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Preparation and properties of silicon-corundum-silicon nitride composites Juncong Wei1,2,a, Junbo Tu1,b 1Hebei Province Key Laboratory of Inorganic Nonmetallic Materials, College of Materials Science and Engineering, Hebei Polytechnic University, Tangshan 063009, China 2University of Science and Technology Beijing, Beijing100083, China atttwjc@126.com,btujunbo@heut.edu.cn Keywords: silicon-corundum-silicon nitride，silicon powder，preparation Abstract.
Part of silicon could remain in the materials.
Experiments in laboratory Raw materials.
The starting materials were brown corundum, white corundum, Si3N4, clay, and silicon powder.
W., Houng B., Journal of American Ceramic Society.

Presently, both materials have found commercial applications.
Presently, both materials have found commercial applications.
Properties and Low-Pressure Synthesis of B-N Materials and Diamond Similarly to carbon, there are some analogue phases in the B-N system and all of them are synthetic materials.
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Rabaey, Science, Vol. 337 (2012), p. 686
Luo, Environmental science & technology, Vol. 46 (2012), p. 2467
Wei, Journal of Power Sources, Vol. 210 (2012), p. 26
Chen, Journal of Power Sources, Vol. 234 (2013), p. 100
Hong, Materials Letters, Vol. 73 (2012), p. 206

Introduction of a small impurity coating consisting of a very thin layer of the particles on the basic powder is a known method of compacting at sintering of powder materials.
Introduction of the small impurity coating with a very thin layer of the particles of the basic powder is a known method of compacting at sintering of powder materials.
Acknowledgements This work was executed with support from Grant of Russia Science № 02.740.11.0152 “Carrying out of the Scientific Researches by Collectives of the Scientifically-Educational Centres in the Field of Metallurgical Technologies”.
Powder metallurgy nanocrystal materials.
Pastukhov: Russian Journal of Non-Ferrous Metals.

Compared with CO2 laser, irradiation of Yb-doped fiber laser can be absorbed much more by metal materials duo to its shorter wavelength, so nanocrystallization can be made by fiber laser with more efficiency or less power.
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De Souza (2009), ”Caffeic acid as a green corrosion inhibitor for mild steel” Corrosion Science 51 : 642 – 649 [8].
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Advance Material Research.
Disertasi Departement Metalurgi dan Material.
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Now people on the adhesive bonded joints on hygrothermal aging resistant performance although have many methods, but the limited simulation environment and material aging properties between the rules, cannot really reflect the changes of properties of materials in the myriads of changes, the actual conditions in addition, although non metal bonding joint material does not exist formation potential corrosion, but the glued non-metallic materials, water swelling and hydrolysis and other issues, to study the hygrothermal aging is more complex.
These methods are not only suitable for metal materials, and suitable for surface treatment of non metallic materials.
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Accelerated aging tests for evaluations of a durability performance durability performance of glass-fiber reinforcement polyester composites[J] Journal of Material Science and technology,2009 (6) :572-576
Polymer based composite material aging research progress of [J]. fiber reinforced materials engineering, 2011 (7): 85-89.

Introduction The carbon felt refers to a class of non-metallic solid materials, which carbon as the main ingredient, due to the 90% gap in the carbon felt, so the thermal insulation properties of it in a vacuum or inert atmosphere is very advantageous.
Experiments using self-made chemical vapor deposition equipment，A diagram experiment device is shown in Fig. 1.Materials used polyacrylonitrile fiber felt (PAN) produced by jiangsu yixing Tianniao company, The properties of material as shown in Table 1.Zhaoxin RXN-6020 type dc current as the heating equipment.
Acknowledgements This work was supported by the National Natural Science Foundation of China(No.51165006).
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Journal of Inorganie Materials 2004.19(5);1118-1122 [6] He Fu.The electrothermal property and appliacation of carbon fiber[J] new chemical materials.2005, 33 (6):7-8 [7] Cao Wei-wei, ZHU Bo, ZHANG Min, WANG Cheng-guo.Influence of Twisting and Weave Process on the Electro-thermal Radiant Property of PAN based Carbon Fiber Electric Heating Element[J].Materials for Mechanical Engineering.2007, 31 (9):26-28 [8] Huang Xiaomei, Ji Tao and Yu Jin.

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It could not only decompose the raw materials for ethanol fermentation, but also make the food waste reduced, utilizable and non-hazardous [[1] Ma H Z, Wang Q H, Zhang W Y, et al., Optimization of the Medium and Process Parameters for Ethanol Production from Kitchen Garbage by Zymomonas Mobilis, International Journal Of Green Energy. 5 (2008) 480-490. ,[2] Ma H Z, Wang Q H, Qian D Y, et al.
Xiao Hanmin and Ma[[5] Xiao H M,Ma X Q, Characteristics of co-combustion of coal, coal gangue and sewage sludge, Journal of Fuel Chemistry and Technology. 36(2008) 545-550. ] found that the addition of sludge to coal could significantly increase the burning performance of the mixture.
Materials and method Materials.
The particle size of final material used was less than 100 mesh.
Complex combustion index fully reflected the ignition and burning properties of the sample, the more the S, the better the burning performance [[7] Zhou Yang,San Andres L,Childs D.W., Dynamic force performance of annular gas seal at off-center conditions, Tribology Transactions, 37 (1994) 33-42. ,[8] Nie Q H,Sun S Z,LI Z Q,Zhang X J,Wu S H,Qiu Y K, Thermo gravimetric Analysis on the Combustion Characteristics of Brown Coal Blends, Journal of Combustion Science and Technology, 7 (2001) 72-76. ].