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Key words: Barium titanate, Nano powder; Synthetic methods, Supercritical fluid technology Abstract Barium titanate (BaTiO3) used a strong dielectric materials, piezoelectric materials and ferroelectric materials, which is a kind of important electronic ceramic materials.
Feng Dang [30] used BaCl2 and TiCl4 as raw materials.
Takata: Journal of Materials Science, Vol. 30 (1995) No.10, p.2463 [2] G.J.
Rawn: Journal of Materials Science, Vol. 35 (2000) No.12, p.2927 [4] C.J.
Ananta: Materials letters, Vol. 60 (2006) No.12, p.1447 [11] D.Y.Guo, A.Ito, R.Tu and T.Goto: Journal of the European Ceramic Societies, Vol. 1 (2013) No.2, p.197 [12] D.Y.Guo,T.Goto, C.B.Wang, Q.Shen and L.M.Zhang: Materials Letters, Vol. 70 (2012) No.1, p.135 [13] C.

China adkwbill@163.com, bnudtmqs@tom.com, cmaqingsong@nudt.edu.cn,dxzddlht@163.com Keywords: mullite, carbon fibers, sol-gel preparation, SiC coating, mechanical properties Abstract: Three-dimensional carbon fiber reinforced mullite composites (3D-Cf/mullite) were fabricated by sol-gel method with diphasic mullite sol as raw materials.
BN, C, SiC coatings are widely used as interphase materials [7].
F James, Continuous fiber reinforced mullite matrix composites by sol-gel processing Part I Fabrication and microstructures, Journal of Material Science. 32 (1997) 3361-3368 [4] K.
Chawla, Interface engineering in mullite fiber/mullite matrix composites, Journal of the European Ceramic Society. 28 (2008) 447-453 [5] S.
Chawla, Mechanical behavior of mullite composites reinforced with mullite fibers, Material Science and Engineering.

The raw materials were ground to an average particle size of 2.4 mm and treated with phosphoric acid 85% (1.7 mL acid /g material).
In general the spectra for the prepared adsorbents are similar to those reported in the literature for chemical activation of other lignocellulosic materials with H3PO4 [11,12].
Franca, in: Encyclopedia of Food Science Research, edited by C.L.
Özkaya: Journal of Hazardous Materials Vol. 129 (2006), p. 158 [14] L.J.
Hellala: Journal of Hazardous Materials Vol.

O’Neill, Journal of Materials Science.
O’Neill, Journal of Materials Science.
Vol.217(1) (2003), p.119 [8] Kamran Aamir Mumtaz, Poonjolai Erasenthiran, Neil Hopkinson, Journal of Materials Processing Technology. 195(2008), p.77 [9] I.
Asgharzadeh, Materials Science and Technology.
Simchi, Materials Science and Engineering A.

Materials Science and Engineering A213 (1996), p. 103 [2] F.H.
Materials Science and Engineering A 213(1996), p. 8 [6] R.
Materials Science and Engineering C 26 (2006), p. 1269 [14] E.B.
Materials Science and Engineering C 24 (2004), p. 683 [15] N.
Journal of Materials Processing Technology Vol. 150 (2004), p. 2 [16] G.

Test equipment and specimen In this test, the requirement equipments are:  multi-function experimental rig of Mechanics Materials (shown in Fig. 5), XL2118A type strain comprehensive parameter tester, strain gauge, ruler, vernier caliper, etc.
Fig.5 Multi-function experimental rig of Mechanics Materials Fig.6 The specimen installation Test results The same loading process is repeated three times, and the test results are shown in table 1.
Material Mechanics[M].Beijing: High education publishing house,1992
A new finite element solution for internal force and frequencies analysis of the compressed bar[J].Science technology and engineering, 2009,9(21): 6495-6498
Series calculation method of critical load of compression bar with one end fixed and one end hinged[J].Journal of university of science and technology Liaoning, 2011, 34(4):349-351

The distances from the best hitting point to the end of the baseball bat result from the three different materials, which are the bat’s original material, aluminum and the corked material.
Some materials show the lighter the bat is, the hitting accuracy of players with same skill level is higher.2)Ball’s fastest exit speed.
The effect of three different materials on the performance of the bat The change of different materials influnce the mass of bat, the different hardnesses also affect the value of the coefficient of restitution [11].
Journal of Biomechanics 39 (2006) 1001–1009
[9] ZANG Qiu-hua, MA Nan-jing Biomechanical Mechanism of Sweat Area of Tennis Racket and itsPractice SICHUAN SPORTS SCIENCE No.1, Mar.,2003 [10] Lian Yeguang, Lin Haoshan, Wang De-an, “Analysis of Laser Induced Thermal Stress of Metallic Cylindrical Shell”, Journal of Guilin University of Technology, vol. 29, no.1, pp. 158-160, 2009 [11] Practical Handbook of engineering materials Editorial Committee, Practical Handbook of engineering materials, Beijing: China Metrology Publishing Hous

CuAl, CuZr, CuCrZr, CuCoBe, CuCoNiBe, CuBe, CuNiSi, CuNiSiCr, CuW and others etc. materials are used for tip production in the resistance spot welding of hard sheet materials such as stainless steels.
When welding harder sheet materials, such as stainless steels, much higher electrode forces are required but lower welding current.
The chemical composition, physical and mechanical properties of electrode materials used in this study are also given in Table 2.
Abel, "Analysis of Materials for Resistance Spot Welding Electrodes."
Serna, Microstructural transformations of dissimilar austenite-ferrite stainless steels welded joints, Journal of Materials Physics and Chemistry, 1.4 (2013) 65-68.

Here we only consider the effects of composition of cementitious materials and water cement ratio.
Journal of Nanchang University (Natural Science), 2008, 32(6):564-567. [2] Dengxiang Zhang, Weijun Yang.
Journal of Changsha University of Science and Technology (Natural Science Edition), 2008.5(3):88-92. [3] Xuezhuang Zhao.
Cement and Concrete Res, 2000, 30(5): 693−698. [8] Xuequan Wu.Study on the kinetics of hydration of slag cement.Journal of the Chinese Ceramic Society, 1988, 16(5):423-429 [9] Qijun Yu, Shanba Wang,etc.Research of road cement properties and its hydration kinetics, Report of ShandongInstitute of Building Materials, 1994, 8(2) [10] Youzhi Chen, Xincheng Pu.
Journal of Building Materials, 2008, 11(4):403-408. [13] Jingfu Zhang.The hydration,hardening and properties of class G oilwell cement.

Analysis of the Movement of Materials Liling Xu Zhejiang Textile & Fashion College, Ningbo 315211,China Keywords: New Material,High-Technology,Comfort,Functional Abstract.
Exceltech even at minus 20 ℃ will never lose the soft feel, is a very ideal winter sports clothing materials.
Many people are advocating natural materials, against the excessive use of chemical fiber, which will guide the another wave of natural materials, development of new, or the performance of the original material to improve the.
Therefore, nano materials and textile raw materials by having these special functions are combined, can the preparation of various functional fabrics, the use of the multifunctional special performance of nanometer material of high value-added functional fabrics are more and more used to the sports apparel products.
Journal of Hunan Institute of Engineering, 2005; 01 (15):92--94