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Knyazeva1,2,3,b 1National Research Tomsk State University, Tomsk, 634050, Russia 2National Research Tomsk Polytechnic University, Tomsk, 634050, Russia 3Institute of Strength Physics and Materials Science SB RAS, Tomsk, 634055, Russia akamilaaligo@gmail.com, banna-knyazeva@mail.ru Keywords: solid-phase synthesis, combustion, welding, dissimilar materials, phase transition.
Good bonding was achieved between the parent materials.
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As a result, the properties of Sr2+ containing materials could be different from Ca2+ containing materials.
Sr-doped (x=0.1) materials showed electrical conductivity characteristics of semiconductor materials.
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Damping Responses of Viscoelastic Composite Material Structure Muhammad Iqbal Sabir 1, a , Guo Wan-Tao2, b , Liu Er-Bao 1, c, Li Li1, d,* 1 College of Materials Science & Chemical Engineering, Harbin Engineering University, China 2 LuoYang Ship Material Research Institute, LuoYang, China a iqbalsabir@hotmail.com, b guowantao@sohu.com, c liutong_05@163.com, d,* lili_heu@hrbeu.edu.cn Keywords: Composite materials, Viscoelastic, nonlinear Damping, Vibration Abstract: The work reported in this paper describes the behavior and prediction of damping properties of the 3D composite laminated engine mount shell structure.
Viscoelastic materials have been widely used for that purpose.
The continuous desire for materials having excellent properties, which would be light, stiff and have better damping characteristics have lead to consider composite materials not only from the point of view of how stiff or strong they are, but also from the point of view of how good a damping they can provide.
Experimental and analytical characterization of damping is not easy, even with conventional structural materials; and the orthotropic type of composite materials get even more complex.
This study presents that composite materials have the potential to use as engine or damping mounting devices.

The problem of an anti-plane crack situated in the interface of functionally graded piezoelectric materials (FGPMs) and homogeneous piezoelectric materials (HPMs) is considered under the impermeable assumption of crack surfaces.
However, for the interfacial crack problem of piezoelectric materials, some results have been reported.
Basic equations Fig. 1 shows the configuration of FGPMs bonded to HPMs denoted as materials 1 and 2, respectively.
Acknowledgements The research is supported by the National Natural Science Foundation of China (No11172332.)
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Experimental Starting materials were polyvinyl pyrrolidone PVP [Mw = 1,300,000 and Mw = 160,000 g/mole], purchased from Aldrich.
The materials were used as received without any further purification.
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Zussman, "YBCO nanofibers synthesized by electrospinning a solution of poly (acrylic acid) and metal nitrates," Journal of Materials Science, vol. 43, pp. 1664-1668, 2008

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A good dispersion of powders is crucial to obtain the sintered materials with superior properties.
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Obtained a new material named foamed bamboo fiber cushion packaging materials for the express packaging .
Compared their products and got that the product using bamboo pulp had better performance. and the foam bamboo fiber material is a cushion packaging materials which main constituents are based on natural raw materials.
Bamboo fiber foam cushioning materials research [J].
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The application of the materials is described, including lead frame materials, electrified contact wires materials, electrode Materials.
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Emergency materials reserve problems analysis Though, our country has set up the materials guarantee system responding to emergencies, the actual emergency supply is unable to meet the demand.
Long-term cooperation with the manufacturers of emergency materials can ensure the sufficient supply even if the stored materials are facing an emergent shortage, which help ensure the efficient response to the emergent disaster rescue.
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