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| 1 | Warpage and Shrinkage Optimization of Injection-Molded Plastic Spoon Parts for Biodegradable Polymers Using Taguchi, ANOVA and Artificial Neural Network Methods显示文摘In this study, it is attempted to give an insight into the injection processability of three self-prepared polymers from A to Z. This work presents material analysis, injection molding simulation, design of experiments alongside considering all interaction effects of controlling parameters carefully for green biodegradable polymeric systems, including polylactic acid(PLA), polylactic acid-thermoplastic polyurethane(PLA-TPU) and polylactic acid-thermoplastic starch(PLA-TPS). The experiments were carried out using injection molding simulation software Autodesk Moldflow?in order to minimize warpage and volumetric shrinkage for each of the mentioned systems. The analysis was conducted by changing five significant processing parameters, including coolant temperature, packing time, packing pressure, mold temperature and melt temperature. Taguchi's L27(35) orthogonal array was selected as an efficient method for design of simulations in order to consider the interaction effects of the parameters and reduce spurious simulations. Meanwhile, artificial neural network(ANN) was also used for pattern recognition and optimization through modifying the processing conditions. The Taguchi coupled analysis of variance(ANOVA) and ANN analysis resulted in definition of optimum levels for each factor by two completely different methods. According to the results, melting temperature, coolant temperature and packing time had significant influence on the shrinkage and warpage. The ANN optimal level selection for minimization of shrinkage and/or warpage is in good agreement with ANOVA optimal level selection results. This investigation indicates that PLA-TPU compound exhibits the highest resistance to warpage and shrinkage defects compared to the other studied compounds. | Erfan Oliaei Behzad Shiroud Heidari Seyed Mohammad Davachi Mozhgan Bahrami Saeed Davoodi Iman Hejazi Javad Seyfi | 2016 | Journal of Materials Science & Technology2016，32，8： | 26 |
| 2 | Multicomponent reactions for the synthesis of functionalized 1,4-oxathiane-3-thiones under microwave irradiation in water显示文摘A series of substituted l,4-oxathiane-3-thione derivatives were synthesized via one-pot multicomponent reactions of nitromethane,carbon disulfide and oxiranes in the presence of Et_3N in water as the solvent under microwave irradiation.Particularly valuable features of this method include high yields of products,broad substrate scope,short reaction time and straightforward procedure. | Zinatossadat Hossaini Faramarz Rostami-Charati Samereh Seyfi Mehdi Ghambarian | 2013 | Chinese Chemical Letters2013，24，5： | 3 |
| 3 | Modified LaCoO3 nano- perovskite catalysts for the environmental application of automotive CO oxidation显示文摘 | Seyfi B Baghalha M Kazemian H | 2009 | Chemical Engineering Jour- nal2009，148，： | 1 |
| 4 | Anaerobic degradation of toluene by pure cultures of denitrifying bacteria 显示文摘 | SCHOCHER R J SEYFIED B VAZQUEZ F | 1991 | Arch Microbiol1991，157，： | 1 |
| 5 | Anaerobic-aerobic treatment of high strength ammonium wastewater nitrogen removal via nitrite 显示文摘 | Abeling U Seyfi'ied C F | 1992 | Water Science and Technology1992，26，56： | 1 |
| 6 | Determination of Kiwifruit Volume Using Image Processing 显示文摘 | Rashidi M Seyfi K Gholami M | 2007 | ARPN Journal of Agri- culture and Biological Science2007，2，6： | 1 |
| 7 | Diastereoselective synthesis of fused [1,3]thiazolo[1,3]oxazins and [1,3]oxazino[2,3-b][1,3]benzothiazoles显示文摘 | Issa Yavari Zinatossadat Hossaini Sanaz Souri Samereh Seyfi | 2009 | Molecular Diversity2009，，4： | 1 |
| 8 | Mushroom drying with solar assisted heat pump system显示文摘 | Seyfi ?evik Mustafa Akta? Hikmet Do?an Saim Ko?ak | 2013 | Energy Conversion and Management2013，，： | 1 |
| 9 | Comparative and Competitive Adsorption of Cu(II) and Cd(II) Using Scoria: Equilibrium, Kinetic and Thermodynamic Studies显示文摘 | SEYFI Sara AZADMEHR Amir Reza MAGHSOUDI Abbas | 2017 | Chemical Research in Chinese Universities2017，33，3： | 1 |
| 10 | Modi-fled LaCoO3 nano-perovskite catalysts for the environmental application of automotive CO oxidation 显示文摘 | Bahman Seyfi Morteza Baghalha l-Iossein Kazemian | 2008 | Chemical Engi-neering Journal2008，5959，： | 1 |
| 11 | Modified LaCoO3nano-perovskite catalysts for the environmental application of automotive CO oxidation显示文摘 | Seyfi B Baghalha M Kazemian H | 2009 | Chem Eng J2009，148，23： | 1 |
| 12 | Reduction of CO2 during serpentinization of divine at 300 ℃ 500bar显示文摘 | BERNDT M E ALLEN D E SEYFIED W E | 1996 | Geolqgy1996，24，4： | 1 |
| 13 | Relay selection in dual-hop vehicular networks显示文摘 | SEYFI M MUHAIDAT S LIANG J | 2011 | IEEE Signal Processing Letters2011，18，2： | 1 |
| 14 | Classification of fruit shape in cantaloupe using the analysis of geometrical attributes显示文摘 | Majid Rashidi Keyvan Seyfi | 2007 | World Journal of Agricultural Sciences2007，3，6： | 1 |
| 15 | Mushroom drying with solar assisted heat pump system显示文摘 | Seyfi Sevik Mustafa Aktas Hikmet Do an | 2013 | Energy Conversion and Management2013，72，8： | 1 |
| 16 | Tetracycline resistance genes in activated sludge wastewater treatment plants 显示文摘 | Auerbach E A Seyfied E E Mcmahon K D | 2007 | Proceedings of the Water Environment Federa- tion2007，41，5： | 1 |
| 17 | A convenient synthesis of functionalized indenopyrazolones from indan 1,2,3-trione,benzaldehydes,and phenylhydrazine显示文摘 | YAVARI I SEYFI S SKOULIKA S | 2012 | Helvetica Chimica Acta2012，95，： | 1 |
| 18 | Reduction of CO2 during serpentinization of olivine at 300℃ 500bar显示文摘 | Auen D E Seyfied W E | 1996 | Geology1996，24，4： | 1 |
| 19 | On the role of processing parameters in producing Cu/SiC metal matrix composites via friction stir processing: Investigating microstructure, microhardness, wear and tensile behavior 显示文摘 | BARMOUZ M GIVI M K B SEYFI J | 2011 | Materials Characterization2011，62，1： | 1 |
| 20 | Modified LaCoO3 nano-perovskite catalysts for the environmental application of automotive CO oxidation显示文摘 | SEYFI B BAGHALHA M KAZEMIAN H | 2009 | Chemical Engineering Journal2009，148，23： | 1 |
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