Journal ArticleDOI
Effects of surface treatments on the fatigue strength of AISI 4340 aeronautical steel
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TLDR
In this article, the effects of shot peening on the fatigue strength of chromium plated materials were analyzed in the case of AISI 4340 steel, in the rotating bending fatigue behavior, in comparison to hard chromium electroplatings.About:
This article is published in International Journal of Fatigue.The article was published on 2001-08-01. It has received 134 citations till now. The article focuses on the topics: Chrome plating & Shot peening.read more
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Hydrogen embrittlement in different materials: A review
TL;DR: In this article, the authors deal with HE definition, mechanisms which causes HE, subcritical crack growth, the concentration of hydrogen measurement and prevention activities are discussed which act as a barrier for hydrogen diffusion.
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Investigation on AISI 304 austenitic stainless steel to AISI 4140 low alloy steel dissimilar joints by gas tungsten arc, electron beam and friction welding
TL;DR: In this article, the microstructure and mechanical properties of AISI 304 stainless steel and low alloy steel joints by Gas Tungsten Arc Welding, Electron Beam Welding (EBW), and Friction Welding were investigated.
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A review of ultrasonic peening treatment
Massoud Malaki,Hongtao Ding +1 more
TL;DR: In this article, the effects of ultrasonic peening treatment on welded components are discussed in terms of fatigue performance, resistance to wear and corrosion, and micro-structural evolutions.
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Effects of inclusions on very high cycle fatigue properties of high strength steels
TL;DR: In this article, the effect of inclusion size on fatigue behavior of high strength steels in the very high cycle fatigue (VHCF) regime (>10(7) - 10(9) cycles is reviewed.
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Evaluation of defect density, microstructure, residual stress, elastic modulus, hardness and strength of laser-deposited AISI 4340 steel
TL;DR: In this article, a laser-aided direct metal deposition (DMD) was used to form a AISI 4340 steel coating on an aISI 4140 steel substrate and the defect density and microstructural property of the DMD coating were analyzed.
References
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Journal ArticleDOI
Multilayer cracking resistance in bending
TL;DR: In this article, a method for determination of cracking resistances of tribological vapour deposited coatings has been presented, and the results show that the multilayer coatings have indeed higher cracking resistance than the single layer coatings.
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Residual stresses and crystallographic texture in hard-chromium electroplated coatings
TL;DR: In this paper, the X-ray diffraction method was used to study the structural and mechanical state of etectrodeposited chromium coatings and the evolution of the stress state as a function of depth was studied.
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Effect of Machining Processes on the Fatigue Strength of Hardened AISI 4340 Steel
TL;DR: In this article, the effect of fly cutting and grinding on the fatigue strength of hardened AISI 4340 steel was investigated, and the residual stress distribution, surface structure, and surface profiles were determined.
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Mitigation of subsurface crack propagation in railroad rails by laser surface modification
R.J. DiMelfi,Paul G. Sanders,Boyd V. Hunter,Jeffrey A. Eastman,K.J Sawley,Keng H. Leong,J.M Kramer +6 more
TL;DR: In this article, laser glazing, the rapid melting and rapid solidification of a thin surface layer, was used to reduce the friction coefficient of rail steel, which contributed significantly to the nucleation and propagation of cracks in the sub-surface region at rail gage corners.
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Rolling contact fatigue behaviour of thermally sprayed rolling elements
Rehan Ahmed,Mark Hadfield +1 more
TL;DR: In this article, a modified four-ball machine is used to investigate the rolling contact fatigue (RCF) performance and failure mode of thermally sprayed rolling element bearing steel balls, and the results show that coated specimens do not perform well and the failure is through the coating itself and not at the interface.