درست في هذا البحث الخواص الديناميكية للبولي كربونات (P.C) في الحالتين المنصهرة و الصلبة
عند درجات الحرارة ٢٠٠ , ٢١٠ , ٢٢٠ , ٢٣٠ ºC و بزاوية تشوه للاجهاد ٢ْ ، و باستخدام جهاز
الميزان الريومتري نظام الدكتور كبيس.
No English abstract
References used
F.N. Gogswell, polymer melt rheology:Ed. John willey and sons. New York1981
R.S. Lenk. Polymer Rheology. Applied science . LTD . London1978
The use of cross-linking polyethylene was increased, especially for the
medium & high voltage electrical cables instead of paper and oil insulating
materials. The radiated low density polyethylene is the best technique in the
process of cross-link
This search aims to study the effect of additive materials ( Ethyl Methyl Keton
Peroxide MEKP , Cobalt Naphthenate ) at the important values of (stress-strain) curves
( stress and elongation at break ) for the preparing specimens from reinforced an
The Actual measurment of melt viscosity at a large number of
temperatures and shear rates is frequently a tedious and time
consuming task. The experimental validity for superimposing Log.
shear stress - Log shear rate curves at different temperatures along
the Log shear rate axis has been established for polycarbonate.
As a result of the development of the use of reinforced Composites with fibers in
practical applications continuously, research aims to study the effect of proportion piroxide
additives to unsaturated polyester resin on the tensile properties of th
The research includes an analytical study using the finite element method for the reinforced concrete beams containing holes in the body. These tested trophies have a rectangular cross-section and without additional armament in the area of the hole,