نتایج جستجو برای: processability
تعداد نتایج: 937 فیلتر نتایج به سال:
Abstract In order to promote the development and application of environment-friendly plastics, a glass fiber-modified starch/polylactic acid composite was prepared by melt extrusion method. The influence fiber content on mechanical thermal properties studied, multi-objective optimization injection molding process carried out with consideration material properties. results show that increase fro...
This study focuses on the influence of alloying elements (Si and Mg) process parameters laser powder bed fusion (LPBF) processability aluminum (Al). In this regard, pure Al, AlSi12, AlSi10Mg parts with without single tracks their top surface were fabricated using a wide range parameters. The oxidation tendency, absorptivity, attributes evaluated to justify densification level processing window ...
Plasticizers are small molecules with low molecular weight. These compounds typically have an esteric structure. The plasticizers reduce the glass transition temperature and the viscosity of the polymer to enhance the flexibility and processability of polymer materials. The main problem with these additives is that, over time, they migrate from the polymeric matrix and exude to the surface of p...
Nowadays solid propellant motors (SRMs) are widely used because of simple structure and reliability. One of the requirements in SRMs is high tensile and bonding strength of liner for integrity of grain structure and neutralizes stresses applying to motor. In this research, effect of curing agent ratio (NCO/OH) in the range of (R=0.9-1.4) on tensile strength of liner and bonding strength of line...
Purpose: To evaluate anterior surface topographic technologies and display algorithms in mapping keratoconus. Materials and methods: A total of 27 eyes of 17 subjects clinically diagnosed with keratoconus were imaged on six topographers: EyeSys, Alcon EyeMap, Keratron, TMS-1, Orbscan and PAR corneal topography system. Axial distance (AD) and instantaneous radius of curvature (IROC) algorithms w...
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