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Solution Blow Spun High Performance Co-Polyimide Nanofibers Jing Li1, Junrong Yu*1,a, Jing Zhu2, Yan Wang2, Zuming Hu*1,b and Guocheng Song1 1State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, 201620, Shanghai, China 2College of Material Science and Engineering, Donghua University, 201620, Shanghai, China ayjr@dhu.edu.cn, bhzm@dhu.edu.cn Keywords: Nanofibers, Solution blow spinning, Co-polyimide.
Nanofibers have larger specific surface area, smaller pores, nanoscale fiber diameters and other better performance compared to traditional polyimide materials[7-9].
Zhang, Structures and properties of polyimide fibers containing ether units, Journal of Materials Science 50 (2015) 4104-4114
Klamczynski, Solution blow spinning: A new method to produce micro - and nanofibers from polymer solutions, Journal of Applied Polymer Science 113 (2009) 2322-2330
Orts, Structural and Morphological Characterization of Micro and Nanofibers Produced by Electrospinning and Solution Blow Spinning: A Comparative Study, Advances in Materials Science and Engineering 1 (2013) 438-442

Kurzydlowski1,c 1 Warsaw University of Technology Faculty of Materials Science and Engineering, Woloska 141, 02-507 Warsaw, Poland akingac@inmat.pw.edu.pl, bmalew@inmat.pw.edu.pl, ckjk@inmat.pw.edu.pl Keywords: hydrostatic extrusion, nano-structured materials, grain refinement, mechanical properties.
Materials and Methods The material used in this study was Al-Zn-Mg-Cu (7475) aluminium alloy.
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Department of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China 2.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (50809070 ).
Research on influence of pre-existing crack geometrical and material properties on crack propagation in rocks, J.
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Chinese Journal of Rock Mechanics and Engineering, 22(2003): 552-555

The state-of-the-art membrane technology can effectively compete with the conventional ones in the areas of energy-saving, using simple and non-harmful materials, recovery of minor but valuable compounds from the main stream, easy to operate, low maintenance process [2] to mention a few examples.
Dense inorganic membranes are made of either polycrystalline ceramic materials or metals which select specific gas species to pass through the dense material [3].
Diniz da Costa, Hydrogen gas mixture separation by CVD silica membrane, Journal of Membrane Science, 323 (2008) 144-147
Itoh, Development of tubular substrates, silica based membranes and membrane modules for hydrogen separation at high temperature, Journal of Membrane Science, 267 (2005) 8-17
Xu, Modified dip-coating method for preparation of pinhole-free ceramic membranes, Journal of Membrane Science, 367 (2011) 14-20

In the same time the new low dielectric constant materials are used to the integrated circuit processing.
Introduction With the shrinking of IC feature size and the increasing of metal wiring layer, copper has replaced the aluminum into silicon multilayer materials.
Acknowledgement The work was supported by the Natural Science Foundation for the Youth of Hebei Province (No.
QN2014208), and Outstanding youth science and Technology Innovation Fund of Hebei University of Technology (Project name.
References [1]Hyunseop Lee, Boumyoung Park, Haedo Jeong, Mechanical effect of process condition and abrasive concentration on material removal rate profile in copper chemical mechanical planarization, journal of materials processing technology. 209(2009)1729-1735

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Ag+ is the most usually used ion in antibacterial materials.
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With the development of science and technology and the improvement of people's living standard, Natural gas has been widely applied to daily life.
Filling wall generated temperature cracks and shrinkage cracks, because infilled wall materials and reinforced concrete frame materials with different coefficients of linear expansion, the majority belongs to the old cracks.
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Commercial PCMs are available on the market, from raw phase change materials to enhanced building materials [12].
These materials have greater volumetric latent heat storage capacity than organic materials.
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Linear elastic fracture mechanics (LEFM) can be used for description of crack propagation in brittle materials.
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