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Title: Effect Of Shot Peening And Polymer Coating On Corrosion Fatigue Behaviour Of Carbon Steels
Author: Sharma, M.C. and Rao, R.N.V.D.M.
Source: Conf Proc: ICSP-4, (p.551-560)
Publication year 1990
Document number: 1990025
Number of pages: 10
Abstract:
Spring and structural steels were investigated for corrosion fatigue under artificial sea-water. They did not show appreciable improvement under shot peened condition
alone. While peened and polymer coated samples showed greater fatigue strength improvement than unpeened coated samples. But for low carbon steel when peening was carried
out after carburising, hardening and tempering, it showed 30% improvement in corrosion fatigue strength with respect to that of carburised hardened and tempered specimens.
This shows that shot peening over harder surface has greater advantage. 50% improvement was observed when specimens were shot peened and coated than unpeened coated ones,
under corrosion fatigue for both the steels.
Descriptors: Controlled peening; Carburising; Polymer coat; Peening intensity; Coverage; Saturation curve; Corrosion fatigue
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