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The main slope materials are loose Quaternary deposit or discard particles (Fig. 1), which pose difficulties on common lab tests [1,2].
Fig.1 Discard soil particles The digital image processing presents a good way to estimate the character of particles and structures of civil engineering materials [3-5].
International Journal of Rock Mechanics and Mining Sciences, 2004, 41 (3):494-499 [2] Wenjie Xu, Zhongqi Yue, Ruilin Hu.
International Journal of Rock Mechanics and Mining Sciences, 2008,45(5): 749-762 [3] Banta, L., Cheng, K., & Zaniewski, J..
Journal of Physics: Conference Series, 2005, 15, 177-182

Acknowledgements The authors wish to acknowledge supports of Province in Heilongjiang outstanding youth science fund (JC200807), National Natural Science Foundation of China (50975067) and Education Department Project of Heilongjiang Province (11551z005).
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As to the orthotropy of metal materials, in recent years, people who work on metal deformation processes and metal forming pay extensive attention to it, for example references [4-7].
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Giant Magnetostrictive Material (simply called GMM) is a new kind of intelligent material.
So it is an important material for conversion between energy and information[2].
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Test Materials and Methods The test materials are DP590 steel plate and 6061 aluminum plates with the dimension of 150mm × 100mm × 2mm.
Duing the friction stir spot welding of dissimilar material, soft materials, in most cases, will be placed in the upper layer while hard materials, in the lower layer, so as to reduce the tool wear, increase the service life of the stir head and improve the economic efficiency of welding.
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Microstructure and property of friction⁃stir⁃welded lap joint of Al/Fe dissimilar alloys.Ordnance Material Science and Engineering 2016, 39(2):51-54
International Journal of Materials Form 2012, 5(2): 99-107

In order to obtain the high performance composite materials, the improvement of its flexural strength is necessary, and the method of modification is introduced.
Silicone coupling agent can attach the interface of inorganic and organic materials and improve the performance of composite materials.
Furthermore, the coupling agent can generate the excellent interface between organic and inorganic materials with the covalent bond after condensation, dehydration or solidification [6].
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