公开(公告)号：US5055128A

公开(公告)日：1991-10-08

申请号：US460097

申请日：1990-01-24

Applicant: Yoshisato Kiyota ,  Osamu Furukimi

Inventor： Yoshisato Kiyota ,  Osamu Furukimi

IPC: C22C38/00 ,  C22C33/02 ,  C22C38/10 ,  H01F1/22

CPC classification number: H01F1/22 ,  C22C33/0207 ,  C22C33/0285

Abstract: Disclosed herein is an economical process for the production of a sintered Fe-Co type, Fe-Co-V type or Fe-Co-Cr type magnetic material, which comprises preparing an alloy powder of at least Fe and Co metals or a like powder, kneading it with an organic binder, conducting injection molding and debinding, and then conducting a two-stage sintering treatment consisting of low-temperature sintering and high-temperature sintering. Magnetic materials having a specific composition of the Fe-Co, Fe-Co-V or Fe-Co-Cr type and excellent magnetic properties and a low core loss value are also disclosed.

Abstract translation: PCT No.PCT / JP89 / 00537 Sec。 371 1990年1月24日第 102（e）1990年1月24日PCT PCT 1989年5月30日PCT公布。 出版物WO89 / 12112 PCT 日期为1989年12月14日。本文公开的是制造Fe-Co型，Fe-Co-V型或Fe-Co-Cr型磁性材料的经济工艺，其包括制备至少为Fe 和Co金属等粉末，将其与有机粘合剂捏合，进行注塑和脱脂，然后进行由低温烧结和高温烧结组成的两阶段烧结处理。 还公开了具有Fe-Co，Fe-Co-V或Fe-Co-Cr型的特定组成和优异的磁性和低铁损值的磁性材料。

公开(公告)号：US08657971B2

公开(公告)日：2014-02-25

申请号：US12297099

申请日：2006-10-05

Applicant: Junichiro Hirasawa ,  Takumi Ujiro ,  Osamu Furukimi

Inventor： Junichiro Hirasawa ,  Takumi Ujiro ,  Osamu Furukimi

IPC: C22C38/20 ,  C22C38/26

CPC classification number: F16D65/125 ,  C21D1/18 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  C22C38/20 ,  C22C38/26 ,  C22C38/38 ,  C22C38/40 ,  C22C38/46 ,  C22C38/56 ,  F16D2200/0017

Abstract: A brake disk excellent in temper softening resistance and toughness comprising, by mass, 0.1% or less of C, 1.0% or less of Si, 2.0% or less of Mn, 10.5% to 15.0% of Cr, and 0.1% or less of N, the remainder being Fe and unavoidable impurities, such that the following inequalities are satisfied: 5Cr+10Si+15Mo+30Nb−9Ni−5Mn−3Cu−225N−270C

Abstract translation: 具有优异的回火软化性和韧性的制动盘，其含有C：0.1％以下，Si：1.0％以下，Mn：2.0％以下，Cr：10.5〜15.0％，Cr：0.1％以下 N，其余为Fe和不可避免的杂质，使得满足以下不等式：5Cr + 10Si + 15Mo + 30Nb-9Ni-5Mn-3Cu-225N-270C <45（1）和0.03 {{+ /92)Nb}@0.09（2）其中Cr，Si，Mo，Nb，Ni，Mn，Cu，N和C各自以质量％表示相应元素的含量，并且具有先前的马氏体组织 平均粒径为8〜15μm的黄铜矿颗粒。

公开(公告)号：US20120048662A1

公开(公告)日：2012-03-01

申请号：US13200933

申请日：2011-10-05

Applicant: Junichiro Hirasawa ,  Yoshihiro Ozaki ,  Takumi Ujiro ,  Osamu Furukimi

Inventor： Junichiro Hirasawa ,  Yoshihiro Ozaki ,  Takumi Ujiro ,  Osamu Furukimi

IPC: F16D65/12

CPC classification number: F16D65/125 ,  C22C38/001 ,  C22C38/42 ,  C22C38/48 ,  F16D2069/004 ,  F16D2200/0017 ,  F16D2200/0021 ,  F16D2250/0007

Abstract: A martensitic stainless steel for disc brakes, having high temper softening resistance. The martensitic stainless steel is not seriously softened by maintaining the steel at more than 600° C. The martensitic stainless steel contains less than 0.050 mass % carbon, 1.0 mass % or less silicon, 2.0 mass % or less manganese, 0.04 mass % or less phosphorus, 0.010 mass % or less sulfur, 0.2 mass % or less aluminum, more than 11.5 mass % to 15.0 mass % chromium, 0.5 mass % to 2.0 mass % nickel, more than 0.50 mass % to 4.0 mass % copper, more than 0.08 mass % to 0.6 mass % niobium, and less than 0.09 mass % nitrogen, the remainder being iron and unavoidable impurities.

Abstract translation: 用于盘式制动器的马氏体不锈钢，具有高抗回火软化性。 通过将钢保持在600℃以上，马氏体系不锈钢不会发生严重的软化。马氏体系不锈钢含有小于0.050质量％的碳，1.0质量％以下的硅，2.0质量％以下的锰，0.04质量％以下 磷，0.010质量％以下的硫，0.2质量％以下的铝，超过11.5质量％至15.0质量％的铬，0.5质量％至2.0质量％的镍，大于0.50质量％至4.0质量％的铜，大于0.08 质量％〜0.6质量％的铌，小于0.09质量％的氮，其余为铁和不可避免的杂质。

公开(公告)号：US07572407B2

公开(公告)日：2009-08-11

申请号：US10328598

申请日：2002-12-23

Applicant: Junichiro Hirasawa ,  Takumi Ujiro ,  Osamu Furukimi

Inventor： Junichiro Hirasawa ,  Takumi Ujiro ,  Osamu Furukimi

IPC: C22C38/46 ,  C22C38/44 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54

CPC classification number: C22C38/44 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0236 ,  C22C38/002 ,  C22C38/004 ,  C22C38/06

Abstract: A martensitic stainless steel sheet having superior corrosion resistance, toughness at the weld zones, and workability. The composition of the steel sheet is, on a mass basis: less than about 0.02% of carbon; about 1.0% or less of silicon; less than about 1.5% of manganese; about 0.04% or less of phosphorus; about 0.01% or less of sulfur; about 0.1% or less of aluminum; about 1.5% or more and less than about 4.0% of nickel; about 11% or more and less than about 15% of chromium; about 0.5% or more and less than about 2.0% of molybdenum; and less than about 0.02% of nitrogen, the balance being iron and unavoidable impurities, wherein 15.0%≦[Cr]+1.5×[Mo]+1.2×[Ni]≦20.0%; [C]+[N] 3.0%; and 8.0%≦72×[C]+40×[N]+3×[Si]+2×[Mn]+4×[Ni]+[Mo]≦18.0%.

Abstract translation: 具有优异的耐腐蚀性，焊接区韧性和可加工性的马氏体不锈钢板。 钢板的组成按质量计小于约0.02％的碳; 约1.0％以下的硅; 小于约1.5％的锰; 约0.04％以下的磷; 约0.01％以下的硫; 约0.1％以下的铝; 约1.5％以上且小于约4.0％的镍; 约11％以上且小于约15％的铬; 约0.5％以上且小于约2.0％的钼; 和小于约0.02％的氮，余量为铁和不可避免的杂质，其中15.0％<= [Cr] + 1.5x [Mo] + 1.2x [Ni] <= 20.0％; [C] + [N] <0.030％ [Ni] + 0.5x（[Mn] + [Mo]）+ 30x [C]> 3.0％ 和8.0％<= 72×[C] + 40×[N] + 3×[Si] + 2x [Mn] + 4x [Ni] + [Mo] = 18.0％。

公开(公告)号：US20090004040A1

公开(公告)日：2009-01-01

申请号：US11918934

申请日：2006-05-29

Applicant: Yasushi Kato ,  Yoshihiro Ozaki ,  Osamu Furukimi ,  Norimasa Hirata ,  Takumi Ujiro

Inventor： Yasushi Kato ,  Yoshihiro Ozaki ,  Osamu Furukimi ,  Norimasa Hirata ,  Takumi Ujiro

IPC: C22C38/22

CPC classification number: C22C38/004 ,  B21D15/10 ,  B21D26/053 ,  B23K9/0282 ,  B23K26/262 ,  B23K31/027 ,  B23K2101/10 ,  B23K2103/05 ,  C21D6/002 ,  C21D8/0463 ,  C21D8/105 ,  C21D9/08 ,  C21D9/46 ,  C21D2211/005 ,  C22C38/002 ,  C22C38/04 ,  C22C38/22 ,  C22C38/26 ,  C22C38/32 ,  F28F21/083

Abstract: A ferritic stainless steel sheet for forming a raw material pipe for bellows pipe is excellent in formability and high-temperature properties (high-temperature salt corrosion resistance and high-temperature fatigue properties). Specifically, the ferritic stainless steel sheet for forming a raw material pipe for bellows pipe contains 0.015% by mass or less of C, 1.0% by mass or less of Si, 1.0% by mass or less of Mn, 0.04% by mass or less of P, 0.010% by mass or less of S, 11% to 19% by mass of Cr, 0.015% by mass or less of N, 0.15% by mass or less of Al, 1.25% to 2.5% by mass of Mo, 0.3% to 0.7% by mass of Nb, 0.0003% to 0.003% by mass of B, and the balance being Fe and incidental impurities. In the ferritic stainless steel sheet for forming a raw material pipe for bellows pipe, preferably, the average crystal grain diameter D of the steel sheet is 35 μm or less, and alternatively, the surface roughness Ra of the steel sheet is 0.40 μm or less.

Abstract translation: 用于形成用于波纹管的原料管的铁素体不锈钢板的成形性和高温性（高温耐盐腐蚀性和高温疲劳性）优异。 具体地说，用于形成波纹管用原料管的铁素体系不锈钢板含有C：0.015质量％以下，Si：1.0质量％以下，Mn：1.0质量％以下，0.04质量％以下 的P，0.010质量％以下的S，11〜19质量％的Cr，0.015质量％以下的N，0.15质量％以下的Al，1.25质量％〜2.5质量％的Mo， Nb为0.3〜0.7质量％，B为0.0003〜0.003质量％，余量为Fe和附带杂质。 在用于形成用于波纹管的原料管的铁素体不锈钢板中，优选钢板的平均晶粒直径D为35μm以下，或者钢板的表面粗糙度Ra为0.40μm以下 。

公开(公告)号：US07429302B2

公开(公告)日：2008-09-30

申请号：US10395475

申请日：2003-03-24

Applicant: Junichiro Hirasawa ,  Takumi Ujiro ,  Osamu Furukimi

Inventor： Junichiro Hirasawa ,  Takumi Ujiro ,  Osamu Furukimi

IPC: C22C38/40 ,  C21D8/02

CPC classification number: C22C38/004 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/44 ,  Y10T428/12958

Abstract: A structural hot-rolled or cold-rolled stainless steel sheet having improved intergranular corrosion resistance and toughness at the welding heat affected zone and further having low strength and high elongation. The composition of the steel sheet contains less than about 0.008 mass percent of C; about 1.0 mass percent or less of Si; about 1.5 mass percent or less of Mn; about 11 to about 15 mass percent of Cr; more than about 1.0 mass percent and about 2.5 mass percent or less of Ni; less than about 0.10 mass percent of Al; about 0.009 mass percent or less of N; about 0.04 mass percent or less of P; about 0.01 mass percent or less of S; and the balance being Fe and incidental impurities. These contents satisfy the expressions: (Cr)+1.2×(Ni)≧15.0; (Ni)+0.5×(Mn)+30×(C)≦3.0; (C)+(N)≦0.015; and (Cr)−(Mn)−1.7×(Ni)−27×(C)−100×(N)≧9.0.

Abstract translation: 一种结构热轧或冷轧不锈钢板，其在焊接热影响区具有改善的晶间耐腐蚀性和韧性，并且还具有低强度和高伸长率。 钢板的组成含有小于约0.008质量％的C; 约1.0质量％以下的Si; 约1.5质量％以下的Mn; 约11〜约15质量％的Cr; 大于约1.0质量％和约2.5质量％以下的Ni; 小于约0.10质量％的Al; 约0.009质量％以下的N; 约0.04质量％以下的P; 约0.01质量％以下的S; 余量为Fe和杂质。 这些含量满足以下表达式：（Cr）+ 1.2×（Ni）> = 15.0; （Ni）+ 0.5x（Mn）+ 30x（C）<= 3.0; （C）+（N）<= 0.015; 和（Cr） - （Mn）-1.7x（Ni）-27x（C）-100x（N）> = 9.0。

公开(公告)号：US20070163679A1

公开(公告)日：2007-07-19

申请号：US10587222

申请日：2005-01-27

Applicant: Mitsuyuki Fujisawa ,  Yoshihiro Yazawa ,  Yasushi Kato ,  Osamu Furukimi

Inventor： Mitsuyuki Fujisawa ,  Yoshihiro Yazawa ,  Yasushi Kato ,  Osamu Furukimi

IPC: C22C38/18 ,  C22C38/40

CPC classification number: C22C38/42 ,  C22C38/001 ,  C22C38/02 ,  C22C38/58

Abstract: A low Ni and high N austenitic-ferritic stainless steel is disclosed. It includes an austenitic-ferritic stainless steel having high formability and punch stretchability, crevice corrosion resistance, corrosion resistance at welded part, or excellent intergranular corrosion resistance, from a stainless steel structured by mainly austenite phase and ferrite phase, and consisting essentially of 0.2% or less C, 4% or less Si, 12% or less Mn, 0.1% or less P, 0.03% or less S, 15 to 35% Cr, 3% or less Ni, and 0.05 to 0.6% N, by mass, by adjusting the percentage of the austenite phase in a range from 10 to 85%, by volume. Furthermore, it includes an austenitic-ferritic stainless steel having higher formability by adjusting the amount of (C+N) in the austenite phase to a range from 0.16 to 2% by mass.

Abstract translation: 公开了一种低Ni和高N奥氏体 - 铁素体不锈钢。 它包括由主要由奥氏体相和铁素体相构成的不锈钢，具有高成形性和冲孔拉伸性，耐缝隙腐蚀性，焊接部位的耐腐蚀性或优异的晶间耐腐蚀性的奥氏体 - 铁素体不锈钢，并且基本上由0.2％ 或更少的C，4％以下的Si，12％以下的Mn，0.1％以下的P，0.03％以下的S，15〜35％的Cr，3％以下的Ni和0.05〜0.6％的N， 通过将奥氏体相的百分比调整为10〜85体积％的范围。 此外，通过将奥氏体相中的（C + N）的量调节至0.16〜2质量％的范围，可以提高成形性的奥氏体 - 铁素体系不锈钢。

公开(公告)号：US07056398B2

公开(公告)日：2006-06-06

申请号：US10671384

申请日：2003-09-24

Applicant: Yoshihiro Yazawa ,  Osamu Furukimi ,  Yasushi Kato ,  Yoshihiro Ozaki

Inventor： Yoshihiro Yazawa ,  Osamu Furukimi ,  Yasushi Kato ,  Yoshihiro Ozaki

IPC: C21D8/04

CPC classification number: C22C38/26 ,  C21D8/0405 ,  C21D8/0463 ,  C21D8/0473 ,  C22C38/002 ,  C22C38/004 ,  C22C38/24 ,  C22C38/28 ,  C22C38/32

Abstract: A ferritic stainless steel sheet contains abut 0.01 percent by mass or less of carbon; about 1.0 percent by mass or less of silicon; about 1.5 percent by mass or less of manganese; about 11 to about 23 percent by mass of chromium; about 0.06 percent by mass or less of phosphorous; about 0.03 percent by mass or less of sulfur; about 1.0 percent by mass or less of aluminum; about 0.04 percent by mass or less of nitrogen; about 0.0005 to about 0.01 percent by mass of boron; about 0.3 percent by mass or less of vanadium; about 0.8 percent by mass or less of niobium and/or about 1.0 percent by mass or less of titanium wherein 18≦Nb/(C+N)+2(Ti/(C+N))≦60; and the balance being iron and unavoidable impurities. The average crystal grain diameter is about 40 μm or less and the average surface roughness is about 0.3 μm or less.

Abstract translation: 铁素体系不锈钢板含有0.01质量％以下的碳; 约1.0质量％以下的硅; 约1.5质量％以下的锰; 约11〜约23质量％的铬; 约0.06质量％以下的磷; 约0.03质量％以下的硫; 约1.0质量％以下的铝; 约0.04质量％以下的氮气; 约0.0005〜约0.01质量％的硼; 约0.3质量％以下的钒; 约0.8质量％以下的铌和/或约1.0质量％以下的钛，其中18≤Nb/（C + N）+2（Ti /（C + N））= 60; 余量为铁和不可避免的杂质。 平均晶粒直径为约40μm或更小，平均表面粗糙度为约0.3μm或更小。

公开(公告)号：US20050241737A1

公开(公告)日：2005-11-03

申请号：US10523880

申请日：2003-08-28

Applicant: Takumi Ujiro ,  Hiroki Ota ,  Osamu Furukimi ,  Takashi Shiokawa

Inventor： Takumi Ujiro ,  Hiroki Ota ,  Osamu Furukimi ,  Takashi Shiokawa

IPC: C22C38/00 ,  C22C38/18 ,  C22C38/48

CPC classification number: C22C38/004 ,  C21D6/002 ,  C21D8/0278 ,  C21D2261/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18

Abstract: To provide structural Cr-containing steel with excellent low-temperature toughness and impact toughness, with low costs as compared with stainless steel, and with sufficient corrosion resistance. Specifically, this is structural Cr-containing steel and a manufacturing method thereof, wherein the Cr-containing steel contains C of 0.002 to 0.02%; N of 0.002 to 0.02%; Si of 0.05 to 1.0%; Mn of 0.05 to 1.0%; P of 0.04% or less; S of 0.02% or less; Al of 0.001 to 0.1%; and Cr of 6.0 to 10.0%, further may contain Cu of 0.1 to 1.0%, further may contain at least one of: Ni of 0.1 to 1.0%; and Mo of 0.1 to 1.0%, and further may contain at least one of: Nb of 0.005 to 0.10%; and V of 0.005 to 0.20%, the balance are formed of Fe and unavoidable impurities, and the Cr-concentration in the surface layer of the steel is equal to or more than the value wherein 1% is subtracted from the Cr-concentration within the steel.

Abstract translation: 提供具有优异的低温韧性和冲击韧性的结构含Cr钢，与不锈钢相比成本低，具有足够的耐腐蚀性。 具体地说，这是含Cr的结构钢及其制造方法，其中含Cr的钢含有0.002-0.02％的C; N为0.002〜0.02％; Si为0.05〜1.0％; Mn为0.05〜1.0％ P为0.04％以下; S为0.02％以下; Al为0.001〜0.1％; 和6.0〜10.0％的Cr，还可以含有0.1〜1.0％的Cu，还可以含有0.1〜1.0％的Ni中的至少一种。 Mo为0.1〜1.0％，进一步含有Nb：0.005〜0.10％中的至少一种。 V为0.005〜0.20％，余量由Fe和不可避免的杂质形成，钢的表层的Cr浓度等于或大于其中的Cr浓度1％的值 钢。

公开(公告)号：US06692584B2

公开(公告)日：2004-02-17

申请号：US10009957

申请日：2001-12-12

Applicant: Kei Sakata ,  Akio Tosaka ,  Osamu Furukimi

Inventor： Kei Sakata ,  Akio Tosaka ,  Osamu Furukimi

IPC: C22C3806

CPC classification number: C22C38/001 ,  C21D8/0236 ,  C21D8/0273 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/005 ,  C22C38/02 ,  C22C38/04

Abstract: The present invention provides a high tensile cold-rolled steel sheet having superior ductility, strain age-hardening characteristics, and crash resistance properties, and also provides a manufacturing method therefor. As a particular means, a thin cold-rolled steel sheet containing 0.05% to 0.30% of C, 0.4% to 2.0% of Si, 0.7% to 3.0% of Mn, 0.08% or less of P, 0.02% or less of Al, and 0.0050% to 0.0250% of N on a mass % basis is manufactured in which N/Al is 0.3 or more. This thin cold-rolled steel sheet is heated to a temperature between (an Ac1 transformation point) and (an Ac3 transformation point+50° C.), is cooled at a cooling rate of 5 to 150° C./second in the range of at least 600 to 500° C., and is held in the temperature range of 350 to 500° C. This steel sheet has superior ductility, strain age-hardening characteristics having a &Dgr;TS of 50 MPa or more, and crash resistance properties.

Abstract translation: 本发明提供一种具有优异的延展性，应变时效硬化特性和抗冲击性能的高拉伸冷轧钢板，并且还提供其制造方法。 作为具体的方法，可以使用含有C：0.05〜0.30％，Si：0.4〜2.0％，Mn：0.7〜3.0％，P：0.08％以下，Al：0.02％以下的薄型冷轧钢板 ，制造N / Al为0.3以上的基于质量％的0.0050〜0.0250％的N。 将该薄型冷轧钢板加热至（Ac1相变点）和（Ac3相变点+ 50℃）之间的温度，以5〜150℃/秒的冷却速度 为至少600〜500℃，保持在350〜500℃的温度范围。该钢板具有优异的延展性，ΔTS为50MPa以上的应变时效硬化特性，耐冲击性。