The Effect of Infill Pattern on Tensile Strength of PLA Material in Fused Deposition Modeling (FDM) Process
The Effect of Infill Pattern on Tensile Strength of PLA Material in Fused Deposition Modeling (FDM) Process

Maria F. Jasim; Tahseen F. Abbas; Abdullah F. Huayier

Volume 40, Issue 12 , December 2022, , Page 1723-1730

https://doi.org/10.30684/etj.2021.131733.1054

Abstract
  Fused deposition modeling (FDM) is an additive manufacturing (AM) process often used to build geometrically complex prototypes and parts. It is becoming more popular since it improves ...  Read More ...
Development the Mechanical Properties of the Acrylic Resin (PMMA) by Added Different Types of Nanoparticles, Used for Medical Applications
Development the Mechanical Properties of the Acrylic Resin (PMMA) by Added Different Types of Nanoparticles, Used for Medical Applications

Sura H. Ahmed; Waffa M. Salih

Volume 40, Issue 1 , January 2022, , Page 166-171

https://doi.org/10.30684/etj.v40i1.2017

Abstract
  This research is studying the effect of reinforcement the acrylic resin (PMMA) by two types of nanoparticles, which included: Walnut shell (WSP) and Talc particles (TP) that practical ...  Read More ...
Flexural Performance of Reinforced Concrete Built-up Beams with SIFCON
Flexural Performance of Reinforced Concrete Built-up Beams with SIFCON

Ghazwan K. Mohammed; Kaiss F. Sarsam; Ikbal N. Gorgis

Volume 38, 5A , May 2020, , Page 669-680

https://doi.org/10.30684/etj.v38i5A.501

Abstract
  The study deals with the effect of using Slurry infiltrated fiber concrete (SIFCON) with the reinforced concrete beams to explore its enhancement to the flexural capacity. The experimental ...  Read More ...
Preparation and Characterization of Polymer Blend and Nano Composite Materials Based on PMMA Used for Bone Tissue Regeneration
Preparation and Characterization of Polymer Blend and Nano Composite Materials Based on PMMA Used for Bone Tissue Regeneration

Sally A. Kadhum Alsaedi; Sihama I. Salih; Fadhil A. Hashim

Volume 38, 4A , April 2020, , Page 501-509

https://doi.org/10.30684/etj.v38i4A.383

Abstract
  As the elderly population increases, the need for bone loss treatments is increasing. Vital substances used in such treatments are required to continue for a longer period and work ...  Read More ...
Multi-Objective Optimization of Friction Stir Welding for Aluminum Alloy (2024-T3)
Multi-Objective Optimization of Friction Stir Welding for Aluminum Alloy (2024-T3)

Abbas K. Hussein; Laith K. Abbas; Ahmed A. Seger

Volume 38, 2A , February 2020, , Page 185-198

https://doi.org/10.30684/etj.v38i2A.280

Abstract
  In this research, a multi-response optimization based on Taguchi method is proposed for friction stir welding (FSW) process for (2024-T3) aluminum alloy. Three different shoulder diameters ...  Read More ...
Some Mechanical Properties of Polymer Matrix Composites Reinforced by Nano Silica Particles and Glass Fibers
Some Mechanical Properties of Polymer Matrix Composites Reinforced by Nano Silica Particles and Glass Fibers

Sudad Younis; Jawad K. Oleiwi; Reem A. Mohammed

Volume 36, 12A , December 2018, , Page 1283-1289

https://doi.org/10.30684/etj.36.12A.10

Abstract
  This research studied the effect of nano silica particles on wear behavior test , ultimate tensile strength ,impact strength, fracture toughness and hardness shore D of specimens composite ...  Read More ...
Effect of Waiting Time before Re-vibration on Mechanical Properties of Fiber Reinforced Concrete
Effect of Waiting Time before Re-vibration on Mechanical Properties of Fiber Reinforced Concrete

Aseel A. Abdulridha

Volume 36, 7A , July 2018, , Page 748-758

https://doi.org/10.30684/etj.36.7A.7

Abstract
  A knowledge of the concrete vibration after casting have led to improve the mechanical properties of concrete, reduce the deformations due to creep and shrinkage and reduce the concrete ...  Read More ...
Effect of Addition CuO Nanoparticle to Quenching Media on Properties of Medium Carbon Steel
Effect of Addition CuO Nanoparticle to Quenching Media on Properties of Medium Carbon Steel

J.H. Mohmmed

Volume 35, 9A , September 2017, , Page 894-898

https://doi.org/10.30684/etj.35.9A.4

Abstract
  In current work the effect of addition CuO nanoparticles to the polyalkylene glycol (PAG) water solution quenching media on some properties of medium carbon steel was examined. Five ...  Read More ...
Improvement, the Performance of Polyurethane (PUR), Y-290 Resin as Coating of Oil Pipeline by Using Multi-Walled Carbon Nanotubes (MWCNTs)
Improvement, the Performance of Polyurethane (PUR), Y-290 Resin as Coating of Oil Pipeline by Using Multi-Walled Carbon Nanotubes (MWCNTs)

S.A. Awad; E.M. Khalaf

Volume 35, 8A , August 2017, , Page 845-848

https://doi.org/10.30684/etj.35.8A.10

Abstract
  In this study, polyurethane epoxy-Y290 (PUR-Y290) as a matrix material was reinforced by 1%MWCNTs. Polyurethane is a thermoset polymer and using for several applications particularly ...  Read More ...
Preparation and Characterization of PMMA-HDPE and HDPE-PMMA Binary Polymer Blends
Preparation and Characterization of PMMA-HDPE and HDPE-PMMA Binary Polymer Blends

S.I. Salih; A.M. Al.gabban; A.H. Abdalsalam

Volume 35, 4A , April 2017, , Page 311-317

https://doi.org/10.30684/etj.35.4A.2

Abstract
  A comparison was made on the mechanical characteristics of binary blends polymethylmethacrylate/ high density polyethylene (PMMA-%HDPE) and vice versa. Analysis of morphology by SEM ...  Read More ...
Study the Mechanical and Physical Properties of Polyester Composite Reinforced by Multi Layers
Study the Mechanical and Physical Properties of Polyester Composite Reinforced by Multi Layers

Fadhil Abbas Hashim; Mohammed Sellab Hamza; Reham Raad Abdulla

Volume 34, 9A , September 2016, , Page 1834-1843

https://doi.org/10.30684/etj.34.9A.10

Abstract
  In this research, a laminate composite has been prepared, using unsaturated polyester resin (UP) as a matrix reinforced with Kevlar fibers in different number of layers, glass fibers ...  Read More ...
Tensile Properties Distribution of Coir Natural Fiber Using Weibull Statistics
Tensile Properties Distribution of Coir Natural Fiber Using Weibull Statistics

Ahmed Mudhafar Hashim; Jawad Kadhim Oleiwi

Volume 34, 6A , June 2016, , Page 1080-1087

https://doi.org/https://doi.org/10.30684/etj.34.6A.5

Abstract
  In current time, most of the composites based on polymer resins reinforced with natural fibers than synthetic fibers for environmentally friendly consideration. This work investigate ...  Read More ...
Investigate and Comparison Effect add Amorphous and Crystalline - Nano SiO2 on Properties of Concrete
Investigate and Comparison Effect add Amorphous and Crystalline - Nano SiO2 on Properties of Concrete

Rami Joseph Aghajan Sldozian

Volume 33, 3B , March 2015, , Page 547-555

https://doi.org/10.30684/etj.33.3B.14

Abstract
  In this paper, the study included the comparison between amorphous silica and crystalline silica (quartz), and with nano scale size, two types of silicawere added to concrete by ratios ...  Read More ...
Effect of Degassing Process of Squeeze Casting Aluminum Alloy on Tensile Strength Under Different Pressures
Effect of Degassing Process of Squeeze Casting Aluminum Alloy on Tensile Strength Under Different Pressures

Hussain J. Al-alkawi; Dhafir S. Al-Fattal; Samih K. Al-najjar

Volume 33, 2A , February 2015, , Page 320-330

https://doi.org/10.30684/etj.33.2A.4

Abstract
  Degassing technique currently applied to cast aluminum alloys due to its technological and economic advantages. The present work aimed to study the effect of degassing technique of ...  Read More ...
Effect of Using Windows Waste Glass as Coarse Aggregate on Some Properties of Concrete
Effect of Using Windows Waste Glass as Coarse Aggregate on Some Properties of Concrete

Abdelmaseeh Bakos Keryou; Gailan Jibrael Ibrahim

Volume 32, Issue 6 , July 2014, , Page 1519-1529

https://doi.org/10.30684/etj.32.6A.14

Abstract
  In this experimental study, local waste glass (WG) gathered from Turkey-made windows glass has been used as a partial replacement of coarse aggregates with 0, 20, 25, and 30% percentages ...  Read More ...
Modeling of Arc Metal Welding Process of Low Carbon Steel (304)
Modeling of Arc Metal Welding Process of Low Carbon Steel (304)

Majid Hameed Abdul Majeed

Volume 32, Issue 3 , March 2014, , Page 643-652

https://doi.org/10.30684/etj.32.3A.7

Abstract
  This work includes an investigation of the effect and optimization of welding parameters on the tensile strength in the arc metal welding process. The experimental studies were conducted ...  Read More ...
Creep Behavior in Fiber-Reinforced Epoxy (DGEBA) Composites
Creep Behavior in Fiber-Reinforced Epoxy (DGEBA) Composites

Lubna Ghalib

Volume 31, 1A , January 2013, , Page 12-25

https://doi.org/10.30684/etj.2013.71192

Abstract
  The composite material was prepared by reinforcing the epoxy with E-glass fiber. The creep and flextural test were measured in this work for one and two layer of E-glass fiber with ...  Read More ...
The influence of the temperature on the ultimate tensile strength of the composite materials at constant Fiber volume fraction
The influence of the temperature on the ultimate tensile strength of the composite materials at constant Fiber volume fraction

Hussain J. Al-alkawi; Dhafir S. Al-Fattal; Abdul-jabar H. Ali

Volume 30, Issue 11 , June 2012, , Page 1935-1947

https://doi.org/10.30684/etj.30.11.8

Abstract
  The aim of this work is to study the influence of the temperature on the ultimate tensile strength (UTS) of composite material which is manufactured from polyester and E-glass (woven ...  Read More ...
Mechanical and Tribological Behavior of Glass- Polyester Composite System under Graphite Filler Content
Mechanical and Tribological Behavior of Glass- Polyester Composite System under Graphite Filler Content

Farag M. Mohammed; Drai A. Smait

Volume 30, Issue 4 , February 2012, , Page 672-683

https://doi.org/10.30684/etj.30.4.13

Abstract
  Experimental investigations had been done in this work to demonstrate the effect of graphite filler contents on the mechanical and tribological behavior of (30% volume fraction) glass-polyester ...  Read More ...
Effect of Fibers on Some Engineering Properties of Cement and Lime Stabilized Soils
Effect of Fibers on Some Engineering Properties of Cement and Lime Stabilized Soils

Suhail A. Khattab; Ibrahim M. Al-Kiki; Abderrahmane H. Al-Zubaydi

Volume 29, Issue 5 , March 2011, , Page 886-905

https://doi.org/10.30684/ etj.29.5.6

Abstract
  Recently, many attempts were made to use metal fiber reinforcements to improve some soil properties. In this research, the effects of fibers on the compaction and mechanical properties ...  Read More ...
Effect of Additives Types and Contents on the Properties of Stone Matrix Asphalt Mixtures
Effect of Additives Types and Contents on the Properties of Stone Matrix Asphalt Mixtures

Qais S. Kareem; Ahmed I. Ahmed; Noor M. Asmael

Volume 28, Issue 21 , October 2010, , Page 6414-6426

https://doi.org/10.30684/etj.28.21.16

Abstract
  Stone Matrix Asphalt (SMA) is a gap-graded mix that is gaining popularity worldwide. SMA does not application in Iraq; in order for adopt the use of SMA mixtures particularly on high ...  Read More ...
Using of Taguchi Method to Optimize the Casting of Al–Si /Al2O3 Composites
Using of Taguchi Method to Optimize the Casting of Al–Si /Al2O3 Composites

Osama S. Muhammed; Haitham R. Saleh; Hussam L. Alwan

Volume 27, Issue 6 , April 2009, , Page 1143-1150

https://doi.org/10.30684/etj.27.6.12

Abstract
  Taguchi method is a problem – solving tool which can improve the performanceof the product, process design and system. This method combines the experimental andanalytical concepts ...  Read More ...