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1. 发明授权

US09738953B2 Hot-forgeable Ni-based superalloy excellent in high temperature strength 有权
公开(公告)号：US09738953B2
公开(公告)日：2017-08-22
申请号：US14167370
申请日：2014-01-29
申请人： Mototsugu Osaki , Shigeki Ueta , Takuma Okajima , Ayumi Hori
发明人： Mototsugu Osaki , Shigeki Ueta , Takuma Okajima , Ayumi Hori
IPC分类号： C22C19/05
CPC分类号： C22C19/056 , C22C19/055
摘要： The present invention provides a hot-forgeable Ni-based superalloy excellent in high temperature strength, including, in terms of % by mass: C: more than 0.001% and less than 0.100%, Cr: 11.0% or more and less than 19.0%, Co: 0.5% or more and less than 22.0%, Fe: 0.5% or more and less than 10.0%, Si: less than 0.1%, Mo: more than 2.0% and less than 5.0%, W: more than 1.0% and less than 5.0%, Mo+½W: 2.5% or more and less than 5.5%, S: 0.010% or less, Nb: 0.3% or more and less than 2.0%, Al: more than 3.00% and less than 6.50%, and Ti: 0.20% or more and less than 2.49%, with the balance being Ni and unavoidable impurities, in which (Ti/Al)×10 is 0.2 or more and less than 4.0 in terms of atomic ratio, and in which Al+Ti+Nb is 8.5% or more and less than 13.0% in terms of atomic %.

2. 发明申请

US20140212321A1 HEAT-RESISTING STEEL FOR EXHAUST VALVES 有权
标题翻译：排气阀用耐热钢
公开(公告)号：US20140212321A1
公开(公告)日：2014-07-31
申请号：US14240187
申请日：2012-08-24
申请人： Mototsugu Osaki , Shigeki Ueta , Takashi Tsuyumu
发明人： Mototsugu Osaki , Shigeki Ueta , Takashi Tsuyumu
IPC分类号： C22C38/58 , C22C38/50 , C22C38/00 , C22C38/44 , C22C38/06 , C22C38/02 , C22C38/54 , C22C38/48
CPC分类号： C22C38/58 , C21D6/004 , C21D9/0068 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/06 , C22C38/44 , C22C38/48 , C22C38/50 , C22C38/54 , F01L3/02
摘要： The object of the present invention is to provide a heat-resistant steel for exhaust valves, having relatively small Ni content, high mechanical characteristics (for example, tensile strength, fatigue strength, wear resistance and hardness) at high temperature, and excellent oxidation resistance. The present invention provides a heat-resistant steel for exhaust valves, which includes: 0.45≦C
摘要翻译：本发明的目的是提供一种排气门用耐热钢，Ni含量相对较小，高温下的机械特性（例如拉伸强度，疲劳强度，耐磨性和硬度）高，耐氧化性优异。本发明提供了一种排气门用耐热钢，其特征在于，包括：0.45≤n.E≤0.06质量％，0.30

3. 发明申请

US20110236247A1 HEAT RESISTANT STEEL FOR EXHAUST VALVE 审中-公开
标题翻译：排气阀耐热钢
公开(公告)号：US20110236247A1
公开(公告)日：2011-09-29
申请号：US13070629
申请日：2011-03-24
申请人： Mototsugu Osaki , Shigeki Ueta , Takashi Tsuyumu
发明人： Mototsugu Osaki , Shigeki Ueta , Takashi Tsuyumu
IPC分类号： C22C38/58 , C22C38/48 , C22C38/44 , C22C38/52 , C22C38/54
CPC分类号： C22C38/02 , C21D9/0068 , C22C38/001 , C22C38/44 , C22C38/48 , C22C38/58 , F01L3/02 , F01L2103/00 , F01L2820/00
摘要： The present invention provides a heat resistant steel for an exhaust valve, containing: more than 0.50% by mass but less than 0.80% by mass of C, more than 0.30% by mass but less than 0.60% by mass of N, 17.0% by mass or more but less than 25.0% by mass of Cr, 4.0% by mass or more but less than 12.0% by mass of Ni, 7.0% by mass or more but less than 14.0% by mass of Mn, 2.0% by mass or more but less than 6.0% by mass of Mo, more than 0.5% by mass but less than 1.5% by mass of Si, and 0.025% by mass or more but less than 1.0% by mass of Nb, with the balance consisting of Fe and unavoidable impurities, in which a content of P contained in the unavoidable impurities is regulated to less than 0.03% by mass, a total content of C and N is from 0.85% by mass to 1.3% by mass, and a ratio of the content of Nb to the content of C is 0.05 or more but less than 1.8.
摘要翻译：本发明提供一种用于排气阀的耐热钢，其含有：大于0.50质量％且小于0.80质量％的C，大于0.30质量％且小于0.60质量％的N，17.0重量％以上且小于25.0质量％的Cr，4.0质量％以上且小于12.0质量％的Ni，7.0质量％以上且小于14.0质量％的Mn，2.0质量％以下，或更多但小于6.0质量％的Mo，大于0.5质量％但小于1.5质量％的Si，以及0.025质量％以上且小于1.0质量％的Nb，余量由Fe 和不可避免的杂质，其中将不可避免的杂质中含有的P的含量调节至小于0.03质量％，C和N的总含量为0.85质量％至1.3质量％，并且含量的Nb含量为0.05以上且小于1.8。

4. 发明授权

US09745649B2 Heat-resisting steel for exhaust valves 有权
公开(公告)号：US09745649B2
公开(公告)日：2017-08-29
申请号：US14240187
申请日：2012-08-24
申请人： Mototsugu Osaki , Shigeki Ueta , Takashi Tsuyumu
发明人： Mototsugu Osaki , Shigeki Ueta , Takashi Tsuyumu
IPC分类号： C22C38/58 , C22C38/02 , C22C38/06 , C22C38/44 , C22C38/48 , C22C38/50 , C22C38/54 , C22C38/00 , C21D6/00 , C21D9/00 , F01L3/02
CPC分类号： C22C38/58 , C21D6/004 , C21D9/0068 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/06 , C22C38/44 , C22C38/48 , C22C38/50 , C22C38/54 , F01L3/02
摘要： The object of the present invention is to provide a heat-resistant steel for exhaust valves, having relatively small Ni content, high mechanical characteristics (for example, tensile strength, fatigue strength, wear resistance and hardness) at high temperature, and excellent oxidation resistance. The present invention provides a heat-resistant steel for exhaust valves, which includes: 0.45≦C

5. 发明申请

US20150284823A1 HOT-FORGEABLE NI-BASED SUPERALLOY EXCELLENT IN HIGH TEMPERATURE STRENGTH 有权
标题翻译：耐高温的耐高温超高温高温
公开(公告)号：US20150284823A1
公开(公告)日：2015-10-08
申请号：US14167370
申请日：2014-01-29
申请人： Mototsugu OSAKI , Shigeki UETA , Takuma OKAJIMA , Ayumi HORI
发明人： Mototsugu OSAKI , Shigeki UETA , Takuma OKAJIMA , Ayumi HORI
IPC分类号： C22C19/05
CPC分类号： C22C19/056 , C22C19/055
摘要： The present invention provides a hot-forgeable Ni-based superalloy excellent in high temperature strength, including, in terms of % by mass: C: more than 0.001% and less than 0.100%, Cr: 11.0% or more and less than 19.0%, Co: 0.5% or more and less than 22.0%, Fe: 0.5% or more and less than 10.0%, Si: less than 0.1%, Mo: more than 2.0% and less than 5.0%, W: more than 1.0% and less than 5.0%, Mo+½W: 2.5% or more and less than 5.5%, S: 0.010% or less, Nb: 0.3% or more and less than 2.0%, Al: more than 3.00% and less than 6.50%, and Ti: 0.20% or more and less than 2.49%, with the balance being Ni and unavoidable impurities, in which (Ti/Al)×10 is 0.2 or more and less than 4.0 in terms of atomic ratio, and in which Al+Ti+Nb is 8.5% or more and less than 13.0% in terms of atomic %.
摘要翻译：本发明提供了一种耐热强度优异的热可锻Ni基超合金，其包括以质量％计：C：大于0.001％且小于0.100％，Cr：11.0％以上且小于19.0％，Co：0.5％以上且小于22.0％，Fe：0.5％以上且小于10.0％，Si：小于0.1％，Mo：大于2.0％且小于5.0％，W：大于1.0％小于5.0％，Mo + 1/2W：2.5％以上且小于5.5％，S：0.010％以下，Nb：0.3％以上且小于2.0％，Al：超过3.00％以上且低于6.50％，Ti：0.20％以上且小于2.49％，余量为Ni和不可避免的杂质，其中（Ti / Al）×10为原子比的0.2以上且4.0以下，Al + Ti + Nb以原子％计为8.5％以上且小于13.0％。

6. 发明申请

US20130206287A1 CO-BASED ALLOY 审中-公开
标题翻译：基于合金的合金
公开(公告)号：US20130206287A1
公开(公告)日：2013-08-15
申请号：US13816905
申请日：2011-08-15
申请人： Jun Sato , Shinya Imano , Mototsugu Osaki , Shigeki Ueta , Kiyohito Ishida , Toshihiro Omori , Hiroaki Nishida , Masahiro Hayashi , Tomoki Shiota
发明人： Jun Sato , Shinya Imano , Mototsugu Osaki , Shigeki Ueta , Kiyohito Ishida , Toshihiro Omori , Hiroaki Nishida , Masahiro Hayashi , Tomoki Shiota
IPC分类号： C22F1/10 , C22C30/00 , C22C19/05
CPC分类号： C22F1/10 , C22C19/055 , C22C19/056 , C22C19/057 , C22C30/00 , F01D5/28 , F05C2201/0463 , F05D2300/17 , Y02T50/671
摘要： A Co-based alloy containing not less than 0.001 mass % and less than 0.100 mass % of C, not less than 9.0 mass % and less than 20.0 mass % of Cr, not less than 2.0 mass % and less than 5.0 mass % of Al, not less than 13.0 mass % and less than 20.0 mass % of W, and not less than 39.0 mass % and less than 55.0 mass % of Ni, with the remainder being made up by Co and unavoidable impurities, wherein the contents of Mo, Nb, Ti and Ta which are included in the unavoidable impurities are as follows: Mo
摘要翻译：含有不小于0.001质量％且小于0.100质量％的C，不小于9.0质量％且小于20.0质量％的Cr的Co基合金，不小于2.0质量％且小于5.0质量％的Al ，不小于13.0质量％且小于20.0质量％的W，不小于39.0质量％且小于55.0质量％的Ni，其余由Co和不可避免的杂质构成，其中Mo，包含在不可避免的杂质中的Nb，Ti和Ta如下：Mo <0.010质量％，Nb <0.010质量％，Ti <0.010质量％，Ta <0.010质量％。

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