Thermal Conductivity Optimization of Porous Alumina Ceramics via Taguchi Model 119 Views
Test variables were performed for the thermal conductivity studies-weight per cent of a pore-forming agent (yeast), sintering temperature, and soaking time. Through implementing the experimental design using the Taguchi method for thermal conductivity of porous alumina was statistically analyzed.
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Optimizing the Properties of Metakaolin-based (Na, K)-Geopolymer Using Taguchi Design Method 122 Views
In this study, the influence of different alkaline activators (Na and K) on the mechanical and thermal behaviors of metakaolin-based geopolymer was investigated.
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Utilizing the cold sintering process for sintering the thermally decomposable lead dioxide 334 Views
This work reports, for the first time, the sintering of the thermally decomposable lead dioxide at a temperature lower than 290 °C. Such low-temperature processing is necessary to avoid the transformation of the conductive lead dioxide to the non-conductive lead oxides via the well-known thermal decomposition processes of lead oxides
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Synthesis of meso?macro alumina using yeast cells as a biotemplate and optimization using a genetic algorithm 342 Views
Alumina powder synthesis was achieved by a low cost process (recrystallisation of alum)
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Prediction of Some Physical and Mechanical Properties of Bioceramics through Using Genetic Algorithm Approach 516 Views
In this work, physical properties such as ( density and porosity) and mechanical properties such as (impact strength, tensile strength, elastic modulus, elongation at break and hardness) of biocomposite are predicted by developing model using genetic algorithm (GA) technique and regression equation
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Synthesis of Gamma Alumina for Catalyst Support Using Yeast Cell as Pore Forming Agent using Regression Model 477 Views
The weight percentage of yeast cell added to prepare of porous gamma alumina are (5%, 10%, 15% and 20%) and the gel casting method was used for preparation of porous gamma alumina
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Prediction of Some Physical and Mechanical Properties of Bioceramics through Using Genetic Algorithm Approach 259 Views
. In this work, physical properties such as ( density and porosity) and mechanical properties such as (impact strength, tensile strength, elastic modulus, elongation at break and hardness) of biocomposite are predicted by developing model using genetic algorithm (GA) technique and regression equation
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Synthesis of Gamma Alumina for Catalyst Support Using Yeast Cell as Pore Forming Agent using Regression Model 246 Views
?-alumina. The weight percentage of yeast cell added to prepare of porous gamma alumina are (5%, 10%, 15% and 20%)
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Synthesis of Gamma Alumina for Catalyst Support Using Yeast Cell as Pore Forming Agent using Regression Model 646 Views
The weight percentage of yeast cell added to prepare of porous gamma alumina are (5%, 10%, 15% and 20%) and the gel casting method was used for preparation of porous gamma alumina
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Optimization of the physical properties of barium titanates using a genetic algorithm approach 718 Views
The aim of the current work is to control the values of the processing parameters to produce the optimum density, porosity, firing shrinkage, and green density of BaTiO3. A genetic algorithm was used to fulfill this aim.
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Preparation of Macro- Porous Alumina via Organic Additive and Characterizations Physical Properties by Using a Genetic Algorithm Method 765 Views
alumina powder synthesis by sol-gel method using Al (NO3)3_9H2O and ammonia, then it uses as raw material to produce a porous alumina bodies.
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Preparation of Barium Titanates with Different Particle Size Distribution Using Modified Pechini Method 1110 Views
In the current study, five different batches of barium titanate powders were prepared by modifiedpechini method using the barium chloride and the titanium chloride as a starting materials in order to obtain different particle size distributions.SEM, TGA, DTA, XRD, FTIR, and other techniques have been used to characterize the prepared samples
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Preparation of Hydroxyapatite and Bioactive Glass Ceramic to Get Biocomposite by Using a Genetic Algorithm Method 930 Views
hydroxyapatite was prepared synthetically by the sol-gel approach. The precursors used were calcium nitrate tetrahydrate and di-ammonium hydrogen phosphate. The bioactive glass ceramic was obtained by melt derived process. Particle size analyzer was used to determine the size of the prepared powders and XRD have been used to characterize the prepared powder phases and the crystallites size
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PREPARATION OF MACRO- POROUS ALUMINA VIA ORGANIC ADDITIVE AND CHARACTERIZATIONS PHYSICAL PROPERTIES BY USING A GENETIC ALGORITHM METHOD 873 Views
The exhibited work is focused on the preparation of alumina based porous ceramics and its characterizations. Alumina ceramic with Macro - porous size and control of pore morphology was prepared by semi-dry pressing method via using organic yeast cell for pore forming
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Preparation of Parium Titanates With Different Particle Size Distribution Using Modified Pechini Method 792 Views
In the current study, five different batches of barium titanate powders were prepared by modifiedpechini method using the barium chloride and the titanium chloride as a starting materials in order to obtain different particle size distributions.SEM, TGA, DTA, XRD, FTIR, and other techniques have been used to characterize the prepared samples
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The Role of Knowledge Systems in Corporate Decision Making Process: an Empirical Investigation 691 Views
Create a conceptual model based on the literature review, and data analysis within the companies via harnessing the concept of KS as an essential element in the creation of sustainable competitive advantage for the companies
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Development of Green Gel Casting Technique for the Manufacturing of YSZ Ceramics Through Using Statistical Model 741 Views
The aim of the current work is to develop a green method for the manufacturing of YSZ by the gel casting.
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The Role of Knowledge Systems in Supporting Environmental Decision Making Systems 724 Views
This research aims to harness the concept of knowledge systems as an essential element in the dissemination of an organisation s knowledge to support planning, analysis and environmental decision-making systems that could improve some types of environmental systems
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Study of the relation between types of the quality costs and its impact on productivity and costs: a verification in manufacturing industries 755 Views
This research seeks to highlight the concept of quality control (QC) and quality costs as essential elements which are the rudiments controlling the survival of organisations in the marketplace.
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PREPARATION OF BARIUM TITANATES WITH DIFFERENT PARTICLE SIZE DISTRIBUTION THROUGH USING MODIFIED PECHINI METHOD 690 Views
In the current study, five different batches of barium titanate powders were prepared by modified pechini method using the barium chloride and the titanium chloride as a starting materials in order to obtain different particle size distributions
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OPTIMIZE OF THE MECHANICAL AND PHYSICAL PROPERTIES OF HA/?-TCP SCAFFOLD BY USING GENETIC ALGORITHM METHOD 643 Views
HA/?-TCP scaffold has prepared by using sacrificial method via use of the particle of polymer (PEG) as poregen
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Empirical Investigation for Diagnosis of Knowledge Gaps: A Case Study in Industrial Companies 613 Views
the study argues that this problem is leading to important gaps in understanding and identifying the conditions and the needs required for KM systems (KMS)
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Engineering Quality and Knowledge Systems: An Appraisal for Improving the Spinning Stage 567 Views
In this study, the use of quality control engineering and Taguchi’s function methods in determining these properties and the loss caused by the company will be examined
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The Role of Companies in Accomplishing Environmental Sustainability Engineering 471 Views
the study applies input–output life-cycle assessment (IO-LCA) in combination with a simulation of company-specific environmental performance.
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Integration between Engineering and Knowledge Systems: Evaluation of Performance of a Wastewater Treatment Plant in a Textile Company 477 Views
find an appropriate method of treating the industrial wastewater so as to render it fit for reuse or safe to be disposed of as stipulated by the Iraqi laws on effluent disposal
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Preparation of HA/?-TCP scaffold and mechanical strength optimization using a genetic algorithm method 448 Views
The scaffold was prepared by sacrificial method via mixing calcium phosphate powder with polymeric powder Polyethylene Glycol (PEG).
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