Engineering and Technology Journal

Keywords = Steel

Number of Articles: 8
Study the Effect of Surface and Internal Heat Treatment on Mechanical Properties of C40 Steel Alloy
Study the Effect of Surface and Internal Heat Treatment on Mechanical Properties of C40 Steel Alloy

lamyaa kalel; Ahlam Abd Alamer Al khafaji; Sabah N. Mahmood

Volume 32, Issue 4 , May 2014, , Page 922-931

https://doi.org/10.30684/etj.32.4A.9

Abstract
  The research aims to study the effect of quenching, tempering and laser surface treatment on the mechanical properties of C40 steel. The steel specimens were heated to a temperature ...  Read More ...
Wear Performance of a Laser Surface Hardened ASTM 4118 Steel
Wear Performance of a Laser Surface Hardened ASTM 4118 Steel

Assifa M. Mohamad

Volume 31, Issue 17 , October 2013, , Page 3235-3244

https://doi.org/10.30684/etj.31.17A.2

Abstract
  In this investigation ASTM 4118 steel was treated by using pulse Nd: YAG laser with wave length 1064nm and pulse duration 100ns. In order to assess the new tribological properties of ...  Read More ...
Experimental Behavior of Circular Steel Tubular Columns Filled with Self-Compacting Concrete under Concentric Load
Experimental Behavior of Circular Steel Tubular Columns Filled with Self-Compacting Concrete under Concentric Load

Saad N. Sadik; Wael S. Abdul-Sahib; Ammar A. Ali

Volume 31, Issue 14 , September 2013, , Page 2760-2772

https://doi.org/10.30684/etj.2013.83259

Abstract
  This paper presents an experimental study on the behavior of circular, concretefilled,steel tube (CFT) columns concentrically loaded in compression to failure. Selfcompactingconcrete ...  Read More ...
Neural NetworkModeling of Oxidation Kinetics in Air of Steel-T21 Alloy Coated by Simultaneous Germanium-Doped Aluminizing-Silicon zing Process
Neural NetworkModeling of Oxidation Kinetics in Air of Steel-T21 Alloy Coated by Simultaneous Germanium-Doped Aluminizing-Silicon zing Process

Abbas Khammas; Mohanned M. H.AL-Khafaji

Volume 31, 4A , April 2013, , Page 632-645

https://doi.org/10.30684/etj.31.4A.3

Abstract
  In this work a pack cementation of germanium-doped aluminum and silicon coatings on low alloy steel type-T21 has been applied. This gives significant improvement in the oxidation. Steel-T21 ...  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 ...
Effect of Laser Surface Treatment on Mechanical Properties of CK45 Steel
Effect of Laser Surface Treatment on Mechanical Properties of CK45 Steel

Sabah N. mahmood; Khansaa Dawood Selman

Volume 29, Issue 8 , June 2011, , Page 1610-1618

https://doi.org/10.30684/ etj.29.8.15

Abstract
  The research aims to study the effect of laser surface treatment on mechanical properties of CK45 steel which is widely used in Bolts, Axles Various,Connecting Rods and Hydraulic clamps. ...  Read More ...
Analysis Up To Failure Of Straight And Horizontally Curved Composite Precast Beam And Cast-In-Place Slab With Partial Interaction
Analysis Up To Failure Of Straight And Horizontally Curved Composite Precast Beam And Cast-In-Place Slab With Partial Interaction

Husain M. Husain; Mohammed J. Hamood; Alaa Adnan Hafez

Volume 27, Issue 12 , September 2009, , Page 2277-2289

https://doi.org/10.30684/etj.27.12.4

Abstract
  In this study, a nonlinear three-dimensional finite element analysis has beenused to predict the load-deflection behavior of horizontally curved compositebeams of concrete slab and ...  Read More ...
Oxidation Properties of Steel-T22 Alloy Coated by Simultaneous Ge-Doped 699 Chromizing-Siliconizing Process
Oxidation Properties of Steel-T22 Alloy Coated by Simultaneous Ge-Doped 699 Chromizing-Siliconizing Process

Ahmed A. Moosa

Volume 26, Issue 6 , June 2008, , Page 699-709

https://doi.org/10.30684/etj.29.6.11

Abstract
  Diffusion coating was carried out at 1050 oC for 6 h under argon atmosphere bysimultaneous Ge-doped chromizing-siliconizing process on low alloy steel type-T22.Cyclic oxidation tests ...  Read More ...