专利类型:  发明专利
申请号:  EP13831687
申请日期:  2013-06-28
公开号:  EP2888384B1
公开日期:  2016-09-28
申请人:  UNITED TECHNOLOGIES CORP
发明人:  DEMICHAEL THOMAS;DAS GOPAL;MOULIN MICHAEL A
地址:  
摘要:  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.
主权项:  A method for forming a blank having a dual property microstructure, said method comprising the steps of: forming a blank having a narrow top portion and a wide base portion; heating said blank to an elevated temperature; and forming a dual property microstructure in said blank by cooling different portions of said blank at different cooling rates, characterised in that : said cooling step comprises placing said blank on a grate, providing a plurality of cooling fans for flowing cooling air over said blank; and said cooling step further comprises aiming a first one of said cooling fans at a first portion of said blank and aiming a second one of said cooling fans at a second portion of said blank.
专利分类号:  C22C21/00;C22F1/18;C21D1/62;C22C14/00
专利状态:  有效专利
代理人:  
代理机构:  Leckey, David Herbert
国家及地区:  
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