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Title : Ni-Superalloy, heat treated above gamma-prime solvus

Description : Micrograph shows a microstructure now devoid of γ' as at this temperature it has become fully dissolved into the matrix. This results in grain growth, partly due to the solution of γ' into the γ matrix and also because the main mechanism for preventing grain growth, namely the primary γ' is no longer present. Carbide phases still exist and act in places to inhibit grain boundary motion and therefore grain growth. View schematic diagram of γ' microstructure

Date : 2009-08-21T01:50:21+01:00

License : http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Publisher : Core-Materials

Creator :

Creator :

Subject : heat treatment

Subject : nickel

Subject : DoITPoMS

Subject : University of Cambridge

Subject : micrograph

Subject : corematerials

Subject : ukoer