Results 231 to 240 of about 20,306,957 (289)

Effects of acute caffeine supplementation on physical, physiological, and sport-specific performance in female volleyball players: a systematic review and three-level meta-analysis. [PDF]

Front Nutr
Zhang Z, Wang Y, Lu Z, Meng F, Du W, Chen A, Wu B, Zhang Z, Sun Y, Lai J, Liu Q, Li B, Hu S, Wang Y.   +13 more
europepmc   +1 more source

Effects of Grain Boundary Misorientation on the High-Cycle Fatigue Behavior of Nickel-Based Superalloy Bicrystals. [PDF]

Materials (Basel)
Wu Q, Zou C, Ma X, Pang J, Liu Z, Luo K, Zhang Z.   +6 more
europepmc   +1 more source

Effects of Acute Caffeine Supplementation on Physical, Sport-Specific, Physiological, Perceptual, and Cognitive Outcomes in Female Team-Sport Athletes: A Three-Level Meta-Analysis. [PDF]

Nutrients
Li H, Chen M, Zhuang M, Deng H, Wang H, Li H.   +5 more
europepmc   +1 more source

Development and initial content validation of the Vienna Post-Exertional Malaise Questionnaire: an iterative mixed-methods study

Pimminger T, Ahrens-Schwabe A, Fragner T, Brandl T, Kotzian S, Wüst RC, Waldhör T, Kapan A.   +7 more
europepmc   +1 more source

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Very high cycle fatigue measuring techniques

International Journal of Fatigue, 2014
Abstract Ever since high-strength steels were found to fail below the traditional fatigue limit when loaded with more than 108 cycles, the investigation of metals’ and alloys’ very high cycle fatigue properties has received increased attention. A lot of research was invested in developing methods and machinery to reduce testing times.
Stefanie Stanzl-Tschegg
exaly   +2 more sources

Very High Cycle Fatigue of D16T Aluminum Alloy

Physical Mesomechanics, 2021
The paper provides a fractographic analysis of fatigue cracking in D16T aluminum alloy under very high cycle fatigue at a frequency of 20 kHz. The analysis shows that in the range of 2.8 × 108 to 5.1 × 109 cycles to failure, the material reveals cracks on and beneath its surface with their subsurface site developing ...
Shanyavskiy, A., Nikitin, Alexander, Palin-Luc, Thierry   +2 more
openaire   +3 more sources

Effects of specimen size on fatigue life of metallic materials in high-cycle and very-high-cycle fatigue regimes [PDF]

Fatigue and Fracture of Engineering Materials and Structures, 2016
This paper proposes a new method to investigate the effect of specimen size on fatigue life of metallic materials in high-cycle fatigue and very-high-cycle fatigue regimes in the light of statistical analysis.
Zhang XL(张晓乐), Liu XL(刘小龙), Sun CQ(孙成奇), Hong, Y, Hong YS(洪友士)   +4 more
exaly   +2 more sources