发明名称 |
Thermo-mechanical processing of nickel-base alloys |
摘要 |
A thermo-mechanical treatment process is disclosed. A nickel-base alloy workpiece is heated in a first heating step to a temperature greater than the M23C6 carbide solvus temperature of the nickel-base alloy. The nickel-base alloy workpiece is worked in a first working step to a reduction in area of 20% to 70%. The nickel-base alloy workpiece is at a temperature greater than the M23C6 carbide solvus temperature when the first working step begins. The nickel-base alloy workpiece is heated in a second working step to a temperature greater than 1700° F. (926° C.) and less than the M23C6 carbide solvus temperature of the nickel-base alloy. The nickel-base alloy workpiece is not permitted to cool to ambient temperature between completion of the first working step and the beginning of the second heating step. The nickel-base alloy workpiece is worked to a second reduction in area of 20% to 70%. The nickel-base alloy workpiece is at a temperature greater than 1700° F. (926° C.) and less than the M23C6 carbide solvus temperature of the nickel-base alloy when the second working step begins. |
申请公布号 |
US8652400(B2) |
申请公布日期 |
2014.02.18 |
申请号 |
US201113150494 |
申请日期 |
2011.06.01 |
申请人 |
FORBES JONES ROBIN M.;ROCK CHRISTOPHER D.;ATI PROPERTIES, INC. |
发明人 |
FORBES JONES ROBIN M.;ROCK CHRISTOPHER D. |
分类号 |
C22F1/10 |
主分类号 |
C22F1/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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