Issue 47

Z. Hu et alii, Frattura ed Integrità Strutturale, 47 (2019) 383-393; DOI: 10.3221/IGF-ESIS.47.28 392 notched components damaged by VA uniaxial fatigue loading. It has also been observed that the critical value of damage sum has obvious effects on the accuracy of estimated fatigue life. A CKNOWLEDGEMENTS he authors would like to acknowledge the support by the Innovation Program (237099000000170004) and the State Key Laboratory Program (614221305020617) and also by the China Scholarship Council (Grant No. 201705290009). R EFERENCES [1] Palmgren A. (1924). Durability of ball bearings, ZVDI, 68(14), pp. 339-341. [2] Miner M. (1945). Cumulative Damage in Fatigue, J. Appl. Mech., 12, pp. A159-A164. [3] Susmel L., Taylor D. (2011). The Theory of Critical Distances to estimate lifetime of notched components subjected to variable amplitude uniaxial fatigue loading, Int. J. Fatigue., 33(7), pp. 900-911. [4] Susmel L, Taylor D. (2012). A critical distance/plane method to estimate finite life of notched components under variable amplitude uniaxial/multiaxial fatigue loading, Int. J. Fatigue., 38, pp. 7-24. [5] Neuber H. (1958). Theory of notch stresses: principles for exact calculation of strength with reference to structural form and material, 2nd ed.. Berlin: Springer Verlag. [6] Molski K., Glinka G. (1981). A method of elastic-plastic stress and strain calculation at a notch root, Mater. Sci. Eng., 50(1), pp. 93-100. [7] Ellyin F., Kujawski D. (1989). Generalization of notch analysis and its extension to cyclic loading, Eng. Fract. Mech., 32(5), pp. 819-826. [8] Lazzarin P., Zambardi R. (2001). A finite-volume-energy based approach to predict the static and fatigue behavior of components with sharp V-shaped notches, Int. J. Fracture., 112(3), pp. 275-298. [9] Taylor D. (1999). Geometrical effects in fatigue: a unifying theoretical model, Int. J. Fatigue., 21(5), pp. 413-420. [10] Lazzarin P., Berto F. (2005). Some Expressions for the Strain Energy in a Finite Volume Surrounding the Root of Blunt V-notches, Int. J. Fracture., 135(1-4), pp. 161-185. [11] Lazzarin P., Berto F. (2008). Control volumes and strain energy density under small and large scale yielding due to tension and torsion loading, Fatigue. Fract. Eng. M., 31(1), pp. 95-107. [12] Berto F., Lazzarin P. (2013). Fatigue strength of Al7075 notched plates based on the local SED averaged over a control volume, Sci. China. Phys. Mech., 57(1), pp. 30-38. [13] Berto F., Gallo P., Lazzarin P. (2014). High temperature fatigue tests of un-notched and notched specimens made of 40CrMoV13.9 steel, Mater. Design., 63, pp. 609-619. [14] Negru R., Ș erban D., Mar ș avina L., Magda A. (2016). Lifetime prediction in medium-cycle fatigue regime of notched specimens, Theor. Appl. Fract. Mec, 84, pp. 140-148. [15] Berto F., Lazzarin P., Yates J.R. (2011). Multiaxial fatigue of V-notched steel specimens: a non-conventional application of the local energy method, Fatigue. Fract. Eng. M., 34(11), pp. 921-943. [16] Berto F., Lazzarin P. (2011). Fatigue strength of structural components under multi-axial loading in terms of local energy density averaged on a control volume, Int. J. Fatigue., 33(8), pp. 1055-1065. [17] Berto F., Campagnolo A., Lazzarin P. (2015). Fatigue strength of severely notched specimens made of Ti–6Al–4V under multiaxial loading, Fatigue. Fract. Eng. M., 38(5), pp. 503-517. [18] Berto F., Gagani A., Aversa R., Petrescu R.V.V., Apicella A., Petrescu F.I.T. (2016). Multiaxial fatigue strength to notched specimens made of 40CrMoV13. 9, Am. J. Eng. Appl. Sci., 9(4), pp. 1269-1291. [19] Berto F., Lazzarin P., Yates J. (2011). Multiaxial fatigue of V ‐ notched steel specimens: a non ‐ conventional application of the local energy method, Fatigue. Fract. Eng. M., 34(11), pp. 921-943. [20] Matsuishi M., Endo T. (1968). Fatigue of metals subjected to varying stress, Japan Society of Mechanical Engineers, Fukuoka, Japan, 68(2), pp. 37-40. [21] Gurney T.R. (2006). Cumulative damage of welded joints, Woodhead Publishing. [22] Lazzarin P., Campagnolo A., Berto F. (2014). A comparison among some recent energy- and stress-based criteria for the fracture assessment of sharp V-notched components under Mode I loading, Theor. Appl. Fract. Mec, 71, pp. 21- 30. T