نتایج جستجو برای: metalmatrix composites

تعداد نتایج: 45837  

Journal: :Dalton transactions 2015
Jun Jiang Chunde Wang Jianwen Liang Jian Zuo Qing Yang

Nanorod-FeP@C composites are synthesized via a one-pot solution reaction of ferrocene (Fe(C5H5)2) with excess triphenylphosphine (PPh3) in sealed vacuum tubes at 390 °C, in which PPh3 is used as both the phosphorus source and solvent in the reaction. The structure and lithium storage performance of the as-prepared nanorod-FeP@C composites are intensively characterized, and it is interesting tha...

2016
YI LI WEI CHEN XUEJUN JIN

To provide a seamless integration of manufacturing processing simulation and fiber microstructure modeling, two new stochastic 3D microstructure reconstruction methods are proposed for two types of random fiber composites: random short fiber composites, and Sheet Molding Compounds (SMC) chopped fiber composites. A Random Sequential Adsorption (RSA) algorithm is first developed to embed statisti...

2011
VISHVENDRA MEENA S. K. Acharya

7 CHAPTER 1: INTRODUCTION 8-13 1.1: DEFINITION OF COMPOSITE 1.2: CLASSIFICATION OF COMPOSITES 1.3: HYBRID COMPOSITES 1.4: NATURAL FIBER REINFORCED COMPOSITES 1.5: APLICATIONS OF NATURAL FIBER COMPOSITES CHAPTER 2: LITERATURE SURVEY 14-18 CHAPTER 3: MATERIALS AND METHODS 19-30

Journal: :علوم و تکنولوژی پلیمر 0
یحیی همزه امیرحسن رهبری مرتضی انحصاری قنبر ابراهیمی

studies were carried out on the preparation and properties of the composites made from cellulose acetate butyrate and cellulose acetate propionate with various amounts of barium strontium titanate nano-particle. the nano-particles of barium strontium titanate (bst) with formulation of ba0.77sr0.23tio3 were made by sol-gel method and their purity and particle size were analyzed by x-ray diffract...

2013

Short randomly oriented banana and sisal hybrid fibre reinforced polyester composites, banana/polyester composites and sisal/polyester composites were fabricated at different fibre loading say, 0.20 to 0.50 Vf. Composites were prepared by varying the relative volume fraction of the two fibres at each fibre loading. When the fibre loading was increased; tensile, flexural and impact properties in...

Journal: :journal of dental biomaterials 0
m. fani student research committee, shiraz dental school, shiraz university of medical sciences, shiraz, iran s. farmani student research committee, shiraz dental school, shiraz university of medical sciences, shiraz, iran r. bagheri dental materials department and biomaterials research centre, shiraz dental school, shiraz university of medical sciences, shiraz, iran

this article aims to review various modes of fracture toughness of resin composites. also, this study intends to review the papers on the fracture mode, namely “fractography”, under scanning electron microscopy finding fracture initiation site, and the effect of filler content on the fracture toughness of resin composites. it will also review the effect of aging on the fracture toughness of res...

2008
D A Pan S G Zhang Alex A Volinsky L J Qiao

This paper presents the magnetoelectric (ME) effect in trilayered Ni/PZT/Ni composites which is related to their size and shape. The ME composites with the same interfacial areas but different geometrical shapes have different ME voltage coefficients. Longitudinal resonant modes in the rectangular and triangular trilayered ME composites were studied. One should choose optimized size, shape and ...

2014
K. Prasad

The use of unconventional machining techniques in shaping metal matrix composites (MMCs) has generated considerable interest as the manufacturing of complicated die contours. Metal matrix composites are advanced materials having high specific strength, good wear resistance, and high thermal expansion coefficient. Electrical discharge machining is a best process to make complicated shapes on the...

2008
Emmanouil Lioudakis Andreas Othonos Ioannis Alexandrou

Femtosecond transient absorption measurements on single wall carbon nanotube/poly(3-hexylthiophene) composites are used to investigate the relaxation dynamics of this blended material. The influence of the addition of nanotubes in polymer matrix on the ultrashort relaxation dynamics is examined in detail. The introduction of nanotube/polymer heterojunctions enhances the exciton dissociation and...

Journal: :Acta biomaterialia 2006
Drago Skrtic Joseph M Antonucci Da-Wei Liu

Improving the anti-demineralizing/remineralizing and mechanical properties of amorphous calcium phosphate (ACP) composites has been the focus of our recent research. In this study, an ethoxylated bisphenol A dimethacrylate (EBPADMA) was blended with triethylene glycol dimethacrylate (TEGDMA), 2-hydroxyethyl methacrylate (HEMA) and methacryloxyethyl phthalate (MEP) to form experimental resins wi...

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