Research Paper
Investigation of Some Properties for Laminated Composite Used for Prosthetic Socket
Investigation of Some Properties for Laminated Composite Used for Prosthetic Socket

Shereen A. Abdulrahman; Qahtan A. Hamad; Jawad K. Oleiwi

Volume 39, Issue 11 , November 2021, Page 1625-1631

https://doi.org/10.30684/etj.v39i11.2050

Abstract
  Polyester has been used as a prosthetic socket base. It is well documented that the raw material of the socket base should have exhibited good mechanical properties. Prosthetic socket ...  Read More ...
Research Paper
Evaluation of the Microstructure and Mechanical Properties of Al / Fe3O4 Nanocomposites
Evaluation of the Microstructure and Mechanical Properties of Al / Fe3O4 Nanocomposites

Suaad M. Jiaad; Khansaa Salman; Ahmed A. Hussein

Volume 39, Issue 11 , November 2021, Page 1632-1638

https://doi.org/10.30684/etj.v39i11.2080

Abstract
  The goal of this research is to study the microstructural analysis and mechanical properties of an aluminum matrix reinforced with different amounts of nano Fe3O4 at (2, 4, 6, 8, and ...  Read More ...
Research Paper
Investigation of the Effect of Microcapsule Additive on Mechanical and Physical Properties of Concrete
Investigation of the Effect of Microcapsule Additive on Mechanical and Physical Properties of Concrete

Reem T. Salmana; Alaa A. Abdul-Hamead; Farhad M. Othman

Volume 39, Issue 11 , November 2021, Page 1639-1645

https://doi.org/10.30684/etj.v39i11.2091

Abstract
  Cracks are a fundamental problem in concrete, so this research investigates an experimental study of the effect of adding SiO2 on the self-healing behaviour of concrete. The study is ...  Read More ...
Research Paper
Wild Clary Plant Extract as Corrosion Inhibitor for Carbon Steel in Seawater Medium
Wild Clary Plant Extract as Corrosion Inhibitor for Carbon Steel in Seawater Medium

Zainab S. Aziz; Rana A. Majed; Majid H. Abd

Volume 39, Issue 11 , November 2021, Page 1646-1653

https://doi.org/10.30684/etj.v39i11.2151

Abstract
  Aqueous extract of wild clary has been used in place of a corrosion inhibitor in the corrosion control of carbon steel. The major components of this extract are Ethan amine, Amino-octadic, ...  Read More ...
Research Paper
Recycling of Wood – Plastic Composite Prepared from Poly (Ethylene Terephthalate) and Wood Sawdust
Recycling of Wood – Plastic Composite Prepared from Poly (Ethylene Terephthalate) and Wood Sawdust

Halla M. Shehap; Mohammed A. ALzuhairi; Sarmad I. Ibrahim; Saif S. Hussien

Volume 39, Issue 11 , November 2021, Page 1654-1662

https://doi.org/10.30684/etj.v39i11.2203

Abstract
  Plastic waste has become one of the humanities and the ecosystem balance serious environmental Challenges. Furthermore, it is the primary source of plastic pollution because it is inexpensive, ...  Read More ...
Research Paper
Preparation of Graphene Nanosheets from Graphite Flakes via Shear Assisted Exfoliation
Preparation of Graphene Nanosheets from Graphite Flakes via Shear Assisted Exfoliation

Ali J. Saloum; Basma H. Al-Tamimi; Saad B.H. Farid

Volume 39, Issue 11 , November 2021, Page 1663-1668

https://doi.org/10.30684/etj.v39i11.2219

Abstract
  Graphene is one of the most important forms of carbon. Due to its exceptional physical, chemical, and mechanical properties, it’s used in different fields such as electronic, ...  Read More ...
Research Paper
Improve the Corrosion Resistance of the Copper-Zinc Alloy by the Epoxy-WO3 Nanocomposite Coating
Improve the Corrosion Resistance of the Copper-Zinc Alloy by the Epoxy-WO3 Nanocomposite Coating

Ban D. Abbass; Kadhum M. Shabeeb; Ayad K. Hassan

Volume 39, Issue 11 , November 2021, Page 1669-1673

https://doi.org/10.30684/etj.v39i11.2225

Abstract
  Metal corrosion is one of the most critical challenges in industrial processes. In this research, nanocomposite coating was synthesized by blending tungsten trioxide (WO3) nanoparticles ...  Read More ...
Research Paper
Preparation and Characterization of NiTi/PVA Nanofibers by Electrospinning
Preparation and Characterization of NiTi/PVA Nanofibers by Electrospinning

Akram R. Jabur; Randa Al-Tuhafi

Volume 39, Issue 11 , November 2021, Page 1674-1680

https://doi.org/10.30684/etj.v39i11.2272

Abstract
  NiTi alloys are widely used in biomedical applications for their unique properties particularly the shape memory effect, superelasticity, and biocompatibility. In this research, NiTi/PVA ...  Read More ...
Research Paper
Numerical and Experimental Study of Hybrid Composite Body Armor
Numerical and Experimental Study of Hybrid Composite Body Armor

Iftikhar A. Saleem; Mayyadah S. Abed; Payman S. Ahmed

Volume 39, Issue 11 , November 2021, Page 1681-1687

https://doi.org/10.30684/etj.v39i11.2274

Abstract
  Kevlar is widely used in ballistic applications to protect against hand pistols, due to its high strength, lightweight, and high impact resistance. Compared to other fabrics, Kevlar ...  Read More ...
Research Paper
Pentacene Based Organic Field Effect Transistor Using Different Gate Dielectric
Pentacene Based Organic Field Effect Transistor Using Different Gate Dielectric

Ayat Kadhim; Estabraq Abdullah; Abdulhadi K. Judran

Volume 39, Issue 11 , November 2021, Page 1688-1692

https://doi.org/10.30684/etj.v39i11.2075

Abstract
  This paper presents the electrical behavior of the top contact/ bottom gate of an organic field-effect transistor (OFET) utilizing Pentacene as a semiconductor layer with two distinctive ...  Read More ...
Research Paper
Electrophoretic Deposition Used to Prepare and Analyze the Microstructure of Chitosan/Hydroxyapatite Nano-Composites
Electrophoretic Deposition Used to Prepare and Analyze the Microstructure of Chitosan/Hydroxyapatite Nano-Composites

Israa Z. Ahmed; Hussein A. Jaber; Shaymaa M. Salih

Volume 39, Issue 11 , November 2021, Page 1693-1704

https://doi.org/10.30684/etj.v39i11.2181

Abstract
  This research studies the coating layer properties from chitosan and nano –hydroxyapatite made by pulsed electrophoretic deposition (PEPD) for biomedical applications. The 316L ...  Read More ...
Research Paper
Improving The Properties of a Polyester-Based Composite Using Nanoparticle Fillers
Improving The Properties of a Polyester-Based Composite Using Nanoparticle Fillers

Zainab K. Younus; Laith K. Abbas; Abbas K. Hussein

Volume 39, Issue 11 , November 2021, Page 1705-1714

https://doi.org/10.30684/etj.v39i11.2199

Abstract
  In this work, unsaturated polyester, resin, matrix reinforced, with fiberglass mat chopped were developed using TiO2 and SiO2 Nanoparticles as filler materials. The individual and combined ...  Read More ...
Research Paper
Effect of Different Fiber Reinforcements on Some Properties of Prosthetic Socket
Effect of Different Fiber Reinforcements on Some Properties of Prosthetic Socket

Noor K. Faheed; Jawad K. Oleiwi; Qahtan A. Hamad

Volume 39, Issue 11 , November 2021, Page 1715-1726

https://doi.org/10.30684/etj.v39i11.2267

Abstract
  In the perspective of environmental advance, significant attentiveness is being displayed in the usage of natural fibers like reinforcement in polymer composites. This paper focuses ...  Read More ...
Research Paper
The Influence of Silica Nanoparticle-Based Modifying Agent on the Application of Hydrophobic Coatings
The Influence of Silica Nanoparticle-Based Modifying Agent on the Application of Hydrophobic Coatings

Ali F. Jasim; Mayyadah S. Abed; Khalid K. Abbas

Volume 39, Issue 11 , November 2021, Page 1727-1733

https://doi.org/10.30684/etj.v39i11.2284

Abstract
  This works aims to investigate the influence of three different categories of silica, namely, precipitated silica, fumed silica and nanosilica prepared via sol-gel process, for hydrophobic ...  Read More ...
Investigation of the Diffusion Depth of Ni-Cu Thermal Spray Coating for the Low Carbon Steel
Investigation of the Diffusion Depth of Ni-Cu Thermal Spray Coating for the Low Carbon Steel

Aya N. Mohsin; Hussain M. Yousif; Sura S. Ahmed

Volume 39, Issue 11 , November 2021, Page 1734-1739

https://doi.org/10.30684/etj.v39i11.2179

Abstract
  The effect of some parameters on the diffusion depth of the Ni-Cu coating layer on 52 low carbon steel samples using flame thermal spraying was investigated. In this research, coating-powder ...  Read More ...