Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Reexamination Certificate
2011-01-25
2011-01-25
Kastler, Scott (Department: 1793)
Metal treatment
Process of modifying or maintaining internal physical...
Heating or cooling of solid metal
C148S639000
Reexamination Certificate
active
07875135
ABSTRACT:
Provided is a method for heat treating a precipitation-hardened article having a thick section and a thin section so that the thin section can be solution annealed while the metallurgical structure of the thick section is substantially unaffected by the solution-annealing process. The method restores the microstructure of the thin section uniformly by solution annealing the thin section to achieve a preselected microstructure but without affecting the microstructure of the thick section.
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Govern Walston Christine
Grossklaus Warren D.
Kelly Thomas J.
Tholke Brent R.
General Electric Company
Kastler Scott
McNees Wallace & Nurick LLC
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