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Parametric Optimization of CO2 Mould Made of Reclaimed Sand for Better ...
the process parameter values. Hence there is a need to optimize the process parameters of CO 2 moulding process .Few of the earlier investigations on CO 2 process utilizing fresh silica sand [6] attempted in this direction but not considered the aspect of knockout property of the mould made of reclaimed CO 2 sand.To
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Acoustic Mirrors - dbt
With its performative form, engineered to create a spatial acoustic effect whilst being structurally optimized for efficient material use, the installation "Acoustic Mirrors" showcases the potential of computational design and large scale 3D for construction. The interdisciplinary project bridging physics and architecture consists of two 2 meter monolithic concave mirrors. These ...
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Optimization of Mechanical and Micro-structural Parameters of ... - Up
Sand molds are frequently used in foundry industries and largely responsible for providing surface defects. This study aims to optimize the levels of the molding process variables to minimize the occurrence of erosion surface defects in steel castings in silica sand molds chemically linked by cold cure process.
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Investigation and Optimization of Process Parameters Affecting the ...
He explains the various techniques and terms used in sand casting including procedure to cast a metal by sand casting and by metal casting process. Iyer,optimized process parameters of the green Sand castings to minimize casting defects. The optimized parameter levels are moisture content-5%, green strength-50% and Clay content- 5%.
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Rapid prototyping manufacturing of silica sand patterns based on ...
The optimized process parameters are as follows: electric current 1.0 A, scanning speed 650 mm/min, laser beam diameter 3 mm, overlapping 0.5 mm and powder mixture ratio 11:1. Sand patterns sintered with previous parameters are shown in Fig. 5. Download : Download full-size image Fig. 5. Sand patterns sintered by selective laser sintering. 4.
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CN103143676A - Selective laser sintering (SLS) sintering precoated sand ...
The sintering process is as follows: sand cores are fired under the conditions of a laser power 30 w and a preheating temperature 65 DEG C, a powder thickness of 0.3 mm, a scanning speed of 2000 mm/s and a scanning line spacing of 0.15 mm; a problem that the complex sand cores are hard to clean up caused by the heat collection effect is solved ...
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Thermal decomposition characteristics of foundry sand for cast iron in ...
3.3. Volatile release parameter of foundry sand. The volatile release parameter of foundry sand can be obtained based on the thermal decomposition process. To determine the starting temperature of volatile emission T s, the mass loss rate of the sample must be at least 0.1 mg min −1 .
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Optimization of Process Parameters of Wax Pattern in the ... -
Volumetric Shrinkage Volumetric shrinkage can be find out as follow [9]: 1) Firstly make the die leak proof. 2) After that fill the water in the die cavity and measure the volume of the water that...
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Research Article Process Parameters Optimization of Silica Sand ...
A er hours of milling, the silica sand was analyzed using Malvern Instruments Mastersizer particle size analyzer forparticlesizeandsizedistribution. 5. Parameters Optimization A er the experiments...
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Optimization of Process Parameters for Anti-Glare Spray Coating by ...
The process of preparing anti-glare thin films by spray-coating silica solgel to - soda-lime glass was exclusively and statistically studied in this paper. The effects of sol-gel deliver pressure, transport pressure, and air spraygun displacement speed on the gloss, haze, arithmetic mean surface roughness, and total transmittance light were
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Silica Processing & Handling Equipment - FEECO International Inc.
Silica, or silicon dioxide (SiO2), is a critical material in many applications, from glass and ceramics to cement and abrasives. But the very characteristics that make silica such an industrial success story also make it challenging to process if quality equipment is not selected. The hard, abrasive nature of silica demands heavy-duty equipment ...
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Optimization of Serial Modular Continuous Mixing Process Parameters for ...
The deep causes of performance changes caused by parameters were analyzed. Consequently, the best process condition and the ranking of the influencing factors for a certain performance was obtained. Furthermore, the best preparation process of natural rubber (NR)/carbon black/silica composite was achieved through comprehensive analysis.
WhatsApp:+8617329420102Quality improvement of a casting process using design of ... - SciELO
necessary to identify the process parameters related to the specific defects, but also it is necessary to identify ... The silica sand is bonded with clay and water to mold the sand. The silica sand can be used for a number of times but each time, it ... ter optimization were conducted using the Statgraphics Centurion V. 16 Statistical Software ...
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Choice of bed material: a critical parameter in the optimization of ...
gasification process. Within the investigations presented in this thesis, six naturally occurring materials were tested in the beds. Tests with silica sand, olivine sand, and bauxite were performed in the Chalmers 2-4-MW th gasifier. For each tested material, the process was evaluated with respect
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Simultaneous elimination of Malachite Green, Rhodamine B and Cresol Red ...
For optimization of the parameters affecting adsorption efficiency, it is very common to use one-factor-at-a-time (OFAT) method, in which all parameters are keeping constant while one factor is optimized. In this method, it is assumed that each parameter is completely independent of the others.
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Process Parameters Optimization of Silica Sand Nanoparticles ... - CORE
Process Parameters Optimization of Silica Sand Nanoparticles Production Using Low Speed Ball Milling Method . By Zulkhairi Rizlan and Othman Mamat. Cite . BibTex; Full citation; Publisher: 'Hindawi Limited' Year: 2014. DOI identifier: 10.1155/2014/802459. OAI identifier: Provided by: Crossref ...
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Sci-Hub | Parameter Optimization of Ball Milling Process for Silica ...
Sukanto, Soenoko, R., Suprapto, W., & Irawan, Y. S. (2019). Parameter Optimization of Ball Milling Process for Silica Sand Tailing. IOP Conference Series: Materials ...
WhatsApp:+8617329420102Optimization of Process Parameters of Wax Pattern in the ... - IJIRST
an attempt is made to determine the optimum set of process parameters using Taguchi method. It is one of the most important tool for studying the effect of various input process parameters. According to the Taguchi's design of experiment & range of process parameters, 4 process parameters with 3 levels i.e. L1, L2, L3 are made.
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Process Parameters Optimization of Silica Sand Nanoparticles ... - CORE
Process Parameters Optimization of Silica Sand Nanoparticles Production Using Low Speed Ball Milling Method . By Zulkhairi Rizlan and Othman Mamat. Cite . BibTex; Full citation; Publisher: Hindawi Limited. Year: 2014. DOI identifier: 10.1155/2014/802459. OAI identifier: Provided by: MUCC ...
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Optimization of Riser size of Aluminium alloy (LM6) castings by using ...
Optimization of Riser size of Aluminium alloy (LM6) castings by using conventional method ... design and process parameters in terms of material, weight, shape complexity, batch size and quality of a product. Decades of experience in manufacturing a variety ... Silica sand Bentonite clay Moisture Coal dust 86% 8% 5% 1%
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M.shunmugasundaram - Google Scholar
An experimental analysis and process parameter optimization on friction stir welded dissimilar alloys ... Characteristics of granite dust concrete with M− sand as replacement of fine aggregate composites. NK Amudhavalli, S Sivasankar, M Shunmugasundaram, AP Kumar ... Investigation on binder and concrete with fine grinded fly ash and silica ...
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SciELO - Brasil - Optimization Process Parameters of Equal Angular ...
Measurement. 2016;94:126-138. used Response Surface Methodology in optimizing the process parameters of Twist Extrusion process of aluminium. This study focused on investigation effects of extrusion mold characteristics and processing route on specimen mechanical homogeneity by means of experimental design.
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Response Surface Methodology and Genetic Algorithm in Optimization of ...
RSM optimization: The experimental design chosen for the RSM optimization is a CCD composed of a full factorial 2 4 (four factors, two levels), eight axial points and seven central points. The axial points were chosen by an α equal to 2.0, which makes this a rotatable design. The values of the input variables are coded as shown Table 3, in order to facilitate the data treatment and analysis.
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Parameter Optimization of Ball Milling Process for Silica Sand Tailing ...
The parameters used in the ball mill process are relatively large, however there are several parameters that have a significant effect on the reduction grain size produced. This experiment was designed using the Taguchi method to find the optimum parameters in the production process of mircoparticles silica sand tailing.
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Mechanical Milling of Tronoh Silica Sand Nanoparticles Using Low Speed ...
Abstract: Silica sand nanoparticles are widely used as filler, coating and reinforcer to increase materials strength and durability. The objective of the research is to design a new technique of converting Tronoh silica sand to silica sand nanoparticles by using ingenious combination of milling process and heating mechanism.
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Optimization of Aluminum Sand Casting process parameters on RSM and ANN ...
In sand casting process, the thermal behavior of casting/chill material was investigated by Farzaneh et al [3] and concluded that the role of temperature in sand casting process has a major impact. The optimization of CO 2 casting process was calculated by Noorul Haq et al [4], with the usage of Taguchi method. To obtain final
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Energy Conservation in Foundry Industry by Modeling and ... - Inpressco
The design procedure of mixture design is as follows: The process parameters - bundled steel, loose steel, cleaned and uncleaned scrap are the critical variables designated as X 1, X 2, X 3 and X 4 respectively. The ranges and values of process parameters are given in Table 1. Table 1 Process parameters - Ranges and values
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(Pdf) Effect of Process Parameters on Mechanical Properties of The ...
In the present investigation the different process parameters comprising of silica sand with different mesh numbers of silica sand, firing temperature, firing time and the pouring temperature have been taken into account to study their effects on the surface hardness, tensile strength and the impact strength of the castings. 2.
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Optimization of Sand Castng Process Parameters for Ferrous ... - OAJI
In this study,the analysis of confirmation experiments has shown that Taguchi parameters design can successfully verify the optimum process parameters, clay is 8.3% (3rd level), GFN is 80 (3rd level), and Moisture is 3.7% (2nd level). The material used for these experiments is Grey Cast Iron (FG200).
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Optimal process parameters for 3D of dental porcelain structures
R 972 Hydrophobic fumed silica powder (COSMOS Plastic & Chemicals), with an average particle size of 16 nm. This powder is composed of 99.8% fumed silica after treated with dimethyldichlorosilane (DDS) based on a hydrophilic fumed silica with a specific surface area of 130 m. 2 /g (Aerosil R 972 MSDS).
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Additive manufacturing of strong silica sand structures enabled by ...
The main print parameters include saturation, heat, and layer thickness, which need to be tuned depending on a binder, a powder, and the geometry of the print to achieve a successful print....
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Material, Machines and Methods for Sustainable Development
This edition presents papers from the 1st International Conference on Material, Machines and Methods for Sustainable Development (MMMS 2018, 18-19 May 2018, Danang, Vietnam) that reflect the state-of-the-art in the field of materials sciences and mechanical engineering. The contents of manuscripts from authors representing universities, research institutes, and industrial companies demonstrate ...
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Multi Response Optimization of Green Sand Moulding Parameters Using ...
Abstract: Green sand casting is treated as the most versatile casting process due to their excellent design flexibility that offer complex shapes and ability to reclaim silica sand. The modern foundries are looking for alternate moulding materials to partially replace the high cost silica sand.
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OPTIMIZATION OF THE INVESTMENT CASTING PROCESS - Srce
such as silica sand and ceramic slurry which is fabri-cated with colloidal silica binder and fi ner silica sand. This mixture is agitated before its use. The process consists in the preparation of 3 to 15 ceramic layers leading to a fi nal 1 to 20 mm thickness. The fi rst layer corresponds to the immersion of the pat-
WhatsApp:+8617329420102Hydrothermal Extraction of Amorphous Silica from Locally Available ...
By ranking method the best combination of process parameters were identified. From this study, it was obsd. that higher concn. of silica nanoparticles with BTCA improve the crease recovery angle and tensile strength. ... Condition optimization for maximum silica extraction: (a) effect of the molar concentration of NaOH solution (0.5-3 M), (b ...
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Industrial Process Optimization Through Process Water Integrity - Hach
Industrial Process OptimizationThrough Process Water Integrity. There are many facets to industrial processes — raw materials, skilled labor, well-designed equipment, and sound methodologies. Optimizing those manufacturing processes requires consistent, reliable feedback on performance efficiency and output quality.
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Application of Taguchi's Method of Experimental Design in Optimization ...
The prime focus is to find the optimal set of parameters for paint procurement process. For this analytical assessment of the problem, Minitab software is used. Finally considering various experimental parameters, optimal level of procurement is decided for building paint work. Keywords: Optimization, Procurement process, Taguchi method, DoE 1.
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Determining the optimum green sand casting process parameters using ...
This study demonstrates optimization of sand casting process parameters using Taguchi's design of experiments method. The process parameters considered are moisture content, permeability, loss on ignition, compressive strength, volatile content, vent holes, pouring time, pouring temperature, and mold pressure. An attempt has been made to obtain optimal level of the process parameters in order ...
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The Effect of Sand casting Process Parameters on the Fatigue Strength ...
optimize the sand casting process parameters. In order to investigate the effect of sand casting process parameters on the fatigue strength of aluminium alloy the following objectives were pursued i. To develop an L 9 Taguchi orthogonal array for the experiment ii. sand cast component from aluminum scraps using the Taguchi experimental design
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Production and Optimization of Bio-Based Silica Nanoparticle ... - Hindawi
The sample has to be processed to improve the extraction rate and purity of biosilica in the downstream procedures. (1) Cleaning, Soaking, and Washing. The sample was physically sorted by hand to remove large impurities such as nonteff straw, grasses, sand, leaves, and soil. The teff straw was then soaked overnight in tap water.
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