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公开(公告)号：EP4442389A1
公开(公告)日：2024-10-09
申请号：EP22901352.9
申请日：2022-11-30
IPC分类号： B22F1/16 , B22F1/00 , B22F1/105 , B22F10/28 , B33Y70/00 , B33Y80/00 , B82Y30/00 , C22C19/05 , C22C38/00 , C22C38/48
CPC分类号： Y02P10/25 , B22F1/00 , B22F1/105 , B22F1/16 , B22F10/28 , B33Y70/00 , B33Y80/00 , B82Y30/00 , C22C19/05 , C22C38/00 , C22C38/48
摘要： An object of the present invention is to provide a powder for additive manufacturing excellent in high-temperature strength, and an additively manufactured article excellent in high-temperature strength produced using the powder for additive manufacturing, and the present invention provides an alloy powder material for additive manufacturing, including: an alloy powder; and oxide nanoparticles that have not been subjected to surface treatment with an organic substance, wherein the oxide nanoparticles are attached to surfaces of alloy particles constituting the alloy powder, and an additively manufactured article produced using the alloy powder material for additive manufacturing.
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公开(公告)号：EP4438761A1
公开(公告)日：2024-10-02
申请号：EP22895942.5
申请日：2022-11-07
申请人： POSCO Co., Ltd
发明人： YI, Il-Cheol , KIM, Sung-Il
IPC分类号： C22C38/38 , C22C38/22 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/00 , C22C38/58 , C21D8/02 , B21C47/02
CPC分类号： B21C47/02 , C21D8/02 , C22C38/00 , C22C38/22 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/38 , C22C38/58
摘要： An embodiment of the present invention provides a hot-rolled steel sheet comprising, by wt%, 0.06-0.12% of C, 0.004-0.4% of Si, 0.8-2.0% of Mn, 0.01-0.05% of Al, 0.05-1.0% of Cr, 0.001-0.3% of Mo, 0.001-0.05% of P, 0.001-0.005% of S, 0.001-0.01% of N, 0.001-0.05% of Nb, 0.001-0.05% of Ti, 0.001-0.005% of B, and the remainder of Fe and other inevitable impurities, satisfying relational formula 1 below, and having a microstructure including, by area%, at least one from among 5-15% of austenite, 80% or more of auto-tempered martensite, and the remainder of bainite and ferrite. 10C+Si+2.5Mn/1.5Cr+2.0Mo−3.2Nb≤20
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公开(公告)号：EP4438203A1
公开(公告)日：2024-10-02
申请号：EP22898588.3
申请日：2022-11-22
申请人： Proterial, Ltd.
IPC分类号： B22F7/08 , B22C9/06 , B22D17/22 , B22F1/00 , B23K9/04 , B23K26/342 , C22C1/04 , C22C1/10 , C22C14/00 , C22C19/05 , C22C19/07 , C22C27/04 , C22C38/00 , C22C38/14 , C23C24/10 , C23C26/00
CPC分类号： B22C9/06 , B22D17/22 , B22F1/00 , B22F7/08 , B23K9/04 , B23K26/342 , C22C1/04 , C22C1/10 , C22C14/00 , C22C19/05 , C22C19/07 , C22C27/04 , C22C38/00 , C22C38/14 , C23C24/10 , C23C26/00
摘要： This invention provides a composite material that is durable in a hot environment and easily produced. The composite material according to the invention has an overlaid part comprising high-melting-point metal in at least a part on the surface of a low-melting-point alloy member having a melting point of 1600°C or lower. The overlaid part comprising high-melting-point metal comprises high-melting-point metal particles comprising high-melting-point metal elements having a melting point of 2400°C or higher scattered therein and comprises the high-melting-point metal elements that account for 50% by mass to 95% by mass thereof.
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公开(公告)号：EP4438201A1
公开(公告)日：2024-10-02
申请号：EP22895502.7
申请日：2022-11-09
申请人： Nichia Corporation
发明人： AKAMATSU, Jun , ABE, Satoshi , ABE, Masahiro , IWAI, Kenta , YAMANAKA, Satoshi , TADA, Shuichi , IMAOKA, Nobuyoshi
IPC分类号： B22F1/16 , B22F1/00 , B22F1/14 , B22F3/00 , C22C38/00 , C23C22/07 , H01F1/059 , H01F1/06 , H01F1/08
CPC分类号： B22F1/00 , B22F1/14 , B22F1/16 , B22F3/00 , H01F1/059 , H01F1/06 , H01F1/08 , C22C38/00 , C23C22/07
摘要： Provided are a magnetic powder having good high-frequency characteristics with low iron loss and good efficiency even at high frequencies, a method of producing a magnetic powder having good high-frequency characteristics with small degradation due to eddy currents and good absorption characteristics even at hyper-high frequencies, a magnetic material for magnetic field amplification having magnetic field amplification characteristics at high frequencies, and a magnetic material for hyper-high frequency absorption. Included is a method of producing a magnetic powder which includes performing a phosphorus treatment to obtain a phosphorus compound and a rare earth-iron-nitrogen-based magnetic powder, the phosphorus treatment including adding an inorganic acid to a slurry containing: a rare earth-iron-nitrogen-based magnetic powder containing R, Fe, and N, where R represents at least one selected from the group consisting of Y, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Er, Tm, Lu, and Sm, and if R contains Sm, Sm constitutes less than 50 atm% of a total R content; water; and a phosphorus-containing substance. Also included are a magnetic material for magnetic field amplification and a magnetic material for hyper-high frequency absorption each of which contains a phosphorus compound and a rare earth-iron-nitrogen-based magnetic powder.
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公开(公告)号：EP3445883B1
公开(公告)日：2024-10-02
申请号：EP16795054.2
申请日：2016-11-14
IPC分类号： C22C38/00 , B21C37/12 , C21D9/08 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/24 , C22C38/28 , C22C38/32 , B23K9/032 , B23K26/302 , C21D8/10 , B23K101/06 , B23K103/02
CPC分类号： B23K9/0325 , C21D9/08 , C22C38/00 , C22C38/001 , C22C38/005 , C22C38/06 , C22C38/22 , C22C38/28 , C22C38/32 , C21D8/105 , B23K26/302 , B23K2101/0620180801 , B23K2103/0220180801 , B21C37/122 , C22C38/04 , C22C38/24
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公开(公告)号：EP4435128A1
公开(公告)日：2024-09-25
申请号：EP22920503.4
申请日：2022-12-06
发明人： MORIMOTO, Ryohei , YANG, Lingling , TOJI, Yuki
摘要： A high-strength steel sheet having a tensile strength of 1320 MPa or more and excellent in ductility, hole expandability, and delayed fracture resistance characteristics is provided. The above-described high-strength steel sheet includes a specific component composition including Ti and the like, wherein a diffusible hydrogen amount in steel is 0.50 ppm by mass or less, tempered martensite and bainite are 70.0 to 95.0%, fresh martensite is 15.0% or less, retained austenite is 5.0 to 15.0%, an average grain size of a precipitate A, which is a carbide, nitride, or carbonitride containing at least one selected from the group consisting of Ti, Nb, and V is 0.001 to 0.050 µm, a number density NS of the precipitate A having a major axis of 0.050 um or less is 10/µm2 or more, and a ratio of the number density NS and a number density NL of the precipitate A having a major axis of more than 0.050 um is 10.0 or more.
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7.发明公开
公开(公告)号：EP4428260A1
公开(公告)日：2024-09-11
申请号：EP22892427.0
申请日：2022-09-22
摘要： A hot-rolled steel sheet which has excellent rigidity along with high strength, excellent workability, and excellent LME resistance is provided. A hot-rolled steel sheet of the present embodiment consists of, in mass%, C: 0.040 to 0.120%, Si: 0.01 to 0.60%, Mn: 0.50 to 1.50%, P: 0.025% or less, S: 0.010% or less, Al: 0.010 to 0.070%, N: 0.0070% or less, Ti: 0.055 to 0.200%, and B: 0.0010 to 0.0050%, with the balance being Fe and impurities. In the microstructure of the hot-rolled steel sheet, an area fraction of bainitic ferrite is 85% or more and the dislocation density is 8.0×1013 to 100.0×1013/m2. The average equivalent circular diameter of Ti carbides in the hot-rolled steel sheet is 10 nm or less, and the average equivalent circular diameter of grains of the bainitic ferrite is 15 µm or less.
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公开(公告)号：EP4424850A1
公开(公告)日：2024-09-04
申请号：EP22886984.8
申请日：2022-10-25
摘要： A martensitic stainless steel round bar that has high strength, excellent SSC resistance, and excellent SCC resistance in an environment of 175°C is provided. A martensitic stainless steel round bar of the present disclosure contains, in mass%, C: 0.030% or less, Cr: 10.00 to 14.00%, Ni: 5.00 to 7.50%, Mo: 1.50 to 4.00%, Cu: 1.00 to 3.50%, W: 0.01 to 2.00%, and Co: 0.010 to 0.500%, and has a yield strength of 862 MPa or more. When, at the center position of a cross section perpendicular to the axial direction of the martensitic stainless steel round bar, a dissolved Mo concentration in percent by mass is defined as [Mo]c, a dissolved W concentration in percent by mass is defined as [W]c, an Mo concentration in percent by mass in a residue obtained by constant-current electrolysis is defined as [Mo]R, and a W concentration in percent by mass in the residue is defined as [W]R, Formula (1) and Formula (2) are satisfied. F1=MoC+0.5WC≥2.45 F2=F1/MoR+WR≥13.0
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公开(公告)号：EP3951176B1
公开(公告)日：2024-09-04
申请号：EP20776408.5
申请日：2020-02-26
IPC分类号： F04B39/00 , C01B32/05 , C01B32/20 , C21D5/00 , C22C37/04 , C22C38/04 , F04C18/356 , F04C29/00 , C21D1/18 , C21D9/00
CPC分类号： C01B32/05 , C21D5/00 , C22C37/04 , C21D1/25 , C21D9/38 , F04C18/3562 , F04C23/008 , F04C2230/9120130101 , F05C2201/043920130101 , F05C2251/1020130101 , F04C2210/2620130101 , C21D2211/00420130101 , C22C38/00 , C22C38/12
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10.发明授权
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