ﻣﺤﻀﺮة ﺑﻄﺮﻳﻘﺔ اﻟﺮش ﺑﺎﻟﺒﻼزﻣﺎAl-SiCدراﺳﺔ ﺳﻠﻮك اﻟﺒﻠﻰ ﻟﻄﺒﻘﺔ ﻃﻼء
ﻣﺤﻀﺮة ﺑﻄﺮﻳﻘﺔ اﻟﺮش ﺑﺎﻟﺒﻼزﻣﺎAl-SiCدراﺳﺔ ﺳﻠﻮك اﻟﺒﻠﻰ ﻟﻄﺒﻘﺔ ﻃﻼء

هيثم رزوقي صالح

Volume 26, Issue 1 , January 2008, Page 1-9

https://doi.org/10.30684/etj.26.1.8

Abstract
  Due to the importance of aluminum alloys in different industrialapplications because of their light weight and maintaining their highresistance to corrosion, attention is focused on ...  Read More ...
Nonlinear Finite Element Analysis of High Strength Fiber Reinforced Concrete Corbels
Nonlinear Finite Element Analysis of High Strength Fiber Reinforced Concrete Corbels

Maha Mohammed Saeed Ridha

Volume 26, Issue 1 , January 2008, Page 1-15

https://doi.org/10.30684/etj.26.1.1

Abstract
  This research work presents a nonlinear fini te elementinvestigation on the behavior of high strength fiber reinforced concretecorbels. This investigation is carried out in order to ...  Read More ...
Prepare and study the magnetic properties of compacted (Fe1-xCox)
Prepare and study the magnetic properties of compacted (Fe1-xCox)
Volume 26, Issue 1 , January 2008, Page 10-27

https://doi.org/10.30684/etj.26.1.9

Abstract
  The manufacturing of electrical converter using powder-metallurgy can beconsidered as acomplex-subject due to the several variables which includefor examples, selection of raw materials, ...  Read More ...
Effect of Forming Methods on the Properties of Controlled Porous Ceramics
Effect of Forming Methods on the Properties of Controlled Porous Ceramics

Wafaa Abdulkhliq Al-Rawi; Hadi Salman Al-Lami

Volume 26, Issue 1 , January 2008, Page 16-28

https://doi.org/10.30684/etj.26.1.2

Abstract
  Two methods of forming, namely, semi-dry press and slip casting were used tofabricate porous ceramics from local raw materials, kaolin and silica. Differentwt.% of aluminum-zinc mixture ...  Read More ...
Effect Of Applied Load On Wear Behavior Of Some Copper Alloys
Effect Of Applied Load On Wear Behavior Of Some Copper Alloys
Volume 26, Issue 1 , January 2008, Page 28-36

https://doi.org/10.30684/etj.26.1.10

Abstract
  This research devoted to studying the properties of sliding wear ofthree groups of copper alloys chosen to this study. They are Brass (70/30),Silicon bronze and Silicon-Brass. These ...  Read More ...
Design Modification in a Multi-stage Deep Drawing Process
Design Modification in a Multi-stage Deep Drawing Process

Waleed Khalid Jawad

Volume 26, Issue 1 , January 2008, Page 29-44

https://doi.org/10.30684/etj.26.1.3

Abstract
  In this research an analysis of multi-stage deep drawing process is carried outfor process design of cylindrical cup drawing with large drawing ratio ( β = 3.416).A three stage ...  Read More ...
Modeling of Stress-Strain Relationship for Fibrous Concrete Under Cyclic Loads
Modeling of Stress-Strain Relationship for Fibrous Concrete Under Cyclic Loads

Bayar J. Al-Sulayfani; Hatim T. Al-Taee

Volume 26, Issue 1 , January 2008, Page 45-54

https://doi.org/10.30684/etj.26.1.4

Abstract
  A mathematical model to predict the stress–strain behavior of fibrous concrete compositesunder random cyclic compressive loadings is developed. The envelopeunloading strain is ...  Read More ...
Studying the Effect of Punch Nose Radius on Deep Drawing Operation
Studying the Effect of Punch Nose Radius on Deep Drawing Operation

Waleed K.Jawad; Jamal H.Mohamed

Volume 26, Issue 1 , January 2008, Page 55-73

https://doi.org/10.30684/etj.26.1.5

Abstract
  This work aims to study the effect of varying punch nose radius used in deepdrawing operation, on produced cup wall thickness, stress and strain distributionacross the wall of the drawn ...  Read More ...
Laminar Natural Convection of Newtonian and Non – Newtonian Fluids in a Square Enclosure
Laminar Natural Convection of Newtonian and Non – Newtonian Fluids in a Square Enclosure

Alaa A. Mahdi; Tahseen Ali Hussian; Nabeel Mohammed Jassim

Volume 26, Issue 1 , January 2008, Page 74-91

https://doi.org/10.30684/etj.26.1.6

Abstract
  In this investigation, steady two – dimensional natural convection heattransfer of Newtonian and non-Newtonian fluids inside square enclosure has beenanalyzed numerically for ...  Read More ...
Design and Simulation of Broadband Rectangular Microstrip Antenna
Design and Simulation of Broadband Rectangular Microstrip Antenna

Adil Hameed Ahmad; Basim Khalaf Jaralla

Volume 26, Issue 1 , January 2008, Page 92-110

https://doi.org/10.30684/etj.26.1.7

Abstract
  In this work, many techniques are suggested and analyses forrectangular microstrip antenna (RMSA) operating in X-band for 10 GHzcenter frequency. These approaches are: lowering quality ...  Read More ...