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Title: Fatigue and Heat Transfer Behaviour of Shot Peened Aluminium Alloy
Author: MC Sharma
Source: Conf Proc: ICSP-6, (p.207-212)
Publication year 1996
Document number: 1996067
Number of pages: 6
Abstract:
In the present investigation glass beads and zirconium oxide shots were used as media to shot peen aluminium alloy specimens. Fatigue and boiling heat transfer behaviour of
this alloy after shot peening was studied. Out of 0.2N and 0.4N peening intensities, 0.4N gave higher improvement on fatigue strength and boiling heat transfer. Fatigue
behaviour of butt welded aluminium joints were also studied. Shot peening with zirconium oxide shots at 0.4N intensity was found to be more advantageous than glass beads.
Welding reduces 19.4% fatigue stength compared to virgin samples, but shot peening could improve fatigue strength by 12% compared to welded samples. Effect of corrosive (3N
Nacl) environment on fatigue strength ws also studied.
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