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eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2024
ISBN: 978-0-8031-7745-1
... around inclusions under hydrogen precharged conditions and the relationship between steel cleanliness and bearing lifetime under these conditions. rolling contact fatigue (RCF) hydrogen precharging crack initiation crack propagation BEARING AND TRANSMISSION STEELS TECHNOLOGY 263 STP 1649...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2020
ISBN: 978-0-8031-7692-8
... on the results, the RCF models for internal fracture are classified into two cases. One is the case of an inclusion with an artificially introduced gap. This model allows shallow-inclined crack initiation from both sides of the inclusion, followed by horizontal crack propagation until flaking. The cracking...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2014
ISBN: 978-0-8031-7587-7
... as a more efficient alternative to constant-amplitude testing. K -control constant-amplitude fatigue crack growth crack propagation K gradient efficiency APPLICATION OF AUTOMATION TECHNOLOGY IN FATIGUE AND FRACTURE TESTING AND ANALYSIS 1 STP 1571, 2014 / available online at www.astm.org...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2010
ISBN: 978-0-8031-7510-5
... contact fatigue life crack initiation crack propagation non-metallic inclusions oxides hot isostatic pressing Reprinted from JAI, Vol. 7, No. 2 doi:10.1520/JAI102612 Available online at www.astm.org/JAI Norimasa Tsunekage,1 Kazuya Hashimoto,1 Takeshi Fujimatsu,1 and Kazuhiko Hiraoka2 Initiation...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2009
ISBN-10: 0-8031-4514-4
ISBN: 978-0-8031-4514-6
... initiation and propagation in the axial direction ( z ) and thus provide a measure of the crack propagation resistance. However, the classical fracture mechanics procedure cannot be applied directly to the thin-walled cladding geometry. Thus, attempts to measure fracture toughness have been influenced...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2009
ISBN: 978-0-8031-3416-4
... the crack propagation behavior in such a structure. The authors investigate the effect of microstructural inhomogeneity on crack propagation morphology and crack propagation rate ( da∕dN ) under a creep-fatigue condition. The macroscopic direction of the main crack is perpendicular to the loading axis...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2007
ISBN-10: 0-8031-4472-5
ISBN: 978-0-8031-4472-9
... crack propagation behavior in the residual stress field reported by Glinka was also examined from the ΔK point of view. In this paper, the effect of residual stress on the fatigue crack propagation rate is considered to be the effect of varying mean stress. The concept of ΔK eff , where the effect...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2007
ISBN-10: 0-8031-3406-1
ISBN: 978-0-8031-3406-5
... the polynomial equations developed and the actual equations in literature. The results of this study confirmed that a circumferentially cracked tube specimen could produce valid fatigue crack growth rate data. steam generator tube fatigue crack propagation crack growth rate specimen geometry...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2007
ISBN-10: 0-8031-3406-1
ISBN: 978-0-8031-3406-5
... Simulation of the crack growth for complex geometries is presented in this paper. Determination of the crack propagation direction under mixed mode conditions is one of the most important parameters in fracture mechanics. There are several criteria that have been developed to predict crack...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2004
ISBN-10: 0-8031-3478-9
ISBN: 978-0-8031-3478-2
...: fatigue, variability, crack propagation, inclusions, statistical distribution Nomenclature A Ath a CDF C AK~ff AKth KT Nb Ni R SENT ST t W Yi(X) inclusion or crack area projected in the ST plane inclusion or crack threshold area projected in the ST plane inclusion or crack half-width cumulative...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2002
ISBN-10: 0-8031-2895-9
ISBN: 978-0-8031-2895-8
... of this behavior on the mechanical properties of irradiated cladding. Specific attention is given on hoop straining with respect to PCI, RIA, or axial splitting. Zr alloys irradiation deformation strain softening dislocation channeling crack propagation Christian Regnard, ~ B~n~dicte Verhaeghe, l...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2002
ISBN-10: 0-8031-2897-5
ISBN: 978-0-8031-2897-2
.... radiation effects proton Irradiation mechanical properties fatigue response crack propagation SEM observation low-activation ferritic/martensitic alloy Y. Murase, 1Johsei Nagakawa, 1'2 and N. Yamamoto 1 In-Beam Fatigue Response of a Low Activation Ferritic Steel at 60"C Reference: Murase, Y...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2002
ISBN-10: 0-8031-2890-8
ISBN: 978-0-8031-2890-3
... determined via an inverse solution to the electrical potential field. Isothermal, in-phase and out-of-phase thermomechanical fatigue crack growth experiments were conducted with test temperatures ranging from 204°C to 538°C. thermomechanical fatigue (materials) crack propagation crack closure...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2002
ISBN-10: 0-8031-2894-0
ISBN: 978-0-8031-2894-1
.... The predictive capabilities of the model have been used to study the influence of parameters, such as the applied load, the specimen size, etc. bearing steel rolling contact inclusion crack nucleation crack propagation statistic fatigue life Grrard Lormand,1 David Piot,a'2 Alain Vincent, 1Gilles...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2617-4
ISBN: 978-0-8031-2617-6
... not occur. The thin specimens also exhibited a more significant overload effect. A new finite element modeling technique, which uses substructuring techniques to model the load cycling and crack propagation of an entire compact tension specimen, was developed. Comparison of stationary crack and propagating...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2851-7
ISBN: 978-0-8031-2851-4
... In fretting fatigue the contact edge will shift inward due to wear. The effect of this shifting on crack propagation behavior is considered here for accurate prediction of fretting fatigue life. The stress intensity factor(KI) for cracking due to fretting fatigue was calculated by using contact...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2851-7
ISBN: 978-0-8031-2851-4
... of materials fretting fatigue crack propagation friction force investigation environmental testing Wieslaw Switek1 An Investigation of Friction Force in Fretting Fatigue REFERENCE: Switek, W., "An Investigation of Friction Force in Fretting Fatigue", Fretting Fatigue: Current Technology and Practices...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2624-7
ISBN: 978-0-8031-2624-4
... that this difference was not due to a heat-to-heat or lab-to-lab variation. Additional tests were conducted on specimens with W = 25.4 mm and at other R values. Data for the various specimens is presented along with parameters usually used to describe threshold behavior. Alloy 718 crack propagation crack...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2624-7
ISBN: 978-0-8031-2624-4
... initiation crack propagation life prediction Michael J. Caton, l J. Wayne Jones, l and John E. Allison2 Use of Small Fatigue Crack Growth Analysis in Predicting the S-N Response of Cast Aluminum Alloys Reference: Caton, M. J., Jones, J. W., and Allison, J. E., "Use of Small Fatigue Crack Growth Analysis...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2874-6
ISBN: 978-0-8031-2874-3
...-tip process zone may be promoted by high H produced electrochemically on active areas of the crack surface, or by a sharp crack tip. Hydrogen embrittlement stress corrosion cracking titanium alloy fracture mechanics crack tip strain rate crack propagation Edward Richey III and Richard P...