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公开(公告)号:US20220134404A1
公开(公告)日:2022-05-05
申请号:US17110707
申请日:2020-12-03
发明人: Chang Yong Lee , Sung Ryul Kim , Jeong Seok Kim , Joo Sik Hyun , Yoo Dong Chung , Soon Geun Jang
IPC分类号: B21D22/02 , C22C38/02 , C22C38/04 , C22C38/06 , B23K35/02 , B23K35/30 , B23K26/21 , C21D9/46
摘要: According to an exemplary embodiment of the present disclosure, disclosed is an aluminum coated blank that includes a first coated steel sheet; a second coated steel sheet connected to the first coated steel sheet; and a joint portion that connects the first coated steel sheet to the second coated steel plate at a boundary between the first coated steel sheet and the second coated steel sheet.
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公开(公告)号:US20240149322A1
公开(公告)日:2024-05-09
申请号:US18400526
申请日:2023-12-29
发明人: Chang Yong Lee , Sung Ryul Kim , Jeong Seok Kim , Joo Sik Hyun , Yoo Dong Chung , Soon Geun Jang
IPC分类号: B21D22/02 , B23K26/21 , B23K35/02 , B23K35/30 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06
CPC分类号: B21D22/022 , B23K26/21 , B23K35/0261 , B23K35/3073 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , B23K2101/185
摘要: According to an exemplary embodiment of the present disclosure, disclosed is an aluminum coated blank that includes a first coated steel sheet; a second coated steel sheet connected to the first coated steel sheet; and a joint portion that connects the first coated steel sheet to the second coated steel plate at a boundary between the first coated steel sheet and the second coated steel sheet.
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公开(公告)号:US11975375B2
公开(公告)日:2024-05-07
申请号:US17110707
申请日:2020-12-03
发明人: Chang Yong Lee , Sung Ryul Kim , Jeong Seok Kim , Joo Sik Hyun , Yoo Dong Chung , Soon Geun Jang
IPC分类号: B21D22/02 , B23K26/21 , B23K35/02 , B23K35/30 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , B23K101/18 , B23K103/04
CPC分类号: B21D22/022 , B23K26/21 , B23K35/0261 , B23K35/3073 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , B23K2101/185 , B23K2103/04 , C21D2211/008
摘要: According to an exemplary embodiment of the present disclosure, disclosed is an aluminum coated blank that includes a first coated steel sheet; a second coated steel sheet connected to the first coated steel sheet; and a joint portion that connects the first coated steel sheet to the second coated steel plate at a boundary between the first coated steel sheet and the second coated steel sheet.
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公开(公告)号:US11655518B2
公开(公告)日:2023-05-23
申请号:US17527249
申请日:2021-11-16
发明人: Byung Gil Yoo , Hyeong Hyeop Do , Chee Woong Song , Do Hak Kim , Young Mun Shin , Soon Geun Jang , Sang Mun Hong
CPC分类号: C21D9/50 , B21D22/022 , C21D6/005 , C21D8/0205 , C21D8/0226 , C21D8/0236 , C21D8/0263 , C22C38/04 , C22C38/12 , C22C38/14 , C21D2211/005 , C21D2211/008
摘要: In accordance with one aspect of the present disclosure, there is provided a steel material for a tailor-welded blank, including 0.04 to 0.06 wt % of carbon (C), 1.2 to 1.5 wt % of manganese (Mn), 0.01 to 0.10 wt % of titanium (Ti), 0.01 to 0.10 wt % of niobium (Nb), and the balance of iron (Fe) and inevitable impurities; having a tensile strength (TS) of 550 MPa or greater, a yield strength (YS) of 300 MPa or greater, and an elongation (EL) of 20% or greater; and having a dual-phase structure of ferrite and martensite.
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公开(公告)号:US11629389B2
公开(公告)日:2023-04-18
申请号:US16625431
申请日:2017-12-29
发明人: Byung Gil Yoo , Hyeong Hyeop Do , Chee Woong Song , Do Hak Kim , Young Mun Shin , Soon Geun Jang , Sang Mun Hong
摘要: In accordance with one aspect of the present disclosure, there is provided a steel material for a tailor-welded blank, including 0.04 to 0.06 wt % of carbon (C), 1.2 to 1.5 wt % of manganese (Mn), 0.01 to 0.10 wt % of titanium (Ti), 0.01 to 0.10 wt % of niobium (Nb), and the balance of iron (Fe) and inevitable impurities; having a tensile strength (TS) of 550 MPa or greater, a yield strength (YS) of 300 MPa or greater, and an elongation (EL) of 20% or greater; and having a dual-phase structure of ferrite and martensite.
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公开(公告)号:US20220074017A1
公开(公告)日:2022-03-10
申请号:US17527249
申请日:2021-11-16
发明人: Byung Gil Yoo , Hyeong Hyeop Do , Chee Woong Song , Do Hak Kim , Young Mun Shin , Soon Geun Jang , Sang Mun Hong
摘要: In accordance with one aspect of the present disclosure, there is provided a steel material for a tailor-welded blank, including 0.04 to 0.06 wt % of carbon (C), 1.2 to 1.5 wt % of manganese (Mn), 0.01 to 0.10 wt % of titanium (Ti), 0.01 to 0.10 wt % of niobium (Nb), and the balance of iron (Fe) and inevitable impurities; having a tensile strength (TS) of 550 MPa or greater, a yield strength (YS) of 300 MPa or greater, and an elongation (EL) of 20% or greater; and having a dual-phase structure of ferrite and martensite.
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公开(公告)号:US20210292866A1
公开(公告)日:2021-09-23
申请号:US16625431
申请日:2017-12-29
发明人: Byung Gil Yoo , Hyeong Hyeop Do , Chee Woong Song , Do Hak Kim , Young Mun Shin , Soon Geun Jang , Sang Mun Hong
摘要: In accordance with one aspect of the present disclosure, there is provided a steel material for a tailor-welded blank, including 0.04 to 0.06 wt % of carbon (C), 1.2 to 1.5 wt % of manganese (Mn), 0.01 to 0.10 wt % of titanium (Ti), 0.01 to 0.10 wt % of niobium (Nb), and the balance of iron (Fe) and inevitable impurities; having a tensile strength (TS) of 550 MPa or greater, a yield strength (YS) of 300 MPa or greater, and an elongation (EL) of 20% or greater; and having a dual-phase structure of ferrite and martensite.
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