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Finally, heat treatment was carried out on the manufactured complex materials.
Structure-property relationships of common aluminum weld alloys utilized as feedstock for GMAW-based 3D metal printing, Materials Science & Engineering A, 673(2016) 511-523
Additive manufacturing using WAAM with AA5183 wire, Journal of Materials Processing Technology, 259(9) (2018) 68-74
Lu, M., Gupta In-situ preparation of TiB2 reinforced Al based composites, Journal of Material Processing Technology, 73 (1998) 160-166
Effect of modification and heat treatment on microstructure and wear properties of Al-Si-Fe/Al-20Si composite, Journal of Functional Materials, 43(22) (2012) 3126-3130

The dispersion characteristic of Lamb wave makes it very complicated to be used in material Nondestructive Testing (NDT).
At present, Lamb wave is mainly used in NDT and evaluation of composite materials and colloform textures etc.
Based on the analysis of frequency dispersion property of multi-mode Ultrasonic Lamb wave, the frequency dispersion curve in the certain material was obtained [2].
Acknowledgments This work is supported by the Natural Science Research Project of Jiangsu Higher Education Institutions of China (No. 10KJB510011), National Natural Science Foundation of China (No. 10904073), Qing Lan Project and the Priority Academic Program Development of Jiangsu Higher Education Institutions.
Xu: Chinese Journal of Lasers Vol. 35 (2010), p. 56 [4] X.

Its’ structure material is Ni.
Vincent De Sars and his companions developed a drive system which used SMA alloy materials to control moving of endoscope[4].
The main structure material is electroplating Ni.
Acknowledgements This work was financially supported by Shanghai Science and Technology Commission(11DZ2290203)and Pre-Research Program of China's electricity science institute (No.51308050304) References [1] ZhengZhitian.
Chinese Journal of Biomedical Engineering. 1998，17(2)：36~41 [4] Vincent De Sars, SinanHaliyo, Jerome Szewczyk.

Probabilistic Analysis of gun barrel ablation life based on the modified response surface model Wei Zhou 1, a Jun Fang 2, b 1Nanjing University of Science and Technology, No. 200, Xiaolingwei, Nanjing, Jiangsu, China 2Nanjing University of Science and Technology, No. 200, Xiaolingwei, Nanjing, Jiangsu, China agudaowuyu@sina.cn, b13813872656@139.com Keywords: gun barrel; ablation life; Response Surface Model; Genetic algorithm; Gauss-Newton method Abstract: The randomness of structural and material parameters needs to be considered in the reliability analysis of gun barrel ablation life.
Table 3 is the sensitive parameters except material parameter [10].
In Chinese [doctoral dissertation].Nanjing: Nanjing University of Science and Technology,2010.
Mathematical Modal for Predicting Melt-erosion in Gun Barrels [J].Gun Launch & Control Journal.2002,(1):5-10.In Chinese [8] Wu Bin, Xia Wei.
Journal of Ballistics, 2009,21(3):44-47.In Chinese

Concrete softening curve reflects the concrete materials’ relationship between the residual strength and the apparent deformation after it reaches the tensile strength, which is an important content of FCM.
This work was also supported by International cooperative research project between Zhejiang University of Technology (College of Civil Engineering and Architecture) and Center for Advanced Cement-Based Materials, Northwestern University, USA.
RICE: Journal of applied mechanics Vol. 35 (1968), p.379-386 [3] Zhifang Zhao.
Petersson: Crack growth and development of fracture zones in plain concrete and similar materials (Stockholm, Lund Institute of Technology,1981) [6] Zhiming Liu, Zhongxian Wang, Hong Su, Yuping Zhu: Journal of Jiangsu University of Science and Technology (Natural Science) Vol. 22(2001), p. 84-87 (In Chinese) [7] Z.P.
Planas: Fracture and size effect in concrete and other quasibrittle materials (CRC Press, Boca Raton 1998) [8] F.H.

Numerical Example and Discussions Using the viscoelastic material properties for epoxy resin [12], the following relaxation function is obtained: Where t = time (min) , 0≤t≤2000h,The Poisson’s ration m is 0.365.
AIAA Journal, 22(1984) , 982-988
International Journal of Non-Linear Mechanics, 32(1997) 1065-1075
Chinese Journal of Theoretical and Applied Mechanics, 38(2006): 41-48 (in Chinese)
S.Vol’mir, Flexible Plates and Shells, Science Press, Beijing, 1959 (in Chinese translation)

Reference [1] YIN ZhouPing, HUANG YongAn, BU NingBin, WANG XiaoMei and XIONG YouLun: Chinese Science Bulletin.
[2] Park J-U: Nature Materials.
Li: Journal of Electrostatics.
[5] Joonghyuk Kim, Hyuncheol Oh, Sang Soo Kim: Journal of Aerosol Science.
[6] S Mishra, K L Barton, A G Alleyne, P M Ferreira and J A Rogers: Journal of Micromechanics and Microengineering.

More efficient methods among commonly used robust estimation methods for similarity transformation Yuan Yuan1, a, Yonghui Ge2, b 1Department of Surveying and Mapping Science and Technology, College of Mining Engineering, Taiyuan University of Technology, 030024 Taiyuan, Shanxi, China.
Materials and methods 2.1.
Acknowledgements This work was financially supported by Shanxi Natural Science Foundation of China (No: 2012011015-2).
References [1] Biswas, S:Pattern Recognition, Vol. 34, (2001), p. 63 [2] Pennacchi, P: Journal of Sound and Vibration, Vol. 310, (2008), p. 923 [3] Information on http://www.ingentaconnect.com/content/maney/sre/pre-prints/1752270612Y.0000000028 [4] Baselga, S: Journal of Surveying Engineering, Vol. 133, (2007), p. 123 [5] El-Hawary, F. and Mbamalu, G.A.N: IEEE Journal of Oceanic Engineering, Vol. 18, (1993), p. 142

So, in this research, the attention will focus on aluminum alloys whose properties are superior to other materials.
Work Material.
International Journal of Engineering Science and Innovative Technology.3, 2 (2014) 294-298
Lobonţiu, Experimental research of effective cutting speed influence on surface roughness in ball end milling of C45 material, Academic Journal of Manufacturing Engineering. 11, 3 (2013) 28-33
Bănică, Experimental Research of Effective Cutting Speed Influence on Surface Roughness in Ball End Milling of C45 Material with Hardness 34 HRC, Applied Mechanics and Materials. 657 (2014) 53-57.

It is due to very high temperature produced in this technique, which can melt high temperature materials such as superalloys and ceramics and deposit them on different substrates.
However, the APS deposited coatings exhibit anisotropic behavior different from conventionally manufactured materials.
Splats are connected to each other and form a lamellae type structure including coating materials, pores, and oxides.
McCartney, Journal of Materials Science, 1997, 32, 863
Mostaghimi, Advanced Engineering Materials, 2008, 10, No.5, 459-465.