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https://scholarbank.nus.edu.sg/handle/10635/32542
| Title: | Cyclic overageing heat treatment for ductility and weldability improvement of nickel-based superalloys | Authors: | LIM, LEONG-CHEW | Issue Date: | 23-Apr-1996 | Citation: | LIM, LEONG-CHEW (1996-04-23). Cyclic overageing heat treatment for ductility and weldability improvement of nickel-based superalloys. ScholarBank@NUS Repository. | Abstract: | The present invention is directed to a pre-weld overageing heat treatment for nickel-based superalloys, where the alloy is heated to solutionization temperature for a time sufficient to dissolve the gamma prime phase of the alloy microstructure, then slowly cooled with periods of intermittent heating, so that the gamma prime phase reprecipitates as coarse equiaxed particles, and the presence of fine sized gamma prime phase particles is substantially avoided. The present invention is also directed to a welding method wherein said pre-weld overageing treatment is used. | URI: | http://scholarbank.nus.edu.sg/handle/10635/32542 |
| Appears in Collections: | Staff Publications |
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| US5509980.PDF | 339.47 kB | Adobe PDF | OPEN | Published | View/Download |
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