Effect of Different Laser Welding Parameter on Welding Strength in Polymer Transmission Welding Using Semiconductor
Effect of Different Laser Welding Parameter on Welding Strength in Polymer Transmission Welding Using Semiconductor

Farah M. Shaker; Mohanned M. AL-Khafaji; Kadhim A. Hubeatir

Volume 38, 5A , May 2020, , Page 761-768

https://doi.org/10.30684/etj.v38i5A.368

Abstract
  In this work, the diode laser (810μm wavelength) was used for laser transmission welding application on PMMA (polymethylmethacrylate). The welding was done between opaqueness and ...  Read More ...
Drag Reduction Study of Xathan Gum with Polydiallyldimethylammonium Chloride (PDDAC) Solutions in Turbulent Flow
Drag Reduction Study of Xathan Gum with Polydiallyldimethylammonium Chloride (PDDAC) Solutions in Turbulent Flow

Zainab Yousif

Volume 36, 8A , August 2018, , Page 891-899

https://doi.org/10.30684/etj.336.8A.8

Abstract
  The transportation of liquids through pipelines is attributed with high-energy consumption due to the turbulent nature of their transportation. Low concentrations of polymeric additives ...  Read More ...
Performance of Powdered Polymerized Concrete at Elevated Temperatures
Performance of Powdered Polymerized Concrete at Elevated Temperatures

Dina Mukheef Hamza

Volume 31, 5 A , May 2013, , Page 932-950

https://doi.org/10.30684/etj.31.5A10

Abstract
  In the domain of concrete modification by using polymers, the present study, focused on the use of Carboxy-Methyl Cellulose (CMC) as a water-soluble polymer and investigate its effects ...  Read More ...
Improving the Compatibility between Polymer-, Pozzolanic Cement-Based Repairing Materials and Concrete Substrate
Improving the Compatibility between Polymer-, Pozzolanic Cement-Based Repairing Materials and Concrete Substrate

Qais J. Frayyeh; Maan S. Hassan; Tahseen D. Saadoon

Volume 31, 4A , April 2013, , Page 661-676

https://doi.org/10.30684/etj.31.4A.5

Abstract
  In this study, the compatibility of five different cement based repair materials and substrate concrete was investigated in three stages. First stage includes studying the individual ...  Read More ...
Mechanical Properties of Polymer-, Pozzolanic Cement- Based Repairing Materials
Mechanical Properties of Polymer-, Pozzolanic Cement- Based Repairing Materials

Qais J. Frayyeh; Maan S. Hassan; Tahseen D. Saadoon

Volume 30, Issue 7 , April 2012, , Page 1211-1221

https://doi.org/10.30684/etj.30.7.9

Abstract
  In this study, the mechanical properties of five different cement based repairing materials were evaluated. These materials were classified into two groups: laboratory made materials ...  Read More ...
Ceramic Filled Polymer Matrix Composite Used For Bio-Medical Application
Ceramic Filled Polymer Matrix Composite Used For Bio-Medical Application

Waleed Asim Hanna; Abbas Khammas Hussei; Hayder Abbas Sallal

Volume 29, Issue 9 , June 2011, , Page 1765-1773

https://doi.org/10.30684/etj.29.9.11

Abstract
  Synthetic polymers such as polyurethane are used widely in the field of biomedical applications such as implants or part of implant systems. This work focuses on the preparation of ...  Read More ...
Bond Strength Assessment for Different Types of Repair Materials
Bond Strength Assessment for Different Types of Repair Materials

Aseel S. Mansi

Volume 28, Issue 21 , October 2010, , Page 6325-6336

https://doi.org/10.30684/etj.28.21.10

Abstract
  The main objective of this work is to evaluate the bond strength fordifferent types of repair materials. Three test methods; slant shear, splitting prism and Bi-Surface shear test with ...  Read More ...
The Effect of Solvent Additions on theMechanical Properties of Epoxy
The Effect of Solvent Additions on theMechanical Properties of Epoxy

Khalid K. Abbass; Akram R. Jabur; Saad B. H. Farid

Volume 28, Issue 18 , September 2010, , Page 5732-5743

https://doi.org/10.30684/etj.28.18.10

Abstract
  The effect of the TolueneC6H5CH3 and Acetone (CH3)2CO additions on themechanical properties of cured Epoxy is studied. Different weight percentages ofToluene (0, 4, 8, 10 & 14 wt%) ...  Read More ...
Factors Affecting Compatibility between (S.B.R) Polymer Repair Materials and Concrete Substrate
Factors Affecting Compatibility between (S.B.R) Polymer Repair Materials and Concrete Substrate

Haider A. Abdul-Hameed; Aseel S. Mansi; Maan S. Hassan

Volume 28, Issue 14 , July 2010, , Page 4853-4865

https://doi.org/10.30684/etj.28.14.14

Abstract
  In this study, the compatibility of polymer modified repair mortar andsubstrate concrete was investigated in three stages. First stage includes studying the individual properties of ...  Read More ...
Preparation and Characterization of Polymer- Ceramic Composite Bio-material
Preparation and Characterization of Polymer- Ceramic Composite Bio-material

Rabab Asim Abdul-Aziz; Waleed Asim Hanna; Kahtan Khalaf Al-khazraji

Volume 28, Issue 13 , June 2010, , Page 2497-2515

https://doi.org/10.30684/etj.28.13.1

Abstract
  This work focuses on studying the addition effect of the prepared HA powder asa filler material before and after the calcination process with different volumefractions (2.5, 5, 7.5, ...  Read More ...