Search Results - "Buffière, J.Y."

Characterization by X-ray computed tomography of decohesion, porosity growth and coalescence in model metal matrix composites by Babout, L., Maire, E., Buffière, J.Y., Fougères, R.

“…Damage mechanisms of model materials have been studied using in situ tensile tests coupled with high resolution X-ray tomography. This non destructive…”
Get full text

Corner fatigue cracking behavior of hybrid laser AA7020 welds by synchrotron X-ray computed microtomography by Wu, S.C., Yu, C., Yu, P.S., Buffière, J.Y., Helfen, L., Fu, Y.N.

“…To elucidate the fatigue corner cracking behaviors related with gas pores of hybrid laser arc welded 7020–T651 alloys, both high-resolution in situ synchrotron…”
Get full text

Internal fatigue crack monitoring during ultrasonic fatigue test using temperature measurements and tomography by Ranc, N., Messager, A., Junet, A., Palin-Luc, T., Buffière, J.Y., Saintier, N., Elmay, M., Mancini, L., King, A., Nadot, Y.

“…Very high cycle fatigue fracture is often associated with internal crack propagation and one major problem to study the initiation and the propagation of this…”
Get full text

New opportunities for 3D materials science of polycrystalline materials at the micrometre lengthscale by combined use of X-ray diffraction and X-ray imaging by Ludwig, W., King, A., Reischig, P., Herbig, M., Lauridsen, E.M., Schmidt, S., Proudhon, H., Forest, S., Cloetens, P., Roscoat, S. Rolland du, Buffière, J.Y., Marrow, T.J., Poulsen, H.F.

“…Non-destructive, three-dimensional (3D) characterization of the grain structure in mono-phase polycrystalline materials is an open challenge in material…”
Get full text

X-ray micro-tomography an attractive characterisation technique in materials science by Salvo, L, Cloetens, P, Maire, E, Zabler, S, Blandin, J.J, Buffière, J.Y, Ludwig, W, Boller, E, Bellet, D, Josserond, C

“…X-ray tomography is a non-destructive technique which provides 3D information of materials. It is consequently very attractive in Materials Science since the…”
Get full text

Probabilistic thermal-mechanical fatigue criterion for lost foam casting aluminium alloys based on 2D/3D porosities distribution by Szmytka, F., Limodin, N., Wang, L., Osmond, P., Adrien, J., Charkaluk, E., Buffiere, J.Y.

“…A thermal-mechanical fatigue criterion is proposed to assess the lifetime of aluminium alloys produced by a lost foam casting process. It is based on the…”
Get full text

Three-dimensional shape of the early stages of fatigue cracks nucleated in nodular cast iron by Verdu, C., Adrien, J., Buffière, J.Y.

“…High resolution synchrotron X-ray tomography has been used to obtain three-dimensional (3D) images of the early stages of fatigue crack nucleation in a nodular…”
Get full text

Non-destructive analysis of micro texture and grain boundary character from X-ray diffraction contrast tomography by King, A., Herbig, M., Ludwig, W., Reischig, P., Lauridsen, E.M., Marrow, T., Buffière, J.Y.

“…Recent advances in synchrotron based X-ray imaging and diffraction techniques offer interesting new possibilities for mapping 3D grain shapes and…”
Get full text

In Situ Experiments with X ray Tomography: an Attractive Tool for Experimental Mechanics by Buffiere, J. -Y., Maire, E., Adrien, J., Masse, J. -P., Boller, E.

“…This paper aims at illustrating the potential of X-ray tomography for studying the mechanical behaviour of materials through in situ experiments. Typical…”
Get full text

Experimental and numerical investigation on fatigue damage in micro-lattice materials by Digital Volume Correlation and μCT-based finite element models by Boniotti, L., Dancette, S., Gavazzoni, M., Lachambre, J., Buffiere, J.Y., Foletti, S.

“…This work addresses the fatigue behaviour of two strut-based topologies of micro-lattice materials, focusing in particular on the damage evolution throughout…”
Get full text

Damage assessment in metallic structural materials using high resolution synchrotron X-ray tomography by Babout, L., Ludwig, W., Maire, E., Buffière, J.Y.

“…High resolution synchrotron X-ray tomography has been used to image damage development during mechanical loading in model metallic materials. First, the…”
Get full text

In situ fretting fatigue crack propagation analysis using synchrotron X-ray radiography by de Pannemaecker, A., Buffiere, J.Y., Fouvry, S., Graton, O.

“…[Display omitted] •Initiation and propagation of fatigue cracks during fretting tests in partial slip conditions.•Comparison between fretting fatigue behaviour…”
Get full text

Modelling the fretting fatigue crack growth: From short crack correction strategies to microstructural approaches by de Pannemaecker, A., Fouvry, S., Buffiere, J.Y., Brochu, M.

“…•In situ X-ray imaging of micro-fretting fatigue experiments are simulated.•Pugno et al./Fleury et al. short crack correction (SCC) approach is considered.•A…”
Get full text

Identification of the fatigue stress intensity factor threshold for different load ratios R: From fretting fatigue to C(T) fatigue experiments by de Pannemaecker, A., Fouvry, S., Brochu, M., Buffiere, J.Y.

“…The aim of the study is to demonstrate the similar behaviour of crack arrest condition in mode I for partial slip simple fretting, prestressed fretting…”
Get full text

The influence of the free surface on the fracture of alumina particles in an Al–Al 2O 3 metal–matrix composite by Borbély, A, Biermann, H, Hartmann, O, Buffière, J.Y

“…The influence of the free surface on the load carried by elastic inclusions embedded in an elastic–plastic matrix was investigated by the finite element…”
Get full text

Reverse identification of short–long crack threshold fatigue stress intensity factors from plain fretting crack arrest analysis by de Pannemaecker, A., Fouvry, S., Buffiere, J.Y.

“…•Global description of short-to-long fretting crack arrest conditions (4 materials).•SIF estimation at the fretting crack tip (kinked crack…”
Get full text

Three-dimensional characterization of fatigue cracks in Ti-6246 using X-ray tomography and electron backscatter diffraction by Birosca, S., Buffiere, J.Y., Garcia-Pastor, F.A., Karadge, M., Babout, L., Preuss, M.

“…In the present study, fatigue crack propagation was imaged non-destructively in three dimensions during in situ fatigue loading of Ti-6246 using X-ray…”
Get full text

The influence of the free surface on the fracture of alumina particles in an Al-Al2O3 metal-matrix composite by BORBELY, A, BIERMANN, H, HARTMANN, O, BUFFERRE, J. Y

“…The influence of the free surface on the load carried by elastic inclusions embedded in an elastic--plastic matrix was investigated by the finite element…”
Get full text

Characterisation of crystallographic evolution during creep deformation of a single crystal superalloy by Shollock, B.A., Buffiére, J.Y., Curtis, R.V., Henderson, M.B., McLean, M.

“…Changes in orientation of SRR99 that occur during creep deformation have been determined using back-scattering electron diffraction. The general trend in…”
Get full text

3-D observations of short fatigue crack interaction with la2mellar and duplex microstructures in a two-phase titanium alloy by Birosca, S., Buffiere, J.Y., Karadge, M., Preuss, M.

“…In situ observations of short crack growth in powder-processed Ti-6246 have been undertaken using synchrotron X-ray microtomography to investigate crack tip…”
Get full text