نتایج جستجو برای: plastic composite

تعداد نتایج: 174827  

2017
Giorgio Raimondi Kathryn J. Wood Alan S. Perelson Julia C. Arciero

1 Vascularized and Composite Allotransplantation Laboratory, Department of Plastic and Reconstructive Surgery, Johns Hopkins School of Medicine, Baltimore, MD, USA, 2 Nuffield Department of Surgical Sciences, Oxford University, John Radcliffe Hospital, Oxford, UK, 3 Theoretical Biology and Biophysics Group, Los Alamos National Laboratory, Los Alamos, NM, USA, 4 Department of Mathematical Scienc...

2017
Jacob Rinkinen David Molway Matthew Carty George S. M. Dyer Bohdan Pomahac Anil Chandraker Simon G. Talbot

Vascularised composite allotransplantation (VCA) represents an exciting and emerging field in plastic and reconstructive surgery. Despite the generally good functional and psychosocial outcomes, multiple complications can be associated with the procedure. The authors describe a case of avascular necrosis of the humeral head following successful upper extremity VCA.

Journal: :Machines 2022

Enhancing energy efficiency is the key to realizing green manufacturing. One major area of interest in this regard improvement machine tools during production building materials. This project focuses on spiral milling wood plastic composites. To end, a response surface method was adopted develop model and establish relationship between conditions. Analysis variance based individual factors as w...

2007
Alexander M. Dumansky Lyudmila P. Tairova

Structure– phenomenological hereditary model for prediction of viscoelastic properties of layered polymer composites based on hereditary mechanics and theory of laminated plates relationships was elaborated. Interrelated creep and relaxation constitutive equations of layered composite was derived on the basis of algebra of resolvent operators and matrix algorithms. On example of cross-ply carbo...

2009
ALESSANDRO GIACOMINI ALESSANDRO MUSESTI

Using the tool of two-scale convergence, we provide a rigorous mathematical setting for the homogenization result obtained by Fleck and Willis (J. Mech. Phys. Solids, 2004) concerning the effective plastic behaviour of a strain gradient composite material. Moreover, moving from deformation theory to flow theory, we prove a convergence result for the homogenization of quasistatic evolutions in t...

Journal: :علوم و تکنولوژی پلیمر 0
سیدجلال نیک رای سعید کاظمی نجفی قنبر ابراهیمی

the creep/recovery behavior of wood flour-polypropylene was compared with medium density fiberboard (mdf) and particleboard. for this purpose, wood flour-polypropylene composites (with and without compatibilizer)were manufactured by using a laboratory twin-screw extruder. the mdf and particleboard panels were obtained from local producers. short term flexural creep tests at 30% of ultimate bend...

Journal: :Journal of the Society of Materials Science, Japan 1994

Journal: :Composites Part A: Applied Science and Manufacturing 2014

Journal: :Nano letters 2009
Goki Eda Manish Chhowalla

The electrical properties of solution-processed composite thin films consisting of functionalized graphene sheets (FGS) as the filler and polystyrene (PS) as the host material are described. We demonstrate that transistors from graphene-based composite thin films exhibit ambipolar field effect characteristics, suggesting transport via percolation among FGS in the insulating PS matrix. Device ch...

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