公开(公告)号：US20060266445A1

公开(公告)日：2006-11-30

申请号：US10571023

申请日：2004-09-02

申请人： Tatsuo Yokoi ,  Tetsuya Yamada ,  Osamu Kawano

发明人： Tatsuo Yokoi ,  Tetsuya Yamada ,  Osamu Kawano

IPC分类号： C22C38/00 ,  C21D8/00

CPC分类号： C23C2/02 ,  C21D8/0226 ,  C21D2201/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C2/28 ,  Y10T428/12799

摘要： An exemplary hot rolled steel sheet can included, in terms of percent by mass, C of 0.01 to 0.2%; Si of 0.01 to 2%; Mn of 0.1 to 2%; P of ≦0.1%; S of ≦0.03%; Al of 0.001 to 0.1%; N of ≦0.01%; and as a remainder, Fe and unavoidable impurities. For example, a microstructure can be substantially a homogeneous continuous-cooled microstructure, and an average grain size of the microstructure may be more than 8 mm and 30 mm or less. An exemplary method for manufacturing a hot rolled steel sheet can include subjecting a slab having the above composition to a rough rolling so as to obtain a rough rolled bar, subjecting the rough rolled bar to a finish rolling so as to obtain a rolled steel under conditions in which a finishing temperature is (Ar3 transformation point +50° C.) or more; and starting cooling the rolled steel after 0.5 seconds or more pass from the end of the finish rolling at a temperature of the Ar3 transformation point or more. At least in the temperature range from the Ar3 transformation point can be cooled to 500° C. at a cooling rate of 80° C./sec or more, a further cooling can be effectuated until the temperature is 500° C. or less to obtain a hot rolled steel sheet and coiling the hot rolled steel sheet.

摘要翻译： 作为热轧钢板，可以以质量％计含有0.01〜0.2％的C， Si为0.01〜2％ Mn为0.1〜2％ P <0.1％; S <0.03％; Al为0.001〜0.1％; N <0.01％; 作为余量，Fe和不可避免的杂质。 例如，微结构可以是基本上均匀的连续冷却微结构，并且微结构的平均晶粒尺寸可以大于8mm和30mm或更小。 用于制造热轧钢板的示例性方法可以包括对具有上述组成的板坯进行粗轧以获得粗轧条，对粗轧条进行精轧，以在条件下获得轧制钢 其中终轧温度为（Ar3相变点+ 50℃）以上; 在Ar3相变点以上的温度下，从精轧结束0.5秒钟以上开始冷却轧制钢。 至少在Ar 3相变点的温度范围内，可以以80℃/秒以上的冷却速度将其冷却至500℃，进一步冷却至500℃以下 得到热轧钢板并卷取热轧钢板。

公开(公告)号：US20070037006A1

公开(公告)日：2007-02-15

申请号：US10573002

申请日：2004-09-22

申请人： Tatsuo Yokoi ,  Tetsuya Yamada ,  Osamu Kawano

发明人： Tatsuo Yokoi ,  Tetsuya Yamada ,  Osamu Kawano

IPC分类号： C21D8/02

CPC分类号： C22C38/02 ,  C21D8/0226 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/04 ,  C22C38/06 ,  Y10T428/12799 ,  Y10T428/12951 ,  Y10T428/12972

摘要： An exemplary hot rolled steel sheet for processing can include, in terms of percent by mass, C of 0.01 to 0.2%; Si of 0.01 to 0.3%; Mn of 0.1 to 1.5%; P of ≦0.1%; S of ≦0.03%; Al of 0.001 to 0.1%; N of ≦0.006%; and as a remainder, Fe and unavoidable impurities. The microstructure may include a main phase in the form of polygonal ferrite and a hard second phase, a volume fraction of the hard second phase is 3 to 20%, a hardness ratio (hardness of the hard second phase/hardness of the polygonal ferrite) is 1.5 to 6, and a grain size ratio (e.g., grain size of the polygonal ferrite/grain size of the hard second phase) is 1.5 or more.

摘要翻译： 用于加工的示例性热轧钢板可以包括以质量百分比计，为0.01至0.2％的C; Si为0.01〜0.3％; Mn为0.1〜1.5％; P <0.1％; S <0.03％; Al为0.001〜0.1％; N <0.006％; 作为余量，Fe和不可避免的杂质。 微结构可以包括多边形铁素体和硬质第二相形式的主相，硬质相的体积分数为3〜20％，硬度比（硬质相的硬度/多边形铁素体的硬度） 为1.5〜6，粒径比（例如，多边形铁素体的晶粒尺寸/硬质相的晶粒尺寸）为1.5以上。

公开(公告)号：US07662243B2

公开(公告)日：2010-02-16

申请号：US10571023

申请日：2004-09-02

申请人： Tatsuo Yokoi ,  Tetsuya Yamada ,  Osamu Kawano

发明人： Tatsuo Yokoi ,  Tetsuya Yamada ,  Osamu Kawano

IPC分类号： C22C38/02 ,  C22C38/04 ,  C22C38/06

CPC分类号： C23C2/02 ,  C21D8/0226 ,  C21D2201/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C2/28 ,  Y10T428/12799

摘要： An exemplary hot rolled steel sheet can included, in terms of percent by mass, C of 0.01 to 0.2%; Si of 0.01 to 2%; Mn of 0.1 to 2%; P of ≦0.1%; S of ≦0.03%; Al of 0.001 to 0.1%; N of ≦ 0.01%; and as a remainder, Fe and unavoidable impurities. For example, a microstructure can be substantially a homogeneous continuous-cooled microstructure, and an average grain size of the microstructure may be more than 8 μm and 30 μm or less. An exemplary method for manufacturing a hot rolled steel sheet can include subjecting a slab having the above composition to a rough rolling so as to obtain a rough rolled bar, subjecting the rough rolled bar to a finish rolling so as to obtain a rolled steel under conditions in which a finishing temperature is (Ar3 transformation point +50° C.) or more; and starting cooling the rolled steel after 0.5 seconds or more pass from the end of the finish rolling at a temperature of the Ar3 transformation point or more. At least in the temperature range from the Ar3 transformation point can be cooled to 500° C. at a cooling rate of 80°C./sec or more, a further cooling can be effectuated until the temperature is 500° C. or less to obtain a hot rolled steel sheet and coiling the hot rolled steel sheet.

摘要翻译： 作为热轧钢板，可以以质量％计含有0.01〜0.2％的C， Si为0.01〜2％ Mn为0.1〜2％ P <0.1％; S <0.03％; Al为0.001〜0.1％; N <0.01％; 作为余量，Fe和不可避免的杂质。 例如，微结构可以是基本均匀的连续冷却微结构，并且微结构的平均晶粒尺寸可以大于8μm和30μm或更小。 用于制造热轧钢板的示例性方法可以包括对具有上述组成的板坯进行粗轧以获得粗轧条，对粗轧条进行精轧，以在条件下获得轧制钢 其中终轧温度为（Ar3相变点+ 50℃）以上; 在Ar3相变点以上的温度下，从精轧结束0.5秒钟以上开始冷却轧制钢。 至少在Ar 3相变点的温度范围内可以以80℃/秒以上的冷却速度将其冷却至500℃，进一步冷却直到温度为500℃以下 得到热轧钢板并卷取热轧钢板。

公开(公告)号：US07381478B2

公开(公告)日：2008-06-03

申请号：US10573002

申请日：2004-09-22

申请人： Tatsuo Yokoi ,  Tetsuya Yamada ,  Osamu Kawano

发明人： Tatsuo Yokoi ,  Tetsuya Yamada ,  Osamu Kawano

IPC分类号： B32B15/00 ,  B32B15/04 ,  B32B15/18 ,  C22C38/00

CPC分类号： C22C38/02 ,  C21D8/0226 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/04 ,  C22C38/06 ,  Y10T428/12799 ,  Y10T428/12951 ,  Y10T428/12972

摘要： An exemplary hot rolled steel sheet for processing can include, in terms of percent by mass, C of 0.01 to 0.2%; Si of 0.01 to 0.3%; Mn of 0.1 to 1.5%; P of ≦0.1%; S of ≦0.03%; Al of 0.001 to 0.1%; N of ≦0.006%; and as a remainder, Fe and unavoidable impurities. The microstructure may include a main phase in the form of polygonal ferrite and a hard second phase, a volume fraction of the hard second phase is 3 to 20%, a hardness ratio (hardness of the hard second phase/hardness of the polygonal ferrite) is 1.5 to 6, and a grain size ratio (e.g., grain size of the polygonal ferrite/grain size of the hard second phase) is 1.5 or more.

摘要翻译： 用于加工的示例性热轧钢板可以包括以质量百分比计，为0.01至0.2％的C; Si为0.01〜0.3％; Mn为0.1〜1.5％; P <0.1％; S <0.03％; Al为0.001〜0.1％; N <0.006％; 作为余量，Fe和不可避免的杂质。 微结构可以包括多边形铁素体和硬质第二相形式的主相，硬质相的体积分数为3〜20％，硬度比（硬质相的硬度/多边形铁素体的硬度） 为1.5〜6，粒径比（例如，多边形铁素体的晶粒尺寸/硬质相的晶粒尺寸）为1.5以上。

公开(公告)号：US5505796A

公开(公告)日：1996-04-09

申请号：US107833

申请日：1993-08-27

申请人： Osamu Kawano ,  Junichi Wakita ,  Kazuyoshi Esaka ,  Norio Ikenaga ,  Hiroshi Abe

发明人： Osamu Kawano ,  Junichi Wakita ,  Kazuyoshi Esaka ,  Norio Ikenaga ,  Hiroshi Abe

IPC分类号： C21D8/02 ,  C21D8/04 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

CPC分类号： C21D8/0426 ,  C22C38/02 ,  C22C38/04 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/005

摘要： A high yield ratio-type, hot rolled high strength steel sheet excellent in both formability and spot weldability, containing not less than 5% of retained austenite, and a process for producing the same are provided. The steel sheet contains 0.05 to less than 0.15% by weight or 0.15 to less than 0.30% by weight of C, 0.5 to 3.0% by weight of Si, 0.5 to 3.0% by weight of Mn, more than 1.5 to 6.0% by weight of Si and Mn in total, not more than 0.02% by weight of P, no more than 0.01% by weight of S, and 0.005 to 0.10% by weight of Al, the balance essentially being Fe, and is composed of three phases of ferrite, bainite and retained austenite as a microstructure, and having a ratio (V.sub.F /d.sub.F) of ferrite volume fraction (V.sub.F) to ferrite grain size (d.sub.F) of not less than 20 (not less than 7 in case of 0.15 to less than 0.30% by weight of C), a volume fraction of retained austenite having grain sizes of not more than 2 .mu.m being 5% or more, a yield ratio (YR) of not less than 60%, a strength-ductility balance (tensile strength.times.total elongation) of not less than 2,000 (kgf/mm.sup.2.%), an enlargement ratio (d/d.sub.o) of not less than 1.4 (not less than 1.1 in case of 0.15 to less than 0.30% by weight of C), and a uniform elongation of not less than 15% (not less than 10% in case of 0.15 to less than 0.30% by weight of C).

摘要翻译： PCT No.PCT / JP92 / 00698 Sec。 371日期：1993年8月27日 102（e）日期1993年8月27日PCT提交1992年5月28日PCT公布。 出版物WO92 / 21784 日本1992年12月10日。具有优异的成形性和点焊性的高屈服比型热轧高强度钢板，其含有不少于5％的残留奥氏体及其制造方法。 钢板含有0.05〜0.15重量％以下或0.15〜0.30重量％的C，0.5〜3.0重量％的Si，0.5〜3.0重量％的Mn，1.5〜6.0重量％ 的Si和Mn总计不超过0.02重量％，不超过0.01重量％的S和0.005至0.10重量％的Al，余量基本上为Fe，并且由三相 铁素体，贝氏体和残余奥氏体作为微结构，并且铁素体体积分率（VF）与铁素体晶粒尺寸（dF）的比（VF / dF）不小于20（在不小于20的情况下不小于7） 0.30重量％的C），晶粒尺寸不大于2μm的残留奥氏体的体积分数为5％以上，屈服比（YR）为60％以上，强度 - 延展性平衡（拉伸强度 强度×伸长率）不小于2000（kgf / mm2。％），增大比（d / do）不小于1.4（在0.15至小于0.30重量％的情况下不小于1.1），以及 一个unif 粒径伸长率不小于15％（在0.15至小于0.30重量％的C的情况下不小于10％）。

公开(公告)号：US20130142688A1

公开(公告)日：2013-06-06

申请号：US13817042

申请日：2012-02-23

申请人： Kenichi Yamamoto ,  Hideaki Yamamura ,  Yuzo Takahashi ,  Osamu Kawano ,  Kohsuke Kume ,  Junji Haji ,  Daisuki Maeda ,  Yoshihiro Suwa

发明人： Kenichi Yamamoto ,  Hideaki Yamamura ,  Yuzo Takahashi ,  Osamu Kawano ,  Kohsuke Kume ,  Junji Haji ,  Daisuki Maeda ,  Yoshihiro Suwa

IPC分类号： C22C38/58 ,  C22C38/54 ,  C22C38/50 ,  C22C38/48 ,  C22C38/46 ,  C22C38/44 ,  C22C38/42 ,  C22C38/38 ,  C22C38/32 ,  C22C38/26 ,  C22C38/18 ,  C22C38/16 ,  C22C38/12 ,  C22C38/08 ,  C22C38/04 ,  C22C38/02 ,  C22C38/00 ,  C22C1/00

CPC分类号： C22C38/58 ,  C21C7/06 ,  C21C7/0645 ,  C22C1/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16 ,  C22C38/18 ,  C22C38/26 ,  C22C38/32 ,  C22C38/38 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54

摘要： The present invention provides a high-strength steel sheet including: C: 0.03 to 0.25 mass %, Si: 0.1 to 2.0 mass %, Mn: 0.5 to 3.0 mass %, P: not more than 0.05 mass %, T.O: not more than 0.0050 mass %, S: 0.0001 to 0.01 mass %, N: 0.0005 to 0.01 mass %, acid-soluble Al: more than 0.01 mass %, Ca: 0.0005 to 0.0050 mass %, and a total of at least one element of Ce, La, Nd, and Pr: 0.001 to 0.01 mass %, with a balance including iron and inevitable impurities, in which the steel sheet contains a chemical component on a basis of mass that satisfies 0.7

摘要翻译： 本发明提供一种高强度钢板，其含有：C：0.03〜0.25质量％，Si：0.1〜2.0质量％，Mn：0.5〜3.0质量％，P：0.05质量％以下，TO：不大于 0.0050质量％，S：0.0001〜0.01质量％，N：0.0005〜0.01质量％，酸溶性Al：0.01质量％以上，Ca：0.0005〜0.0050质量％，Ce， La，Nd和Pr：0.001〜0.01质量％，余量包括铁和不可避免的杂质，其中钢板含有基于满足0.7 <100×（[Ce] + [La] + [Nd] + [Pr]）/ [酸溶性Al] 70和0.2 @（[Ce] + [La] + [Nd] + [Pr]）/ [S] 包含包含含有Ca，La，Nd和Pr的至少一种元素的含有Ca，并且含有至少一种O和S元素的第一包含相和包含与第一夹杂物不同的成分的第二夹杂相 并含有Mn，Si和Al中的至少一种元素 nd夹杂物形成球形化合物夹杂物，其当量圆直径在0.5μm至5μm的范围内，并且球形化合物夹杂物的数量相对于具有当量圆直径的所有夹杂物的数量的比率在0.5的范围内 妈妈到5个妈妈是30％以上。

公开(公告)号：US06544354B1

公开(公告)日：2003-04-08

申请号：US09355435

申请日：1999-07-28

申请人： Osamu Kawano ,  Junichi Wakita ,  Yuzo Takahashi ,  Hidesato Mabuchi ,  Manabu Takahashi ,  Akihiro Uenishi ,  Yukihisa Kuriyama ,  Riki Okamoto ,  Yasuharu Sakuma

发明人： Osamu Kawano ,  Junichi Wakita ,  Yuzo Takahashi ,  Hidesato Mabuchi ,  Manabu Takahashi ,  Akihiro Uenishi ,  Yukihisa Kuriyama ,  Riki Okamoto ,  Yasuharu Sakuma

IPC分类号： C22C3804

CPC分类号： C21D8/0226 ,  C21D8/0426 ,  C21D8/0436 ,  C21D9/46 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/005

摘要： The object of the present invention is to provide high-strength steel sheets exhibiting high impact energy absorption properties, as steel sheets to be used for shaping and working into such parts to front side members which absorb impact energy upon collision, as well as a method for their production. The high-strength steel sheets of the invention which exhibit high impact energy absorption properties are press formable high-strength steel sheets with high flow stress during dynamic deformation characterized in that the microstructure of the steel sheets in their final form is a composite microstructure of a mixture of ferrite and/or bainite, either of which is the dominant phase, and a third phase including retained austenite at a volume fraction between 3% and 50%, wherein the difference between the static tensile strength as when deformed in a strain rate range of 5×10−4˜5×10−3 (l/s) after pre-deformation at an equivalent strain of greater than 0% and less than or equal to 10%, and the dynamic tensile strength &sgr;d when deformed at a strain rate of 5×102˜5×103 (l/sec) after the pre-deformation, i.e. &sgr;d−&sgr;s, is at least 60 MPa, and the work hardening coefficient between 5% and 10% of a strain is at least 0.130.

摘要翻译： 本发明的目的是提供一种表现出高冲击能吸收性能的高强度钢板，作为用于成形和加工成这些部件的钢板，该前端侧构件在碰撞时吸收冲击能量，以及方法 为他们的生产。 表现出高冲击能吸收性能的本发明的高强度钢板是动态变形时具有高流动应力的可压制高强度钢板，其特征在于，最终形式的钢板的微结构是 铁素体和/或贝氏体的混合物，其中的任一种是主要相，第三相包括体积分数在3％至50％之间的残余奥氏体，其中在应变速率范围内变形时的静态拉伸强度之间的差异 在大于0％且小于或等于10％的等效应变下预变形后为5×10 -4〜5×10 -3（1 / s），当应变速率为5×102〜 在预变形之后的5×10 3（1 / sec），即Sigmad-sigmas，至少为60MPa，并且应变的5％和10％之间的加工硬化系数为至少0.130。

公开(公告)号：US4908818A

公开(公告)日：1990-03-13

申请号：US66940

申请日：1987-06-25

申请人： Osamu Kawano

发明人： Osamu Kawano

IPC分类号： H04J3/04 ,  H04J3/14

CPC分类号： H04J3/14

摘要： In a multiplex communication arrangement of an N:1 redundancy configuration, each multiplexer comprises a multiplexing circuit for multiplexing a plurality of multiplexer input signals into a multiplexed signal and an encoder for encoding the multiplexed signal into an encoded signal of self-checking codes, such as the known CRC codes. Into a decoder output signal, a decoder of each demultiplexer decodes a demultiplexer input signal which is in a form of the self-checking codes. As a selected signal, a selector selects one of the decoder output signal and the multiplexed signal produced in one of the multiplexers, (N+1) in number, that the selector selects as a selected multiplexer. A demultiplexing circuit demultiplexes the selected signal into a plurality of demultiplexer output signals. A bit-by-bit comparator compares the multiplexer input signal of the selected multiplexer with the demultiplexer output signals which are produced in one of the demultiplexers, (N+1) in number, for the multiplexed signal produced in the selected multiplexer. Inasmuch as such demultiplexer produces the demultiplexer output signals for a utilization device when the demultiplexer in question is an active one, it follows that the above-mentioned one of the demultiplexers is a stand-by one.

摘要翻译： 在N：1冗余配置的多路复用通信装置中，每个多路复用器包括用于将多路复用器输入信号复用为多路复用信号的多路复用电路和用于将多路复用信号编码为自检码编码信号的编码器， 作为已知的CRC码。 在解码器输出信号中，每个解复用器的解码器解码以自检码形式的解复用器输入信号。 作为选择信号，选择器选择解码器输出信号和多路复用器之一（N + 1）中产生的复用信号中的一个，选择器选择作为选择的多路复用器。 解复用电路将所选择的信号解复用为多个解复用器输出信号。 逐位比较器将所选择的多路复用器的多路复用器输入信号与在所选多路复用器中产生的多路复用信号中产生的解复用器（N + 1）之一产生的解复用器输出信号进行比较。 由于这种解复用器在所讨论的解复用器是有效的时产生用于利用设备的解复用器输出信号，所以上述一个解复用器是备用的。