公开(公告)号：GB2148940B

公开(公告)日：1987-05-28

申请号：GB8425444

申请日：1984-10-09

Applicant: UNITED TECHNOLOGIES CORP

Inventor： BERCZIK DOUGLAS MICHAEL ,  BRODI GEORGE ,  O'CONNELL THOMAS EDWARD

IPC: C22C14/00 ,  C22F1/00 ,  C22F1/18

Abstract: Process for improving the crack growth behavior of titanium alloys containing substantial beta stabilizers and at least 3% molybdenum, such as Ti-6-2-4-6. The process includes the steps of forging above the beta transus temperature, cooling at a controlled rate through the beta transus temperature, heating to a temperature between 50 DEG -150 DEG F. below the beta transus temperature, cooling the alloy at a rate in excess of that produced by air cooling, and aging the material between about 900 DEG F. and 1100 DEG F. The resultant material has substantially improved crack growth behavior when contrasted with material processed according to the prior art.

公开(公告)号：IT1168283B

公开(公告)日：1987-05-20

申请号：IT2295783

申请日：1983-09-22

Applicant: UNITED TECHNOLOGIES CORP

Inventor： WINFREE JULES POINTRE ,  CHIN HERBERT ARTHUR JOSEPH ,  O'CONNELL THOMAS EDWARD

IPC: F16C3/00 ,  C22C19/03 ,  C22C19/05 ,  C22F1/00 ,  C22F1/10 ,  F16C

公开(公告)号：FR2533232A1

公开(公告)日：1984-03-23

申请号：FR8314513

申请日：1983-09-13

Applicant: UNITED TECHNOLOGIES CORP

Inventor： WINFREE JULES POINTRE ,  CHIN HERBERT ARTHUR JOSEPH ,  O'CONNELL THOMAS EDWARD

IPC: F16C3/00 ,  C22C19/03 ,  C22C19/05 ,  C22F1/00 ,  C22F1/10 ,  B22F3/20