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Gradient Microstructure Analysis of PI-SiO2 Hybrid Tubular Films Yi-Kun Xu a , Mao-Sheng Zhan b School of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, 37 XueYuan Road, HaiDian District, Beijing 100083, P.
Experimental Materials.
Tan: Journal of Materials Processing Technology Vol. 113 (2001), p. 446 [2] J.
Gu: Journal of Applied Polymer Science Vol. 88(2003), p. 2210 [4] Y.K.
Zhan: Journal of Aeronautical Materials Vol. 23(2003), No. 2, p. 33 [5] Y.K.

Introduction Fiber Reinforced Polymer (FRP ) are being considered for use in the field of civil infrastructure as strengthening and rehabilitation materials because of the characteristics of high strength, high stiffness, light-weight, excellent corrosion resistance, ease and speed of installation, etc.
CFRP material adopts UDO CFPR produced by Germany EPO Co., Ltd..
:Journal of Composites for Construction, Vol. 8(2) (2004), p. 132-140
[9] Suyan Wang and Lei Liu: Journal of Shenyang Jianzhu University (Natural science edition) , Vol. 24 (4) (2008), p. 562-566.
Beijing: Science press, (2005).

The other is to design new energy absorbing materials.
There are two approaches to design high energy absorbing materials and structures: One is to optimize the structures by using ordinary materials.
The other is to design new energy absorbing materials [2].
Jeelani, On the dynamic response of sandwich composites and their core materials, Composites Science and Technology, 66 (2006) [4] T.
Hsieh, Energy absorption processes in fibrous composites, Materials Science and Engineering, A246 (1998) [8] D.G.

Reduction Kinetics of Bayan Obo Associated Iron Niobium Ore Fushun ZHANG 1,2,a, Zengwu ZHAO 2,b, Fang ZHANG 3,c, Naixiang FENG 1,d 1School of Materials ＆ Metallurgy，Northeastern University, Shenyang, PRC 2Inner Mongolia Key Laboratory for Utilization of Bayan Obo Multi-Metallic Resources: Elected State Key Laboratory，Inner Mongolia University of Science and Technology, Baotou 014010, PRC 3Material and Metallurgy School Inner Mongolia University of Science and Technology, Baotou 014010, PRC alnfushun@163.com, bzhzengwu@hotmail.com, czhangfang2006322@163.com, dtempmails@yeah.net Key words: carbon-bearing pellet; reduction mechanism; controlling step; kinetics Abstract:The mass loss rate of carbon-bearing pellet during reduction process was investigated at the temperature from 900 to 1050 ºC.
In order to full use of BayanObo resources, a process named continuous extracting niobium from hot metal was proposed by University of Science and Technology Beijing and Institute of Metallic Materials of Japan.
Experimental Materials In the experiment, associated iron and niobium ore was chosen as the niobium-bearing material, and its chemical compositions listed in Table 1.
The reduction process can be described based on porous material reaction model.
The Chinese Journal of Process Engineering, Vol. 16 (1995), p. 118-126 [12] CHEN xiangwu: Steel metallurgical physical chemistry, (The Metallurgical Industry Press)Vol.175-192(1990),p.2 [13] XU Rongjun, NI Ruiming,ZHANG Shengbi, MA Zhongting, CHEN Qibing:reduction kinetics of chromite pellet with carbon.Journal of Iron and Steel Research in chinese. vol.7(1995),p.1-5 [14] Rao Y.K.: Met.

Journal of Materials Processing Technology, 210 (2010) 1386-1396
Journal of Materials Processing Technology, 124 (2002) 19-24
Journal of Materials Processing Technology, 141 (2003) 207-212
Materials Science & Engineering A, 544 (2012) 70-79
Materials Science Forum, 610-613 (2009) 780-782.

THE PRODUCTION OF GREEN POLYMER – HYPERBRANCHED CURABLE PALM OIL OLEIC ACID Mek Zah Salleh1,a*, Khairiah Badri2,b, Rida Tajau1,c and Nik Ghazali Salleh1,d 1Radiation Technology Division, Malaysian Nuclear Agency 43000 Kajang, Selangor, MALAYSIA 2Faculty of Science and Technology, Universiti Kebangsaan Malaysia 43600 UKM Bangi, Selangor, MALAYSIA amekzah@nuclearmalaysia.gov.my, bkaybadri@ukm.my, crida@nuclearmalaysia.govmy, dNik_Ghazali@nuclearmalaysia.gov.my Keywords: hyperbranched polymers; palm oil; oleic acid; radiation Abstract Palm oil is one of the main raw materials available in the country.
The development of new radiation curable materials for applications in radiation ultraviolet (UV) or electron beam (EB) curing technology is an important research area.
Journal of Nuclear and Related Technologies (2010) 7(2) pp. 38-48
Khairul Zaman, Method for manufacturing palm oil based hydroxyl containing products for use in making polyurethane materials, Malaysian Patent MY-142814-A (2011) [3] E.
Hayes, Synthesis and applications of hyperbranched polymers, European Polymer Journal (2004) 40, pp. 1257-1281

Natural cork is a new environment-friendly recyclable material.
Experimental Materials and Instruments Natural corks (size 44mm×23mm), hydrogen peroxide (food grade) and bleaching catalyst were supplied by Hebei Bailin Cork Products Co.
Wu: Journal of Liquor-Making Science & Technology Vol. 6 (2008), p. 115 [3] Information on http://blog.china.alibaba.com [4] S.
Fernandez: Journal of International Materials Reviews Vol. 50 (2005), p. 345 [5] G.
Yuan and Y.Wu: Journal of Forestry Science & Technology Vol. 26 (2001), p. 50

Magnetorheological damper is a new type of damper based on magnetorheological materials.
There is insulation material on the outside surface of the two piezoelectric transducers and piezoceramic material inside of them.
Journal of Engineering Mechanics, 1997, 123: 230- 238
Indiana: Department of Civil Engineering and Geological Sciences , University of Notre Dame, 2001
Journal of Aircraft, 2005, 42(6): 1631-1637.

With regard to the environmental point of view, natural fibres can replace synthetic fibres in the composite materials branch.
Sun, Melting Behavior and Crystallization Kinetics of Starch and Poly (lactic acid) Composites, Journal of Applied Polymer Science 89 (2003) 1203-1210
Thakur, Mechanical properties of natural fibre reinforced polymer composites, Bulletin Material Science 31 (2008) 791-799
Müller, Thermoset composite on basis of recycled rubber, Advanced Materials Research 801 (2013) 67-73
Novák-Marcinčin, Production of composite material by FDM rapid prototyping technology, Applied Mechanics and Materials 474 (2014) 186-191

Materials Research, 12 (2009) 151-157
European Polymer Journal, 47 (2011) 1097-1112
International Journal of Materials Research, 1 (2012) 120-130
[10] Yamamoto T., Computer modeling of polymer crystallization - Toward computer-assisted materials’ design.
Journal of Applied Polymer Science, 123 (2012) 108-117