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Study on Microstructure and Properties of Mg-9Al-xZn Alloys ZHANG Xi-yan 1,2,a, JIANG Feng 2,4,b , ZHOU Shi-jie 2 , JIA Chong 2, ZHAO Min 3, LI Xue-qin 3 1 Physical Science and Engineering Technology School, Guangxi University, Nanning, 530004, P.R.C 2 School of Material Science & Engineering, Southwest Jiaotong University, Chengdu 610031, P.R.C 3 Nonferrous Metals Manufacturing Co., Chengdu Engine (Group) Co., Ltd., Chengdu 610067, P.R.C 4 P.O.
Materials and Experiments The studied materials include ZM5 alloy that has (7.5~9.0) wt%Al, (0.2~0.8) wt%Zn and (0.15~0.5) wt%Mn, and another alloy based on ZM5 with addition of about 0.15 wt%Ag and more Zn which content reaches (1.5~2.5) wt%, and the latter alloy is identified as ZM5y in this paper for convenience.
Sin., 2002, 38(2): 219~224 (in Chinese) [3] YUAN Xiaoguang, LIU Zheng, XU Yi, Effect of electromagnetic cast on microstructures and mechanical properties of AZ91D alloy, The Chinese Journal of Nonferrous Metals, 2002,12(4)：784~790 (in Chinese) [4] A.
Sin., 2002, 38(7):709~714 (in Chinese) [9] XIAO Xiaoling, LUO Chengping, LIU Jiangwen, et al., Structure of HCP/BCC interphase boundaries in AZ91 Mg-Al alloy, The Chinese Journal of Nonferrous Metals, 2003, 13(1): 15~20 (in Chinese)

Effect of Rosin Ester on Water-resistant Adhesion Oximized RTV-1 Silicone Rubber Sealant Sui-lian Luo1, a, Yang-shan Hu1, b, and Guang Shi1, c Hui-ming Pan2, d 1 School of Chemistry and Environment, South China Normal University, Guangzhou, China 2Insitute of Material Science and Engineering, South China University of Technology, Guangzhou, China aluosuilian@163.com, bhuyanshan666@163.com, cshingguang@scnu.edu.cn, dPhm@scut.edu.cn Keywords: Silicone rubber, Water-resistant, Oximized type Abstract: It is necessary to improve the adhesion of the cured rubber to a substrate as it is used extensively.
Experimental Materials and samples preparation The hydroxyl-terminated polydimethylsiloxane(PDMS,η=30000cp,25) was a commerciallly available product from Jiangxi Xinhou Chemical Co., China.
PDMS and CaCO3 were first put into the kneader mixer(KL-2HV, Chengdu Keqiang Polymer Engineering Co., China) Table 1 Formulations for silicone sealant Materials Content(phr) PDMS 50 CaCO3 50 Crosslinking agent 8 Adhesion promoting agent 0.5-6 Catalyst 0.1 and were mixed 2 h in vacuum at 120.
Agashe: European Polymer Journal Vol. 42 (2006), p. 167 [2] Xiaoming Xu, Yihu Song, Qiang Zheng, Guohua Hu: Journal of Applied Polymer Science Vol.103 (2007), p.2027 [3] Correia, Reuben, U.S.

Model Parameters.Main selected materials and their properties in table 1.
Table 1 Material properties Material name Poisson ratio Density(kg/m3) Elasticity modulus(pa) C30 concrete 0.2 2500 3.0×1010 C20 concrete 0.2 2350 2.55×1010 clad 0.35 2000 1.6×107 sand 0.25 1950 4.0×107 In this model about the pile, the diameter is 0.6m, the outer soil thickness is 0.15m, the length is 6m.
Journal of Geotechnical and Geoenvironmental Engineering.Vol.129 (2003) ,p.1057-1062 [5] Hua-You Chai,Kok-Kwang Phoon,F.ASCE and Dian-Ji Zhang.
Journal of Geotechnical and Geoenvironmental Engineering.Vol.136(2010), p.1200-1208 [6] Xuanming Ding,Hanlong Liu, Bo Zhang.
Science China Technological Sciences.

(Size), Nose Radius Thickness, Rake Angle, Material.
Beitz, Science of construction, Warsaw 1984, Poland [6] R.
Rząsiński, Creating a series of types of technology on the basis of construction series, Proceedings of 18th International Science-Technical Conference-Mašinostroenie i Technosfera XXI.
Gendarz, Technological operators of series of types technology creating, Journal of Achievements in Materials and Manufacturing Engineering 2012. 41(1-2): 155 – 163
Gendarz, Construction and technology similarity, Journal of Achievements in Materials and Manufacturing Engineering 2011. 45(1): 59 – 70.

Aoyama et al. [4] also developed a fixture system with a matrix of support pins to avoid the material deformation of the compliant workpieces during machining.
Yuan (1996),“Deformable Sheet Metal Fixturing: Principles, Algorithms, and Simulations”, Jounal of Manufacturing Science and Engineering, Vol. 118(3), 318-324
Longtin, (2000), “Fixturing of Compliant Parts Using a Matrix of Reconfigurable Pins”, Jounal of Manufacturing Science and Engineering, Vol. 122(4), 766-772
By (1985), “Kinematic Analysis of Workpart Fixturing for Flexible Assembly with Automatically Reconfigurable Fixtures”, IEEE Journal of Robotics and Automation, Vol. 1(2), 86-94
Thompson (1986), “Automated Design of Modular Fixtures for Flexible Manufacturing Systems”, Journal of Manufacturing Systems, Vol. 5(4), 243-252.

Materials and methods Materials.Two conventional aromatic rice cultivars Guixiangzhan, Xinxiangzhan and one hybrid aromatic rice combination Youzawushanxiang, abbriveated as GXZhan, XXZhan and YZWSXiang respectively, were used as the plant material.
Journal of Shihezi University(Natural Science) Vol.23 (2005), P.461-463
Heilongjiang Agricultural Science Vol.3 (2001), P.38-39
Journal of Hunan Agricultural College Vol.4 (1990), P.325-330.

Feeder Raw materials Cutting off and compression cylinder Pressuring cap cylinder Fig. 1 The structure of the nailing machine Problems in Nailing Machine.
Using three-dimensional cell 20node95, body material Q235, elastic modulus 2.07E11Pa, Poisson's ratio 0.3.
Wang: Journal of Agricultural Mechanization Research, Vol. 11 (2004) No.6, p.155.
Yang: Journal of Agricultural Mechanization Research, Vol. 45 (2002) No.3, p.17.
Krishnaiah: Materials Science and Engineering A, Vol. 20 (2008), p.289 [4] X.G.

Usually, the raw material of anionic asphalt emulsifier is cheap and obtained easily, the synthesis process is simple.
Experimental Materials.
Journal of Surfactants and Detergents, 2013, 16(5): 733-738
Journal of Applied Polymer Science, 2004, 94(4): 1456-1460
Advanced Materials Research, 2014, Vols. 989-994: p.189-193.

Materials and methods Samples with approximate dimensions of 30 mm x 30 mm x 10 mm were retrieved from the steel billet (SAE 1070 steel with 0.69%-0.74% Carbon) for the execution of laboratory tests.
With X data at different temperatures and times, Eq. (3) can be used to obtain KC (3) In Eq (3), KC is the oxidation rate constant, X is the depth of material removed by oxidation and t is time.
Jackson, Quantitative treatment of simultaneous decarburization and scaling of steel, Journal of Iron and Steel Institute, (1970), 81
Diffusion coefficient of carbon in austenite, Journal of Metals, Transactions AIME, Vol 188 (1950), 553-560
Master of Science thesis, Materials science and engineering faculty of Rensselaer Polytechnic Institute [8] ASTM Standard E1077-01, 2005, "Standard test methods for estimating the depth of decarburization of steel specimens," ASTM International, West Conshohocken, PA, 2005, DOI: 10.1520/E1077-01R05, www.astm.org

In this test, we select domestic resin and study its material formula.
And the height should also be considered, or the epoxy composite material will spill during the process of vacuum defoamation.
Acknowledgements The authors gratefully acknowledge the support of the National Engineering Research Center of Rapid Manufacturing Demonstration Center in Hebei Province for supplying the raw materials used in the study.
References [1] Yungan Wang: Rapid Tooling and Its Application (Huazhong University of Science & Technology Press, China 2003).
Yang and S.G.Ryu: Journal of Material Processing Technology Vol. 113(2001), p. 280 [4] Jiong Zhang: Study on Rapid Prototyping Material Based on Epoxy Resin (Master Dissertation of Chongqing University, China 2007).