Table 4.

Types and morphologies observed in $\mathrm{\gamma }$.

$\gamma$ type	Morphology
Grain boundary-γ, GB-${\gamma }_2$	Elongated islands and sometimes finger shape
Widmanstätten-γ, W-${\gamma }_2$	Thin plates extended from GB-${\gamma }_2$
Intra-granular-γ, IG-${\gamma }_2$	Continuous squarish and colonies of tiny grains
Partially transformed-γ (PTA)	Polygonal trapezoidal and palm shape