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Hand specimens Disseminated, matrix and breccia assemblages Disseminated sulfide sample consist mainly of a troctolite with uniform texture and containing minor fine (0.2 mm) patches of sulfide. About 95 % of the rock consists of troctolite and 5 % consist...
Impact damage Impact damage is categorized into low-velocity impact damage (LVID) and high-velocity impact damage (HVID). The low-velocity impact is caused by quasi-static force, the higher limit of impactor velocity ranging from one to a few tens of ms−1 depending...
Les composites sandwichs Un panneau sandwich est l'assemblage des deux peaux liées à un noyau (âme) par un adhésif (Figure 2.5). Ils sont largement utilisés comme moyen de construire des structures légères à haute performance [61 , 62J. La rigidité...
Télécharger le fichier original (Mémoire de fin d'études) Context Polypropylene-based materials are widespread in the automotive industry due to their low cost, chemical resistance, good mechanical properties or even recyclability. Thermo-Plastic Olefins (TPO), which refer to blend of polypropylene with...
Etude des propriétés élastiques de la croûte Measuring the scattering mean free path of Rayleigh waves on a volcano from spatial phase decoherence In heterogeneous media, after a sufficient amount of time of propagation, waves enter the multiple scattering regime....
FULL-PLANE IMPEDANCE HELMHOLTZ PROBLEM In this appendix we study the perturbed full-plane or free-plane impedance Helmholtz problem, also known as the exterior impedance Helmholtz problem in 2D, using integral equation techniques and the boundary element method. We consider the problem...
FULL-PLANE IMPEDANCE LAPLACE PROBLEM In this appendix we study the perturbed full-plane or free-plane impedance Laplace problem, also known as the exterior impedance Laplace problem in 2D, using integral equation techniques and the boundary element method. We consider the problem...
FULL-SPACE IMPEDANCE LAPLACE PROBLEM In this appendix we study the perturbed full-space or free-space impedance Laplace problem, also known as the exterior impedance Laplace problem in 3D, using integral equation techniques and the boundary element method. We consider the problem...
Résumé Une nouvelle méthode de synthèse de nanozéolithe en milieu organique utilisant le formamide et le toluène comme milieu de cristallisation a été développé. Ces deux solvants ont été utilisé à la place de l‟eau, en présence d‟agent de silylation....
Understanding the phenomena that happen during fast tempering of AISI 4340 steel is the main concern of this study. Induction hardening, as a most favourable surface hardening process of steel, is frequently used for cylindrical and gear components (Rudnev 2005)....