Number of Articles: 20
Influence of Heat Treatment on Hardness And Microstructure of High Chromium Iron Alloy
Volume 28, Issue 6 , March 2010, Page 217-228
Abstract
This work deals with production of different sizes of grinding balls from high-Cr-iron alloy . Cr contents range between (14-16) wt% carbon content (2.1-2.4)wt% and Mo content (0.3-0.4)wt% ... Read More ...Friction Stir Welding Of Porous Al-Si Alloy
Volume 28, Issue 6 , March 2010, Page 229-243
Abstract
The aim of this research is to study the ability of joining porous (Al-Si) alloy tosolid Aluminum using Friction Stir Welding Method . The porous alloy is fabricateusing casting method ... Read More ...A Numerical And Experimental Study of Louvered Fin Heat Exchanger Performance
Volume 28, Issue 6 , March 2010, Page 1038-1049
Abstract
The louvered fin heat exchanger is a very widely used method to increase thecompact heat transfer coefficient on the air-side of condensers by adding fins andinitiating new boundary ... Read More ...Optical and Optoelectric Properties in PbCdS Ternary Thin Films Deposited by CBD
Volume 28, Issue 6 , March 2010, Page 1050-1060
Abstract
PbxCd1-xS films have been prepared in the composition range of 0.05£ x£0.25by using a chemical bath deposition growth technique under optimum conditionsto deposit good photo ... Read More ...A New Attack on NTRU Public Key Cryptosystem Depend on Using Public Key and Public Information
Volume 28, Issue 6 , March 2010, Page 1061-1072
Abstract
This paper proposed a new method to attack the NTRU cryptosystem [Hof00a,Hof98b]. It tried to exploit the public information about the parameters of NTRUcryptosystem and using the public ... Read More ...Cement Kilns Dust Management In Iraq
Volume 28, Issue 6 , March 2010, Page 1073-1093
Abstract
Hundred thousands tons of cement kiln dust (CKD) as well as other emissionsare generated annually from existing cement plants in Iraq with significanteconomic and environmental impacts. ... Read More ...Microstructural Modification of Al-base Composite by Friction Stir Processing
Volume 28, Issue 6 , March 2010, Page 1094-1105
Abstract
A novel surface modifying technique, Friction Stir Processing, is used toenhance mechanical properties of Al-Si / Al2O3 composite, through microstructural refinement and homogenization. ... Read More ...The Structural Properties of Thick Film of PbI2
Volume 28, Issue 6 , March 2010, Page 1106-1116
Abstract
Polycrystalline layers of Lead iodide have been prepared using a solution growthmethod on glass substrates for potential application to nuclear detection .This paperreports on their ... Read More ...Design And Implementation of Intelligent Soft- Start Controller For Induction Motor Controlled By VSI
Volume 28, Issue 6 , March 2010, Page 1117-1127
Abstract
This paper presents a practical implementation of the Fuzzy logic control toan electrical drive system. The hardware control circuits are divided into two groups,the first one is to ... Read More ...Theoretical Aspects of some Mechanical Properties of Composites
Volume 28, Issue 6 , March 2010, Page 1128-1143
Abstract
In the present wok, two mathematical models are constructed in orderto define the detailed nature of composite. The first one is based on theclassical Rule of Mixtures, (RoM) which ... Read More ...Hûta Method for Solving nth Order State-Space Equations of Nonlinear Continuous-Time Control Systems
Volume 28, Issue 6 , March 2010, Page 1144-1159
Abstract
The paper presents a proposed method with new algorithms written inMatlab language to find the numerical solution of nth order state-space equations(SSE's) of nonlinear continuous-time ... Read More ...Numerical Study of Solidification in Cavity with the Presence of Natural Convection
Volume 28, Issue 6 , March 2010, Page 1160-1168
Abstract
A study of Laminar two dimensional transient solidification with time –dependent natural convection in the melt is carried out. The mathematical modelfor the numerical simulation ... Read More ...Real Time Digital Speed Control System for DC Servo Motor Using LabVIEW 8.5 Package
Volume 28, Issue 6 , March 2010, Page 1169-1185
Abstract
This paper describes the design and implementation of a personal computerbased closed loop DC motor speed control system Using LabVIEW 8.5 Packagefor data manipulation and interface ... Read More ...Study the Adsorption Phenomena of Phenol from Industrial Wastewater using Commercial Powdered Activated Carbon by using Isotherm Models
Volume 28, Issue 6 , March 2010, Page 1186-1195
Abstract
Adsorption studies for phenol removal from aqueous solution onto commercialPowdered Activated Carbon were carried out. Batch kinetics and isotherm studieswere carried out under varying ... Read More ...The Inhibitive Effect of BTA on The Corrosion of Copper Rotating Cylinder Electrode in Oxygenated 0.1M H2SO4 Under Controlled Conditions of Mass Transfer
Volume 28, Issue 6 , March 2010, Page 1196-1208
Abstract
The inhibitive action of benzotrizole (BTA) on the corrosion of copper inoxygenated 0.1M sulfuric acid solution has been investigated using the rotatingcylinder electrode to provide ... Read More ...Preparing and Studying the Effect of HA and ZrO2 Addition on Fracture Strength of Dental Ceramic
Volume 28, Issue 6 , March 2010, Page 1209-1217
Abstract
This work aims at preparing and studying the effect of hydroxyapatite (HA)and zirconia (ZrO2) additions on some physical properties and fracture strength ofdental ceramic. In this work, ... Read More ...Numerical and Experimental Investigations of Welded Butt Joints of (AISI304)
Volume 28, Issue 6 , March 2010, Page 1218-1240
Abstract
Simulation of welding process (TIG or GTAW) of butt joint using finiteelement analysis is presented. The base metal is ST(304). The numerical modeldeveloped by include moving heat source, ... Read More ...Design and Simulation of A New Proposed Single-Slope Integrating Analog-to- Digital Converter System Based on Non-Linear Amplifiers
Volume 28, Issue 6 , March 2010, Page 1241-1252
Abstract
In this paper, a unipolar single-slope integrating analog-to-digitalconverter(ADC) is discussed, designed, and simulated, whereas, its conversiontime is less than that of the dual-slope ... Read More ...Shear Capacity of High-Strength Fiber Reinforced Concrete Beam-Column Joints
Volume 28, Issue 6 , March 2010, Page 1253-1266
Abstract
This work examines the work of 13 high-strength concrete (HSC) beamcolumnjoints (BCJ)-with and without steel fibers. Several shear design methods(with modification for fiber content, ... Read More ...Line Detection Using Radon Transform
Volume 28, Issue 6 , March 2010, Page 1267-1280