نتایج جستجو برای: elongation at break
تعداد نتایج: 3759323 فیلتر نتایج به سال:
The accelerated thermal ageing of ABS films has been investigated over a wide range exposure temperatures in air, by FTIR, GPC, AFM and tensile testing order to determine the origin ductile/brittle transition during exposure. Besides formation oxidation products decrease unsaturated bonds butadiene phase, molar mass changes have highlighted chain scission process. If is associated SAN crosslink...
The potential utilization of melamine impregnated paper (MIP) waste in thermoplastic composites was investigated. Composites were also manufactured utilizing wood flour (WF) at the same filler rates for comparison. using a compression molding method. effects type and rate on mechanical properties low-density polyethylene (LDPE)-based evaluated. Mechanical properties, such as tensile flexural st...
Four series of polylactide (PLA) based composite films containing horizontally aligned few layer graphene (FLG) flakes high aspect ratio and adsorbed albumin are prepared. The mechanical thermal properties varies with percentage, dispersion degree size FLG flakes. Great improvement up to 290% 360% tensile modulus strength respectively were obtained for the lateral at 0.17% wt, 60% 80% very well...
The studies on wollastonite reinforced recycled ABS (Acrylonitrile butadiene styrene) composites were investigated. Powder-based with a particle size of 13 microns was mixed Acrylonitrile styrene in various proportions wt.%. Recycled homogeneously and composite prepared using twin-screw extruder it pelletized. specimens the injection moulding process mechanical properties like tensile strength ...
Hydroxyapatite is a biocompatible ceramic and reinforcement for bone implantations. SEVA/HAP composite content HAP filler with difference particle sizes were designed. Mechanical tests like tensile modulus, UTS, strain at break and biodegradation were investigated. Results illustrated much increase tensile modulus of composites content HAP nano powders ratio to micro powders. Also UTS analysis ...
In this paper, maximum value of energy to break at Charpy impact test as a criterion of fracture toughness of AISI 316/A387 Gr.91 weld joints with ERNiCrMo-3 filler metal were obtained by optimization of pulesd current gas tungsten arc welding process parameters. The selected parameters were peak current, background current, frequency and on time percentage that were changed in three levels. Th...
Photosynthesis and wheat grain yield responses to supplemental irrigation with different amount of applied water under dryland conditions were investigated. Therefore, a two-year field experiment was conducted research farm of College of Agriculture, Shiraz University during 2004-2005. Five levels of irrigation including dryland conditions, irrigation at stem elongation, booting, flowering an...
To determine the proper nitrogen fertilizer rates and its application times for achieving high grain and oil yields of rapeseed cultivar, Hyola 401, a research was carried out in paddy fields of Rice Research Institute of Iran in Rasht during two cropping seasons. A factorial experiment was conducted in a completely randomized block design with three replications. The experimental factors w...
This experiment was conducted to investigate of drought effect on some physiological parameters and amino acids accumulation in two canola cultivars (SLM046 and Cooper; tolerance and sensitive to water stress, respectively). The experiment was carried out during two growth phase (stem elongation and flowering stage) using irrigation levels consisting of irrigation after 80 mm evaporation from c...
Edible films are thin preformed layers that provide food protection against adverse environmental conditions. Despite milk proteins being functional ingredients can interesting features to films, there is scarce information evaluating their influence on film properties and stability. For this reason, research work compared the mechanical (thickness, tensile strength, elongation at break), hydro...
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