Exudation of Material from Slip Bands at the Surface of Fatigued Crystals of an Aluminium–Copper Alloy
@article{Forsyth1953ExudationOM, title={Exudation of Material from Slip Bands at the Surface of Fatigued Crystals of an Aluminium–Copper Alloy}, author={P. J. E. Forsyth}, journal={Nature}, year={1953}, volume={171}, pages={172-173} }
No satisfactory explanation of the fatigue mechanism of metals has yet been advanced. The generally accepted idea involving work-hardening and subsequent ‘brittle’ fracture cannot be substantiated by observation as being the only cause of fatigue failure. Observations I have made on pure aluminium and aluminium–½ per cent silver specimens have shown that the mechanisms of failure at high and low stresses are fundamentally different1.
95 Citations
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Abstract Based on recent experimental observations a realistic model of the evolution of the surface profile of persistent slip bands (PSBs) in fatigued metals is proposed. An essential feature of…