公开(公告)号：NO162569B

公开(公告)日：1989-10-09

申请号：NO845118

申请日：1984-12-20

Applicant: UNITED TECHNOLOGIES CORP

Inventor： BROWN EDGAR E ,  HATALA ROBERT W

IPC: C21D8/00 ,  C22F1/00 ,  C22F1/10

Abstract: Heat treatments are described which improve subsequent HIP treatment results of superalloy articles. The heat treatments substantially eliminate certain low melting phases which otherwise would cause problems relating to gas entrapment during a HIP process. The articles are heated to a temperature near but below the intended HIP temperature for a period of time sufficient to reduce the low melting phase.

公开(公告)号：IT1181943B

公开(公告)日：1987-09-30

申请号：IT2426384

申请日：1984-12-27

Applicant: UNITED TECHNOLOGIES CORP

Inventor： BROWN EDGAR E ,  HATALA ROBERT W

IPC: C21D8/00 ,  C22F1/00 ,  C22F1/10 ,  C22C

Abstract: Heat treatments are described which improve subsequent HIP treatment results of superalloy articles. The heat treatments substantially eliminate certain low melting phases which otherwise would cause problems relating to gas entrapment during a HIP process. The articles are heated to a temperature near but below the intended HIP temperature for a period of time sufficient to reduce the low melting phase.

公开(公告)号：FR2557146A1

公开(公告)日：1985-06-28

申请号：FR8419130

申请日：1984-12-14

Applicant: UNITED TECHNOLOGIES CORP

Inventor： BROWN EDGAR E ,  HATALA ROBERT W

IPC: C21D8/00 ,  C22F1/00 ,  C22F1/10 ,  B23P9/02

Abstract: Heat treatments are described which improve subsequent HIP treatment results of superalloy articles. The heat treatments substantially eliminate certain low melting phases which otherwise would cause problems relating to gas entrapment during a HIP process. The articles are heated to a temperature near but below the intended HIP temperature for a period of time sufficient to reduce the low melting phase.

公开(公告)号：GB2307483A

公开(公告)日：1997-05-28

申请号：GB9703903

申请日：1994-11-10

Applicant: UNITED TECHNOLOGIES CORP

Inventor： SCHIRRA JOHN J ,  MILLER JOHN A ,  HATALA ROBERT W

IPC: C22C19/05

Abstract: An article is disclosed which is formed out of an alloy consisting essentially of 0.5-3%Ta, 1-4%Al, 1.7-5%Ti, 15-25%Co, 0-3%Cb, at least 12%Cr, at least 0.05%C, with the balance being essential nickel. The article is in the form of an aggregation of grains of said alloy, and includes discrete chromium carbide precipitates located along the outer perimeter thereof so that adjacent said grains define a substantially serrated grain boundary which offers improved mechanical properties.

公开(公告)号：FR2712307B1

公开(公告)日：1996-09-27

申请号：FR9413390

申请日：1994-11-08

Applicant: UNITED TECHNOLOGIES CORP

Inventor： SCHIRRA JOHN J ,  MILLER JOHN A ,  HATALA ROBERT W

IPC: C22C19/05 ,  C22F1/00 ,  C22F1/10 ,  C21C1/78

公开(公告)号：NO162569C

公开(公告)日：1990-01-17

申请号：NO845118

申请日：1984-12-20

Applicant: UNITED TECHNOLOGIES CORP

Inventor： BROWN EDGAR E ,  HATALA ROBERT W

IPC: C21D8/00 ,  C22F1/00 ,  C22F1/10

Abstract: Heat treatments are described which improve subsequent HIP treatment results of superalloy articles. The heat treatments substantially eliminate certain low melting phases which otherwise would cause problems relating to gas entrapment during a HIP process. The articles are heated to a temperature near but below the intended HIP temperature for a period of time sufficient to reduce the low melting phase.

公开(公告)号：CA1243508A

公开(公告)日：1988-10-25

申请号：CA468428

申请日：1984-11-22

Applicant: UNITED TECHNOLOGIES CORP

Inventor： BROWN EDGAR E ,  HATALA ROBERT W

IPC: C21D8/00 ,  C22F1/00 ,  C22F1/10 ,  B22F3/12

Abstract: Pre-Hip Heat Treatment of Superalloy Castings Heat treatments are described which improve subsequent HIP treatment results of superalloy articles. The heat treatments substantially eliminate certain low melting phases which otherwise would cause problems relating to gas entrapment during a HIP process. The articles are heated to a temperature near but below the intended HIP temperature for a period of time sufficient to reduce the low melting phase.

公开(公告)号：GB2152075A

公开(公告)日：1985-07-31

申请号：GB8431278

申请日：1984-12-12

Applicant: UNITED TECHNOLOGIES CORP

Inventor： BROWN EDGAR E ,  HATALA ROBERT W

IPC: C21D8/00 ,  C22F1/00 ,  C22F1/10

Abstract: Heat treatments are described which improve subsequent HIP treatment results of superalloy articles. The heat treatments substantially eliminate certain low melting phases which otherwise would cause problems relating to gas entrapment during a HIP process. The articles are heated to a temperature near but below the intended HIP temperature for a period of time sufficient to reduce the low melting phase.

公开(公告)号：NO845118L

公开(公告)日：1985-06-28

申请号：NO845118

申请日：1984-12-20

Applicant: UNITED TECHNOLOGIES CORP

Inventor： BROWN EDGAR E ,  HATALA ROBERT W

IPC: C21D8/00 ,  C22F1/00 ,  C22F1/10 ,  C22F

Abstract: Heat treatments are described which improve subsequent HIP treatment results of superalloy articles. The heat treatments substantially eliminate certain low melting phases which otherwise would cause problems relating to gas entrapment during a HIP process. The articles are heated to a temperature near but below the intended HIP temperature for a period of time sufficient to reduce the low melting phase.