公开(公告)号：US06767412B2

公开(公告)日：2004-07-27

申请号：US10221685

申请日：2003-01-14

申请人： Karl Ernst Friedrich ,  Brigitte Hammer ,  Rudolf Kawalla ,  Olaf Fischer ,  Jürgen Schneider ,  Carl-Dieter Wuppermann

发明人： Karl Ernst Friedrich ,  Brigitte Hammer ,  Rudolf Kawalla ,  Olaf Fischer ,  Jürgen Schneider ,  Carl-Dieter Wuppermann

IPC分类号： H01F100

CPC分类号： C21D8/1222 ,  C21D3/04 ,  C21D8/1233 ,  C21D8/1272

摘要： The invention relates to a method for producing non-grain-oriented hot-rolled magnetic steel sheet in which from a raw material such as cast slabs, strip, roughed strip or thin slabs produced from a steel comprising (in weight %) C: 0.0001-0.05%; Si: ≦1.5%; Al: ≦0.5%, wherein [% Si]+2[% Al]≦1.8; Mn: 0.1-1.2%; if necessary up to a total of 1.5% of alloying additions such as P, Sn, Sb, Zr, V, Ti, N, Ni, Co, Nb and/or B, with the remainder being iron and the usual impurities, in a finishing roll line at temperatures above the Ar1 temperature, a hot strip with a thickness ≦1.5 mm is rolled, wherein at least the last forming pass of hot rolling is carried out in the mixed region austenite/ferrite and wherein the total deformation &egr;H achieved during rolling in the mixed region austenite/ferrite is

公开(公告)号：US07501028B2

公开(公告)日：2009-03-10

申请号：US10514983

申请日：2003-05-15

申请人： Brigitte Hammer ,  Karl Ernst Friedrich ,  Olaf Fischer ,  Jürgen Schneider ,  Carl-Dieter Wuppermann

发明人： Brigitte Hammer ,  Karl Ernst Friedrich ,  Olaf Fischer ,  Jürgen Schneider ,  Carl-Dieter Wuppermann

IPC分类号： H01F1/147

CPC分类号： C21D8/1222 ,  C21D8/0236 ,  C21D8/0273 ,  H01F1/14775

摘要： The invention relates to non-grain oriented magnetic steel sheets which can be produced as final annealed and as a non-final annealed types in such a way that they have improved magnetic polarisation and reduced magnetic reversal losses compared with the previously achieved values. This is achieved in that a suitably composed steel, during its cooling starting from a maximum initial temperature of 1,300° C., passes through a temperature range with substantially complete exclusion of a purely austenitic structure (γ phase), in which range it comprises an austenite/ferrite dual phase multi-structure (α, γ multi-phases), so the magnetic steel sheet, after hot rolling, etching, cold rolling and annealing of the hot strip obtained after hot rolling, has a magnetic polarisation J2500≧1.74 T, measured in the longitudinal direction of the strip or sheet and at a magnetic field strength of 2,500 A/m and a value P1.5(50) of the magnetic losses of

摘要翻译： 本发明涉及可以作为最终退火生产的非晶粒取向的电磁钢板和非最终退火类型，使得它们与先前实现的值相比具有改进的磁极化和减小的磁反转损耗。 这是通过适当组合的钢在从1300℃的最高初始温度开始的冷却期间通过温度范围，完全排除纯奥氏体结构（γ相），其范围包括 奥氏体/铁素体双相多结构（α，γ多相），因此电磁钢板经过热轧后的热轧，蚀刻，冷轧和退火得到的热轧后，具有磁极化J2500> = 1.74 T，在带材或片材的纵向方向上测量的磁场强度为2500A / m，磁损耗为4.5W / kg的值为P1.5（50），在 J = 1.5T，频率f = 50Hz。

公开(公告)号：US06773514B1

公开(公告)日：2004-08-10

申请号：US10030259

申请日：2002-06-06

申请人： Rudolf Kawalla ,  Hans Pircher ,  Karl Ernst Friedrich ,  Brigitte Hammer ,  Jürgen Schneider ,  Olaf Fischer ,  Carl-Dieter Wuppermann

发明人： Rudolf Kawalla ,  Hans Pircher ,  Karl Ernst Friedrich ,  Brigitte Hammer ,  Jürgen Schneider ,  Olaf Fischer ,  Carl-Dieter Wuppermann

IPC分类号： H01F100

CPC分类号： C21D8/1261 ,  C21D8/1222 ,  C21D8/1272

摘要： The present invention relates to a method for producing non grain-oriented magnetic steel sheets in which hot strip is produced from an input stock such as cast slabs, strip, roughed strip, or thin slabs, made of steel comprising (in weight %) C: 0.001-0.05%; Si: ≦1.5%; Al: ≦0.4% with Si+2Al≦1.7%; Mn: 0.1-1.2%; if necessary up to a total of 1.5% of alloying additions such as P, Sn, Sb, Zr, V, Ti, N, Ni, Co, Nb and/or B; with the remainder being iron as well as the usual accompanying elements; in that the input stock is hot-rolled directly from the casting heat or after preceding reheating to a reheating temperature between min. 1000° C. and max. 1180° C. in several deformation passes, and subsequently coiled, wherein during hot-rolling at least the first deformation pass takes place in the austenitic region and at least one further deformation pass takes place in the two-phase mixing region austenite/ferrite, and wherein during rolling in the two-phase mixing region a total deformation &egr;h of at least 35% is achieved.

摘要翻译： 本发明涉及一种非晶取向电磁钢板的制造方法，其特征在于，使用由含有（重量％）C以上的钢的铸钢板，带材，粗轧带或薄板坯等输入坯料制成热轧带钢 ：0.001-0.05％ Si：<= 1.5％; Al：Si + 2Al <= 1.7％时<= 0.4％; Mn：0.1-1.2％; 必要时可以添加合金添加剂如P，Sn，Sb，Zr，V，Ti，N，Ni，Co，Nb和/或B的合计添加量的1.5％ 其余的是铁和通常的伴随元素; 因为输入原料直接从铸造热或在先前的再加热之后热轧到最小的再加热温度。 1000°C和最大 1180℃，然后卷绕，其中在热轧期间，至少第一变形通过发生在奥氏体区域中，并且在两相混合区域奥氏体/铁素体中进行至少一个进一步的变形通过， 并且其中在所述两相混合区域中的轧制期间，实现至少35％的总变形ε。

公开(公告)号：US20050247373A1

公开(公告)日：2005-11-10

申请号：US10514983

申请日：2003-05-15

申请人： Brigitte Hammer ,  Karl Friedrich ,  Olaf Fischer ,  Jurgen Schneider ,  Carl-Dieter Wuppermann

发明人： Brigitte Hammer ,  Karl Friedrich ,  Olaf Fischer ,  Jurgen Schneider ,  Carl-Dieter Wuppermann

IPC分类号： C21D8/02 ,  C21D8/12 ,  C22C38/00 ,  C22C38/06 ,  C22C38/16 ,  H01F1/147 ,  H01F1/16

CPC分类号： C21D8/1222 ,  C21D8/0236 ,  C21D8/0273 ,  H01F1/14775

摘要： The invention relates to non-grain oriented magnetic steel sheets which can be produced as final annealed and as a non-final annealed types in such a way that they have improved magnetic polarisation and reduced magnetic reversal losses compared with the previously achieved values. This is achieved in that a suitably composed steel, during its cooling starting from a maximum initial temperature of 1,300° C., passes through a temperature range with substantially complete exclusion of a purely austenitic structure (γ phase), in which range it comprises an austenite/ferrite dual phase multi-structure (α, γ multi-phases), so the magnetic steel sheet, after hot rolling, etching, cold rolling and annealing of the hot strip obtained after hot rolling, has a magnetic polarisation J2500≧1.74 T, measured in the longitudinal direction of the strip or sheet and at a magnetic field strength of 2,500 A/m and a value P1.5(50) of the magnetic losses of

摘要翻译： 本发明涉及可以作为最终退火生产的非晶粒取向的电磁钢板和非最终退火类型，使得它们与先前实现的值相比具有改进的磁极化和减小的磁反转损耗。 这是通过适当组合的钢在从1300℃的最高初始温度开始的冷却期间通过温度范围，完全排除纯奥氏体结构（γ相），其范围包括 奥氏体/铁素体双相多结构（α，γ多相），因此在热轧后获得的热轧带钢的热轧，蚀刻，冷轧和退火后的磁性钢板具有磁极化J < 2500 > = 1.74T，在条带或片材的纵向方向上测量，并且磁场强度为2500A / m，磁损耗的值P <1.5（50） 在J = 1.5T和频率f = 50Hz下沿条带的纵向测量的<4.5W / kg。

公开(公告)号：US06503339B1

公开(公告)日：2003-01-07

申请号：US09622604

申请日：2000-11-07

申请人： Hans Pircher ,  Rudolf Kawalla ,  Manfred Espenhahn ,  Brigitte Hammer ,  Klaus Peters ,  Jürgen Schneider ,  Carl-Dieter Wuppermann

发明人： Hans Pircher ,  Rudolf Kawalla ,  Manfred Espenhahn ,  Brigitte Hammer ,  Klaus Peters ,  Jürgen Schneider ,  Carl-Dieter Wuppermann

IPC分类号： H01F1147

CPC分类号： C21D8/1222 ,  B21B2201/04 ,  B21B2201/16 ,  C21D8/1211 ,  C21D8/1233 ,  C22C38/02 ,  C22C38/04

摘要： The invention relates to a method to produce non-grain-oriented magnetic steel sheet made of thin-slab or slab casting with low specific total loss and high polarisation and favourable mechanical properties. It is a characteristic of the invention that the steel slabs are hot rolled either directly from the casting heat or after a reheating to T≧900 ° C. and two or more metal forming passes are performed in the two-phase region austenite/ferrite in the course of finishing rolling.

摘要翻译： 本发明涉及一种制造薄板坯或板坯铸造的非晶粒取向电磁钢板的方法，该薄板坯或板坯铸件具有低的总损耗和高极化性以及良好的机械性能。 本发明的特征在于，钢坯从铸造热直接或热再加热至T> = 900℃热轧，并且在两相区奥氏体/铁素体中进行两次以上的金属成形 在整理轧制过程中。

公开(公告)号：US20110220252A1

公开(公告)日：2011-09-15

申请号：US12673279

申请日：2008-08-07

申请人： Brigitte Hammer ,  Thomas Heller ,  Ekaterina Bocharova ,  Dorothea Mattissen ,  Günter Stich ,  Silke Strauss

发明人： Brigitte Hammer ,  Thomas Heller ,  Ekaterina Bocharova ,  Dorothea Mattissen ,  Günter Stich ,  Silke Strauss

IPC分类号： C21D8/04 ,  C22C38/22 ,  B23P17/00

CPC分类号： C22C38/38 ,  C22C38/001 ,  C22C38/02 ,  C22C38/06 ,  C22C38/22 ,  C22C38/28 ,  C22C38/32 ,  Y10T29/49991

摘要： A dual-phase steel, a flat product and processes for the production thereof. The dual-phase steel having a strength of at least 950 MPa, good deformability, and good surface finish. It is possible, when a simple production process is used, for the flat product produced from this steel to be formed into a complexly formed component, such as part of a car body, either uncoated or provided with an anti-corrosion coating. The steel according to the invention has a structure comprising 20-70% martensite, up to 8% retained austenite and the remainder ferrite and/or bainite and has the following composition (in % by weight): C: 0.050-0.105%, Si: 0.20-0.60%, Mn: 2.10-2.80%, Cr: 0.20-0.80%, Ti: 0.02-0.10%, B:

摘要翻译： 双相钢，扁平产品及其制造方法。 具有至少950MPa的强度，良好的变形性和良好的表面光洁度的双相钢。 当使用简单的生产工艺时，对于由该钢制成的扁平产品可以形成复合形成的部件，例如未涂覆或设有防腐蚀涂层的汽车车体的一部分。 根据本发明的钢具有包括20-70％的马氏体，高达8％的残余奥氏体，其余为铁素体和/或贝氏体，并且具有以下组成（按重量％计）：C：0.050-0.105％，Si ：0.20-0.60％，Mn：2.10-2.80％，Cr：0.20-0.80％，Ti：0.02-0.10％，B：<0.0020％，Mo：<0.25％，Al：<0.10％，Cu： ％，Ni：0.10％以下，Ca：0.005％以下，P：0.2％以下，S：0.01％以下，N：0.012％以下，余量为铁和不可避免的杂质。

公开(公告)号：US20100065161A1

公开(公告)日：2010-03-18

申请号：US12447625

申请日：2007-10-24

申请人： Brigitte Hammer ,  Thomas Heller ,  Johann Wilhelm Schmitz ,  Jochen Wans

发明人： Brigitte Hammer ,  Thomas Heller ,  Johann Wilhelm Schmitz ,  Jochen Wans

IPC分类号： C21D8/04 ,  B22D23/00 ,  B22D25/02

CPC分类号： C21D8/0415 ,  B22D11/001 ,  C21D8/0426 ,  C21D8/0436 ,  C21D8/0473 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28

摘要： A method, which allows high-tensile flat steel products to be manufactured with less effort includes a steel that forms a multi-phase microstructure and contains (in wt. %) 0.10-0.15% C, 0.80-1.20 % Mn, up to 0.030% P, up to 0.004 % S, 1.10-1.30 % Si, 0.0-0.05% Al, up to 0.0060% N, 0.30-0.60% Cr, 0.080-0.120% Ti, 0.040-0.060% Nb, 0.150-0.250% Mo remainder iron and unavoidable impurities, being cast into a cast strip having a thickness of 1-4 mm. The cast strip is hot-rolled in-line into a hot-rolled strip having a thickness of 0.5-3.2 mm in a continuous process at a final hot-rolling temperature ranging from 850 to 1000° C., the deformation degree being greater than 20%. The hot-rolled strip is coiled at a coiling temperature ranging from 450 to 700° C., so as to obtain a hot-rolled strip, which has a minimum tensile strength Rm of 880 MPa at a minimum breaking elongation A80 of 5%.

摘要翻译： 允许以较小的功率制造高强度扁钢产品的方法包括形成多相微结构的钢，其含有（重量％）0.10-0.15％C，0.80-1.20％Mn，至多0.030 ％P，最高0.004％S，1.10-1.30％Si，0.0-0.05％Al，至多0.0060％N，0.30-0.60％Cr，0.080-0.120％Ti，0.040-0.060％Nb，0.150-0.250％Mo 剩余的铁和不可避免的杂质，铸造成厚度为1-4mm的铸造带材。 在850〜1000℃的最终热轧温度下，将铸造带连续热轧成直径为0.5-3.2mm的热轧带材，变形度大于 20％。 将该热轧带卷绕在450-700℃的卷取温度下，得到最小拉伸强度Rm为880MPa，最小断裂伸长率A80为5％的热轧带材。

公开(公告)号：US20100043513A1

公开(公告)日：2010-02-25

申请号：US12447621

申请日：2007-10-24

申请人： Brigitte Hammer ,  Thomas Heller ,  Johann Wilhelm Schmitz ,  Jochen Wans

发明人： Brigitte Hammer ,  Thomas Heller ,  Johann Wilhelm Schmitz ,  Jochen Wans

IPC分类号： B21B47/00

CPC分类号： C21D8/0415 ,  B22D11/001 ,  B22D11/06 ,  C21D8/0426 ,  C21D8/0436 ,  C21D8/0473 ,  C21D2211/008 ,  C22C38/06 ,  C22C38/28 ,  C22C38/38

摘要： A method, which allows high-tensile flat steel products to be manufactured with less effort includes a steel that forms a multi-phase microstructure and contains (in wt. %) 0.08-0.12% C, 1.70-2.00% Mn, up to 0.030% P, up to 0.004% S, up to 0.20% Si, 0.01-0.06% Al, up to 0.0060% N, 0.20-0.50% Cr, 0.010-0.050% Ti, 0.0010-0.0045% B, remainder iron and unavoidable impurities, being cast into a cast strip having a thickness of 1-4 mm. The cast strip is hot-rolled in-line into a hot-rolled strip having a thickness of 0.5-3.2 mm in a continuous process at a final hot-rolling temperature ranging from 800 to 1100° .C, the deformation degree being greater than 20%. The hot-rolled strip is coiled at a coiling temperature ranging from 250 to 570° C., so as to obtain a hot-rolled strip, which has a minimum tensile strength Rm of 800 MPa at a minimum breaking elongation A80 of 5%.

摘要翻译： 允许以较小的努力制造高强度扁钢产品的方法包括形成多相微结构的钢，其含有（重量％）0.08-0.12％C，1.70-2.00％Mn，至多0.030 ％P，至多0.004％S，至多0.20％Si，0.01-0.06％Al，至多0.0060％N，0.20-0.50％Cr，0.010-0.050％Ti，0.0010-0.0045％B，余量为铁和不可避免的杂质 ，铸造成厚度为1-4mm的铸钢带。 在800〜1100℃的最终热轧温度下，将铸造带连续热轧成直径为0.5-3.2mm的热轧带材，变形度大于 20％。 将热轧带材卷绕在250〜570℃的卷取温度下，得到最小拉伸强度Rm为800MPa，最小断裂伸长率A80为5％的热轧带材。

公开(公告)号：US08815025B2

公开(公告)日：2014-08-26

申请号：US11592613

申请日：2006-11-03

申请人： Takeshi Yokota ,  Akio Kobayashi ,  Kazuhiro Seto ,  Yoshihiro Hosoya ,  Thomas Heller ,  Brigitte Hammer ,  Rolf Bode ,  Günter Stich

发明人： Takeshi Yokota ,  Akio Kobayashi ,  Kazuhiro Seto ,  Yoshihiro Hosoya ,  Thomas Heller ,  Brigitte Hammer ,  Rolf Bode ,  Günter Stich

IPC分类号： C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C21D8/02 ,  C22C38/04

CPC分类号： C21D8/0226 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14

摘要： A high strength steel, including about 0.05 to about 0.25% of C, less than about 0.5% of Si, about 0.5 to about 3.0% of Mn, not more than about 0.06% of P, not more than about 0.01% of S, about 0.50 to about 3.0% of Sol. Al, not more than about 0.02% of N, about 0.1 to about 0.8% of Mo, about 0.02 to about 0.40% of Ti, and the balance of iron and unavoidable impurities, wherein the steel has a structure formed of at least three phases including a bainite phase, and a retained austenite phase in addition to a ferrite phase having a composite carbide containing Ti and Mo dispersed and precipitated therein, wherein the total volume of the ferrite phase and the bainite phase is not smaller than 80%, the volume of the bainite phase is about 5% to about 60%, and the volume of the retained austenite phase is about 3 to about 20%.

摘要翻译： 一种高强度钢，包括约0.05至约0.25％的C，小于约0.5％的Si，约0.5至约3.0％的Mn，不大于约0.06％的P，不大于约0.01％的S， 约0.50至约3.0％的Sol。 Al，不大于约0.02％的N，约0.1至约0.8％的Mo，约0.02至约0.40％的Ti，余量为铁和不可避免的杂质，其中钢具有由至少三相形成的结构 包括贝氏体相和残留奥氏体相以及其中分散有析出Ti和Mo的复合碳化物的铁素体相，其中铁素体相和贝氏体相的总体积不小于80％，体积 的贝氏体相为约5％至约60％，并且残余奥氏体相的体积为约3至约20％。

公开(公告)号：US20100065162A1

公开(公告)日：2010-03-18

申请号：US12447627

申请日：2007-10-24

申请人： Brigitte Hammer ,  Thomas Heller ,  Johann Wilhelm Schmitz ,  Jochen Wans

发明人： Brigitte Hammer ,  Thomas Heller ,  Johann Wilhelm Schmitz ,  Jochen Wans

IPC分类号： C21D8/04 ,  B22D23/00 ,  B22D25/02

CPC分类号： C21D8/0415 ,  B22D11/001 ,  B22D11/06 ,  C21D8/0426 ,  C21D8/0473 ,  C21D2211/002 ,  C21D2211/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14

摘要： A method, which allows high-tensile flat steel products to be manufactured with less effort includes a steel that forms a multi-phase microstructure and contains (in wt. %) 0.10-0.14% C, 1.30-1.70% Mn, up to 0.030% P, up to 0.004% S, 0.10-0.30% Si, 0.90-1.2% Al, up to 0.0070% N, 0.070-0.130% Ti, 0.040-0.060% Nb, 0.140-0.260% Mo, remainder iron and unavoidable impurities, being cast into a cast strip having a thickness of 1-4 mm. The cast strip is hot-rolled in-line into a hot-rolled strip having a thickness of 0.5-3.2 mm in a continuous process at a final hot-rolling temperature ranging from 850 to 1000° C., the deformation degree being greater than 20%. The hot-rolled strip is coiled at a coiling temperature ranging from 350 to 480° C., so as to obtain a hot-rolled strip, which has a minimum tensile strength Rm of 800 MPa at a minimum breaking elongation A80 of 5%.

摘要翻译： 允许以较少的努力制造高强度扁钢产品的方法包括形成多相微结构的钢，其含有（重量％）0.10-0.14％C，1.30-1.70％Mn，至多0.030 ％P，至多0.004％S，0.10-0.30％Si，0.90-1.2％Al，至多0.0070％N，0.070-0.130％Ti，0.040-0.060％Nb，0.140-0.260％Mo，余量为铁和不可避免的杂质 ，铸造成厚度为1-4mm的铸钢带。 在850〜1000℃的最终热轧温度下，将铸造带连续热轧成直径为0.5-3.2mm的热轧带材，变形度大于 20％。 将该热轧带卷绕在350〜480℃的卷取温度下，得到最小拉伸强度Rm为800MPa，最小断裂伸长率A80为5％的热轧带材。