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1. 发明授权

US07510614B2 High strength bolt excellent in delayed fracture resistance and method of production of same 有权
$High strength bolt excellent in delayed fracture resistance and method of production of same$
标题翻译：耐久性优异的高强度螺栓及其制造方法
公开(公告)号：US07510614B2
公开(公告)日：2009-03-31
申请号：US11490975
申请日：2006-07-21
申请人： Suguru Yoshida , Toshimi Tarui , Manabu Kubota , Hideki Matsuda , Tadashi Ohya , Koki Mizuno
发明人： Suguru Yoshida , Toshimi Tarui , Manabu Kubota , Hideki Matsuda , Tadashi Ohya , Koki Mizuno
IPC分类号： C22C28/02 , C22C38/04 , C22C38/06 , C21D8/00
CPC分类号： B21K1/46 , B21H3/02 , C22C38/02 , C22C38/04 , C22C38/12 , F16B35/00
摘要： The present invention provides a high strength bolt excellent in delayed fracture resistance able to advantageously prevent hydrogen embrittlement as represented by the delayed fracture phenomenon occurring along with an increase in strength and causing a particular problem, and a method of production of the same, containing, by mass %, C: 0.2 to 0.6%, Si: 0.05 to 0.5%, Mn: 0.1 to 2%, Mo: 0.5 to 6%, and Al: 0.005 to 0.5%, having a tensile strength of 1400 MPa or more, and having a compressive residual stress of the surface layer of the thread root of 10 to 90% of the tensile strength. Further, a surface layer part of the thread root from the surface down to at least 50 μm has pre-austenite grains with an aspect ratio of the axial direction and radial direction of 2 or more and that part has a hardness of Hv 460 or more. Further, the method of production comprises using the steel material having the above ingredients to shape the bolt head and shaft, then heat the bolt to 900 to 1100° C., quench it, temper it by a 580° C. or higher temperature, then thread roll it.
摘要翻译：本发明提供了一种具有优异的延迟断裂抵抗性的高强度螺栓，其能够有利地防止随着强度的增加而发生的延迟断裂现象所引起的氢脆化，并引起特定问题，及其制造方法，以下，拉伸强度为1400MPa以上，C：0.2〜0.6％，Si：0.05〜0.5％，Mn：0.1〜2％，Mo：0.5〜6％，Al：0.005〜并且具有螺纹根表面层的抗拉强度的10〜90％的压缩残余应力。此外，从表面向下至至少50μm的螺纹根部的表面层部分具有轴向和径向的纵横比为2以上的预奥氏体晶粒，并且该部分的硬度为Hv 460以上。此外，生产方法包括使用具有上述成分的钢材来成形螺栓头和轴，然后将螺栓加热至900至1100℃，淬火，回火580℃或更高的温度，然后卷起它。

2. 发明申请

US20070017610A1 High strength bolt excellent in delayed fracture resistance and method of production of same 有权
$High strength bolt excellent in delayed fracture resistance and method of production of same$
标题翻译：耐久性优异的高强度螺栓及其制造方法
公开(公告)号：US20070017610A1
公开(公告)日：2007-01-25
申请号：US11490975
申请日：2006-07-21
申请人： Suguru Yoshida , Toshimi Tarui , Manabu Kubota , Hideki Matsuda , Tadashi Ohya , Koki Mizuno
发明人： Suguru Yoshida , Toshimi Tarui , Manabu Kubota , Hideki Matsuda , Tadashi Ohya , Koki Mizuno
IPC分类号： C22C38/12
CPC分类号： B21K1/46 , B21H3/02 , C22C38/02 , C22C38/04 , C22C38/12 , F16B35/00
摘要： The present invention provides a high strength bolt excellent in delayed fracture resistance able to advantageously prevent hydrogen embrittlement as represented by the delayed fracture phenomenon occurring along with an increase in strength and causing a particular problem, and a method of production of the same, containing, by mass %, C: 0.2 to 0.6%, Si: 0.05 to 0.5%, Mn: 0.1 to 2%, Mo: 0.5 to 6%, and Al: 0.005 to 0.5%, having a tensile strength of 1400 MPa or more, and having a compressive residual stress of the surface layer of the thread root of 10 to 90% of the tensile strength. Further, a surface layer part of the thread root from the surface down to at least 50 μm has pre-austenite grains with an aspect ratio of the axial direction and radial direction of 2 or more and that part has a hardness of Hv 460 or more. Further, the method of production comprises using the steel material having the above ingredients to shape the bolt head and shaft, then heat the bolt to 900 to 1100° C., quench it, temper it by a 580° C. or higher temperature, then thread roll it.
摘要翻译：本发明提供了一种具有优异的延迟断裂性的高强度螺栓，其能够有利地防止随着强度的增加而发生的延迟断裂现象所引起的氢脆化，并引起特定问题，及其制备方法，以下，拉伸强度为1400MPa以上，C：0.2〜0.6％，Si：0.05〜0.5％，Mn：0.1〜2％，Mo：0.5〜6％，Al：0.005〜并且具有螺纹根表面层的抗拉强度的10〜90％的压缩残余应力。此外，从表面向下至至少50μm的螺纹根部的表面层部分具有轴向和径向的纵横比为2以上的预奥氏体晶粒，并且该部分的硬度为Hv 460以上。此外，生产方法包括使用具有上述成分的钢材来成形螺栓头和轴，然后将螺栓加热至900至1100℃，淬火，回火580℃或更高的温度，然后卷起它。

3. 发明授权

US07754029B2 Steel with excellent delayed fracture resistance and tensile strength of 1801 MPa class or more, and its shaped article 有权
$Steel with excellent delayed fracture resistance and tensile strength of 1801 MPa class or more, and its shaped article$
标题翻译：具有优异的延迟断裂韧性和1801MPa级以上抗拉强度的钢及其成型制品
公开(公告)号：US07754029B2
公开(公告)日：2010-07-13
申请号：US11490955
申请日：2006-07-21
申请人： Manabu Kubota , Suguru Yoshida , Toshimi Tarui , Hideki Matsuda , Koki Mizuno , Tadashi Ohya
发明人： Manabu Kubota , Suguru Yoshida , Toshimi Tarui , Hideki Matsuda , Koki Mizuno , Tadashi Ohya
IPC分类号： C22C38/12 , C22C38/16 , C22C38/04 , C22C38/06
CPC分类号： C22C38/02 , C21D1/18 , C21D9/0093 , C22C38/04 , C22C38/12 , F16B35/00
摘要： Steel and steel shaped articles with an excellent delayed fracture resistance and a tensile strength of the 1600 MPa class or more, containing, by mass %, C: 0.20 to 0.60%, Si: 0.50% or less, Mn: over 0.10% to 3%, Al: 0.005 to 0.1%, Mo: over 3.0% to 10%, and, as needed, one or more of W: 0.01 to 10%, V: 0.05 to 1%, Ti: 0.01 to 1%, Nb: 0.01 to 1%, Cr: 0.10 to 2%, Ni: 0.05 to 1%, Cu: 0.05 to 0.5%, and B: 0.0003 to 0.01%, and a balance of Fe and unavoidable impurities and, further, a method of production comprising shaping the above steel to a desired shape (for example, a bolt shape), quenching it, then tempering it at 500 to 750° C. in temperature range.
摘要翻译：具有优异的延迟抗断裂性和1600MPa级以上的抗拉强度的钢和钢制品，以质量％计含有C：0.20〜0.60％，Si：0.50％以下，Mn：超过0.10％〜3％％，Al：0.005〜0.1％，Mo：3.0％〜10％，W：0.01〜10％，V：0.05〜1％，Ti：0.01〜1％，Nb： 0.01〜1％，Cr：0.10〜2％，Ni：0.05〜1％，Cu：0.05〜0.5％，B：0.0003〜0.01％，余量由Fe和不可避免的杂质构成，包括将上述钢成形为期望的形状（例如螺栓形状），淬火，然后在温度范围内在500-750℃下回火。

4. 发明申请

US20070017609A1 Steel with excellent delayed fracture resistance and tensile strength of 1600 MPa class or more, its shaped articles, and methods of production of the same 有权
$Steel with excellent delayed fracture resistance and tensile strength of 1600 MPa class or more, its shaped articles, and methods of production of the same$
标题翻译：具有优异的延迟断裂韧性和1600MPa级以上的拉伸强度的钢，其成型制品及其制造方法
公开(公告)号：US20070017609A1
公开(公告)日：2007-01-25
申请号：US11490955
申请日：2006-07-21
申请人： Manabu Kubota , Suguru Yoshida , Toshimi Tarui , Hideki Matsuda , Koki Mizuno , Tadashi Ohya
发明人： Manabu Kubota , Suguru Yoshida , Toshimi Tarui , Hideki Matsuda , Koki Mizuno , Tadashi Ohya
IPC分类号： C22C38/12
CPC分类号： C22C38/02 , C21D1/18 , C21D9/0093 , C22C38/04 , C22C38/12 , F16B35/00
摘要： Steel and steel shaped articles with an excellent delayed fracture resistance and a tensile strength of the 1600 MPa class or more, containing, by mass %, C: 0.20 to 0.60%, Si: 0.50% or less, Mn: over 0.10% to 3%, Al: 0.005 to 0.1%, Mo: over 3.0% to 10%, and, as needed, one or more of W: 0.01 to 10%, V: 0.05 to 1%, Ti: 0.01 to 1%, Nb: 0.01 to 1%, Cr: 0.10 to 2%, Ni: 0.05 to 1%, Cu: 0.05 to 0.5%, and B: 0.0003 to 0.01%, and a balance of Fe and unavoidable impurities and, further, a method of production comprising shaping the above steel to a desired shape (for example, a bolt shape), quenching it, then tempering it at 500 to 750° C. in temperature range.
摘要翻译：具有优异的延迟抗断裂性和1600MPa级以上的抗拉强度的钢和钢制品，以质量％计含有C：0.20〜0.60％，Si：0.50％以下，Mn：超过0.10％〜3％％，Al：0.005〜0.1％，Mo：3.0％〜10％，W：0.01〜10％，V：0.05〜1％，Ti：0.01〜1％，Nb： 0.01〜1％，Cr：0.10〜2％，Ni：0.05〜1％，Cu：0.05〜0.5％，B：0.0003〜0.01％，余量由Fe和不可避免的杂质构成，包括将上述钢成形为期望的形状（例如螺栓形状），淬火，然后在温度范围内在500-750℃下回火。

5. 发明授权

US09139894B2 Steel for machine structure exhibiting excellent machinability 有权
标题翻译：具有优良机械加工性能的机械结构用钢
公开(公告)号：US09139894B2
公开(公告)日：2015-09-22
申请号：US13806691
申请日：2011-07-11
申请人： Toshiharu Aiso , Suguru Yoshida , Manabu Kubota , Kei Miyanishi , Shuji Kozawa
发明人： Toshiharu Aiso , Suguru Yoshida , Manabu Kubota , Kei Miyanishi , Shuji Kozawa
IPC分类号： C22C38/60 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/00 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/18 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/34 , C22C38/42 , C22C38/44 , C22C38/50 , C21D8/02 , C21D1/42
CPC分类号： C22C38/60 , C21D1/42 , C21D8/0226 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/18 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/34 , C22C38/42 , C22C38/44 , C22C38/50 , Y02P10/253
摘要： This steel for a machine structure contains, in mass %: C: 0.40% to less than 0.75%; Si: 0.01% to 3.0%; Mn: 0.1% to 1.8%; S: 0.001% to 0.1%; Al: more than 0.1% and not more than 1.0%; N: 0.001% to 0.02%; and P: limited to not more than 0.05%, with a balance including Fe and inevitable impurities, in which the steel satisfies 139.38≦214×[C]+30.6×[Si]+42.8×[Mn]−14.7×[Al]≦177 and 0.72≦[C]+1/7×[Si]+1/5×[Mn]
摘要翻译：这种机械结构钢以质量％计含有：C：0.40％至小于0.75％; Si：0.01〜3.0％ Mn：0.1〜1.8％ S：0.001〜0.1％ Al：大于0.1％且不大于1.0％; N：0.001〜0.02％其中钢满足139.38＆nlE; 214×[C] + 30.6×[Si] + 42.8×[Mn] -14.7×[Al（Al）），P：限于不超过0.05％，余量包括Fe和不可避免的杂质 ]＆nlE; 177和0.72＆nlE; [C] + 1/7×[Si] + 1/5×[Mn] <1.539。

6. 发明申请

US20130101457A1 STEEL FOR MACHINE STRUCTURE EXHIBITING EXCELLENT MACHINABILITY 有权
标题翻译：机械结构钢展示卓越的机械性能
公开(公告)号：US20130101457A1
公开(公告)日：2013-04-25
申请号：US13806691
申请日：2011-07-11
申请人： Toshiharu Aiso , Suguru Yoshida , Manabu Kubota , Kei Miyanishi , Shuji Kozawa
发明人： Toshiharu Aiso , Suguru Yoshida , Manabu Kubota , Kei Miyanishi , Shuji Kozawa
IPC分类号： C22C38/60 , C22C38/44 , C22C38/50 , C22C38/18 , C22C38/28 , C22C38/22 , C22C38/32 , C22C38/26 , C22C38/34 , C22C38/24 , C22C38/16 , C22C38/14 , C22C38/12 , C22C38/08 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C22C38/42
CPC分类号： C22C38/60 , C21D1/42 , C21D8/0226 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/18 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/34 , C22C38/42 , C22C38/44 , C22C38/50 , Y02P10/253
摘要： This steel for a machine structure contains, in mass %: C: 0.40% to less than 0.75%; Si: 0.01% to 3.0%; Mn: 0.1% to 1.8%; S: 0.001% to 0.1%; Al: more than 0.1% and not more than 1.0%; N: 0.001% to 0.02%; and P: limited to not more than 0.05%, with a balance including Fe and inevitable impurities, in which the steel satisfies 139.38 ≦214×[C]+30.6×[Si]+42.8×[Mn]−14.7×[Al]≦177 and 0.72≦[C]+1/7×[Si]+1/5×[Mn]
摘要翻译：这种机械结构钢以质量％计含有：C：0.40％至小于0.75％; Si：0.01〜3.0％ Mn：0.1〜1.8％ S：0.001〜0.1％ Al：大于0.1％且不大于1.0％; N：0.001〜0.02％其中钢满足139.38 @ 214×[C] + 30.6×[Si] + 42.8×[Mn] -14.7×[Al]的平衡值，不超过0.05％ @ 177和0.72 @ [C] + 1/7×[Si] + 1/5×[Mn] <1.539。

7. 发明授权

US08772484B2 Process for producing benzo[f]quinoxaline compounds 有权
标题翻译：苯并[f]喹喔啉化合物的制备方法
公开(公告)号：US08772484B2
公开(公告)日：2014-07-08
申请号：US13412682
申请日：2012-03-06
申请人： Satoshi Inouye , Yuiko Miura , Suguru Yoshida , Takamitsu Hosoya
发明人： Satoshi Inouye , Yuiko Miura , Suguru Yoshida , Takamitsu Hosoya
IPC分类号： C07D487/12 , C07D241/10
CPC分类号： C07D241/38 , C07D241/20 , C07D241/44 , C07D241/54 , C07D487/04 , Y02P20/55
摘要： A simple process for producing v-coelenterazine compounds has been desired. Described is a process for producing a v-coelenterazine compound represented by general formula (II) comprising (1) the step of reacting a compound of general formula (VIII) with a methyltriphenylphosphonium salt in the presence of a base to give a compound represented by general formula (IX), (2) the step of performing a ring-closing metathesis reaction on any one selected from the group consisting of the compound represented by general formula (IX) and a compound of general formula (X) which is the compound of general formula (IX) wherein the amino is protected with R5, and then deprotecting R4 and, if any, R5 to give a v-coelenteramine compound represented by general formula (XIV), and (3) the step of reacting the compound of general formula (XIV) with a compound represented by general formula (XV) to give the compound of general formula (II).
摘要翻译：已经需要制备v-肠溶纤维素化合物的简单方法。本发明描述了一种制备由通式（II）表示的β-环糊精化合物的方法，包括（1）在碱存在下使通式（Ⅷ）化合物与甲基三苯基鏻盐反应，得到由通式（IX），（2）对选自由通式（IX）表示的化合物和作为化合物的通式（X）的化合物的任何一种进行闭环复分解反应的步骤的通式（IX）的化合物，其中氨基被R 5保护，然后使R 4和（如果有的话）R 5脱保护，得到由通式（XIV）表示的v-内网络胺化合物，和（3）通式（XIV）与通式（XV）表示的化合物反应，得到通式（II）的化合物。

8. 发明申请

US20120087825A1 Pearlite-Based High Carbon Steel Rail Having Excellent Ductility And Process For Production Thereof 有权
标题翻译：具有优异延展性的珠光体高碳钢轨及其生产工艺
公开(公告)号：US20120087825A1
公开(公告)日：2012-04-12
申请号：US13261069
申请日：2010-04-14
申请人： Teruhisa Miyazaki , Masaharu Ueda , Suguru Yoshida
发明人： Teruhisa Miyazaki , Masaharu Ueda , Suguru Yoshida
IPC分类号： B21B3/02 , C22C38/14 , C22C38/04 , C22C38/12 , C22C38/02
CPC分类号： C21D9/04 , C21D8/00 , C21D8/005 , C21D8/0226 , C21D2211/009 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/12 , C22C38/14
摘要： This high-carbon pearlitic steel rail having excellent ductility, includes: in terms of percent by mass, C: more than 0.85% to 1.40%; Si: 0.10% to 2.00%; Mn: 0.10% to 2.00%; Ti: 0.001% to 0.01%; V: 0.005% to 0.20%; and N: less than 0.0040%, with the balance being Fe and inevitable impurities, wherein contents of Ti and V fulfill the following formula (1), and a rail head portion has a pearlite structure. 5≦[V(% by mass)]/[Ti(% by mass)]≦20 Formula (1)
摘要翻译：这种具有优异延展性的高碳珠光体钢轨包括：以质量％计，C：大于0.85％至1.40％; Si：0.10〜2.00％; Mn：0.10〜2.00％ Ti：0.001〜0.01％ V：0.005〜0.20％和N：小于0.0040％，余量为Fe和不可避免的杂质，其中Ti和V的含量满足下式（1），轨头部分具有珠光体组织。 5＆nlE; [V（质量％）] / [Ti（质量％）]＆nlE; 20式（1）

9. 发明申请

US20120085209A1 CUTTING METHOD OF STEEL FOR MACHINE STRUCTURAL USE 有权
标题翻译：用于机械结构用钢的切割方法
公开(公告)号：US20120085209A1
公开(公告)日：2012-04-12
申请号：US13377018
申请日：2011-03-03
申请人： Toshiharu Aiso , Kei Miyanishi , Suguru Yoshida
发明人： Toshiharu Aiso , Kei Miyanishi , Suguru Yoshida
IPC分类号： B26D7/08
CPC分类号： B23Q11/1046 , B23B35/00 , B23B2222/84 , B23B2250/12 , B23C2250/12 , C21D1/667 , C21D1/76 , C21D2261/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/60 , Y02P70/169 , Y10T83/0443 , Y10T408/03 , Y10T408/44 , Y10T408/45
摘要： The cutting method of steel for machine structural use includes: forming a mist by mixing a cutting fluid supplied at a supply rate of 0.01 ml/hour to 200 ml/hour and an oxidizing gas containing, by volume %, 21% to 50% of oxygen; and cutting the steel for machine structural use while the mist is blown on the cutting edge surface of a tool and the surface of the steel for machine structural use, wherein the steel for machine structural use includes, by mass %: C: 0.01% to 1.2%, Si: 0.005% to 3.0%, Mn: 0.05% to 3.0%, P: 0.001% to 0.2%, S: 0.001% to 0.35%, N: 0.002% to 0.035%, Al: 0.05% to 1.0%, and the balance consisting of Fe and inevitable impurities in which O is limited to 0.003% or less, and the amount of Al [Al %] and the amount of N [N %] satisfy [Al %]−(27/14)×[N %]≧0.05.
摘要翻译：用于机械结构用途的钢的切割方法包括：通过将以0.01ml /小时的供给速度供给的切削液与200ml /小时的混合形成雾，以及以体积％计含有21％至50％的氧; 并且在将工具的切削刃表面和机械结构用钢的表面喷雾时，切割用于机械结构的钢，其中，机械结构用钢为质量％：C：0.01％〜 1.2％，Si：0.005〜3.0％，Mn：0.05〜3.0％，P：0.001〜0.2％，S：0.001〜0.35％，N：0.002％〜0.035％，Al：0.05〜1.0％，余量由Fe和不可避免的杂质构成，其中O限制在0.003％以下，Al [Al％]和N [N％]的量满足[Al％] - （27/14） ×[N％]≥0.05。

10. 发明申请

US20110318218A1 LOW SPECIFIC GRAVITY STEEL FOR FORGING USE EXCELLENT IN MACHINEABILITY 审中-公开
标题翻译：用于锻造的低特殊重力钢具有优异的机械性能
公开(公告)号：US20110318218A1
公开(公告)日：2011-12-29
申请号：US13138534
申请日：2010-04-08
申请人： Hiromasa Takada , Suguru Yoshida
发明人： Hiromasa Takada , Suguru Yoshida
IPC分类号： C22C38/18 , C22C38/60 , C22C38/06
CPC分类号： C22C38/001 , C22C38/02 , C22C38/06 , C22C38/38
摘要： Steel for forging having high strength and superior machinability due to controlled cooling immediately after shaping by hot forging followed by tempering and having a lower specific gravity than ordinary steel for forging use, the steel containing C: 0.05 to 0.50%, Si: 0.01 to 1.50%, Mn: 3.0 to 7.0%, P: 0.001 to 0.050%, S: 0.020 to 0.200%, Al: 3.0 to 6.0%, Cr: 0.01 to 1.00%, and N: 0.0040 to 0.0200% and having a balance of Fe and unavoidable impurities.
摘要翻译：锻造用钢通过热锻成形后立即控制冷却而具有高强度和优异的机械加工性，因此通过锻造而成型后的比例比通常的锻造用钢低，C：0.05〜0.50％，Si：0.01〜1.50 ％，Mn：3.0〜7.0％，P：0.001〜0.050％，S：0.020〜0.200％，Al：3.0〜6.0％，Cr：0.01〜1.00％，N：0.0040〜0.0200％和不可避免的杂质。

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