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Wee 4 1 Department of Metallurgy and Materials Engineering, Changwon Nat.
Univ., Changwon, Korea 2 Department of Materials Science and Engineering, Gyungsang Nat.
Univ., Jinju, Korea 3 Department of Materials Science and Engineering, Kumoh Nat.
Univ., Gumi, Korea 4 Department of Materials Science and Engineering, KAIST, Daejeon, Korea a rosa@changwon.ac.kr, b ljh@changwon.ac.kr Keywords: Ni3Al, Dendrite fiber, Directional Solidification, Ductility, Strength Abstract: Ni3Al shows the unique feature of increasing strength with increasing temperature.
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Acknowledgement The authors would like to thank the supports by National Natural science Fund Project(51075253),Innovation Foundation of SHU.
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College of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China; 2.
Shanghai Hiyou Environment Protection material CO.
Department of Material Science and Engineering, Zhejiang 310027, China ∗ Corresponding author.
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The city ecological system includes not only biological factors (plants, animal, bacillus, epiphyte, and virus) and non-biological factors (light, heat, water, and atmosphere), but also human factor, and social and economical factor, and these factors form an interior associated whole by the energy flow, chemical circulation of biological earth, and materials supply and waste disposal system.
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There have been achievements using this type of method to solve plane elasticity issues with complex defects, namely, articles [1-6] which applied such method to address crack problems of elliptical holes, double-crack problems of elliptical holes, four-edge crack problems of round holes, periodic radial cracks of circular holes, star-crack problems, circular holes with k radial edge cracks, and so on; but achievements that used this method to solve complex defect problems in quasicrystal materials are still relatively scarce.
The quasicrystal is a condensed matter newly discovered in 1984.[7] As a new functional material, and structural material, the quasicrystal has extensive application aspects; its mathematical elastic mechanics as well as defect mechanics has been the research objective of many mathematicians.
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Introduction Brick is one kind of building materials with long history.
Set type of all material for isotropic.
Acknowledgements Thanks for the support of national natural science funds project (50978177) and Shanxi Province science research project (20110313026-3).
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Steel fiber reinforced lightweight aggregate concrete (SFLWC) as a ductile material, significantly improves many engineering properties of LWC, especially impact strength and toughness.
Experimental procedure Materials.
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