On Incipient Melting During High Temperature Heat Treatment Of Cast Inconel 738 Superalloy

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THE APPLICATION OF HOT ISOSTATIC PRESSING PROCESS TO

strengthening elements, i.e., carbon and boron, which decrease the incipient melting temperatures to prevent perfect solutioning of the gamma prime phase. Fig.1 Heat treatment diagram for precipitation strengthening in nickel-base superalloys [8] Conditions of heat treatment processes were developed especially for rejuvenation of each alloy.

Study on incipient melting in cast Ni base IN939 superalloy

Study on incipient melting in cast Ni base IN939 superalloy during solution annealing and its effect on hot workability M. R. Jahangiri*1,2, S. M. A. Boutorabi1,3 and H. Arabi1,3 Incipient melting of IN939 superalloy was investigated during solution annealing. In addition, the effect of this phenomenon was studied on hot workability of the alloy.

Response of IN-939 to Process Variations - TMS

The developmenf of the I-stage heat treatment for the cast corrosion-resistant superalloy IN-939 is described. The effects on properties and structures of the various stages of heat treatment are reviewed and pripe&es achievable for a 4h/116O C +