notch effect on fatigue strength reduction of bearing

notch effect on fatigue strength reduction of bearing

notch effect on fatigue strength reduction of bearing

Notch effect on fatigue strength reduction of bearing steel ... Request PDF | Notch effect on fatigue strength reduction of bearing steel in the very high cycle regime | Ultrasonic fatigue tests were conducted with smooth and notched specimens of a bearing ...

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The Fatigue Strength of Notched Specimens | SpringerLink

Fatigue Life Fatigue Strength Fatigue Limit Stress Concentration Factor Notch Root These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves. Related searches notch effect on fatigue strength reduction of bearing

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RESIDUAL STRESSES AND THEIR EFFECTS ON FATIGUE RESISTANCE Effect of residual stresses produced by prestretching (tensile overload) on fatigue strength and fatigue notch factor of specimens of 4340 steel with two different notches and at two hardness levels. The residual stresses eliminated the notch effect almost completely. Note that with the residual stresses induced by stretching, the worst

Nobuyuki Miyamoto's research works | Denso Corporation notch effect on fatigue strength reduction of bearing

Nobuyuki Miyamoto's 5 research works with 109 citations and 94 reads, including: Notch effect on fatigue strength reduction of bearing steel in the very high cycle regime NOTCHES AND THEIR EFFECTS - eFatigue - eFatigue: Fatigue notch effect on fatigue strength reduction of bearing (Notch Sensitivity and Fatigue Notch Factor, K f) The effect of the notch in the stress-life approach is taken into account by modifying the unnotched S-Ncurve through the use of the fatigue notch factor, K f. Notched fatigue strength not only depends on the stress concentration factor, but also on other factors such as the notch Influence of microstructure and surface defect on very high notch effect on fatigue strength reduction of bearing Y. Akiniwa, N. Miyamoto, H. Tsuru, K. TanakaNotch effect on fatigue strength reduction of bearing steel in the very high cycle regime Int J Fatigue, 28 (2006), pp. 1555-1565 Google Scholar

Hirotaka Tsuru's research works | Nagoya University, Nagoya notch effect on fatigue strength reduction of bearing

506 Notch effect of bearing steel SUJ2 in very high cycle regime. Article. Mar 2006; notch effect on fatigue strength reduction of bearing Notch effect on fatigue strength reduction of bearing steel in the very high cycle regime. Evaluation of gigacycle fatigue limit and life of high notch effect on fatigue strength reduction of bearing Akiniwa, Y, Miyamoto, N, Tsuru, H (2006) Notch effect on fatigue strength reduction of bearing steel in the very high cycle regime. International Journal of Fatigue 28: 1555 1565. Google Scholar | Crossref | ISI Enhanced Fatigue Strength of Commercially Pure Ti Processed notch effect on fatigue strength reduction of bearing Fully reversed bending fatigue tests were performed on polished hour-glass specimens of commercially pure titanium grade 1 with three different grain sizes, that were produced by severe plastic deformation (rotary swaging) and subheat treatments, in order to examine the effect of grain size on fatigue. An improvement in fatigue strength was observed, as the polycrystal grain size was refined notch effect on fatigue strength reduction of bearing

Encl. 5-EPRI Presentation - Fatigue Limit of Stainless Steel notch effect on fatigue strength reduction of bearing

Room temperature fatigue strength is approximately 22 kg/mm2 or 31.2 ksi. There is some reduction in the fatigue strength at higher temperatures. The general thumb rule is that the fatigue strength is 0.4-0.5 times the ultimate strength of the material Based on the Kanazawa data, an average value of 0.45 can be used to DeepDyve - Unlimited Access to Peer-Reviewed Journals DeepDyve is the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Chapter 8 the fatigue strength is taken as equal to the ultimate strength in tension of the material. As the loading cycles increase the maximum stress level at which failure occurs decreases. Over the region of 1 to 103 or 1000 cycles, referred to as low cycle fatigue, the reduction in the strength figure is very little. For N in the range

Bending Fatigue of Carburized Steel at Very Long Lives notch effect on fatigue strength reduction of bearing

Y. Akiniwa, N. Miyamoto, H. Tsuru, and K. Tanaka, Notch Effect on Fatigue Strength Reduction of Bearing Steel in the Very High Cycle Regime, Int. J. Fatigue, 2006, 28, p 1555-1565 Article Google Scholar Accepted manuscript Notch Effect on Strength and Fatigue Life notch effect on fatigue strength reduction of bearing Notch Effect on Strength and Fatigue Life of Woven Composite Laminates Ao-Shuang Wan 1 , Yi-geng Xu 2 , Jun-Jiang Xiong 1 * 1 School of Transportation Science and Engineering, Beihang University, Beijing, 100191, Peoples Republic of Strength, Fatigue and Fracture Ultimate Strength . Alternating Stress Fatigue Limit . J.O. Smith, The Effect of Range of Stress on the Fatigue Strength of Metals, Engineering Experiment Station Bulletin 334, University of Illinois, 1941

On Fatigue Strength Reduction Factor: State of the Art | ASME notch effect on fatigue strength reduction of bearing

The probabilistic method provides a very strong physical basis for fatigue strength reduction and associated notch sensitivity; thus it can be used to determine the effect of notches on reduction of fatigue resistance in a way that directly incorporates microstructure. Notch size effect on inphase multiaxial fatigue life notch effect on fatigue strength reduction of bearing Recently, the notch effect on low cycle multiaxial fatigue assessment has been performed by researchers by bridging the stress gradient with local damage parameters according to critical plane method. 9 The multiaxiality effect on notch fatigue life is extended from Susmel and Taylor TCD theory by Liu et al. 10 Similarly, SED theory has been notch effect on fatigue strength reduction of bearing Notch size effect on in phase multiaxial fatigue life notch effect on fatigue strength reduction of bearing ( = 0 .1mm), the high cycle fatigue strength is not accurate by characterizing the theoretical stress concentration factor K t due to the existing of notch stress gradient. Hence, it is not realistic to estimate the fatigue strength reduction factor K t on the basis of K t and the notch sensitivity index.

Notch Effects in Fatigue | SpringerLink

This effective stress range is an average value of the weighted stress distribution inside the fatigue process volume. This effective stress range is sensitive to hydrostatic pressure and consequently to loading mode. Notch effects still exist in low cycle fatigue and can be described using the fatigue strain energy density factor. Notch effect on fatigue strength reduction of bearing steel notch effect on fatigue strength reduction of bearing Request PDF | Notch effect on fatigue strength reduction of bearing steel in the very high cycle regime | Ultrasonic fatigue tests were conducted with smooth and notched specimens of a bearing notch effect on fatigue strength reduction of bearing Fatigue crack propagation behaviour derived from SN data in notch effect on fatigue strength reduction of bearing The crack propagation law was derived from the S-N data in the very high cycle fatigue of a bearing steel. The propagation rate, da/dN (m/cycle), of surface cracks was estimated to be a power function of the stress intensity range, K (MPam) with the coefficient C s = 5.87 x 10- 13 and the exponent m s = 4.78. The threshold stress intensity range was 2.6MPam. The crack propagation from notch effect on fatigue strength reduction of bearing

Fatigue Properties of the Ultra-High Strength Steel TM210A

The ratio of the fatigue limit to tensile strength was 0.29. The fatigue limit of the notched specimen was reduced by about 41% compared to the smooth specimen, which indicated that the notch had a great impact on the fatigue properties of materials. Fatigue Performance - an overview | ScienceDirect Topics E-glass fiber composites have a more gradual fatigue strength reduction of 812% per decade of life (Demers 1998; Mandell 1982; McBagonluri et al. 2000), although slow strength reduction of 35% per decade of life has been observed (Keller et al. 2005). Most available data support the fiber-dominated fatigue damage mechanism in GFRP composites. Fatigue Strength Prediction of Drilling Materials Based on notch effect on fatigue strength reduction of bearing Y. Akiniwa, Y.N. Miyamoto, H. Tsuru et al., Notch Effect on Fatigue Strength Reduction of Bearing Steel in the Very High Cycle Regime, Int. J. Fatigue, 2006, 28, p 15551565 Article Google Scholar

FATIGUE STRENGTH OF SINTERED IRON AND STEEL

that all mechanical properties drop by more than just the percentage of reduction of load bearing cross-section caused by the pores. As a rule of thumb in the density range of technical interest, the fatigue strength is reduced by about 5 % by each percent of porosity. Fig.1. Effect of porosity on properties of porous parts. Effect of fretting damage on characteristics of high strength notch effect on fatigue strength reduction of bearing The fretting fatigue behaviour of SAE 52100 bearing steel has been investigated up to very high fatigue cycles. The fretting fatigue strength was found to be markedly lower than the plain fatigue strength of the alloy. The fatigue strength reduction is higher in very high cycle fatigue regime which varies with fretting contact load. Effect of Stress Concentration on Fatigue Life Effect of Stress Concentration on Fatigue Life (continued) So what effect does a stress riser have on fatigue life? Since the stress is much higher in these areas than in the rest of the part, fatigue failures will usually initiate in these regions. This is part of what makes fatigue life estimation difficult.

Effect of notch geometry on the fatigue strength and critical notch effect on fatigue strength reduction of bearing

Y. Akiniwa et al., Notch effect on fatigue strength reduction of bearing steel in the very high cycle regime, International Journal of Fatigue, 28 (11) (2006) 15551565. Article MATH Google Scholar Effect of bearing pressure on fatigue strength of riveted notch effect on fatigue strength reduction of bearing abstract the effect of bearing pressure on the fatigue strength of riveted joints has been studied through tests of double lap joints having four 7/8-inch diameter rivets arranged in a square pattern. the 120 specimens were tested under zero-to-tension, full-reversal, and half tension-to-full tension loadings. (PDF) ANALYTICAL-EXPERIMENTAL METHOD OF DETERMINING FATIGUE notch effect on fatigue strength reduction of bearing Notch effect on fatigue strength reduction of bearing steel in the very high cycle regime notch effect on fatigue strength reduction of bearing Ultrasonic fatigue tests were conducted with smooth and notched specimens of a bearing steel of two notch effect on fatigue strength reduction of bearing

(PDF) Fatigue strength of spring steel under axial and notch effect on fatigue strength reduction of bearing

[27] Akiniwa Y, Miyamoto N, Tsuru H, Tanaka K. Notch effect on fatigue strength. reduction of bearing steel in the very high cycle regime. Int J Fatigue. 2006;28:155565.

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