JP7773120B2 - 溶接継手及び自動車部材の接合構造 - Google Patents

溶接継手及び自動車部材の接合構造

Info

Publication number
JP7773120B2
JP7773120B2 JP2025534041A JP2025534041A JP7773120B2 JP 7773120 B2 JP7773120 B2 JP 7773120B2 JP 2025534041 A JP2025534041 A JP 2025534041A JP 2025534041 A JP2025534041 A JP 2025534041A JP 7773120 B2 JP7773120 B2 JP 7773120B2
Authority
JP
Japan
Prior art keywords
less
steel sheet
steel
content
welded joint
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
JP2025534041A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2025018308A1 (https=
Inventor
卓哉 光延
敬之 古川
将明 浦中
浩史 竹林
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 JPWO2025018308A1 publication Critical patent/JPWO2025018308A1/ja
Application granted granted Critical
Publication of JP7773120B2 publication Critical patent/JP7773120B2/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
    • 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°C
    • B23K35/3053—Fe as the principal constituent
    • B23K35/3073—Fe as the principal constituent with Mn as next major constituent
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/006—Vehicles
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/18—Sheet panels
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Laser Beam Processing (AREA)
JP2025534041A 2023-07-18 2024-07-12 溶接継手及び自動車部材の接合構造 Active JP7773120B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023116867 2023-07-18
JP2023116867 2023-07-18
PCT/JP2024/025320 WO2025018308A1 (ja) 2023-07-18 2024-07-12 溶接継手及び自動車部材の接合構造

Publications (2)

Publication Number Publication Date
JPWO2025018308A1 JPWO2025018308A1 (https=) 2025-01-23
JP7773120B2 true JP7773120B2 (ja) 2025-11-19

Family

ID=94281482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025534041A Active JP7773120B2 (ja) 2023-07-18 2024-07-12 溶接継手及び自動車部材の接合構造

Country Status (5)

Country Link
JP (1) JP7773120B2 (https=)
KR (1) KR20260021701A (https=)
CN (1) CN121488061A (https=)
MX (1) MX2026000643A (https=)
WO (1) WO2025018308A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022514847A (ja) 2018-12-19 2022-02-16 ポスコ 電気抵抗スポット溶接性に優れた高強度亜鉛めっき鋼板及びその製造方法
WO2022131671A1 (ko) 2020-12-18 2022-06-23 주식회사 포스코 도금성이 우수한 고강도 용융아연도금강판 및 그 제조방법
WO2022149505A1 (ja) 2021-01-08 2022-07-14 日本製鉄株式会社 溶接継手及び自動車部品
WO2024053669A1 (ja) 2022-09-06 2024-03-14 日本製鉄株式会社 溶接継手
WO2024150824A1 (ja) 2023-01-13 2024-07-18 日本製鉄株式会社 溶接継手

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3725904B1 (en) 2017-12-15 2024-03-06 Nippon Steel Corporation Steel sheet, hot-dip zinc-coated steel sheet, and alloyed hot-dip zinc-coated steel sheet
KR102647647B1 (ko) 2019-04-24 2024-03-18 닛폰세이테츠 가부시키가이샤 강판

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022514847A (ja) 2018-12-19 2022-02-16 ポスコ 電気抵抗スポット溶接性に優れた高強度亜鉛めっき鋼板及びその製造方法
WO2022131671A1 (ko) 2020-12-18 2022-06-23 주식회사 포스코 도금성이 우수한 고강도 용융아연도금강판 및 그 제조방법
WO2022149505A1 (ja) 2021-01-08 2022-07-14 日本製鉄株式会社 溶接継手及び自動車部品
WO2024053669A1 (ja) 2022-09-06 2024-03-14 日本製鉄株式会社 溶接継手
WO2024150824A1 (ja) 2023-01-13 2024-07-18 日本製鉄株式会社 溶接継手

Also Published As

Publication number Publication date
KR20260021701A (ko) 2026-02-13
MX2026000643A (es) 2026-03-02
WO2025018308A1 (ja) 2025-01-23
JPWO2025018308A1 (https=) 2025-01-23
CN121488061A (zh) 2026-02-06

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