Promoting directional grain growth in objects

Details Promoting directional grain growth in objects Promoting directional grain growth in objects

C - Chemistry, Metallurgy

21

D

148/36

C21D 1/70 (2006.01) C22F 1/10 (2006.01)

Patent

CA 1234740

PROMOTING DIRECTIONAL GRAIN GROWTH IN OBJECTS ABSTRACT OF THE DISCLOSURE A heat treating method for promoting directional recrystal- lization in objects in general and, more particularly, forgings having relatively low length to thickness ratios. The objects are partially embedded in containers having insulating material therein. The containers are placed into furnaces wherein the rate of the advancing isotherm travelling through the objects are controlled. This process may be used in lieu of zone annealing and atatic recrystallization heat treatments.

476733

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