Mathematical Model of Properties and Experimental Fatigue Investigation at Elevated Temperatures of Functionally Gradient Materials
Mathematical Model of Properties and Experimental Fatigue Investigation at Elevated Temperatures of Functionally Gradient Materials

Ziadoon M.R Al-hadrayi; Ahmed N. Al-Khazraji; Ahmed A. Shandookh

Volume 41, Issue 7 , July 2023, , Page 940-953

https://doi.org/10.30684/etj.2023.137509.1352

Abstract
  Fatigue that occurs at elevated temperatures is called thermal fatigue. High temperatures and cycling loads cause thermal fatigue that can cause component failures. In this paper, induced ...  Read More ...
One Parameter Composite Semigroups of Linear Bounded Operators in Strong Operator Topology of Schatten Class Cp
One Parameter Composite Semigroups of Linear Bounded Operators in Strong Operator Topology of Schatten Class Cp

Samir Kasim Hassan; Al-Taie M; Al-Malki Anam; Al-Attar Abeer; Mustafa Khaleel Ismael; Fatema Ahmed Sadeq; Radhi A .Zboon; Jehad R.Kider; Samir K .Hassan; Hussain J. M. Alalkawi; Raad H. Majid; Rawaa A. Alomairy; Luma Abdul Ghani Zghair; Hadia Kadhim J.Al-Ogili; Assifa M. Mohamad; Abbas Sheyaa Alwan; Haider L. Aneed; Assim H Yousif; Salema Sultan Salman; Abbas Hussien Miry; Abduladhem A.Ali; Mohammed Zeki Al-Faiz; Sabah N. mahmood; Khansaa Dawood Selman; Shaymaa Tareq Kadhim

Volume 29, Issue 8 , June 2011, , Page 1463-1470

https://doi.org/10.30684/ etj.29.8.2

Abstract
  For semigroups of linear bounded operators on Hilbert spaces, the problem of being in Cp , 0 Keywords  Read More ...
Behavior of Plain and High Performance Polypropylene Fiber Concrete Subjected to Elevated Temperatures
Behavior of Plain and High Performance Polypropylene Fiber Concrete Subjected to Elevated Temperatures

Luma Abdul Ghani Zghair

Volume 29, Issue 8 , June 2011, , Page 1517-1535

https://doi.org/10.30684/ etj.29.8.8

Abstract
  The aim of this work is to determine the residual compressive strength and splitting tensile strength after exposure to an elevated temperature (between100 to 500 C ◌ْ ) of plain ...  Read More ...
Effect of Elevated Temperature on Punching Shear of Regular and Irregular Shaped Self-Compacted Concrete Slabs
Effect of Elevated Temperature on Punching Shear of Regular and Irregular Shaped Self-Compacted Concrete Slabs

Luma Fadhil H

Volume 28, Issue 19 , September 2010, , Page 5893-5906

https://doi.org/10.30684/etj.28.19.8

Abstract
  The exposure of reinforced concrete slabs to high temperature causes changesin their structural behavior.This work aims to study the post-heating behavior of self compacted concrete(SCC) ...  Read More ...
Effect of Dual Reinforcement on Wear Resistance by Aluminum Compacts Reinforce by SiC, Al2O3
Effect of Dual Reinforcement on Wear Resistance by Aluminum Compacts Reinforce by SiC, Al2O3

Mohammed Saeed. Waheed; Hassan Hamed. Abed

Volume 27, Issue 13 , September 2009, , Page 423-429

https://doi.org/10.30684/etj.27.13.19

Abstract
  The producing composite materials of dual reinforcement in which the matrix material is aluminum reinforced with two types of ceramic particles : which are Alumina (50μmKeywordscomposite ...  Read More ...
Performance of Fiber Light-Weight Aggregate Concrete Exposed to Elevated Temperatures
Performance of Fiber Light-Weight Aggregate Concrete Exposed to Elevated Temperatures

Shakir A. Salih; Ali T. Jasim

Volume 27, Issue 13 , September 2009, , Page 2393-2410

https://doi.org/10.30684/etj.27.13.10

Abstract
  Two major problems arise when concrete is exposed to elevatedtemperatures. One is the deterioration in mechanical properties of concrete and the other problem is spalling of concrete. ...  Read More ...