Study on surface modification and fabrication of surface composites of magnesium alloys by friction stir processing: a review

Journal of Engineering and Applied Science

Table 1 Advantages of FSP

S.No.	Area	Advantages	Reference
1	Mettalurgical	Homogenous microstructure	[35, 36]
		Fine grains	[37, 38]
		Fabrication of metal foam	[39, 40]
		Supersaturated grains	[41, 42]
		Solid state method	[21, 43]
		Good dimensional stability	[44, 45]
		Super plasticity
2	Bio-Medical	Increased bioactivity of metallic implants	[46–48]
		Improved degradation behavior of metallic implants
		Fabrication of multi-biofunctional materials
3	Mechanical	Improved fatigue life	[49, 50]
		Better strength and hardness
4	Tribological	Improved wear resistance	[51, 52]
		Improved corrosion resistance
		Low coefficient of friction
5	Energy	Energy efficient (Less energy reqirement than other solid state processing such as diffusion bonding)	[53, 54]
		Decreased pollution levels in light weight aerospace and automotive applications.
6	Environmental	Simple and green	[21, 55]
		Eliminate wastage of material
		No harmful gases produced
7	Safety	No harmful radiations	[56]
		No spatter