JP7828028B2 - スポット溶接継手、及びスポット溶接継手の製造方法 - Google Patents

スポット溶接継手、及びスポット溶接継手の製造方法

Info

Publication number
JP7828028B2
JP7828028B2 JP2025557929A JP2025557929A JP7828028B2 JP 7828028 B2 JP7828028 B2 JP 7828028B2 JP 2025557929 A JP2025557929 A JP 2025557929A JP 2025557929 A JP2025557929 A JP 2025557929A JP 7828028 B2 JP7828028 B2 JP 7828028B2
Authority
JP
Japan
Prior art keywords
post
nugget
cooling
current
test
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.)
Active
Application number
JP2025557929A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2025105479A1 (https=
Inventor
大河 谷口
誠司 古迫
真二 児玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of JPWO2025105479A1 publication Critical patent/JPWO2025105479A1/ja
Application granted granted Critical
Publication of JP7828028B2 publication Critical patent/JP7828028B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/10—Spot welding; Stitch welding
    • B23K11/11—Spot welding
    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)
JP2025557929A 2023-11-17 2024-11-15 スポット溶接継手、及びスポット溶接継手の製造方法 Active JP7828028B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023195627 2023-11-17
JP2023195627 2023-11-17
PCT/JP2024/040670 WO2025105479A1 (ja) 2023-11-17 2024-11-15 スポット溶接継手、及びスポット溶接継手の製造方法

Publications (2)

Publication Number Publication Date
JPWO2025105479A1 JPWO2025105479A1 (https=) 2025-05-22
JP7828028B2 true JP7828028B2 (ja) 2026-03-11

Family

ID=95742776

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025557929A Active JP7828028B2 (ja) 2023-11-17 2024-11-15 スポット溶接継手、及びスポット溶接継手の製造方法

Country Status (2)

Country Link
JP (1) JP7828028B2 (https=)
WO (1) WO2025105479A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080203139A1 (en) 2001-06-29 2008-08-28 Mccrink Edward J Method for controlling weld metal microstructure using localized controlled cooling of seam-welded joints
WO2011025015A1 (ja) 2009-08-31 2011-03-03 新日本製鐵株式会社 スポット溶接継手およびスポット溶接方法
JP2023108212A (ja) 2022-01-25 2023-08-04 Ｊｆｅスチール株式会社 鋼帯の接合方法および鋼帯の接合装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080203139A1 (en) 2001-06-29 2008-08-28 Mccrink Edward J Method for controlling weld metal microstructure using localized controlled cooling of seam-welded joints
WO2011025015A1 (ja) 2009-08-31 2011-03-03 新日本製鐵株式会社 スポット溶接継手およびスポット溶接方法
JP2023108212A (ja) 2022-01-25 2023-08-04 Ｊｆｅスチール株式会社 鋼帯の接合方法および鋼帯の接合装置

Also Published As

Publication number Publication date
WO2025105479A1 (ja) 2025-05-22
JPWO2025105479A1 (https=) 2025-05-22

Similar Documents

Publication Publication Date Title
US9475147B2 (en) Method of resistance spot welding of high tensile strength steel sheet and welding joint manufactured by the method
Hernandez et al. Second pulse current in resistance spot welded TRIP steel—effects on the microstructure and mechanical behavior
KR101725707B1 (ko) 스폿 용접 방법
JP4865112B1 (ja) 溶接継手の製造方法及び溶接継手
Chen et al. Effect of post-weld tempering pulse on microstructure and mechanical properties of resistance spot welding of Q&P1180 steel
JP6313921B2 (ja) 抵抗スポット溶接方法
Aghajani et al. Influence of in situ thermal processing strategies on the weldability of martensitic stainless steel resistance spot welds: effect of second pulse current on the weld microstructure and mechanical properties
JP7633525B2 (ja) スポット溶接継手の製造方法、及びスポット溶接装置
JP5942392B2 (ja) 高張力鋼板の抵抗スポット溶接方法
US10301692B2 (en) Welding method and weld structure
Ashiri et al. Weld processing and mechanical responses of 1-GPa TRIP steel resistance spot welds
JP5206448B2 (ja) 高強度薄鋼板の抵抗スポット溶接方法
WO2021177254A1 (ja) 抵抗スポット溶接方法および抵抗スポット溶接継手の製造方法
WO2013161937A1 (ja) スポット溶接継手
JP2002103054A (ja) 高強度鋼板のスポット溶接方法
WO2022210749A1 (ja) スポット溶接継手及びスポット溶接継手の製造方法
Park et al. Characterization of mechanical and metallurgical notch effects of DP980 steel weld joints in fatigue performance
Zhang et al. Optimization of double-pulse process in resistance spot welding of hot stamped steel sheet
JP7828028B2 (ja) スポット溶接継手、及びスポット溶接継手の製造方法
JP7115223B2 (ja) 抵抗スポット溶接継手の製造方法
CN109048104B (zh) 一种钢材多道次回火堆焊方法
Han et al. HAZ effects in hot-rolled dual-phase steel during flash butt welding of wheel rims
JP7761554B2 (ja) スポット溶接方法および溶接継手の製造方法
Kumar et al. Studies on microstructure and mechanical properties of simulated heat affected zone in a micro alloyed steel
BR112021009133A2 (pt) método de soldagem

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20251017

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20251017

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20260127

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20260209

R150 Certificate of patent or registration of utility model

Ref document number: 7828028

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150