Studies on Characterization of Sawdust for Application in a Gasification Process for Syngas Production
Studies on Characterization of Sawdust for Application in a Gasification Process for Syngas Production

Abdul Hameed M.J. Al-Obaidy; Riyad H. Al-Anbari; Hussein A. Kadhim

Volume 36, 10A , October 2018, Page 1022-1026

https://doi.org/10.30684/etj.36.10A.1

Abstract
  Quintessential characteristics of sawdust were investigated in this study as well as to to investigate the ability of reed as a Production of gases via gasification technique by using ...  Read More ...
Study The Effect of Micro CaCO3 and SiO2 and their Mixture on Properties of High Strength Concrete
Study The Effect of Micro CaCO3 and SiO2 and their Mixture on Properties of High Strength Concrete

Ahmed M. Al Ghaban; Aseel B. Al Zubaidi; Zahraa F. Jawad

Volume 36, 10A , October 2018, Page 1027-1033

https://doi.org/10.30684/etj.36.10A.2

Abstract
  This paper investigated the effect of incorporating two types of micro particles micro CaCO3 and micro SiO2 on mechanical properties and durability of concrete. Micro materials were ...  Read More ...
Microstructure and Electrical Conductivity of 7075Al alloy/SiC Nano Composites
Microstructure and Electrical Conductivity of 7075Al alloy/SiC Nano Composites

Hussain J. Al-Alkawi; Sameir A. Aziez; Deana A. Idan

Volume 36, 10A , October 2018, Page 1034-1038

https://doi.org/10.30684/etj.36.10A.3

Abstract
  Analysis using scanning electron microscope (SEM) at high magnification showed that the microstructure of the nano composites exhibited uniform distribution of SiC particles and less ...  Read More ...
Influence of SAW Welding Parameters on Microhardness of Steel A516-Gr60
Influence of SAW Welding Parameters on Microhardness of Steel A516-Gr60

Sadeq H. Bakhy; Samir A. Amin; Fouad A. Abdullah

Volume 36, 10A , October 2018, Page 1039-1047

https://doi.org/10.30684/etj.36.10A.4

Abstract
  Submerged Arc Welding (SAW) process is generally used for industries, such as petroleum storage tanks, pressure vessels, and structural components.Good mechanical properties of welded ...  Read More ...
The Influence of Punch Profile Radius on Deep Drawing Process in Case of a Low Carbon Steel Cylindrical Cup
The Influence of Punch Profile Radius on Deep Drawing Process in Case of a Low Carbon Steel Cylindrical Cup

Waleed K. Jawad; Abdullah Jaafar

Volume 36, 10A , October 2018, Page 1048-1058

https://doi.org/10.30684/etj.36.10A.5

Abstract
  This research aims to investigate the effect of punch profile radius on the drawing force, cup wall thickness, amount of spring back induced in the drawn cup, contact regions between ...  Read More ...
Effect of Natural Fibers on Mechanical Properties of Polymer Composites
Effect of Natural Fibers on Mechanical Properties of Polymer Composites

Ruaa H. AbdulRaheem

Volume 36, 10A , October 2018, Page 1059-1067

https://doi.org/10.30684/etj.36.10A.6

Abstract
  The mechanical behavior of coconut shell (CS) particulate epoxy composites was concentrated on keeping in mind the end goal to create designing materials for modern application. Minute ...  Read More ...
Preparation and Characterization of TiO2 Nanoparticles and its Applications as Antibacterial Agents
Preparation and Characterization of TiO2 Nanoparticles and its Applications as Antibacterial Agents

Ghadah R. Kahdim; Riyad Hassan Al-Anbari; Adawiay J. Haider

Volume 36, 10A , October 2018, Page 1068-1074

https://doi.org/10.30684/etj.36.10A.7

Abstract
  TiO2NP’s were synthesis by sol-gel method at different calcination temperatures. The prepared TiO2NP’s were characterized by X-Ray Diffraction (XRD), Scanning Electron Microscopy ...  Read More ...
Synthesis of Multi-Walled Carbon Nanotubes Decorated with Zinc Oxide Nanoparticles for Removal of Pathogenic Bacterial
Synthesis of Multi-Walled Carbon Nanotubes Decorated with Zinc Oxide Nanoparticles for Removal of Pathogenic Bacterial

Adawiya J. Haider; Riyad H. AL- Anbari; Hayder A. Mohammed; Duha S. Ahmed

Volume 36, 10A , October 2018, Page 1075-1080

https://doi.org/10.30684/etj.36.10A.8

Abstract
  A series of Zinc Oxide Nanoparticles (ZnONPs)-functionalized Multi-Walled Carbon Nanotubes (F-MWCNTs) Nano composites were developed as antibacterial. In this study, chemical oxidation ...  Read More ...
Analysis and Simulation of Unmanned Aircraft Propeller Motor Using PSIM
Analysis and Simulation of Unmanned Aircraft Propeller Motor Using PSIM

Ahmed S. Yousif; Ammar S. Mohammed

Volume 36, 10A , October 2018, Page 1081-1090

https://doi.org/10.30684/etj.36.10A.9

Abstract
  The study and simulation of a PI speed controller for small UAV or quadcopter motor is discussed in this research. The motor under consideration is MAXON 2260 215, which is a brushless ...  Read More ...
Optimization of Heat Treatment Parameters for the Tensile Properties of Medium Carbon Steel
Optimization of Heat Treatment Parameters for the Tensile Properties of Medium Carbon Steel

Abbas Kh. Hussein; Laith K. Abbas; Wisam N. Hasan

Volume 36, 10A , October 2018, Page 1091-1099

https://doi.org/10.30684/etj.36.10A.10

Abstract
  The purpose of this study is designate quenching and tempering heat treatment by using Taguchi technique to determination optimal factors of heat treatment (tempering temperature, percentage ...  Read More ...
Maximizing the Value of Decay Rate for a Vibrated Beam
Maximizing the Value of Decay Rate for a Vibrated Beam

Sherko A. Ibrahem; Tahseen T. Othman

Volume 36, 10A , October 2018, Page 1100-1109

https://doi.org/10.30684/etj.36.10A.11

Abstract
  This paper presents design controllers by using control strategies and (LMI) in order to attenuate the vibrations of a beam. An Aluminum beam with fixed-fixed configuration was chosen ...  Read More ...
Full State Feedback 𝐇𝟐 and H-infinity Controllers Design for a Two Wheeled Inverted Pendulum System
Full State Feedback 𝐇𝟐 and H-infinity Controllers Design for a Two Wheeled Inverted Pendulum System

Hazem I. Ali; Zain. M. Shareef

Volume 36, 10A , October 2018, Page 1110-1121

https://doi.org/10.30684/etj.36.10A.12

Abstract
  In this work, two robust controllers, which are full state feedback, 𝐻2 and full state feedback 𝐻∞ controllers are proposed for the two wheeled inverted pendulum system. ...  Read More ...