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عنوان البحث(Papers / Research Title)


Charactarization of Electrical Properties of (PVA-LiF) Composites


الناشر \ المحرر \ الكاتب (Author / Editor / Publisher)

 
بهاء حسين صالح ربيع الحسيني

Citation Information


بهاء,حسين,صالح,ربيع,الحسيني , Charactarization of Electrical Properties of (PVA-LiF) Composites , Time 09/04/2013 10:19:46 : كلية التربية للعلوم الصرفة

وصف الابستركت (Abstract)


Charactarization of Electrical Properties of (PVA-LiF) Composites

الوصف الكامل (Full Abstract)


Characterization of Electrical Properties Of (PVA-LiF) Composites

 

1)Ahmed Hashim, (2)Bahaa H. Rabee ,(3) Majeed Ali Habeeb, (4)Nahida Abd-alkadhim,                    (5)Athraa Saad

 

(1,2,3)Babylon University, College of Education , Department of physics,  Iraq.

 

          (4)Babylon University, College of Science , Department of chemistry,  Iraq.

 

                                    (5)Babylon University, Enjineering Affairs,  Iraq.                  

 

E-Mail: ahmed_taay@yahoo.com

 

Abstract 

 

            Composites consisting of poly-vinyl alcohol as matrix and lithium fluoride as a filler has been investigated with different percentages of lithium fluoride are (0,5,10, and 15) wt.%.  The electrical conductivity of composite has been studied at different temperature. The results showed that the D.C electrical conductivity increases with increasing the lithium fluoride concentrations and temperature. Also the activation energy change with increasing of lithium fluoride concentration.

 

 

Keywords: Composites, Electrical Conductivity, lithium fluoride.

 

 

Introduction

 

           In recent years, polymeric based composite materials are being used in many applications, such as automotive, sporting goods, marine, electrical, industrial, construction, household appliances, etc. Polymeric composites have high strength and stiffness, light weight, and high corrosion resistance. In the past decade, extensive research work has been carried out on the natural fiber reinforced composite materials in many applications. Natural fibers are available in abundance in nature and can be used to reinforce polymers to obtain light and strong materials. Natural fibers from plants are beginning to find their way into commercial applications such as automotive industries, household applications, etc. [1]. Poly(vinyl alcohol) (PVA), as it is well known for its interesting behavior and its versatile applications. In water, there exist two possible intermolecular interactions among PVA chains or between PVA and water, as follows: (1) H-bonding between modified hydroxyl groups on PVA chains and (2) H-bonding between the —OH groups of PVA and water molecules[2]. The present work deals with study the effect of lithium fluoride on the D.C electrical properties of poly-vinyl alcohol composite.

 

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