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1.发明申请公开(公告)号：US20130292010A1
公开(公告)日：2013-11-07
申请号：US13825236
申请日：2011-09-15
申请人： Hideyuki Kimura , Kaneharu Okuda , Reiko Sugihara
发明人： Hideyuki Kimura , Kaneharu Okuda , Reiko Sugihara
CPC分类号： C23C2/02 , B32B15/013 , C21D8/0405 , C21D9/48 , C21D2211/005 , C21D2211/008 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/60 , C23C2/06 , C23C2/28
摘要： A high-strength galvanized steel sheet contains C: 0.010% or more and 0.06% or less, Si: more than 0.5% and 1.5% or less, Mn: 1.0% or more and 3.0% or less, P: 0.005% or more and 0.1% or less, S: 0.01% or less, sol.Al: 0.005% or more and 0.5% or less, N: 0.01% or less, Nb: 0.010% or more and 0.090% or less, and Ti: 0.015% or more and 0.15% or less, on a mass percent basis. The Nb and C contents of the steel satisfy the relation of (Nb/93)/(C/12)
摘要翻译： 高强度镀锌钢板含有C：0.010％以上且0.06％以下，Si：大于0.5％，1.5％以下，Mn：1.0％以上3.0％以下，P：0.005％以上 和0.1％以下，S：0.01％以下，sol.Al：0.005％以上且0.5％以下，N：0.01％以下，Nb：0.010％以上且0.090％以下，Ti：0.015 ％以上且0.15％以下，以质量％计。 钢的Nb和C含量满足（Nb / 93）/（C / 12）<0.20的关系。 C *满足0.005 @ C * @ 0.025。 铁素体构成钢板的70面积比以上。 马氏体构成钢板的3面积比以上。 C * = C-（12/93）Nb-（12/48）{Ti-（48/14）N}，其中C，Nb，Ti和N表示C，Nb，Ti和N含量 钢。
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公开(公告)号：US20120037281A1
公开(公告)日：2012-02-16
申请号：US13147304
申请日：2010-02-02
CPC分类号： C23C2/40 , C21D6/00 , C21D9/46 , C21D2211/005 , C21D2211/008 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/18 , C22C38/22 , C22C38/28 , C22C38/32 , C23C2/02 , C23C2/06 , C23C2/28 , Y10T428/12799 , Y10T428/12972
摘要： The high strength galvanized steel sheet contains C: more than 0.015% and lower than 0.100%, Si: 0.3% or lower, Mn: lower than 1.90%, P: 0.015% or more and 0.05% or lower, S: 0.03% or lower, sol.Al: 0.01% or more and 0.5% or lower, N: 0.005% or lower, Cr: lower than 0.30%, B: 0.0003% or more and 0.005% or lower, and Ti: lower than 0.014% in terms of mass %, and satisfies 2.2≦[Mneq]≦3.1 and 0.42≦8[% P]+150B*≦0.73. The steel microstructure contains ferrite and a second phase, in which the second phase area ratio is 3 to 15%, the ratio of the area ratio of martensite and retained γ to the second phase area ratio is more than 70%, and 50% or more of the area ratio of the second phase exists in the grain boundary triple point.
摘要翻译： 高强度镀锌钢板含有C：大于0.015％且低于0.100％，Si：0.3％以下，Mn：低于1.90％，P：0.015％以上0.05％以下，S：0.03％以下 较低，sol.Al：0.01％以上且0.5％以下，N：0.005％以下，Cr：0.30以下，B：0.0003％以上且0.005％以下，Ti：低于0.014％ 质量％，满足2.2＆nlE; [Mneq]＆nlE; 3.1和0.42＆nlE; 8 [％P] + 150B *＆nlE; 0.73。 钢微结构含有铁素体和第二相，其中第二相面积比为3〜15％，马氏体与残留γ的面积比与第二相面积比的比例为70％以上，50％以下 在晶界三点存在更多的第二相面积比。
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公开(公告)号：US20100319819A1
公开(公告)日：2010-12-23
申请号：US12866382
申请日：2009-02-04
CPC分类号： C22C38/04 , C21D8/0226 , C21D8/0263 , C21D9/46 , C21D2211/004 , C21D2211/005 , C22C38/06 , C22C38/14
摘要： A high-strength hot-rolled steel sheet has a tensile strength (TS) of 540 to 780 MPa, only small variations in strength, and excellent uniformity in strength using a general-purpose Ti-containing steel sheet, which is inexpensive. The high-strength hot-rolled steel sheet includes, on a mass percent basis, 0.05%-0.12% C, 0.5% or less Si, 0.8%-1.8% Mn, 0.030% or less P, 0.01% or less S, 0.005%-0.1% Al, 0.01% or less N, 0.030%-0.080% Ti, and the balance being Fe and incidental impurities. The microstructure have a volume fraction of polygonal ferrite of 70% or more, and the amount of Ti present in a precipitate having a size of less than 20 nm is 50% or more of the value of Ti* calculated using formula (1): Ti*=[Ti]−48/14×[N] (1) where [Ti] and [N] represent a Ti content (percent by mass) and a N content (percent by mass), respectively, of the steel sheet.
摘要翻译： 高强度热轧钢板的拉伸强度（TS）为540〜780MPa，强度变化小，使用廉价的通用含Ti钢板的强度均匀性优异。 高强度热轧钢板以质量％计含有0.05％-0.12％C，0.5％以下Si，0.8％-1.8％Mn，0.030％以下P，0.01％以下S，0.005 ％-0.1％Al，0.01％以下N，0.030％-0.080％Ti，余量为Fe和附带杂质。 微结构具有70％以上的多边形铁素体的体积分率，并且存在于尺寸小于20nm的析出物中的Ti的量为使用式（1）计算的Ti *值的50％以上： Ti * = [Ti] -48 / 14×[N]（1）其中[Ti]和[N]分别表示钢板的Ti含量（质量％）和N含量（质量％） 。
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公开(公告)号：US6042952A
公开(公告)日：2000-03-28
申请号：US952013
申请日：1997-11-12
申请人： Makoto Aratani , Naotoshi Ryu , Hideo Kuguminato , Akio Tosaka , Kaneharu Okuda , Masatoshi Aratani , Susumu Okada
发明人： Makoto Aratani , Naotoshi Ryu , Hideo Kuguminato , Akio Tosaka , Kaneharu Okuda , Masatoshi Aratani , Susumu Okada
IPC分类号： B21B1/22 , B21B1/24 , B21B1/26 , B21B1/28 , B21B1/38 , B21B1/40 , B21B3/00 , B21B13/02 , B21B15/00 , B21B45/00 , C21D8/02 , C21D9/46 , C21D9/48 , C22C38/00 , C22C38/06 , C22C38/54 , C25D5/26
CPC分类号： B21B1/24 , C21D8/0226 , B21B1/26 , B21B1/28 , B21B1/40 , B21B13/023 , B21B15/0085 , B21B2001/228 , B21B2001/383 , B21B45/004 , C21D8/0278 , Y10T428/12722 , Y10T428/12854 , Y10T428/12972
摘要： A steel slab is rough-rolled into a sheet bar and butt-joined onto a preceding sheet bar and a widthwise end portion of the sheet bar is heated by means of an edge heater and then subjected to a continuous finish rolling through pair-cross rolls rolling on at least 3 stands to provide a hot rolled steel strip having a width of not less than 950 mm, a thickness of 0.5-2 mm and a crown within .+-.40 .mu.m, and the hot rolled steel strip is subjected to cold rolling, continuous annealing, temper rolling and, if necessary, plating treatment on the surface of the cold rolled steel strip, whereby there is obtained a steel sheet having an average thickness of not more than 0.20 mm and a width of not less than 950 mm, a thickness variation quantity in a widthwise direction is within .+-.4% of the average thickness in a region corresponding to not less than 95% of the width of the steel sheet as cold rolled and a hardness (HR30T) variation in the widthwise direction is within .+-.3 of an average hardness.
摘要翻译： PCT No.PCT / JP97 / 00826 Sec。 371日期1997年11月12日 102（e）日期1997年11月12日PCT 1997年3月14日PCT公布。 公开号WO97 / 33706 日期1997年9月18日将钢坯粗轧成板坯，并对接在前面的板坯上，并且通过边缘加热器加热板坯的宽度方向端部，然后进行连续精轧 通过在至少3个立场上滚轧的双向辊，提供宽度不小于950mm，厚度为0.5-2mm，表冠在+/-40μm内的热轧钢带，热轧 对钢带进行冷轧，连续退火，回火轧制，如果需要，在冷轧钢带的表面进行电镀处理，得到平均厚度不大于0.20mm的钢板，宽度 不小于950mm的宽度方向上的厚度变化量在对应于不低于冷轧钢板的宽度的95％的区域中的平均厚度的+/- 4％内，硬度（ HR30T）宽度方向的变化在+/- 3的平均硬度。
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公开(公告)号：US09598755B2
公开(公告)日：2017-03-21
申请号：US13825236
申请日：2011-09-15
申请人： Hideyuki Kimura , Kaneharu Okuda , Reiko Sugihara
发明人： Hideyuki Kimura , Kaneharu Okuda , Reiko Sugihara
CPC分类号： C23C2/02 , B32B15/013 , C21D8/0405 , C21D9/48 , C21D2211/005 , C21D2211/008 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/60 , C23C2/06 , C23C2/28
摘要： A high-strength galvanized steel sheet contains C: 0.010% or more and 0.06% or less, Si: more than 0.5% and 1.5% or less, Mn: 1.0% or more and 3.0% or less, P: 0.005% or more and 0.1% or less, S: 0.01% or less, sol.Al: 0.005% or more and 0.5% or less, N: 0.01% or less, Nb: 0.010% or more and 0.090% or less, and Ti: 0.015% or more and 0.15% or less, on a mass percent basis. The Nb and C contents of the steel satisfy the relation of (Nb/93)/(C/12)
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6.发明授权公开(公告)号：US09452792B2
公开(公告)日：2016-09-27
申请号：US14116847
申请日：2012-04-23
申请人： Shusaku Takagi , Kaneharu Okuda , Yoshikiyo Tamai , Takeshi Fujita , Yoshitaka Okitsu , Tadashi Naito , Naoki Takaki , Tomoaki Sugiura
发明人： Shusaku Takagi , Kaneharu Okuda , Yoshikiyo Tamai , Takeshi Fujita , Yoshitaka Okitsu , Tadashi Naito , Naoki Takaki , Tomoaki Sugiura
IPC分类号： C22C38/04 , C22C38/12 , C22C38/06 , C21D7/00 , B62D29/00 , C21D9/00 , C22C38/00 , C22C38/02 , B21D53/88 , C21D9/46
CPC分类号： B62D29/007 , B21D53/88 , C21D9/0068 , C21D9/46 , C21D2211/001 , C21D2211/005 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , Y10T29/49622
摘要： A vehicle collision energy absorbing member is excellent in collision energy absorbing performance in the axial direction upon collision. The vehicle collision energy absorbing member is formed of a high strength thin steel sheet having TS of at least 980 MPa and having an n-value and a limit bending radius Rc satisfying the following Formula: Rc/t≦1.31×ln(n)+5.21.
摘要翻译： 车辆碰撞能量吸收构件在碰撞时轴向碰撞能量吸收性能优异。 车辆碰撞能量吸收部件由具有至少980MPa的TS且具有满足下式的n值和极限弯曲半径Rc的高强度薄钢板形成：Rc /t≤1.31×ln（n）+ 5.21。
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7.发明授权公开(公告)号：US09175374B2
公开(公告)日：2015-11-03
申请号：US14239683
申请日：2012-08-23
IPC分类号： B32B15/04 , B32B15/18 , C23C2/02 , C23C2/06 , C21D8/02 , C23C2/28 , C21D9/48 , C22C38/00 , C22C38/14 , C22C38/60 , B32B15/01 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C23C2/40
CPC分类号： C23C2/02 , B32B15/013 , C21D8/0236 , C21D8/0263 , C21D9/48 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/38 , C22C38/60 , C23C2/06 , C23C2/28 , C23C2/40 , Y10T428/12799 , Y10T428/12972
摘要： A high strength hot-dip galvanized steel sheet has TS of 440 MPa or more and an average r value of 1.30 or more, where the absolute value of the planar anisotropy of the r value (Δr) is 0.20 or less. A chemical composition contains C: 0.010% or more and 0.04% or less, Si: more than 1.0% and 1.5% or less, Mn: 1.0% or more and 3.0% or less, P: 0.005% or more and 0.1% or less, S: 0.01% or less, sol. Al: 0.005% or more and 0.5% or less, N: 0.01% or less, Nb: 0.010% or more and less than 0.05%, Ti: 0.015% or more and 0.120% or less, and the remainder composed of Fe and incidental impurities, wherein (Nb/93)/(C/12) 0.20 and 0.005
摘要翻译： 高强度热浸镀锌钢板的r值（＆Dgr; r）的平面各向异性的绝对值为0.20以下，TS为440MPa以上，平均r值为1.30以上。 化学成分含有C：0.010％以上且0.04％以下，Si：1.0％以上且1.5％以下，Mn：1.0％以上3.0％以下，P：0.005％以上且0.1％以下 较少，S：0.01％以下，溶胶。 Al：0.005％以上且0.5％以下，N：0.01％以下，Nb：0.010％以上且小于0.05％，Ti：0.015％以上且0.120％以下，余量由Fe和 其中（Nb / 93）/（C / 12）0.20和0.005
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公开(公告)号：US08696832B2
公开(公告)日：2014-04-15
申请号：US12866513
申请日：2009-02-04
CPC分类号： C22C38/04 , C21D1/20 , C21D8/0226 , C21D8/0263 , C21D9/46 , C21D2211/002 , C21D2211/004 , C21D2211/005 , C22C38/02 , C22C38/06 , C22C38/14
摘要： A high-strength hot-rolled steel sheet has a tensile strength (TS) of 540 to 780 MPa, only small variations in strength, and excellent uniformity in strength using a general-purpose Ti-containing steel sheet, which is inexpensive. The high-strength hot-rolled steel sheet includes, on a mass percent basis, 0.05%-0.12% C, 0.5% or less Si, 0.8%-1.8% Mn, 0.030% or less P, 0.01% or less S, 0.005%-0.1% Al, 0.01% or less N, 0.030%-0.080% Ti, and the balance being Fe and incidental impurities. The microstructure have a bainitic ferrite fraction of 70% or more, and the amount of Ti present in a precipitate having a size of less than 20 nm is 50% or more of the value of Ti* calculated using formula (1): Ti*=[Ti]−48/14×[N] (1) where [Ti] and [N] represent a Ti content (percent by mass) and a N content (percent by mass), respectively, of the steel sheet.
摘要翻译： 高强度热轧钢板的拉伸强度（TS）为540〜780MPa，强度变化小，使用廉价的通用含Ti钢板的强度均匀性优异。 高强度热轧钢板以质量％计含有0.05％-0.12％C，0.5％以下Si，0.8％-1.8％Mn，0.030％以下P，0.01％以下S，0.005 ％-0.1％Al，0.01％以下N，0.030％-0.080％Ti，余量为Fe和附带杂质。 显微组织具有70％以上的贝氏体铁素体分数，并且存在于尺寸小于20nm的析出物中的Ti的量为使用式（1）计算的Ti *值的50％以上：Ti * = [Ti] -48 / 14×[N]（1）其中[Ti]和[N]分别表示钢板的Ti含量（质量％）和N含量（质量％）。
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公开(公告)号：US20120118439A1
公开(公告)日：2012-05-17
申请号：US13380371
申请日：2010-06-25
申请人： Yoshihiko Ono , Kenji Takahashi , Kaneharu Okuda , Shoichiro Taira , Michitaka Sakurai , Yusuke Fushiwaki
发明人： Yoshihiko Ono , Kenji Takahashi , Kaneharu Okuda , Shoichiro Taira , Michitaka Sakurai , Yusuke Fushiwaki
CPC分类号： C23C2/02 , C21D9/46 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/32 , C22C38/38 , C23C2/06 , C23C2/28
摘要： A high-strength galvanized steel sheet has a low YP, good stretch flangeability, and excellent corrosion resistance and contains, on a percent by mass basis, more than 0.015% to less than 0.10% of C, 0.5% or less of Si, 1.0% to 1.9% of Mn, 0.015% to 0.050% of P, 0.03% or less of S, 0.01% to 0.5% of sol. Al, 0.005% or less of N, less than 0.40% of Cr, 0.005% or less of B, less than 0.15% of Mo, 0.4% or less of V, and less than 0.020% of Ti, in which 2.2≦[Mneq]≦3.1 and [% Mn]+3.3[% Mo]≦1.9, and [% Mn]+3.3 [% Mo])/(1.3[% Cr]+8[% P]+150B*)
摘要翻译： 高强度镀锌钢板具有低YP，良好的拉伸凸缘性和优异的耐腐蚀性，并且以质量％计含有C：0.015％以上且小于0.10％的C，0.5％以下的Si，1.0 Mn的1.9％以下，P：0.015〜0.050％，S：0.03％以下，溶胶的0.01〜0.5％。 Al，0.005％以下的N，小于0.40％的Cr，0.005％以下的B，小于0.15％的Mo，0.4％以下的V和小于0.020％的Ti，其中2.2和nlE; [Mneq]＆nlE; 3.1和[％Mn] +3.3 [％Mo]＆nlE; 1.9和[％Mn] +3.3 [％Mo]）/（1.3 [％Cr] +8 [％P] + 150B * <3.5满意。
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公开(公告)号：US20100132850A1
公开(公告)日：2010-06-03
申请号：US12667876
申请日：2008-07-10
CPC分类号： C23C2/02 , B32B15/013 , C21D8/0473 , C21D9/48 , C21D2211/002 , C21D2211/005 , C21D2211/008 , C21D2211/009 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/18 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/38 , C23C2/06 , C23C2/28
摘要： A high-strength hot-dip galvanized steel sheet that even on the premise of ordinary CGL heat cycle, has a low yield stress and excels in resistance to natural aging and baking hardenability without reliance on the use of expensive Mo; and a process for producing the same. The constituent composition thereof comprises 0.01 to less than 0.08% C, 0.2% or less Si, more than 1.0 to 1.8% Mn, 0.10% or less P, 0.03% or less S, 0.1% or less Al, 0.008% or less N and more than 0.5% Cr so that the relationship 1.95≦Mn(mass %)+1.3Cr(mass %)≦2.8 is satisfied and comprising the balance iron and unavoidable impurities. The structure thereof has a ferrite phase and a martensite phase of 2 to 15% area ratio, and the cumulative area ratio of pearlite phase and/or bainite phase is 1.0% or less. In the production of this hot-dip galvanized steel sheet, the temperature and cooling rate are controlled during the annealing/plating operation subsequent to cold rolling.
摘要翻译： 即使在普通CGL热循环的前提下，高强度热镀锌钢板也具有低屈服应力，耐天然老化和烘烤淬透性优异，而不依赖于使用昂贵的Mo; 及其制造方法。 其构成组成包括0.01至小于0.08％的C，0.2％或更少的Si，大于1.0至1.8％的Mn，0.10％或更少的P，0.03％以下的S，0.1％以下的Al，0.008％以下的N 和大于0.5％的Cr，使得满足关系1.95＆nlE; Mn（质量％）+ 1.3Cr（质量％）＆nlE; 2.8，并且包括余量的铁和不可避免的杂质。 其结构具有铁素体相和面积比为2〜15％的马氏体相，并且珠光体相和/或贝氏体相的累积面积比为1.0％以下。 在该热镀锌钢板的制造中，在冷轧后的退火/电镀操作中控制温度和冷却速度。
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