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The concrete filled steel tubular (CFST) structure takes full advantages of the interaction of two materials in the process of loading, while the thermal performance parameters between steel tube and concrete are different, and the outside temperature changes makes the structural section produce a greater temperature gradient, which leads to the uncoordinated deformation between them.
Introduction Concrete filled steel tube (CFST) structure is a new composition of structure, the overall performances of CFST structure are superior to the simple addition of two kinds of material’ performance through the composition of these two materials, that is, the interaction of two materials is made full use in the process of loading, so such kind of composite structure is widely applied in the actual engineering [1-3].
Acknowledgments It is a project supported by the National Natural Science Foundation (No.51078298).
Venkatesh: Response of concrete-filled HSS columns in real fires, Engineering Journal, vol. 46(2009), no. 4, p. 243-256
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Vol.29 (2008) ,p.120 [3] Wu Bing,LIU Zhong-yin, Zhao Lin-du: Chinese Journal of Management Science.
Vol.16 (2008), p.91 [4] Wu Bing,LIU Zhong-yin: Journal of Tongji University(Natural Science).
Vol.37 (2009), p.1276 [5] Wang Jian-yu, FAN Zhi-ping,JIANG Yan-ping HU Guo-dong: Chinese Journal of Management Science.
Vol. 26（2006）,p.183 [8] Xumei Zhang, Nali Shen, Xiaoping Mao: Advanced Materials Research.
Vol.201-203(2011),p. 773 [9] Weijie Guo, Huan Qi, Qiujun Guo: Advanced Materials Research.

Boundary Separation Approaching Rapid Casting Zeng Feng 1, a, Yao Shan2, Jiao Zhong-Fei2, Zhao Shu-Ming2, Yang Tong2 1 Computer School, JiaYing University, Meizhou, Guangdong province, 514015, China 2 School of Material Science and Engineering, Dalian university of technology, Dalian, Liaoning province, 116024, China azengfeng@jyu.edu.cn Keywords: rapid casting, rapid prototyping, casting propeller Abstract.
It is based on computer numerical control, computer graphics, materials science and technology, computer aided design, digital manufacturing, and laser technology.
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The low temperature and solid-state deposition associated with cold spray allows refractory materials such as Ta, Mo, and W to be deposited without high temperature requirements.
There appears to be very dense and homogeneous flow of material shear present in all coatings.
Yield stress of a material is defined by the onset of 0.2 % plastic deformation which is denoted by Rp0.2.
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Despite all the natural materials have been used in construction materials, black rice husk ash is important to be reviewed based on the rationale of availability and growing rice husk production year by year due to high demand of rice supply.
Beside, the high cost of building materials has been one major hindrance to housing ownership.
Materials and Methods Materials.
The rest of the materials were used at the same ratio for all mixes with water cement ratio of 0.5.
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Traditional back projection(BP) imaging algorithm can be used to obtain 2-dimensional subsurface imaging results of testing materials and thus provide useful information for material nondestructive testing(NDT).
GPR scanning scenario of material inner defects detection is shown in Fig. 3(a).
Simulation results demonstrate its validity in SPR material nondestructive evaluation area.
Acknowledgements This project was supported by National Natural Science Foundation of China (No. 61102139).
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In: Journal of Materials Engineering and Performance 28.5 (2019), pp. 2903-2918
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In: Materials 13.7 (Apr. 2020)
"An approach to micro-macro modeling of heterogeneous materials".

Materials at the nanoscale exhibit an exceptionally high surface-to-volume ratio.
Goia, Core–shell gold/silver nanoparticles: Synthesis and optical properties, Journal of colloid and interface science 392 (2013) 90-95
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