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The gray cast iron is one of widely used materials.
Due to limitation of processing technology, the surface property of materials is poor.
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The sewage sludge imposed environment pollutions for containing toxic and deleterious materials such as pathogen, parasite, heavy metals, etc, and emitting offensive odor.
The gas and oil separated from the liquid fraction could be used as fuels or chemical feedback, the solid fraction could be used as construction materials , road surfacing, or cheap adsorbents of suitable pollutants.
Acknowledgements This work was financially supported by National 973 project of China (2011CB201501), Supported by Projects of International Cooperation and Exchanges NSFC (51161140330), Knowledge Innovation Program of the Chinese Academy of Sciences (NKSCX2-EW-G-1-5), and The Program of Guangdong Province - Chinese Academy of sciences strategic cooperation (2010A090100035).
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Park Department of Materials Science and Metallurgical Engineering, Nanomaterials Research Center, Sunchon National University, Sunchon 540-742, Korea Keywords: Electroforming, Grain Growth, Invar, Nanostructure, OIM, Texture Abstract.
In nanocrystalline materials, therefore, grain growth can occur at relatively lower temperatures than in counterpart microcrystalline materials [12].
Acknowledgment This research was supported by a grant from the Center for Advanced Materials Processing (CAMP) of the 21st Century Frontier R&D Program funded by the Ministry of Science and Technology, Korea.
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Materials and method Sample analysis.
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For the high temperature use, metallic materials are used including planner silicon chips.
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As near-rapid solidification and near-net casting, it can refine the structure, improve the performance of materials and save the energy [8].
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Introduction Inorganic particleboard is made from wooden or non-wooden plant particle (as reinforcing materials), cement or gypsum (as adhesive) and right amount additives by means of a certain technological process.
Materials and methods Materials.Bamboo particle: processing waste and residue from bamboo floorboard factory.
Finally, adding NaHCO3 to the mixture,stirring rapidly to make the raw materials mixed evenly.
Leting the prepared materials spread in the mold frame with uniform thickness, which was on a steel plate.Thickness meter was put at both mat side after preloading.
[6]Chungui Du, Jin Chun-de, Liu Zhi-kun,ect:Journal of Agricultural Science Yanbian University，Vol.26 (2004), p.32.

In addition, more and more materials of better properties have been developed and utilized for fabricating such products.
To overcome such drawback, there is an urgent need to improve the machining efficiency and accuracy of brittle non-conducting materials.
Similar to electrical discharge machining (EDM), ECDM is not affected by the strength or hardness of the materials.
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Research on the characteristics of the cutting force in the vibration cutting of a particle-reinforced metal matrix composites SiCp/Al, Journal of Materials Processing Technology 129(2002) 196-199
Thermally enhanced machining of hard-to-machine materials - A review.
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Introduction The elastic deformation machining method is suitable for machining of materials which have excellent physical properties due to a perfect crystal structure [1].
Acknowledgements This research is supported by the National Science Foundation of China (50975085) and Natural Science Foundation of Zhejiang Province (Y1101095).
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