公开(公告)号：WO2015077692A1

公开(公告)日：2015-05-28

申请号：PCT/US2014/067073

申请日：2014-11-24

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： CHIN, Herbert A. ,  HALUCK, David A. ,  OGDEN, William P. ,  MOULIN, Michael A.

IPC: C21D1/06

CPC classification number: C21D9/38 ,  C21D1/06 ,  C21D6/002 ,  C21D7/13 ,  C21D2211/008 ,  C23C8/02 ,  C23C8/22 ,  C23C8/32 ,  F16C33/32 ,  F16C33/34 ,  F16C33/62 ,  F16C2204/72 ,  F16C2223/12 ,  F16C2223/16

Abstract: A method for cost effectively case hardening a component formed from a martensitic stainless steel material with a desired metallurgical condition for high temperature, high rolling contact fatigue, corrosion and spall initiation and propagation resistance bearing performance. The method describes a method to significantly reduce the carburization or carbo-nitriding process times for appreciable reduction in manufacturing cost. The Method includes the steps of: forming the component from a martensitic stainless steel material having an ASTM grain size of 9 or finer; and subjecting the component to one of a carburization and a carbo-nitriding treatment with significantly lower case hardening times for manufacturing cost-effectiveness.

Abstract translation: 一种用于具有期望的冶金条件的马氏体不锈钢材料形成的用于高温，高滚动接触疲劳，腐蚀和剥离起始和传播阻力承载性能的成分的方法。 该方法描述了显着减少渗碳或碳氮化处理时间的方法，以明显降低制造成本。 该方法包括以下步骤：从ASTM晶粒尺寸为9或更细的马氏体不锈钢材料形成组分; 并且以显着低的硬化时间对组分进行渗碳和碳氮化处理之一，从而制造成本效益。

公开(公告)号：WO2014031234A1

公开(公告)日：2014-02-27

申请号：PCT/US2013/048395

申请日：2013-06-28

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： DEMICHAEL, Thomas ,  DAS, Gopal ,  MOULIN, Michael A.

IPC: C22F1/18

CPC classification number: C22F1/183 ,  C21D1/62 ,  C21D2221/00 ,  C22C14/00 ,  C22C21/00 ,  C22F1/18

Abstract: A method for forming a part having a dual property microstructure includes the steps of: forming a blank having a narrow top portion and a wide base portion; heating the blank to an elevated temperature; and forming a dual property microstructure in the blank by cooling different portions of the blank at different cooling rates.

Abstract translation: 一种形成具有双性质微结构的部件的方法包括以下步骤：形成具有窄顶部和宽基部的坯料; 将坯料加热至高温; 并通过以不同的冷却速率冷却坯料的不同部分，在坯料中形成双重性能微观结构。

公开(公告)号：EP3074542A1

公开(公告)日：2016-10-05

申请号：EP14863663.2

申请日：2014-11-24

Applicant: United Technologies Corporation

Inventor： CHIN, Herbert A. ,  HALUCK, David A. ,  OGDEN, William P. ,  MOULIN, Michael A.

IPC: C21D1/06

CPC classification number: C21D9/38 ,  C21D1/06 ,  C21D6/002 ,  C21D7/13 ,  C21D2211/008 ,  C23C8/02 ,  C23C8/22 ,  C23C8/32 ,  F16C33/32 ,  F16C33/34 ,  F16C33/62 ,  F16C2204/72 ,  F16C2223/12 ,  F16C2223/16

Abstract: A method for cost effectively case hardening a component formed from a martensitic stainless steel material with a desired metallurgical condition for high temperature, high rolling contact fatigue, corrosion and spall initiation and propagation resistance bearing performance. The method describes a method to significantly reduce the carburization or carbo-nitriding process times for appreciable reduction in manufacturing cost. The Method includes the steps of: forming the component from a martensitic stainless steel material having an ASTM grain size of 9 or finer; and subjecting the component to one of a carburization and a carbo-nitriding treatment with significantly lower case hardening times for manufacturing cost-effectiveness.

Abstract translation: 一种用于具有期望的冶金条件的马氏体不锈钢材料形成的用于高温，高滚动接触疲劳，腐蚀和剥离起始和传播阻力承载性能的成分的方法。 该方法描述了显着减少渗碳或碳氮化处理时间的方法，以明显降低制造成本。 该方法包括以下步骤：从ASTM晶粒尺寸为9或更细的马氏体不锈钢材料形成组分; 并以显着低的硬化时间对组分进行渗碳和碳氮化处理之一，从而制造成本效益。

公开(公告)号：EP2888384B1

公开(公告)日：2016-09-28

申请号：EP13831687.2

申请日：2013-06-28

Applicant: United Technologies Corporation

Inventor： DEMICHAEL, Thomas ,  DAS, Gopal ,  MOULIN, Michael A.

IPC: C22F1/18 ,  C21D1/62 ,  C22C14/00 ,  C22C21/00

CPC classification number: C22F1/183 ,  C21D1/62 ,  C21D2221/00 ,  C22C14/00 ,  C22C21/00 ,  C22F1/18

Abstract: A method for forming a part having a dual property microstructure includes the steps of: forming a blank having a narrow top portion and a wide base portion; heating the blank to an elevated temperature; and forming a dual property microstructure in the blank by cooling different portions of the blank at different cooling rates.

公开(公告)号：EP3696286A1

公开(公告)日：2020-08-19

申请号：EP20160445.1

申请日：2014-11-24

Applicant: United Technologies Corporation

Inventor： CHIN, Herbert A. ,  HALUCK, David A. ,  OGDEN, William P. ,  MOULIN, Michael A.

IPC: C21D7/13 ,  C21D1/06 ,  C21D6/00 ,  C21D9/38 ,  C21D9/32 ,  C23C8/02 ,  C23C8/32 ,  C23C8/22 ,  C22C38/02 ,  C22C38/44 ,  C22C38/46 ,  C22C38/50 ,  C22C38/52

Abstract: A method for cost effectively case hardening a component formed from a martensitic stainless steel material with a desired metallurgical condition for high temperature, high rolling contact fatigue, corrosion and spall initiation and propagation resistance bearing performance. The method describes a method to significantly reduce the carburization or carbo-nitriding process times for appreciable reduction in manufacturing cost. The Method includes the steps of: forming the component from a martensitic stainless steel material having an ASTM grain size of 9 or finer; and subjecting the component to one of a carburization and a carbo-nitriding treatment with significantly lower case hardening times for manufacturing cost-effectiveness.

公开(公告)号：EP2888384A1

公开(公告)日：2015-07-01

申请号：EP13831687.2

申请日：2013-06-28

Applicant: United Technologies Corporation

Inventor： DEMICHAEL, Thomas ,  DAS, Gopal ,  MOULIN, Michael A.

IPC: C22F1/18

CPC classification number: C22F1/183 ,  C21D1/62 ,  C21D2221/00 ,  C22C14/00 ,  C22C21/00 ,  C22F1/18

Abstract: A method for forming a part having a dual property microstructure includes the steps of: forming a blank having a narrow top portion and a wide base portion; heating the blank to an elevated temperature; and forming a dual property microstructure in the blank by cooling different portions of the blank at different cooling rates.

Abstract translation: 一种用于形成具有双特性微结构的部件的方法包括以下步骤：形成具有窄顶部和宽底部的坯件; 将坯料加热至高温; 并通过以不同的冷却速率冷却坯料的不同部分而在坯件中形成双性能微结构。