KR100659030B1 - 저변태온도 용접재료를 사용하는 용접방법 - Google Patents
저변태온도 용접재료를 사용하는 용접방법 Download PDFInfo
- Publication number
- KR100659030B1 KR100659030B1 KR1020057004014A KR20057004014A KR100659030B1 KR 100659030 B1 KR100659030 B1 KR 100659030B1 KR 1020057004014 A KR1020057004014 A KR 1020057004014A KR 20057004014 A KR20057004014 A KR 20057004014A KR 100659030 B1 KR100659030 B1 KR 100659030B1
- Authority
- KR
- South Korea
- Prior art keywords
- welding
- gas
- transformation temperature
- low transformation
- welding method
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/164—Arc welding or cutting making use of shielding gas making use of a moving fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/38—Selection of media, e.g. special atmospheres for surrounding the working area
- B23K35/383—Selection of media, e.g. special atmospheres for surrounding the working area mainly containing noble gases or nitrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/308—Fe as the principal constituent with Cr as next major constituent
- B23K35/3086—Fe as the principal constituent with Cr as next major constituent containing Ni or Mn
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
Abstract
Description
종류 | C | Si | Mn | P | S | Ni | Cr | Mo |
함유량(wt%) | 0.02 | 0.75 | 1.93 | 0.013 | 0.006 | 9.42 | 9.31 | 0.13 |
용접법 | 실드 가스 | 전류 (A) | 전압 (V) | 용접속도 (㎝/min) | 입(入)열 (MJ/m) | 비 고 | |
1 | GMA※1 | 100% CO2 | 350 | 34 | 130 | 5.5 | 종래발명의 방법 |
2 | MAG※2 | 80% Ar+ 20% CO2 | 350 | 32 | 130 | 5.2 | 종래발명의 방법 |
3 | MAG | 98% Ar+ 2% O2 | 350 | 31 | 130 | 5.0 | 본 발명의방법 |
4 | TIG※3 | 100% Ar | 350 | 13 | 55 | 5.0 | 본 발명의 방법 |
용접조건 | 샤르피 값 (J) | 응력범위 350㎫에서의 피로수명(일) | 비 고 |
1 | 20 | 8.23×104 | 종래특허의 방법 |
2 | 24 | 7.83×104 | 종래특허의 방법 |
3 | 54 | 4.82×105 | 본 발명의 방법 |
4 | 72 | 3.02×105 | 본 발명의 방법 |
Claims (11)
- 저변태온도 용접재료를 사용하는 용접방법으로서, 실드 가스로서 희가스만을 사용하여 아크 용접하는 것을 특징으로 하는 용접방법.
- 저변태온도 용접재료를 사용하는 용접방법으로서, 실드 가스로서 희가스와 산소가스의 혼합가스를 사용해서 아크 용접하는 것을 특징으로 하는 용접방법.
- 제2항에 있어서, 실드 가스로서의 산소가스의 체적비가 0을 초과하고 8% 이하인 것을 특징으로 하는 용접방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 아크 용접은 TIG 용접법인 것을 특징으로 하는 용접방법.
- 저변태온도 용접재료를 사용하는 용접방법으로서, 수직구조물에 수평 부가구조물을 용접하는 경우, 상기 수평 부가구조물의 단부의 용접멈춤 단부의 상측으로부터 측면을 경유하여 하측을 보강 용접함으로써, 저변태온도 용접재료에 용접온도에 의한 열이력을 회피하면서 보강 용접하는 것을 특징으로 하는 용접방법.
- 삭제
- 제5항에 있어서, 상기 용접멈춤 단부를 용접선이 직선상으로 되도록 이동시키면서 보강 용접함으로써, 저변태온도 용접재료에 용접온도에 의한 열이력을 회피하는 것을 특징으로 하는 용접방법.
- 삭제
- 제5항 또는 제7항에 있어서, 실드 가스로서 희가스만을 사용하는 것을 특징으로 하는 용접방법.
- 제5항 또는 제7항에 있어서, 실드 가스로서 희가스와 산소가스의 혼합가스를 사용하는 것을 특징으로 하는 용접방법.
- 제5항 또는 제7항에 있어서, 실드 가스로서의 산소가스의 체적비가 0을 초과하고 8% 이하인 것을 특징으로 하는 용접방법.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2002-00262236 | 2002-09-09 | ||
JPJP-P-2002-00262235 | 2002-09-09 | ||
JP2002262235A JP2004098113A (ja) | 2002-09-09 | 2002-09-09 | 低変態温度溶接材料を使用するアーク溶接方法 |
JP2002262236A JP3787622B2 (ja) | 2002-09-09 | 2002-09-09 | 溶接割れを抑制する補強溶接方法 |
PCT/JP2003/011513 WO2004026519A1 (ja) | 2002-09-09 | 2003-09-09 | 低変態温度溶接材料を使用する溶接方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050073452A KR20050073452A (ko) | 2005-07-13 |
KR100659030B1 true KR100659030B1 (ko) | 2006-12-21 |
Family
ID=32032854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020057004014A KR100659030B1 (ko) | 2002-09-09 | 2003-09-09 | 저변태온도 용접재료를 사용하는 용접방법 |
Country Status (5)
Country | Link |
---|---|
US (3) | US20050252888A1 (ko) |
EP (1) | EP1550526A4 (ko) |
KR (1) | KR100659030B1 (ko) |
CN (1) | CN100418689C (ko) |
WO (1) | WO2004026519A1 (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4537649B2 (ja) * | 2002-10-08 | 2010-09-01 | 新日本製鐵株式会社 | 回し溶接継手、回し溶接継手の製造方法、および、溶接構造物 |
CN101275227B (zh) * | 2008-05-20 | 2011-06-08 | 天津工业大学 | 用于金属表面熔覆强化工艺的耐高温铁基合金粉末 |
JP5450293B2 (ja) * | 2010-07-01 | 2014-03-26 | 株式会社神戸製鋼所 | すみ肉溶接継手およびガスシールドアーク溶接方法 |
US9068462B2 (en) * | 2011-09-16 | 2015-06-30 | General Electric Company | Process of welding a turbine blade, a process of welding a non-uniform article, and a welded turbine blade |
JP5881055B2 (ja) * | 2011-11-09 | 2016-03-09 | 国立大学法人大阪大学 | 溶接方法および溶接継手 |
IN2014DN08181A (ko) | 2012-04-17 | 2015-05-01 | Nippon Steel & Sumitomo Metal Corp | |
WO2014084317A1 (ja) * | 2012-11-29 | 2014-06-05 | 新日鐵住金株式会社 | 隅肉アーク溶接継手の形成方法及び隅肉アーク溶接継手 |
CN106425024B (zh) * | 2016-11-21 | 2018-01-23 | 武汉钢铁有限公司 | 一种气保焊线能量的确定方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3143631A (en) * | 1951-01-06 | 1964-08-04 | Air Reduction | Electric arc welding |
GB791176A (en) * | 1955-03-15 | 1958-02-26 | Union Carbide Corp | Alternating current arc-welding process |
JPS54130451A (en) * | 1978-03-31 | 1979-10-09 | Sumitomo Metal Ind Ltd | Reducing method for residual stress at welded joint of steel |
JPS5838675A (ja) * | 1981-08-28 | 1983-03-07 | Nippon Kokan Kk <Nkk> | 立向き終端まわし溶接方法 |
JPS5985378A (ja) * | 1982-11-09 | 1984-05-17 | Ishikawajima Harima Heavy Ind Co Ltd | Tig溶接方法 |
JPH06277847A (ja) * | 1993-03-29 | 1994-10-04 | Japan Nuclear Fuel Co Ltd<Jnf> | ステンレス鋼系のtig溶接方法 |
GB2316902B (en) * | 1996-09-06 | 2000-11-29 | Rolls Royce Plc | Welding torch |
JPH11285889A (ja) * | 1998-04-01 | 1999-10-19 | Nippon Steel Corp | 高温クリープ強度と時効後靭性に優れたオーステナイト系耐熱鋼用tig溶接材料 |
JP3010211B1 (ja) * | 1998-09-08 | 2000-02-21 | 科学技術庁金属材料技術研究所長 | 溶接方法 |
JP2002210557A (ja) * | 2001-01-16 | 2002-07-30 | National Institute For Materials Science | マルテンサイト変態膨張利用の溶接方法 |
-
2003
- 2003-09-09 EP EP03797566A patent/EP1550526A4/en not_active Withdrawn
- 2003-09-09 KR KR1020057004014A patent/KR100659030B1/ko active IP Right Grant
- 2003-09-09 CN CNB038213524A patent/CN100418689C/zh not_active Expired - Fee Related
- 2003-09-09 WO PCT/JP2003/011513 patent/WO2004026519A1/ja active Application Filing
- 2003-09-09 US US10/527,219 patent/US20050252888A1/en not_active Abandoned
-
2007
- 2007-03-23 US US11/727,104 patent/US20070181538A1/en not_active Abandoned
-
2009
- 2009-12-11 US US12/636,241 patent/US20100089877A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN100418689C (zh) | 2008-09-17 |
CN1681616A (zh) | 2005-10-12 |
WO2004026519A1 (ja) | 2004-04-01 |
EP1550526A4 (en) | 2008-03-05 |
US20050252888A1 (en) | 2005-11-17 |
US20070181538A1 (en) | 2007-08-09 |
KR20050073452A (ko) | 2005-07-13 |
EP1550526A1 (en) | 2005-07-06 |
US20100089877A1 (en) | 2010-04-15 |
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