Search Results - "Dalmas, D."

Finite deformations govern the anisotropic shear-induced area reduction of soft elastic contacts by Lengiewicz, J., de Souza, M., Lahmar, M.A., Courbon, C., Dalmas, D., Stupkiewicz, S., Scheibert, J.

“…•Modelling of and experiment on the evolution of contact area between soft solids under shear.•Computational finite-deformation model combining non-adhesive…”
Get full text

Publisher Correction: High-temporal-resolution quasideterministic dynamics of granular stick-slip by Nguyen, T. T. T., Doanh, T., Le Bot, A., Dalmas, D.

Get full text

Analysis of the multi-cracking mechanism of brittle thin films on elastic-plastic substrates by Ben Cheikh, I., Parry, G., Dalmas, D., Estevez, R., Marthelot, J.

“…Thin brittle films on compliant substrates are used in many applications, as soft electronics and solar cells. When submitted to large tensile strains, those…”
Get full text

An acoustic signature of extreme failure on model granular materials by Nguyên, T. T. T., Doanh, T., Bot, A. Le, Dalmas, D.

“…Unexpectedly, granular materials can fail, the structure even destroyed, spontaneously in simple isotropic compression with stick-slip-like frictional…”
Get full text

High-temporal-resolution quasideterministic dynamics of granular stick-slip by Nguyen, T. T. T., Doanh, T., Le Bot, A., Dalmas, D.

“…We report high-temporal-resolution observations of the spontaneous instability of model granular materials under isotropic and triaxial compression in fully…”
Get full text

Fluctuations of global energy release and crackling in nominally brittle heterogeneous fracture by Barés, J, Hattali, M L, Dalmas, D, Bonamy, D

“…The temporal evolution of mechanical energy and spatially averaged crack speed are both monitored in slowly fracturing artificial rocks. Both signals display…”
Get full text

Brittle-quasibrittle transition in dynamic fracture: an energetic signature by Scheibert, J, Guerra, C, Célarié, F, Dalmas, D, Bonamy, D

“…Dynamic fracture experiments were performed in polymethylmethacrylate over a wide range of velocities and reveal that the fracture energy exhibits an abrupt…”
Get full text

Crack front pinning by design in planar heterogeneous interfaces by Dalmas, D., Barthel, E., Vandembroucq, D.

“…The propagation of an interfacial crack front along the weak plane of a thin film stack is considered. A simple patterning technique is used to create a…”
Get full text

On the role of pore pressure in dynamic instabilities of saturated model granular materials by Nguyên, T. T. T., Doanh, T., Le Bot, A., Dalmas, D.

“…Drained triaxial axisymmetric isotropic and subsequently shear compression tests are performed on fully water-saturated short cylindrical samples of nearly…”
Get full text

Finite size effects on crack front pinning at heterogeneous planar interfaces: Experimental, finite elements and perturbation approaches by Patinet, S., Alzate, L., Barthel, E., Dalmas, D., Vandembroucq, D., Lazarus, V.

“…Understanding the role played by the microstructure of materials on their macroscopic failure properties is an important challenge in solid mechanics. Indeed,…”
Get full text

Mechanical stability under sliding contact of thin silver film embedded in brittle multilayer by Geng, X., Zhang, Z., Barthel, E., Dalmas, D.

“…► Mechanical stability of a thin silver layer embedded in an brittle multilayer. ► Analyse of damage sequence under sliding contact. ► Initiation of damage…”
Get full text

Mechanical behavior of stiff coating on glass under sliding contact by Geng, X., Zhang, Z., Barthel, E., Dalmas, D.

“…In this paper, we investigate the failure mechanism under scratch testing of glass samples coated with an Si 3N 4 monolayer deposited by magnetron sputtering…”
Get full text

Nano-ductile crack propagation in glasses under stress corrosion: spatiotemporal evolution of damage in the vicinity of the crack tip by Prades, S., Bonamy, D., Dalmas, D., Bouchaud, E., Guillot, C.

“…Recent experiments have evidenced the existence of a ductile fracture mode at the nanometer scale in Aluminosilicate glass. The present study is designed to…”
Get full text

A Test Stand for Investigating Multipulse Insulator Surface Flashover by Kallas, N. D., Andrews, H. L., Dale, G. E., Dalmas, D. A., Flores, P. A.

“…Insulator surface flashover in vacuum due to pulsed and DC voltages has been thoroughly investigated, however the characteristics of surface flashover under…”
Get full text

Quantitative AFM analysis of phase separated borosilicate glass surfaces by Dalmas, D., Lelarge, A., Vandembroucq, D.

“…Phase separated borosilicate glass samples were prepared by applying various heat treatments. Using selective chemical etching we performed AFM measurement on…”
Get full text

Nanoscale damage during fracture in silica glass by BONAMY, D, PRADES, S, ROUNTREE, C. L, PONSON, L, DALMAS, D, BOUCHAUD, E, RAVI-CHANDAR, K, GUILLOT, C

“…We report here atomic force microscopy experiments designed to uncover the nature of failure mechanisms occuring within the process zone at the tip of a crack…”
Get full text

Glass strengthening by polymeric coatings: combined effect of mechanical properties and confinement by Teisseire, Jérémie, Dalmas, Davy, Lohou, Stéphane, Silva, Claude Da, Barthel, Etienne

“…We consider the impact of the mechanical behaviour of polymeric coatings on glass strengthening. We have performed rupture stress measurements and compared the…”
Get full text

Adhesion in soft contacts is minimum beyond a critical shear displacement by Oliver, C., Dalmas, D., Scheibert, J.

“…The most direct measurement of adhesion is the pull-off force, i.e. the tensile force necessary to separate two solids in contact. For a given interface, it…”
Get full text

Film formation mechanism in glass lubrication by polymer latex dispersions by Beauvais, M., Piezel, B., Hamidi, F., Villalobos, M., Da Silva, C., Martin, E., Dalmas, D., Barthel, E.

“…The stabilization of organic coatings by tin dioxide resulting in glass bottle lubrication was investigated on flat glass. The anchoring function of SnO 2 was…”
Get full text

Surface mechanics of functional thin films on glass surfaces by Barthel, E., Perriot, A., Dalmas, D., Sondergard, E., Nael, P.

“…High end glass products are imparted new functionalities through coatings. We show that scratch resistance is one of the main mechanical requirements placed…”
Get full text