Search Results - "Witz, F"

2D and 3D Characterization of Damage Mechanisms in A319 Alloy by Dos Santos, A., Hosdez, J., Limodin, N., El Bartali, A., Tandjaoui, A., Witz, J.-F., Niclaeys, C., Quaegebeur, P., Najjar, D.

“…Background Al-7Si-3Cu (A319) is used for automotive engine cylinder heads and the risk of cracking in the inter valve bridge of the cylinder head is high 1 )…”
Get full text

Experimental investigation of early strain heterogeneities and localizations in polycrystalline α-Fe during monotonic loading by Berger, A., Witz, J.-F., El Bartali, A., Sadat, T., Limodin, N., Dubar, M., Najjar, D.

“…A polycrystalline recrystallized α-Fe specimen was subjected to monotonic tension up to 2% strain. Local strain was measured all over the width of the specimen…”
Get full text

Plastic zone evolution during fatigue crack growth: Digital image correlation coupled with finite elements method by Hosdez, J., Langlois, M., Witz, J-F., Limodin, N., Najjar, D., Charkaluk, E., Osmond, P., Forre, A., Szmytka, F.

“…Nonlinearities effects at the crack tip, due to the elastic-plastic material behavior, impact the crack growth rate and path. This paper is devoted to the…”
Get full text

Fatigue crack growth law identification by Digital Image Correlation and electrical potential method for ductile cast iron by Hosdez, J., Witz, J-F., Martel, C., Limodin, N., Najjar, D., Charkaluk, E., Osmond, P., Szmytka, F.

“…•Paris law constants was determined with DIC and DCPD procedures.•Fatigue test at R-ratio was conducted on a graphite cast iron.•Plasticity was highlighted…”
Get full text

Fatigue crack growth in compacted and spheroidal graphite cast irons by Hosdez, J., Limodin, N., Najjar, D., Witz, J-F., Charkaluk, E., Osmond, P., Forré, A., Szmytka, F.

“…•Fatigue crack growth of spheroidal and compacted graphite cast irons are studied.•Graphite of cast irons are observed with the help of X-ray…”
Get full text

Comparing Methods to Detect the Formation of Damage in Composite Materials by Couty, V., Berthe, J., Deletombe, E., Lecomte-Grosbras, P., Witz, J-F., Brieu, M.

“…There is a significant need for tools to detect damage in composite materials, whether for the development of models, the characterization of materials or the…”
Get full text

Experimental study of the mechanical behavior of an explanted mesh: The influence of healing by Morch, A., Pouseele, B., Doucède, G., Witz, J.-F., Lesaffre, F., Lecomte-Grosbras, P., Brieu, M., Cosson, M., Rubod, C.

“…To better understand the in vivo mechanical behavior of synthetic mesh implants, we designed a specific experimental protocol for the mechanical…”
Get full text

Is there any objective and independent characterization and modeling of soft biological tissues? by Morch, A., Astruc, L., Mayeur, O., Witz, J.-F., Lecomte-Grosbras, P., Brieu, M.

“…The characterization of soft tissue raises several difficulties. Indeed, soft biological tissues usually shrink when dissected from their in vivo location…”
Get full text

Treatment of Adenovirus Infections in Patients Undergoing Allogeneic Hematopoietic Stem Cell Transplantation by Bordigoni, Pierre, Carret, Anne-Sophie, Venard, Véronique, Witz, Francis, Le Faou, Alain

“…Retrospective analysis of 303 patients who underwent allogeneic hematopoietic stem cell transplantation identified 35 (11.5%) with adenovirus infection. Among…”
Get full text

Early clearance of peripheral blasts measured by flow cytometry during the first week of AML induction therapy as a new independent prognostic factor: a GOELAMS study by Lacombe, F, Arnoulet, C, Maynadié, M, Lippert, E, Luquet, I, Pigneux, A, Vey, N, Casasnovas, O, Witz, F, Béné, M C

“…An early appreciation of treatment efficacy could be very useful in acute myeloblastic leukemia (AML), and a prognostic value has been suggested for the…”
Get full text

Three-Dimensional Investigation of Free-Edge Effects in Laminate Composites Using X-ray Tomography and Digital Volume Correlation by Lecomte-Grosbras, P., Réthoré, J., Limodin, N., Witz, J.-F., Brieu, M.

“…Laminate composite materials are widely used for many industrial applications because of their high specific mechanical properties as well as the possibility…”
Get full text

B-spline Based Multi-organ Detection in Magnetic Resonance Imaging by Jiang, Z., Witz, J.-F., Lecomte-Grosbras, P., Dequidt, J., Duriez, C., Cosson, M., Cotin, S., Brieu, M.

“…In the context of the female pelvic medicine, non‐invasive magnetic resonance imaging is widely used for the diagnosis of pelvic floor disorders. Nowadays, in…”
Get full text

A phase Ib GOELAMS study of the mTOR inhibitor RAD001 in association with chemotherapy for AML patients in first relapse by Park, S, Chapuis, N, Saint Marcoux, F, Recher, C, Prebet, T, Chevallier, P, Cahn, J-Y, Leguay, T, Bories, P, Witz, F, Lamy, T, Mayeux, P, Lacombe, C, Demur, C, Tamburini, J, Merlat, A, Delepine, R, Vey, N, Dreyfus, F, Béné, M C, Ifrah, N, Bouscary, D

“…The mTORC1 signaling pathway is constitutively activated in almost all acute myelogenous leukemia (AML) patients. We conducted a phase Ib trial combining…”
Get full text

Quantification of Pelvic Mobility on Dynamic Magnetic Resonance Images: Using Mechanical Insight to Help Diagnose Pelvic Pathologies by Lecomte-Grosbras, P., Witz, J.-F., Brieu, M., Faye, N., Cosson, M., Rubod, C.

“…Pelvic mobility is essential for good pelvic organ function. Any modification may be a sign of pathology. The objective of this study was to define a…”
Get full text

Multiorgan motion tracking in dynamic magnetic resonance imaging for evaluation of pelvic system mobility and shear strain by Jiang, Z., Witz, J.‐F., Lecomte‐Grosbras, P., Dequidt, J., Cotin, S., Rubod, C., Duriez, C., Brieu, M.

“…Female pelvic disorders have a large social impact; the diagnosis of which relies on a key indication: pelvic mobility. The normal mobility is present in a…”
Get full text

Microplasticity in Polycrystals: A Thermomechanical Experimental Perspective by Charkaluk, E., Seghir, R., Bodelot, L., Witz, J.-F., Dufrénoy, P.

“…In this paper, thermomechanical couplings at the grain scale in metallic polycrystals are studied during the deformation process through an original…”
Get full text

Influence of healing time on the mechanical properties of an implanted mesh by Morch, A., Pouseele, B., Doucède, G., Witz, J.-F., Lesaffre, F., Brieu, M., Cosson, M., Rubod, C.

Get full text

A Dedicated DIC Methodology for Characterizing Plastic Deformation in Single Crystals by Wang, X. G., Witz, J. F., El Bartali, A., Oudriss, A., Seghir, R., Dufrénoy, P., Feaugas, X., Charkaluk, E.

“…This paper focuses on the development of an appropriate Digital Image Correlation (DIC) methodology based on Image Registration and dedicated for…”
Get full text

A unified mechanical based approach to fracture properties estimates of rubbers subjected to aging by Kadri, R., Abdelaziz, M. Nait, Fayolle, B., Hassine, M. Ben, Witz, J.F.

“…In this work, the influence of aging on the mechanical properties at break of rubber materials are examined. When subjected to physical-chemical aging, the…”
Get full text

Biomechanics of pelvic system: Towards a definition of the required mechanical properties of implants by Brieu, M., Cosson, M., Lecomte-Grosbras, P., Rubod, C., Witz, J.-F.

“…Genital prolapse is a prevalent pelvic disorder inducing hypermobility of organs. Its physiopathology is not well understood as highlighted by the high rate of…”
Get full text