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The flowing water scours base materials again in reverse in the process of being sucked into the void areas [8,9].
The pressure and flow velocity of flowing water are external factors of causing being scoured of base materials.
Scouring base materials make the size of void areas expansion.
Journal of Shanxi Datong University(Natural Science),2008,24(3)：53-55
Journal of Chongqing Jiaotong University (Natural Science),2007,26(5):61-63.

Reaction Mechanism of Iron-rich Magnesia-corundum Composites at 1420°C Haobo Zhang1,a, Yong Li 1,b, Jialin Sun1, Shuo Cao1, Yongqiang Sun1, Yanjing Li 1,2, Changhe Gao1,2 and Jili Zhang 3 1 School of Material Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China 2 Beijing Tongda Refractory Technologies Co.
Specimens were prepared by using iron-rich magnesia and high-pure magnesia as the main starting materials, and introducing fused corundum of 3%(in mass), 6%, 9%, 12%, 15% respectively and sintered at 1420°C.
However, there is no systematic study on in situ preparation of MgO-Al2O3-FeOn composite materials by using iron-rich magnesia and fused corundum.
In this paper, iron-rich magnesia is a source of iron oxides and spinel solid solution bonded periclase materials were synthesized in the reaction between iron-rich magnesia and fused corundum at high temperature.
Momoda, Solubility of MgO in single-crystal Al2O3, International Journal of High Technology Ceramics. 4(1)(1988) 84

This preliminary work showed that hazelnut and peanut fillers could be utilized with proper additives in order to produce the composite materials with good physical and mechanical properties.
Although many studies were conducted on natural fiber reinforced composite materials, studies on waste natural fiber reinforced composites are limited.
Experimental Materials Hazelnut/peanut shell wastes, supplied from the industry, were used as the reinforcing / filling material.
Fabrication and reprocessing steps of composite materials Results and Discussions Effect of the reprocessing on the tensile properties The effect of the reprocessing on the tensile strength (TS) of LDPE and composite materials are exhibited in Fig. 2.
Karmaker AC, Hoffmann A, Hinrichsen G.: Journal of Applied Polymer Science Vol. 54 (1994), p. 1803

Hence they find applications more suitable as a reinforcement material in aluminum based MMCs [2,3].
References: [1] Miracle D.B, “Metal matrix composites- From science to technological significance”, Composites Science and Technology 65 (2005), pp 2526- 2540
[3] Nawathe S., Wong W.L.E., Gupta M., “Using microwaves to synthesize pure aluminum and metastable Al/Cu nano-composites with superior properties”, Journal of Materials Processing Technology, 209 (2009), pp 4890-4895
[4] Torralba J.M, C.E. da Costa, Velasco F, “P/M aluminum matrix composites: an overview”, Journal of Materials Processing Technology, 133(2003), pp 203- 206
Sci, Vol 31, No.7, Dec., pp 1001-1006, Indian Academy of Sciences

The Influence of a Particle Shape Correcting Technique in Properties of Recycled Coarse Aggregate[J].Materials Science and Technology,2005,13(6):579-582. ] proposed a new technology that utilizing the inter-impact and friction of high-speed moving particle.
Experimental Research on Reinforce of Recycled Aggregate[J].New Building Materials,2002,3:6-8. ], water glass solution[[11] Haili CHENG, Caiyan WANG.
Experimental Research on Water Glass Reinforced Recycled Aggregate[J].New Building Materials,2004,12:12-14. ], organic solution[[12] Ye LI.
Microstructural Analysis of Recycled Aggregate Produced from Niño-Enhancement Approach[J].Rare metal Materials and Engineering, 2010,39 (Suppl.2):409-414. ], etc.
Application of Construction Waste in Chiba Cement Factory[J].21 Century Building Materials, 2011, 3:70-71. ].

Materials and methods The object of this study were cylindrical chicken patties[5], the patties were 1.0 cm thick and 6.2 cm in diameter, and contained about 78% water (wet basis).
Journal of Food Engineering, 2007. 78(3): pp. 922-932
Iorio, Transport Phenomena Modeling During Drying of Shrinking Materials.
Journal of Food Engineering, 1999. 42: pp. 139-146
Journal of Hunan University of Science & Technology (Natural Science Edition), 2008 23(2), pp47-51 [7] E.K.

Z direction tensile testing indicated that tensile fracture occurred in basal materials, i.e. strength and contraction of cross area are those of basal materials.
The fracture occurred in basal materials, indicating that cladding interface has good mechanical property.
Ultimate tensile strength (MPa) Reduction of area (%) Fractural location Head 539.4 51.8 Basal material Tail 529.9 59.7 Basal material Basal material 532.3 61.2 (a) (b) (c) (a) (b) Fig. 3 SEM images of cladding interface at various vacuum levels.
Feng: Journal of Anshan University of Science and Technology (In Chinese) Vol.30, No.5, (2007), p. 473
Wang: Journal of Plasticity Engineering (In Chinese) Vol.16, (2009), p 125.

This typical structure of materials, prepared by mechanical alloying is formed by ductile and hard elements.
Ayres de Campos, Journal of Materials Processing Technology, 92-93 (1999) 395-400
Changui, J. of Magnetism and Magnetic Materials, 312 (2007) 310-313 [12] X.
Materials Science and Engineering, A445-446 (2007) 135-140 [13] F.
Materials Science Forum, 584-586 (2008) 977-981

Experimental Materials Poly(vinyl alcohol), (99% degree of hydrolysis); Cellulose nanocrystals ( NCC) were prepared in our laboratory.
Journal of Applied Polymer Science, 103(2), 909–916
Journal of Materials Science: Materials in Medicine, 14(8), 687–691
Mechanical properties of starch-based materials.
Journal of Applied Polymer Science, 97(5), 1783–1794

Yanagidani: International Journal of Rock Mechanics and Mining Sciences Vol. 34(1997), p. 151-162
Gao: International Journal of Rock Mechanics and Mining Sciences Vol. 37(2000), p. 477-488
Unver: International Journal of Rock Mechanics and Mining Sciences Vol. 42(2005), p. 219-235
Feng: Chinese Journal of Rock Mechanics and Engineering Vol. 24(2005), p. 994-998.
Xu: Journal of China University of Mining & Technology Vol. 39(2010), p. 45-49.