36 datasets found

Concrete is a construction materials are prevalent in the world. However, in many industries, it is becoming more common to study the safety margins of a structure...

Stress corrosion cracking (SCC) is a damage phenomenon which results from the synergy between corrosion process (dissolution, adsorption) and mechanical fracture...

Cette thése traite de la mise en evidence des possibilites et des limites de cette methode ( Transmission/amortissement d'ondes ultrasonores) par comparaison avec la...

It is commonly accepted that there is a size effect on the nominal resistances of quasi-brittle materials such as cementitious materials. This effect must be taken...

Characterization of spot weld strength is a key industrial issue, particularly in the case of Advanced High Strength Steels. Today, the most widely used mechanical...

Due to their specific mechanical properties composite materials have become an interesting alternative to metallic materials. Moreover, the use of well chosen lay-up...

Co-encadrement de la thèse : Laurent Jeanfaivre

High manganese TWIP (TWinning Induced Plasticity) steels are particularly attractive for automotive applications because of their exceptional properties of strength...

X-Ray Diffraction Contrast Tomography (DCT) is a recently developed, non-destructive synchrotron imaging technique which characterizes microstructure and grain...

The loss of the corrosion resistance of the alloy 600, a nickel base alloy, during the oxidation in pressurized water reactor (PWR) has been demonstrated by many...

For the durability analysis of reinforced concrete structures, the modelling of strain localization and the estimation of cracking properties are hot topics. This work...

This thesis falls under an approach of investigation on the damage mechanisms of high zirconia fused-cast refractories. The focus is particularly set on the...

Reinforced concrete structures may have to fulfill functions that go beyond their simple mechanical resistance. During the cracking process, stresses are progressively...

This study is motivated by the lack of measurements of effective transverse isotropy (TI) at the seismic scale. Then, the purpose is to determine the TI parameters at...

Les résultats de l'analyse de la fissuration provoquée sur échantillons de roche présentent des analogies avec l'activité sismique de l'écorce terrestre....

For several years, the MATIERE company has developed a new type of reinforcement based on the use of ribbed flat steel in substitution of high-adhesion round steel...

This thesis is devoted to the dynamic fracture of functionally graded materials. More particularly, it deals with the toughness of nuclear cladding at high burnup...

Ce travail, commencé dans un laboratoire de Mécanique des sols et poursuivi à l ' Institut de Géologie de Grenoble, porte sur l 'étude de la naissance des surfaces de...

The quality of adherence between a coating mortar and its substrate, such as building front wall, depends on environmental conditions. Especially, the restraint of the...

This thesis deals with fatigue crack growth in non-proportional variable amplitude mixed mode I + II + III loading conditions and analyses the effects of internal...