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Fabrication and Analysis of Denture Plate Using Single Point Incremental Sheet Forming

Incremental sheet forming (ISF) is a metal forming technology in which small incremental deformations determine the final shape. The sheet is deformed by a hemispherical tool that follows the required shape contour to deform the sheet into the desired geometry. In this study, single point incremental sheet forming (SPIF) has been implemented in dentistry to manufacture a denture plate using two types of stainless steel, 304 and 316L, with an initial thickness of 0.5mm and 0.8mm, respectively. Stainless steel was selected due to its biocompatibility and reasonable cost. A three-dimensional (3D) analysis procedure was conducted to evaluate the manufactured part's geometrical accuracy and thickness distribution. The obtained results confirm the capability of SPIF to produce thin-walled biomedical components with satisfactory dimensional accuracy, as geometrical deviations between the developed and the actual models are predominantly in the range of ±0.25mm.

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Publication Date
Tue Jan 01 2019
Journal Name
Journal Of Craniofacial Surgery
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Publication Date
Thu Jun 01 2006
Journal Name
Journal Of Accounting And Financial Studies ( Jafs )
أﻫﻤﯿﺔ ﻤراﻋﺎة ﺒﻌض اﻟﻤﻔﺎﻫﯿم اﻟﺴﻠوﻛﯿﺔ واﻻﻟﺘزام باﻟﻤﺒادئ اﻟﻤﺤﺎﺴﺒﯿﺔ ﻟزﯿﺎدة ﻓﺎﻋﻠﯿﺔ ﻋﻤﻠﯿﺔ اﻟﻔﺤص اﻟﻀريبي

ﺘﻌد ﻤﻬﻤﺔ اﻟﻔﺤص اﻟﻀرﯿﺒﻲ وظﯿﻔﺔ ﺘﻘﯿﯿم ﻟﻬﺎ ﺒﻌض اﻟﺠواﻨب اﻟﻤﺴﺘﻘﻠﺔ واﻟﻔﺎﻋﻠﺔ داﺨل اﻹدارات اﻟﻀرﯿﺒﯿﺔ ﯿﺘوﻻﻫﺎ اﻟﻤﺨﻤن واﻟﻤدﻗق ﻟﻔﺤص وﻤراﺠﻌﺔ ﻛﺎﻓﺔ اﻷﻨﺸطﺔ اﻟﻤﺎﻟﯿﺔ ﻟﻠﻤﻛﻠﻔﯿن اﻟﺨﺎﻀﻌﯿن ﻟﻀرﯿﺒﺔ اﻟدﺨل ﺒدأ ﻤن اﻟﺤرف واﻟﺼﻨﺎﺌﻊ واﻟﻤﻬن ﺤﺘﻰ اﻟﺸرﻛﺎت ( أﺸﺨﺎص واﻤوال.
وﻨﺘﯿﺠﺔ ﻻﺘﺴﺎع أﻋﻤﺎل اﻟﺸرﻛﺎت وﺘﻌﻘد ﻋﻤﻠﯿﺎﺘﻬﺎ واﻟﺘطور اﻟﻛﺒﯿر ﻓﻲ اﺴﺘﺨدام اﻟﺤﺎﺴﺒﺎت

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Publication Date
Sun Oct 30 2022
Journal Name
Iraqi Journal Of Science
An Internet of Things Botnet Detection Model Using Regression Analysis and Linear Discrimination Analysis

The Internet of Things (IoT) has become a hot area of research in recent years due to the significant advancements in the semiconductor industry, wireless communication technologies, and the realization of its ability in numerous applications such as smart homes, health care, control systems, and military. Furthermore, IoT devices inefficient security has led to an increase cybersecurity risks such as IoT botnets, which have become a serious threat. To counter this threat there is a need to develop a model for detecting IoT botnets.

This paper's contribution is to formulate the IoT botnet detection problem and introduce multiple linear regression (MLR) for modelling IoT botnet features with discriminating capability and alleviatin

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Publication Date
Mon Mar 29 2021
Journal Name
Journal Of Engineering
Effluent quality assessment of sewage treatment plant using principal component analysis and cluster analysis

Sewage water is a mixture of water and solids added to water for various uses, so it needs to be treated to meet local or global standards for environmentally friendly waste production. The present study aimed to analyze the new Maaymyrh sewage treatment plant's quality parameters statistically at Hilla city. The plant is designed to serve 500,000 populations, and it is operating on a biological treatment method (Activated Sludge Process) with an average wastewater inflow of 107,000m3/day. Wastewater data were collected daily by the Mayoralty of Hilla from November 2019 to June 2020 from the influent and effluent in the (STP) new in Maaymyrh for five water quality standards, such as (BOD5), (COD), (TSS), (TP)

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Publication Date
Tue Jul 17 2018
Journal Name
International Journal Of Adaptive Control And Signal Processing
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Publication Date
Fri Nov 24 2023
Journal Name
Iraqi Journal Of Science
Influence of Thermal Radiation and MHD on the Boundary Layer Flow Due to an Exponentially Stretching Sheet

In this paper, the effect of thermal radiation and magnetic field on the boundary layer flow and heat transfer of a viscous fluid due to an exponentially stretching sheet is proposed. The governing boundary layer equations are reduced to a system of ordinary differential equations. The homotopy analysis method (HAM) is employed to solve the velocity and temperature equations.

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Publication Date
Tue Jan 08 2019
Journal Name
Iraqi Journal Of Physics
Simulation and experimental study of Pin-Plate DC discharge plasma technique

The present work intends to study of dc glow discharge were generated between pin (cathode) and a plate (anode) in Ar gas is performed using COMSOL were used to study electric field distribution along the axis of the discharge and also the distribution of electron density and electron temperature at constant pressure (P=.0.0mbar) and inter electrode distance (d=4 cm) at different applied voltage for both pin cathode system and plate anode and comparison with experimental results.

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Publication Date
Tue Nov 19 2024
Journal Name
Journal Of Baghdad College Of Dentistry
The effect of plasma treatment on shear bond strength of soft denture liner with two different types of denture base material (heat cure and light cure)

Background: In this study we evaluate the effect of plasma treatment (oxygen and argon) gas in two different exposure times on the surface of heat cure and light cure acrylic resin. Materials and method: 100 specimens of heat cure and light cure acrylic resin were fabricated. The measurements of the samples were (75mm, 25mm and 4.5mm) length, width and depth respectively with stopper of 3mm depth. Two types of gas used oxygen and argon in (5,10) min by using (DC-glow discharge plasma device) then we apply cold cure soft lining material, with the help of Instron machine we test the shear stress value. Results: A highly significant effect after argon and oxygen gases treatment in both 5 and 10 min exposure times on shear bond strength to soft

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Publication Date
Thu Sep 13 2018
Journal Name
Baghdad Science Journal
Synthesis and Fabrication of In2O3: CdO Nanoparticles for NO2 Gas Sensor

The physical and morphological characteristics of porous silicon (PS) synthesized via gas sensor was assessed by electrochemical etching for a Si wafer in diluted HF acid in water (1:4) at different etching times and different currents. The morphology for PS wafers by AFM show that the average pore diameter varies from 48.63 to 72.54 nm with increasing etching time from 5 to 15min and from 72.54 to 51.37nm with increasing current from 10 to 30 mA. From the study, it was found that the gas sensitivity of In2O3: CdO semiconductor, against NO2 gas, directly correlated to the nanoparticles size, and its sensitivity increases with increasing operating temperature.

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Publication Date
Thu Jun 15 2023
Journal Name
International Journal Of Nanoscience
Fabrication and Enhancement of Organic Photodetectors Based on Iron Phthalocyanine Films

Iron–phthalocyanine (FePc) organic photoconductive detector was fabricated using pulsed laser deposition (PLD) technique to work in ultraviolet (UV) and visible regions. The organic semiconductor material (iron phthalocyanine) was deposited on n-type silicon wafer (Si) substrates at different thicknesses (100, 200 and 300) nm. FePc organic photoconductive detector has been improved by two methods: the first is to manufacture the detector on PSi substrates, and the second is by coating the detector with polyamide–nylon polymer to enhance the photoconductivity of the FePc detector. The current–voltage (I–V) characteristics, responsivity, photocurrent gain, response time and the quantum efficiency of the fabricated photoconduc

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