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Wyszukujesz frazę "Design of experiments" wg kryterium: Temat

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    Wyświetlanie 1-7 z 7
    Tytuł:
    Effects of Welding Parameters on FSSW: Experimental and Numerical Study
    Autorzy:
    Merzoug, M.
    Boulenouar, A.
    Bouchouicha, B.
    Serrier, M.
    Mazari, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/355978.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    FSSW
    penetration
    rotation of the tool
    temperature
    design of experiments
    Opis:
    In this paper, the Aluminum A6060-T5 plates of thickness 2 mm was friction stir spot welded (FSSW), and the effects of welding parameters (rotation speed, plunge speed and distance from the center of pin) on the temperature variation of the joints were investigated. The experimental design method is used to investigate the effects of welding parameters in order to achieve an optimization of the FSSW process. This optimization allows the development of experimental results and may help to better understand the complexity of the phenomena resulting from contact parts/tool during the stirring process.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 1; 247-256
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimentation and Prediction of the Wear of a Cutting Tool in Turning Process
    Autorzy:
    Merzoug, M.
    Benamara, N.
    Boulenouar, A.
    Bouchouicha, B.
    Mazari, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/356451.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    turning
    cutting parameters
    tool wear
    surface roughness
    design of experiments
    Opis:
    In the present work, the performance of multilayer coated carbide tool was investigated considering the effect of cutting parameters during turning of 34CrMo4 Low alloy steel. It has high strength and creep strength, and good impact tenacity at low temperature. It can work at –110°C to 500°C. And EN 10083-1 34CrMo4 owns high static strength, impact tenacity, fatigue resistance, and hardenability; without overheating tendencies. The objective functions were selected in relation to the parameters of the cutting process: surface roughness criteria. The correlations between the cutting parameters and performance measures, like surface roughness, were established by multiple linear regression models. Highly significant parameters were determined by performing an Analysis of variance (ANOVA). During the experiments flank wear, cutting force and surface roughness value were measured throughout the tool life. The results have been compared with dry and wet-cooled turning. Analysis of variance factors of design and their interactions were studied for their significance. Finally, a model using multiple regression analysis between cutting speed, fee rate and depth of cut with the tool life was established.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 2; 563-573
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modeling of a two stages electrostatic air precipitation process using response surface modeling
    Autorzy:
    Berrached, D.
    Tilmatine, A.
    Miloua, F.
    Bengrit, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/141038.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    two-stage ESP
    design of experiments
    experimental modelling
    electrostatic precipitator
    Opis:
    Any industrial process needs to work with the optimal operating conditions and thus the evaluation of their robustness is a critical issue. A modeling of a laboratoryscale wire-to-plane two stages electrostatic precipitator for guiding the identification of the set point, is presented this in paper. The procedure consists of formulating recommendations regarding the choice of optimal values for electrostatic precipitation. A twostages laboratory precipitator was used to carry out the experiments, with samples of wood particles of average granulometric size 10 μm. The parameters considered in the present study are the negative applied high voltage of the ionization stage, the positive voltage of the collection stage and the air speed. First, three “one-factor-at-a-time” experiments were performed followed by a factorial composite design experiments, based on a two-step strategy: 1) identify the domain of variation of the variables; 2) set point identification and optimization of the process.
    Źródło:
    Archives of Electrical Engineering; 2014, 63, 4; 609-619
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Impact of Laser Processing Parameters on the Properties of Electro-Spark Deposited Coatings
    Autorzy:
    Radek, N.
    Szczotok, A.
    Gądek-Moszczak, A.
    Dwornicka, R.
    Bronček, J.
    Pietraszek, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/354845.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    electro-spark deposition
    laser treatment
    material properties
    coating
    design of experiments
    Opis:
    The paper described properties of electro-spark deposited coatings under influence of the laser treatment process. The properties were assessed by analyzing the coating microstructure, X-ray radiation, microhardness, bonding strength, corrosion resistance, porosity and wear tests. The tests were conducted for Mo and Cu coatings (the anode) which were electro-spark deposited over the C45 steel substrate (the cathode) and melted with a laser beam. The coatings were deposited by means of an ELFA-541. The laser processing was performed with an Nd:YAG laser. The coatings after laser processing are still distinguished by very good performance properties, which make them suitable for use in sliding friction pairs.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 2; 809-816
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Quality engineering implementation in an organization: a brief finding on QE methodology
    Autorzy:
    Dolah, R.
    Miyagi, Z.
    Tatebayashi, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/406750.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Quality Engineering
    Taguchi method
    design of experiments
    DOE
    T-peel test
    product robustness
    Opis:
    As many research focused on robustness methodology, this paper discuss on how to implement these methodology concept from the management perspective. Guidelines and appropriate strategies are discussed on Quality Engineering (QE) implementation in an organization and experimentation. Firstly, the experience of a company implementing QE is presented. Secondly, the practical data of a laboratory experiment is discussed in order to relate between the experimental result and requirement in industry. The QE implementation is explained on the strategies used in tackling organization problems. Optimization of peel adhesion strength test is carried out to propose the feasibility of experimental design tools. QE methodology between the practical case and company's case study is compared. Finally, through the QE implementation in organization and method applied in experimental design, a framework is proposed for QE methodology. QE implementation is presented from two sources, from a company and practical case study point of view. It helps a researcher or engineer applies the management strategy and engineering tool to ensure product robustness.
    Źródło:
    Management and Production Engineering Review; 2012, 3, 4; 26-34
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of Injection Moulding Process via Design of Experiment (DOE) Method based on Rice Husk (RH) Reinforced Low Density Polyethylene (LDPE) Composite Properties
    Autorzy:
    Jaya, Haliza
    Zulkepli, Nik Noriman
    Omar, Mohd Firdaus
    Abd Rahim, Shayfull Zamree
    Nabiałek, Marcin
    Jeż, Kinga
    Al Bakri Abdullah, Mohd Mustafa
    Powiązania:
    https://bibliotekanauki.pl/articles/2106601.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    injection moulding
    design of experiments
    DOE
    central composite design
    response surface methodology
    RSM
    shrinkage
    tensile strength
    Opis:
    Optimal parameters setting of injection moulding (IM) machine critically effects productivity, quality, and cost production of end products in manufacturing industries. Previously, trial and error method were the most common method for the production engineers to meet the optimal process injection moulding parameter setting. Inappropriate injection moulding machine parameter settings can lead to poor production and quality of a product. Therefore, this study was purposefully carried out to overcome those uncertainty. This paper presents a statistical technique on the optimization of injection moulding process parameters through central composite design (CCD). In this study, an understanding of the injection moulding process and consequently its optimization is carried out by CCD based on three parameters (melt temperature, packing pressure, and cooling time) which influence the shrinkage and tensile strength of rice husk (RH) reinforced low density polyethylene (LDPE) composites. Statistical results and analysis are used to provide better interpretation of the experiment. The models are form from analysis of variance (ANOVA) method and the model passed the tests for normality and independence assumptions.
    Źródło:
    Archives of Metallurgy and Materials; 2022, 67, 2; 719--727
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modeling and Optimization of Phenol Formaldehyde Resin Sand Mould System
    Autorzy:
    Chate, G. R.
    Patel, M. G. C.
    Parappagoudar, M. B.
    Deshpande, A. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/381857.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    mould hardness
    phenol-formaldehyde resin
    permeability
    desirability function approach
    design of experiments
    masy formierskie
    żywica fenolowo-formaldehydowa
    przepuszczalność
    twardość
    optymalizacja
    Opis:
    Chemical bonded resin sand mould system has high dimensional accuracy, surface finish and sand mould properties compared to green sand mould system. The mould cavity prepared under chemical bonded sand mould system must produce sufficient permeability and hardness to withstand sand drop while pouring molten metal through ladle. The demand for improved values of permeability and mould hardness depends on systematic study and analysis of influencing variables namely grain fineness number, setting time, percent of resin and hardener. Try-error experiment methods and analysis were considered impractical in actual foundry practice due to the associated cost. Experimental matrices of central composite design allow conducting minimum experiments that provide complete insight of the process. Statistical significance of influencing variables and their interaction were determined to control the process. Analysis of variance (ANOVA) test was conducted to validate the model statistically. Mathematical equation was derived separately for mould hardness and permeability, which are expressed as a non-linear function of input variables based on the collected experimental input-output data. The developed model prediction accuracy for practical usefulness was tested with 10 random experimental conditions. The decision variables for higher mould hardness and permeability were determined using desirability function approach. The prediction results were found to be consistent with experimental values.
    Źródło:
    Archives of Foundry Engineering; 2017, 17, 2; 162-170
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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