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公开(公告)号：EP4424865A1
公开(公告)日：2024-09-04
申请号：EP22886422.9
申请日：2022-08-16
发明人： TOKUDA, Kohei , SAITO, Mamoru , FUKUDA, Yuto , GOTO, Yasuto , MAJIMA, Yasuhiro , YAMATO, Naoyuki , NAKAMURA, Fumiaki , SHINDO, Hidetoshi , KAWANISHI, Koji , MATSUMURA, Kenichiro , TAKEBAYASHI, Hiroshi
摘要： A plated steel sheet comprises a plated layer on a surface of a steel sheet, in which in the plated layer, the total amount ΣA of Sn, Bi, and In is less than 0.75%, the total amount ΣB of Ca, Y, La, and Ce is 0.03 to 0.60%, the total amount ΣC of Cr, Ti, Ni, Co, V, Nb, Cu, and Mn is 0 to 1.00%, Sn ≤ Si, and 20.0 ≤ Mg/Si are satisfied, and in an X-ray diffraction pattern of a surface of the plated layer, an X-ray diffraction peak of Al2.15Zn1.85Ca, an X-ray diffraction peak of CaZn2, and an X-ray diffraction peak of η'-MgZn2 satisfy a predetermined relationship.
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公开(公告)号：EP4234769A1
公开(公告)日：2023-08-30
申请号：EP21882553.7
申请日：2021-10-04
IPC分类号： C25D5/26 , C23C26/00 , H01M50/119 , H01M50/159 , H01M50/169
摘要： A novel battery container that can be obtained by welding plated steel sheets, has sufficient sealing ability over a long period of time, and is able to keep the base material of the plated steel sheets from being exposed and eluting into the electrolyte solution is provided. That is, a battery case comprised of a container body and a container lid, wherein the container body and the container lid are each comprised of a plated steel sheet, a joint part between the container and the container lid is comprised of a plating welded part containing a main constituent component of the plating of the plated steel sheet in 60 mass% or more and a steel sheet welded part containing the main constituent component of the plating in less than 60 mass%, and the plating welded part has a length of 0.5 µm or more and less than 1.0 mm in a joint longitudinal direction.
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公开(公告)号：EP4321653A1
公开(公告)日：2024-02-14
申请号：EP22784618.5
申请日：2022-03-30
摘要： A surface-treated steel sheet according to one embodiment of the present invention includes a base steel sheet and a plating layer containing Ni and W which is provided on the surface of the base steel sheet, and in a region from the outmost surface of the plating layer to a depth of 150 nm, a proportion (unit atomic%) of the average W concentration with respect to a total of the average Ni concentration, the average W concentration, and the average Fe concentration is 2.0 to 20.0 atomic%, and in a region of the plating layer from a depth of 150 nm to a depth of 300 nm, the proportion (unit atomic%) of the average W concentration with respect to the total of the average Ni concentration, the average W concentration, and the average Fe concentration is 0.7 times or less the proportion in the region from the outmost surface of the plating layer to a depth of 150 nm.
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公开(公告)号：EP4234735A1
公开(公告)日：2023-08-30
申请号：EP21882527.1
申请日：2021-09-29
发明人： SAITO, Mamoru , GOTO, Yasuto
摘要： A coated steel product including a base steel, and a coating layer containing a Zn-Al-Mg alloy layer disposed on a surface of the base steel, in which the coating layer has a predetermined chemical composition, the coated steel product including dendrite-shaped MgZn 2 phase having a surface roughness Sa of 50 nm or less on a surface of the Zn-Al-Mg alloy layer, an area ratio of the dendrite-shaped MgZn 2 phase having a surface roughness Sa of 50 nm or less being from 30% to 80% within a region of an observable field of view of 5 mm 2 , and among the dendrite-shaped MgZn 2 phase having a surface roughness Sa of 50 nm or less, a number of dendrite-shaped MgZn 2 , phase having an area of 0.1 mm 2 or more being from 5 to 100 within a region of an observable field of view of 25 mm 2 .
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公开(公告)号：EP3569729A1
公开(公告)日：2019-11-20
申请号：EP17891856.1
申请日：2017-01-16
摘要： The present invention provides a coated steel product including: a steel product; a coating layer that is coated on the surface of the steel product and that includes from 8 to 50% by mass of Mg, from 2.5 to 70.0% by mass of Al, and from 0.30 to 5.00% by mass of Ca, with the balance consisting of Zn and impurities; and an intermediate layer interposed between the steel product and the coating layer, in which the intermediate layer has a sea-island structure constituted by a sea portion composed of an Al-Fe alloy phase, and island portions including a Zn-Mg-Al alloy phase having a Mg content of 8% by mass or more, and in which the sea portion composed of the Al-Fe alloy phase has an area fraction of from 55 to 90%.
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公开(公告)号：EP2746422B8
公开(公告)日：2019-08-07
申请号：EP11869319.1
申请日：2011-07-14
发明人： GOTO, Yasuto , KUROSAKI, Masao , YAMAGUCHI, Shinichi , MAKI, Jun
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公开(公告)号：EP4279629A1
公开(公告)日：2023-11-22
申请号：EP21919583.1
申请日：2021-11-30
发明人： TOKUDA, Kohei , SAITO, Mamoru , MITSUNOBU, Takuya , TOBA, Tetsuya , GOTO, Yasuto , MORISHITA, Atsushi , KAWAMURA, Yasuaki , NAKAMURA, Fumiaki , KAWANISHI, Koji
IPC分类号： C23C2/06
摘要： A plated steel material having a plating layer having an average chemical composition containing, in mass%, Zn: more than 50.00%, Al: more than 15.0% and less than 30.0%, Mg: more than 5.0% and less than 15.0%, and Si: 0.25% or more and less than 3.50%, and impurities, and wherein a total amount (ΣA) of at least one selected from the group consisting of Sn, Bi and In is less than 1.00%, a total amount (ΣB) of at least one selected from the group consisting of Ca, Y, La, Ce and Sr is 0.02% or more and less than 0.60%, 0.02 % or more and less than 0.60 % , 2.0 ≤ Mg / Si 20.0 Formula 1 , 3.0 ≤ Si / Σ B 24.0 and 26.0 ≤ Si / ΣB × Mg / Si 375.0 are satisfied, and in an X-ray diffraction pattern of the surface of the plating layer, a diffraction intensity ratio R1 defined by R1={I(16.18°)+I(32.69°)}/I(27.0°) (Formula 4) satisfies 2.5
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公开(公告)号：EP4242354A1
公开(公告)日：2023-09-13
申请号：EP21900523.8
申请日：2021-11-29
发明人： KAWAMOTO, Kosuke , GOTO, Yasuto , DAIROKUNO, Yuta , SHIMADA, Koki
摘要： A surface-treated steel sheet in which contact resistance is low and which can suppress the occurrence of a change in the color of the surface thereof is provided. A surface-treated steel sheet of the present disclosure includes a steel sheet, and an alloy layer containing Ni and Co on a surface of the steel sheet. A surface roughness Ra1 of the surface of the alloy layer over a sampling length of 5.0 mm in the width direction of the steel sheet is 2.0 µm or less, the surface roughness Ra1 being as defined in JIS B0601 (2013) and measured using a stylus-type surface roughness meter. Ra2 that denotes the arithmetic mean height of a roughness curve of the surface of the alloy layer over a sampling length of 10 µm in the width direction of the steel sheet is 20 nm or less, and RSm that denotes the mean length of roughness curve elements over the sampling length of 10 µm in the width direction of the steel sheet is 700 nm or more, Ra2 and RSm being measured using an atomic force microscope.
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公开(公告)号：EP4242353A1
公开(公告)日：2023-09-13
申请号：EP21900522.0
申请日：2021-11-29
发明人： KAWAMOTO, Kosuke , GOTO, Yasuto
摘要： A surface-treated steel sheet in which contact resistance is low and which can suppress the occurrence of a change in the color of the surface thereof is provided. The surface-treated steel sheet of the present disclosure includes a steel sheet, and an alloy layer containing Ni and Co on a surface of the steel sheet. In a case where, in a cross section obtained by cutting the alloy layer in the thickness direction, a range having a width of 2000 nm and extending from the surface of the alloy layer to a depth of 100 nm is partitioned into regions each having a width of 100 nm and a depth of 100 nm, within the range the alloy layer includes a plurality of high Co concentration regions in each of which the ratio of a Co concentration to a sum of the Co concentration and a Ni concentration within the partitioned region is 0.8 or more, and a plurality of alloyed regions in each of which a ratio of the Co concentration to a sum of the Co concentration and the Ni concentration within the partitioned region is less than 0.8, the plurality of alloyed regions being arranged alternately with the high Co concentration regions.
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公开(公告)号：EP4116464A1
公开(公告)日：2023-01-11
申请号：EP21728143.5
申请日：2021-03-01
摘要： A Ni-plated steel sheet according to one aspect of the present invention includes a base steel sheet; and a Ni plating layer provided on a surface of the base steel sheet, wherein the Ni plating layer includes a Ni-Fe alloy layer formed on the surface of the base steel sheet, and a ratio of a Sn content to a Ni content in the Ni plating layer is 0.0005% to 0.10%.
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