Effect on Fatigue Performance of Residual Stress induced via Laser Shock Peening in Mechanically Damaged 2024‐T351 Aluminium Sheet [PDF]
During manufacture and maintenance the fuselage skin of aircraft are susceptible to damage in the form of scratches. Normally not considered to be of major concern to aircraft structural integrity some airlines discovered fatigue cracks had initiated ...
Smyth, Niall
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Shot peening of ceramics: Damage or benefit?
S.185-190Non-transformation toughened ceramics show the typical brittle material behavior of failure before deformation at room temperature. Thus, strengthening of ceramics due to deformation induced compressive residual stresses has been thought to be ...
Frey, T., Pfeiffer, W.
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The effect of residual stresses arising from laser shock peening on fatigue crack growth [PDF]
Residual stresses have in the past been introduced to manipulate growth rates and shapes of cracks under cyclic loads. Previously, the effectiveness of shot peening in retarding the rate of fatigue crack growth was experimentally studied.
Brennan FP +7 more
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Shot Peening and Corrosion Resistance of Magnesium - Lithium Alloy with Cold Spray Aluminum Protective Coating [PDF]
In order to improve the corrosion protection performance of cold sprayed pure aluminum coating on the surface of magnesium - lithium alloy, a thin pure aluminum coating was first prepared on the surface of Mg - Li alloy LA43M by cold spraying technology,
LU Fei - fei, KANG Si - yuan, LI Chang - jiu, LI Cheng - xin
doaj +1 more source
Modelling of multiple impacts for the prediction of distortions and residual stresses induced by ultrasonic shot peening (USP) [PDF]
During a manufacturing process, the ultrasonic shot peening (USP) technique can be used as the final surface treatment. The aim of this operation is to introduce surface compressive residual stresses in order to prevent crack propagation advancement ...
Taheri, Sahid +10 more
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Behaviour of shot peening combined with WC-Co HVOF coating under complex fretting wear and fretting fatigue loading conditions [PDF]
This study investigated the fretting and fretting fatigue performance of tungsten carbide–cobalt (WC–Co) HVOF spray coating systems. Fretting wear and fretting fatigue tests of specimens with shot peening and WC–Co coatings on 30NiCrMo substrates were ...
Kubiak, K +8 more
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Electrical Laser Alarm System for Controlling the Buckling Failure of 304 Stainless Steel under Shot Peening Treatment [PDF]
The purpose of this paper is to design and manufacture the electrical laser alarm system to assess the buckling failure of 304 stainless steel column and to estimate the critical buckling load (Pcr) under increasing compressive load without shot peening (
A. Hussain +3 more
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The optimisation of shot peen forming processes [PDF]
An optimisation method based on an effective process model is presented. The calibrated and verified process model simulates peening on realistic components and provides a non-linear relationship between peening parameters and deflections.
Wu, J, Wang, T, Platts, MJ
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Stress relaxation resistance for improved fatigue performance of shot peened tool components
Shot peening is an extensively used process in the production of mechanical components to improve their fatigue strength at ambient temperature. At higher working temperatures of some mechanical components, e.g.
Medvedeva, Anna, +3 more
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In this study, H13 tool steel and Cr-Mo-V steel were treated by two different types of surface treatments, i.e. double shot peening with nitriding and single shot peening.
Myrna Ariati +2 more
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