The present work focuses on the modelling of fatigue behaviour a 316L produced by laser powder bed fusion containing various defect populations : Lacks fusion, corrosion pits and one electric discharge machined hemispherical defect. As shown in previous experimental studies, crack leading up to failure systematically initiated single surface nature morphology critical did not show any influence...

Aalto University, P.O. Box 11000, FI-00076 Aalto www.aalto.fi Author Pekka Tukiainen Name of the doctoral dissertation Mode I fracture behaviour of Norway spruce and silver birch in the radial-tangential and tangential-radial crack orientations: Publisher School of Chemical Technology Unit Department of Forest Products Technology Series Aalto University publication series DOCTORAL DISSERTATIONS...

Temperature dependent fracture properties of NiTi-based Shape Memory Alloys (SMAs), within the pseudoelastic regime, were analyzed. In particular, the effective Stress Intensity Factor (SIF) was estimated, at different values of the testing temperature, by a fitting of the William's expansion series, based on Digital Image Correlation (DIC) measurements. It was found that temperature plays an i...

Under uniaxial loading, the heterogeneity of rock mass, change mechanical properties joints, and progressive fracture process mass significantly affect size effect anisotropy columnar jointed basalts (CJBs). To reveal features failure mechanisms CJBs influenced by anisotropy, digital image correlation (DIC), meso-damage mechanics, statistical strength theory, continuum mechanics were combined (...

The key point in this paper is the introduction of elastic analytic functions. An elastic analytic function is a function of the form u : C ! C 2 which is diierentiable and satisses equations which are analogous to the Cauchy-Riemann equations of traditional complex analysis such that the following conditions hold: rst the real and imaginary part of the rst complex component of u satisfy the Na...

This paper reports the application of consecutive-interpolation procedure into four-node quadrilateral elements for analysis two-dimensional cracked solids made functionally graded composite plate. Compared to standard finite element method, recent developed has been shown possess many desirable features, such as higher accuracy and smooth nodal gradients it still satisfies Kronecker-delta prop...