Results 21 to 30 of about 236,299 (266)

Dynamic frequency-dependent fatigue damage in metals: A state-of-the-art review

Forces in Mechanics, 2023
Ultrasonic high-frequency fatigue testing differs from conventional low-frequency fatigue testing in strain rate and cyclic loading. Ultrasonic fatigue has a resonance frequency of 20,000 Hz and a load frequency below 100 Hz. A large change in cycles per
Kamin Tahmasbi, Fahad Alharthi, Garrett Webster, Meysam Haghshenas   +3 more
doaj   +1 more source

Evaluation of residual stress relaxation and its effect on fatigue strength of AISI 316L stainless steel ground surfaces: Experimental and numerical approaches [PDF]

, 2013
This paper is aimed at evaluating the residual stress relaxation and its effect on the fatigue strength of AISI 316L steel ground surfaces in comparison to electro-polished surfaces.
SIDHOM, Habib, LAAMOURI, Adnen, BRAHAM, Chedly   +2 more
core   +1 more source

Yield Criterion Accounting for the Influence of the Third Invariant of Stress Tensor Deviator. Part II. Analysis of Convexity Condition of the Yield Surface

Engineering Transactions, 2014
General form of yield condition for isotropic and homogeneous bodies is considered in the paper. In the space of principal stresses, the limit condition is graphically represented by a proper regular surface which is assumed here to be at least of C2 ...
P. SZEPTYŃSKI
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Study on fatigue strength in terms of stresses measured by strain gauges attached with its ends to be at weld toes

Nihon Kikai Gakkai ronbunshu, 2023
To evaluate stresses including stress concentration at weld toes for fatigue evaluation of complex shape welded structures such as railway bogie frames, previous studies proposed the stress assessment procedure through measuring strains of actual ...
Koichi YOKOZEKI, Taizo MAKINO, Tomonori TOMINAGA, Takanori KATO, Satoshi KIKKO, Yoshiyuki SHIMOKAWA   +5 more
doaj   +1 more source

Effect of Corrosion on the High Cycle Fatigue Strength of Martensitic Stainless Steel X12CrNiMoV12-3 [PDF]

, 2012
This paper addresses the effects of corrosion on the high cycle fatigue (HCF) strength of a high mechanical strength martensitic stainless steel (X12CrNiMoV12-3) that is used in aeronautic applications. HCF tests (between 105 and 107 cycles) were carried
PALIN-LUC, Thierry, DEVOS, Olivier, PALIN LUC, Thierry, SAINTIER, Nicolas, EL MAY, Mohamed   +4 more
core   +1 more source

Some Remarks on Burzyński’s Failure Criterion for Anisotropic Materials

Engineering Transactions, 2014
Some misstatements appearing in the final form of the failure criterion formulation, de- rived from Burzyński’s hypothesis of material effort for anisotropic bodies, which haven’t been noticed in the literature as yet, are pointed out and discussed ...
P. SZEPTYŃSKI
doaj   +1 more source

Potential fatigue strength improvement of AA 5083-H111 notched parts by wire brush hammering: Experimental analysis and numerical simulation [PDF]

, 2014
The effects of milling as machining process and a post-machining treatment by wire-brush hammering, on the near surface layer characteristics of AA 5083-H111 were investigated.
SIDHOM, Habib, BEN MOUSSA, Naoufel, SIDHOM, Naziha, JANEB, Sameh, BRAHAM, Chedly   +4 more
core   +1 more source

Mathematical Foundations of Limit Criterion for Anisotropic Materials

Archives of Metallurgy and Materials, 2013
Artykuł przedstawia nową propozycję kryterium stanu granicznego dla anizotropowych ciał stałych wykazujących różną wytrzymałość przy rozciąganiu i ściskaniu.
Ostrovvska-Maciejewska J., Szeptyński P., Pęcherski R.B.   +2 more
doaj   +1 more source

Very high cycle fatigue of copper: Evolution, morphology and locations of surface slip markings [PDF]

, 2014
The surfaces of commercially pure polycrystalline copper specimens subjected to interrupted 20 kHz fatigue tests in the very high cycle fatigue regime were investigated.
VALES, Fréderic, RANC, Nicolas, FAVIER, Véronique, MURGHRABI, Haël, PHUNG, Ngoc-Lam   +4 more
core   +1 more source

Yield Criterion Accounting for the Third Invariant of Stress Tensor Deviator. Part I. Proposition of the Yield Criterion Based on the Concept of Influence Functions

Engineering Transactions, 2014
A proposition of an energy-based hypothesis of material effort for isotropic materials exhibiting strength-differential (SD) effect, pressure-sensitivity and Lode angle dependence is discussed. It is a special case of a general hypothesis proposed by the
M. NOWAK, J. OSTROWSKA-MACIEJEWSKA, R. B. PĘCHERSKI, P. SZEPTYŃSKI   +3 more
doaj   +1 more source