BR112014025358B1 (en) * | 2012-05-10 | 2019-01-15 | Jfe Steel Corporation | welded structure |
-
2016
- 2016-03-10 WO PCT/JP2016/001359 patent/WO2016143354A1/en active Application Filing
- 2016-03-10 KR KR1020177027629A patent/KR102001923B1/en active IP Right Grant
- 2016-03-10 JP JP2016546103A patent/JP6509235B2/en active Active
- 2016-03-10 CN CN201680014644.3A patent/CN107405713B/en active Active
-
2017
- 2017-08-30 PH PH12017550088A patent/PH12017550088B1/en unknown
- 2017-10-19 JP JP2017202786A patent/JP6744274B2/en active Active
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