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1. 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％。

2. 发明申请

US20060260722A1 Method of predicting die lives 审中-公开
标题翻译：预测死亡生活的方法
公开(公告)号：US20060260722A1
公开(公告)日：2006-11-23
申请号：US11438257
申请日：2006-05-23
申请人： Hiroaki Yoshida , Shigekazu Itoh , Takuma Okajima
发明人： Hiroaki Yoshida , Shigekazu Itoh , Takuma Okajima
IPC分类号： C21D8/00
CPC分类号： B21J13/02 , B21J5/00
摘要： Disclosed is a method of predicting lives of dies for plastic processing of metals, typically, forging dies, to enable improved die design by predicting an important factor, low cycle fatigue life FL (shot number possible until the die lives end). The method is characterized in that the low cycle damage value “Dc” defined by the formula: Dc=σeq/(YS×softening rate), wherein, σeq is Von Misese's equivalent stress, YS is yield stress (including both of those at tension and compression), and that the following formula is introduced: FL=C1×exp(C2×DcC3), wherein, FL is shot number until the die fracture, and C1, C2 and C3 are constants depending on the material used, so as to presume the possible shot number of the die.
摘要翻译：公开了一种预测金属塑料加工（通常为锻造模具）的模具的寿命的方法，通过预测重要因素，低循环疲劳寿命FL（直到模具寿命结束的射出数量）来实现改进的模具设计。该方法的特征在于由下列公式定义的低循环损伤值“Dc”，其中，ΣSSS软化速率为VonMisese's 等效应力，YS是屈服应力（包括张力和压缩的两者），并且引入以下公式：FL = C 1 xexp（C 2×Dc < SUP> C3 ），其中，FL是直到模头断裂的喷射数，C 1，C 2和C 3 是根据所使用的材料的常数，以便假设模具的可能的射击次数。

3. 发明授权

US08950070B2 Method of forging turbine blade 有权
标题翻译：涡轮叶片锻造方法
公开(公告)号：US08950070B2
公开(公告)日：2015-02-10
申请号：US13544151
申请日：2012-07-09
申请人： Koji Kimura , Takuma Okajima
发明人： Koji Kimura , Takuma Okajima
IPC分类号： B21D53/78 , B21K3/04
CPC分类号： B21K3/04 , Y10T29/49336
摘要： The present invention relates to a method of forging turbine blade, which comprises forging a plurality of turbine blades as an integrally connected body in a longitudinal direction, and then separating the integrally connected body into said respective turbine blades. According to the method of the invention, a yield of material can be improved as compared with the conventional art and the number of processes for forging work can be reduced. In addition, the turbine blades cab be forged into a favorable shape without occurring cracks. Further, it is possible to effectively reduce the cost for the die required for the forging work.
摘要翻译：涡轮叶片的锻造方法技术领域本发明涉及涡轮叶片的锻造方法，该方法包括沿纵向锻造多个涡轮叶片作为整体连接的主体，然后将整体连接的主体分离成所述各个涡轮叶片。根据本发明的方法，与传统技术相比，可以提高材料的产量，并且可以减少锻造工序的数量。此外，涡轮叶片驾驶室锻造成有利的形状而不产生裂缝。此外，可以有效地降低锻造所需的模具的成本。

4. 发明申请

US20060266125A1 Method of predicting damage of dies 审中-公开
标题翻译：预测模具损伤的方法
公开(公告)号：US20060266125A1
公开(公告)日：2006-11-30
申请号：US11440045
申请日：2006-05-25
申请人： Hiroaki Yoshida , Shigekazu Itoh , Takuma Okajima
发明人： Hiroaki Yoshida , Shigekazu Itoh , Takuma Okajima
IPC分类号： G01B5/30
CPC分类号： B21C25/025 , B21J13/02
摘要： Disclosed is a method of predicting damage of dies for plastic processing of metals, typically, forging dies, to contribute to die design including choice of material, hardness and configuration of the die. The method is characterized in that the plastic flow criteria value “Dc” defined by the formula below is calculated: Dc=σeq/(YS×SRtotal), wherein σeq is Von Misese's equivalent stress, YS is dynamic compressive yield stress, and SRtotal is softening rate, and that the damage of die is predicted with the condition that, if the value of Dc reaches 1.0, the plastic deformation or the plastic flow begins to occur
摘要翻译：公开了一种预测金属（通常为锻造模具）的塑性加工的模具的损坏的方法，以有助于模具设计，包括材料的选择，模具的硬度和构造。该方法的特征在于计算由以下公式定义的塑性流动标准值“Dc”：Dc =σσS /（YS x S R TAL），其中σ

5. 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 %.

6. 发明申请

US20130014387A1 METHOD OF FORGING TURBINE BLADE 有权
标题翻译：锻造涡轮叶片的方法
公开(公告)号：US20130014387A1
公开(公告)日：2013-01-17
申请号：US13544151
申请日：2012-07-09
申请人： Koji KIMURA , Takuma OKAJIMA
发明人： Koji KIMURA , Takuma OKAJIMA
IPC分类号： B21K3/04
CPC分类号： B21K3/04 , Y10T29/49336
摘要： The present invention relates to a method of forging turbine blade, which comprises forging a plurality of turbine blades as an integrally connected body in a longitudinal direction, and then separating the integrally connected body into said respective turbine blades. According to the method of the invention, a yield of material can be improved as compared with the conventional art and the number of processes for forging work can be reduced. In addition, the turbine blades cab be forged into a favorable shape without occurring cracks. Further, it is possible to effectively reduce the cost for the die required for the forging work.
摘要翻译：涡轮叶片的锻造方法技术领域本发明涉及涡轮叶片的锻造方法，该方法包括沿纵向锻造多个涡轮叶片作为整体连接的主体，然后将整体连接的主体分离成所述各个涡轮叶片。根据本发明的方法，与传统技术相比，可以提高材料的产量，并且可以减少锻造工序的数量。此外，涡轮叶片驾驶室锻造成有利的形状而不产生裂缝。此外，可以有效地降低锻造所需的模具的成本。

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