FSW	Friction stir welding	BM	Base material
RSM	Response surface method	TMAZ	Thermomechanical affected zone
w	Rotational speed	HAZ	Heat-affected zone
v	Welding speed	SZ	Stirring zone
h	Plunge depth	BBD	Box–Behnken design
UTS	Ultimate tensile strength	PMM	Parametric mathematical model
WNH	Weld nugget hardness	ANOVA	Analysis of Variance
IPF	Inverse pole figure	DRV	Dynamic recovery
GB	Grain boundary	DRX	Dynamic recrystallization
HAGB	High-angle grain boundaries	CDRX	Continuous dynamic recrystallization
LAGB	Low-angle grain boundaries	DDRX	Discontinuous dynamic recrystallization
KAM	Kernel Average Misorientation	GDRX	Geometric dynamic recrystallization