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Online since: November 2015
Authors: Ji Ping Wang, Yang Yi Chen, Lei Mi, Qi Zhong, Jie An
Experimental Materials.
Martien, Cohen, et al, Emerging applications of stimuli-responsive polymer materials, J.
Nature materials. 9.2 (2010) 101-113
Francois, Polymerization of oligo (ethylene glycol)(meth) acrylates: toward new generations of smart biocompatible materials, J.
Journal of Polymer Science Part A: Polymer Chemistry. 46.11 (2008) 3459-3470
Online since: September 2013
Authors: Wu Di Zhang, Ben Yong Han, Yu Bao Chen, Fang Yin, Shi Qing Liu, Xing Ling Zhao
China 2Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P.
Chemically, biodiesel is a mixture of fatty acid alkyl esters (FAMEs) which are produced from a broad range of oil materials, such as vegetable oils, animal fats and waste oil[3].
When the raw materials have a high percentage of free fatty acids or water, the alkali catalyst will react with the free fatty acids to form soaps.
In this situation, the acidic materials should be pre-treated to inhibit the saponification reaction[4].
Among the unique characteristics of ILs are negligible vapor pressure, good solubility in both organic and inorganic materials, able to form multiple phase systems due to their miscibility, and highly tunable for specific tasks[8,9].
Online since: August 2023
Authors: Abdulkareem Dahash Affat, Luay Badr Hamad, Marwa F. Abdul Jabbar
Transesterification of Waste Cooking Oil Using Natural and Chemical Materials as Catalyst Marwa F.
Due to its high costs and low production, refined edible oils such as rapeseed oil, soybean oil and palm oil are not referred to as raw materials in developed countries[7].
Materials and Method In this study, waste cooking oil (WCO) has been utilized as the base oil for transesterification, while ethanol was utilized as alcohol, which was obtained from Hayman Ltd, East Ways Park, UK.
Jamarun, Catalytic Performance of CaO/SiO2 Prepared from Local Limestone Industry and Rice Husk Silica, Journal of Pure and Applied.
Marodzi, Transesterification of Waste Cooking Oil in Biodiesel Production Utilizing CaO/Al2O3 Heterogeneous Catalyst, Malaysian Journal of Analytical Sciences 22 (1)(2018) 157-165
Online since: September 2013
Authors: Jian Zhong Fu, Xin Hua Yao, Jin Tao Lai, Wen Li Yu
The material of the part is the aluminum (AL2014) and the cutting force in z direction (F) is set to be 100N.
Acknowledgements This work was financially supported by the Program for Zhejiang Leading Team of S&T Innovation (No.2009R50008),National Nature Science Foundation of China (No.51175461),and Zhejiang Provincial Natural Science Foundation of China (No.
Lee, Reduction of machining errors of a three-axis machine tool by on-machine measurement and error compensation system, Journal of Materials Processing Technology, 155 (2004) 2056-2064
Chiu, Form tolerance-based measurement points determination with CMM, Journal of Intelligent Manufacturing, 13 (2002) 101-108
Sung, NURBS-based fast geometric error compensation for CNC machine tools, International Journal of Machine Tools & Manufacture, 48 (2008) 307-319.
Online since: January 2012
Authors: A. Bazoune
It can be concluded that the factors affecting the above mentioned materials are also seen to affect CPVC pipe material.
Materials and Structures, Vol. 22, 170-175, 1989
Merah, “Natural Weathering Effects on Some Properties of CPVC Pipe Material”, Elsevier’s Journal of Materials Processing Technology, Vol. 191/1-3, 198-201, 2007 [13] L.
[15] Standard Test Method for Tensile Properties of Plastics”, American Society for Testing and Materials, Designation: D638-01, 2001
[16] “Standard Practice for Conditioning and Handling of Nonmetallic Materials for Natural and Artificial Weathering Tests”, American Society for Testing and Materials, Designation, ASTM G147 – 09
Online since: January 2012
Authors: Hong Xia Qiao, Jian Feng, Ming Ru Zhou, Hongfa Yu, Yao Liu
., Lanzhou 730050 China 2Qinghai institute of Salt Lakes, Chinese Academy of Sciences,Xining 810008, China 3Nanjing University of Aeronautics and Astronautics, Department of Civil Engineering, Nanjing 210016, China 4 Qinghai Scientific Institute of Architectural and Build Materials, Xining 810008, China aQiaohx7706@163.com, bLy_042@163.com, czhoumr@lut.com, dYuhongfa@hotmail.com elylut86@gmail.com Keywords: Concentration; Magnesium Oxychloride Cement; Concrete; Mixture proportion; Compressive strength; Micro-mechanism.
Raw materials and experimental procedure 1.1.
Raw materials Light-burned magnesium(MgCl2·6H2O), yellow powder, produced in Geermu, Qinghai was used in the experiments, and the main composition is listed in table 1.
[3] Jin Ping,Yu Hui Hu Keyou, Zhou Bo, Improvement Of Water Resistance Of Magnesium Oxychloride Cementing Material For Shotcreting[J], Journal Of China Coal Society, 1998(1):102-106
[4] Yu Hongfa, Research on Long-term Strength and Water-resistance of MgO-SF-FA-MgCl2-H2O System Cementitious Materials[J], Journal of The Chinese Ceramic Society, 2000(12):33-37
Online since: April 2008
Authors: Xiang Yu Liu, Guo Fa Mi, Kuang Fei Wang, Ji Tai Niu
Numerical Simulation for Low Pressure Die Casting of Al-alloy Motor Enclosure and Technology Improvement Guofa MI a , Xiangyu LIU, Kuangfei WANG, Jitai NIU School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo, 454000, China a peter@hpu.edu.cn Keywords: Al-alloy Motor Enclosure; Low Pressure Die Casting; Numerical Simulation; Technology Improvement Abstract.
Raise of the problem A motor enclosure was fabricated by LPDC process and the material is ZL102.
Recent developments," Foundry Trade Journal, 163 (3399) (1989), 3. 3 Plume A.
W., "Low-pressure Die Casting - A practical Assessment," Foundry Trade Journal International, 5 (16) (1982), 14-16, 18. 4 Kreziak G., Rigaut C., Santarini M., "Low pressure permanent mould process simulation of a thin wall aluminum casting," Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, A173 (1-2) (1993), 255-259. 5 Wang T. et al, "Simulation of Low Pressure Casting Process for Thin-wall Magnesium Alloy Casting," Foundry, 53 (5) (2004), 396-398.
(in Chinese) 6 Zhang B. et al, "Casting defects in low-pressure die-cast aluminum alloy wheels," JOM, 57 (11) (2005), 36-43. 7 Srinivasan A. et al, "Low-pressure casting of LM25 (Al-7Si-0.3 Mg) aluminium alloy," Materials and Manufacturing Processes, 20 (2) (2005), 221-230. 8 Tsukuda Makoto, Takada Kumio, "Water Simulation of Oxide Formation in Low Pressure Die Casting Process," Journal of Japan Institute of Light Metals, 29 (1) (1979), 9-15. 9 Solov'ev E.
Online since: May 2017
Authors: V. Stambouli, Bassem Salem, Romain Bange, Laetitia Rapenne, Sébastien Labau, Bernard Pelissier, Maxime Legallais, Edwige Bano
Materials and methods Three types of samples are used in the experiments described below.
Interestingly, SiC NWs exhibited no significant morphological changes thanks to the chemical inertness of the material.
Bano, Integration of SiC-1D nanostructures into nano-field effect transistors, Materials Science in Semiconductor Processing 29 (2014) 218–222
Attolini, DNA Detection Using SiC Nanowire Based Transistor, Materials Science Forum, 858 (2016) 1006-1009
Baron, Si–SiC core–shell nanowires, Journal of Crystal Growth, 363 (2013) 158–163.
Online since: October 2014
Authors: Stelian Tarulescu, Adrian Soica, Nicolae Ispas
The calculations on tubes deformation took account of information on materials, deformation energy, deformation mode as revealed in papers that illustrate the models proposed by Alexander, Wierbizck, Bhat and others.
At one end of the tube, opposite to the impact area, a cylinder-like supplementary weight, made of the same material as the tube, was added.
Robbersmyr, Development of lumped-parameter mathematical models for a vehicle localized impact, Journal of Mechanical Science and Technology 25 (7) (2011), 1737-1747
Sunghak et al., Effect of Troggering on the energy absorbtion capacity of axial compressed aluminium tubes, Materials and design, 20 (1999), 31-40
Vilarinho, Configurable thermal induced triggers for crashworthiness application, Proceedings of conference SMART’ 09- Smart Structures and Materials, Porto, Portugal, Julho de 2009
Online since: June 2008
Authors: Yasutake Teraoka, Yuko Tateishi, Hisahiro Einaga
The characterization of materials were carried out with scanning electron microscope (SEM, JSM-6340F, JEOL Co.
Pre-Ag was not suitable for base materials of the pigments under development in this study, because it lost the metallic luster after calcination at 800 oC.
Manfredini, Materials Research Bulletin Vol. 33 (1998), p. 723
Longo, Materials Research Bulletin Vol. 41 (2006), p. 183
[7] Seong-Hyeon Hong, Dong-Won Lee, Byoung-Kee Kim, Journal of Materials Processing Technology Vol. 100 (2000), p. 105