Open Access

Table 1

Usage limitations of AA7075.

Type of limitation References
Difficulty in joining by conventional fusion-welding techniques [37]
Involves complicated process for welding and it is highly reactive to caustic acids, water, and oxygen. [31]
Poor tribological properties [4,14,20,25,3842]
Fatigue cracks due to cyclic loading is one of the most important issues in these alloys [4345]
Poor mechanical and the tribological properties at high temperatures [18]
Reduced strength and hardness due to residual coarse and insoluble secondary phases [19]
Lower compression strength and hardness [46]
Formation of built-up-edge to lower machinability and reduce tool life [23]

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