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, due to the increase of amorphous region. For the β-iPP, it decreased due to the reduction of the β-phase content. Key words: polypropylene; crystallization; mechanical properties; thermal properties... possibly transforms β to new α phase (α′) in iPP and affects both thermal and mechanical properties of the iPP packages. iPP crystal is classified into four different forms such as monoclinic (α......
Dynamic Mechanical and Thermal Properties of Cross-linked Polystyrene/Glass Fiber Composites朱泉峣1,陈文1,21. School of Materials Science and Engineering, Wuhan University of Technology2. State Key...-gravimetric analysis (TGA) were employed to investigate the effect of glass fibers surface modification on viscoelastic behavior and thermal properties. The morphology of fracture surfaces of various......
Thermal properties of Y1-xMgxTaO4-x/2 ceramics via anion sublattice adjustmentYun-Xuan Zhou1,Ying Zhou1,Peng Wu1,Peng Song1,Xiao-Yu Chong2,Jing Feng11. Faculty of Materials Science and Engineering... to the pure sample,the thermal expansion coefficient decreases slightly when the Mg2+doping amount is over 20%.The systematic investigations on the phase,microstructure,elastic and thermal properties......
climate, the external surface temperature of the wall is also periodic. With the influence of thermal properties like thermal conductivity and specific heat capacity, temperature wave is delayed... insulation material and decorative material, are all porous media. Though acting mechanisms of thermal and moisture transfer are different in porous media, effects of expanding and contracting properties due......
INFLUENCE OF TEMPERATURE-DEPENDENT PROPERTIES ON THERMAL STRESSES RESPONSE AND OPTIMUM DESIGN OF C/M FGMS UNDER THERMAL CYCLIC LOADING翟鹏程摘 要:<正>... is calculatedusing a nonlinear finite element method. Emphasis is placedon the influence of temperature-dependent properties on thethermal stresses response characteristics, the thermal stressesrelaxation properly......
J. Cent. South Univ. (2016) 23: 2329-2335 DOI: 10.1007/s11771-016-3291-x Resistivity and thermal infrared precursors associated with cemented backfill mass XU Wen-bin(徐文彬)1, 2, HOU Yun-bin(侯运炳)1... behavior, resistivity and thermal infrared (TIR) characteristics of backfill mass under uniaxial compression were investigated. The monitoring system consisted of a TIR observation system, a stress......
Synthesis of γ-LiV2O5/VO2 mixture by thermal lithiation of vanadium (+4, +5) oxides LI Zhi-you(李志友), CAO Du-meng(曹笃盟), ZHOU Ke-chao(周科朝) State Key Laboratory of Powder Metallurgy, Central South...; Abstract: γ-LiV2O5/VO2 composites were synthesized through thermal lithiation reaction of mixed valence (+4, +5) vanadium oxides......
sintering additive, and the mechanical properties, thermal shock resistance of the composite with AlN as sintering additive are also higher than those of the composite without AlN. Microstructure...) GPa for H20S and (19.3±1) GPa for H20S15A. Table 2 Mechanical properties of composites 3.3 Plasma arc thermal shock test of two composites Figure 2 shows the post-thermal shock test morphologies......
Thermal behavior and Rheological Properties of PANI-DBSA/PAN Blends潘玮摘 要:Conducting blends of polyacrylonitrile (PAN) copolymer and dodecylbenzene sulfonic...), thermogravimetric analysis (TGA), transmission electron microscopy (TEM) and cone-plate rheometry, the effects of PANI-DBSA content on the thermal behavior, morphological and rheological properties......
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