Mathematical Model of Autoclave Curing of Epoxy Resin Based Composite Materials
Mathematical Model of Autoclave Curing of Epoxy Resin Based Composite Materials

A. Abdul Razak dnan; J. Salah Najat; Sh. Majdi Hassen

Volume 25, Issue 7 , September 2007, Page 828-835

https://doi.org/10.30684/etj.25.7.2

Abstract
  Polymer matrix composites using thermosetting resins as the matrix are increasingly finding use in several applications. Process modeling describing the governing curing has played ...  Read More ...
Improvement of Thermal Properties for Binary Systems PVFPh, PVF-B by Addition of Silicon Carbide
Improvement of Thermal Properties for Binary Systems PVFPh, PVF-B by Addition of Silicon Carbide

A. Abbas Mohammed

Volume 25, Issue 7 , September 2007, Page 836-848

https://doi.org/10.30684/etj.25.7.3

Abstract
  Two binary systems of (PVF-Ph and PVF-B) were prepared at specificconditions, and then thermal properties were improved by addition of a ceramicmaterial (SiC).A different mixing ratio ...  Read More ...
Effect of Zn% and Thermomechanical Treatments on the Mechanical Properties of Al-Zn-Mg Alloys
Effect of Zn% and Thermomechanical Treatments on the Mechanical Properties of Al-Zn-Mg Alloys

H. Ataiwi Ali

Volume 25, Issue 7 , September 2007, Page 849-862

https://doi.org/10.30684/etj.25.7.4

Abstract
  The aging kinetics and the coupling between plastic deformation andsubsequent aging on a set of Al-Zn-Mg alloys having different Zn-content(6.33%, 7%, 7.5% and 8%) are investigated. ...  Read More ...
Computer Aided Design and Modeling of FCCU Processing Iraqi Feed Stock
Computer Aided Design and Modeling of FCCU Processing Iraqi Feed Stock

K. Ibrahim Neran; H. Khazaal Shayma

Volume 25, Issue 7 , September 2007, Page 863-878

https://doi.org/10.30684/etj.25.7.5

Abstract
  The relationships between the process variables for a Fluid Catalytic Cracking unit (FCCU), processing vacuum gas oil (VGO) feedstock from Kirkuk crude oil, were studied depending on ...  Read More ...
The Effect of Cutting Tool Vibration on Surface Roughness of Workpiece in Dry Turning Operation
The Effect of Cutting Tool Vibration on Surface Roughness of Workpiece in Dry Turning Operation

Y. Kassab afeen; K. Khoshnaw Younis

Volume 25, Issue 7 , September 2007, Page 879-889

https://doi.org/10.30684/etj.25.7.6

Abstract
  his study is to find a correlation between surface roughness and cutting tool vibration in turning. The ranges of process cutting parameters in the present study are limited: cutting ...  Read More ...
Gain Characteristics of Silicon Transistor Treated by Laser
Gain Characteristics of Silicon Transistor Treated by Laser

O. Mahdi Rana

Volume 25, Issue 7 , September 2007, Page 890-896

https://doi.org/10.30684/etj.25.7.7

Abstract
  In this work, profiles of laser-induced diffusion of arsenic in silicon arepresented. These profiles are considered to attempt increasing of the currentgain of silicon transistors. ...  Read More ...
Cumulative Damage in Fatigue of a Structure Subjected to Random Loading
Cumulative Damage in Fatigue of a Structure Subjected to Random Loading

Karim Muhsin Kadhim

Volume 25, Issue 7 , September 2007, Page 897-917

https://doi.org/10.30684/etj.25.7.8

Abstract
  When a structure is subjected to a random loading, its dynamic response changes, characterized by shifts in the eigenvalues and modification of eigenvectors. The peaks in the dynamic ...  Read More ...
Improving Oxidation Resistance of Stainless Steel (AISI 316L) by Pack Cementation
Improving Oxidation Resistance of Stainless Steel (AISI 316L) by Pack Cementation

Ali Moosa Ahmad; Khedeir Abbas Muna; Mohammed Rajab

Volume 25, Issue 7 , September 2007, Page 918-939

https://doi.org/10.30684/etj.25.7.9

Abstract
  The cyclic oxidation resistance of austenitic stainless steel (AISI 316L) can be improved by enriching the surface composition in Al and Si using pack cementation process. In this work, ...  Read More ...
Effect of Window Over-Hang in Iraqi Building on Cooling Load
Effect of Window Over-Hang in Iraqi Building on Cooling Load

Farag Antwan Nazar

Volume 25, Issue 7 , September 2007, Page 940-949

https://doi.org/10.30684/etj.25.7.10

Abstract
  A study is done on an Iraqi building to estimate and show how the use ofover hang reduces the cooling load. The study shows how the effectiveness ofover hang is affected by the orientation ...  Read More ...
دراسة خواص الزحف للمواد المتراكبھ ذات أساس (Al-Mg-Si) مقواة بدقائق من كربید السلیكون
دراسة خواص الزحف للمواد المتراكبھ ذات أساس (Al-Mg-Si) مقواة بدقائق من كربید السلیكون
Volume 25, Issue 7 , September 2007

https://doi.org/10.30684/etj.25.7.1

Abstract
  The aim of this work is to study the deformation behavior of (Al-Mg-Si) alloy reinforced with silicon carbide at elevated temperature under creep.       In this ...  Read More ...