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Damage Development in CFRP Laminates under Impact Loading Seung-Min JANG1, a, Tadaharu ADACHI2, b and Akihiko YAMAJI 3, c 1 Department of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo, Japan a jangsmin@meds.pi.titech.ac.jp, badachi@mech.titech.ac.jp, cyamaji@mech.titech.ac.jp Keywords: CFRP laminates, Impact-induced damage, Low-velocity impact Abstract.
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Introduction At present, most domestic materials for infill wall of frame structures are blocks or concrete masonries.
Acknowledgements This work was financially supported by the Steel of Hebei Natural Science Foundation (E2009000073).
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Materials Animal and equipment.KM mice, SPF grade, weight 18 ~ 21g, half male and half female, provided by the experimental animal center of Henan Province, the certificate number: 0003780; KM mice, SPF grade, weight 18 ~ 21g, female, provided by the experimental animal center of Henan Province, the certificate number: 0003780; PC397 stopwatch(supplied by Shenzhen Huibo industry and Trade Co.
Acknowledgements National “Eleventh Five-Year” Plan Surpport（2008BAI53B09）;Scientific and Technological Innovation Research Team in university（2012IRTSTHN011）;Science and Technology Innovation Research Team in Henan College of CM（2010XCXTD03）.
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Optimization of Mechanical Properties of High Strength TRIP Steels Li Lin(1), Gao Yi(2), He Yanlin(1), Shi Wen(1), Zhang Mei(1), Lu Xiao Gang(1) (1) School of Materials Science and Engineering, Shanghai University, 200072 Shanghai, P.R.China (2) Anshan Iron and Steel Group Corporation, 114009 Anshan, P.R.China Key words: superior mechanical property Al addition TRIP steel thermodynamics austenite stability Abstract Traditional TRIP steels have been developed for several decades, however, when the strength reaches 1000MPa, the elongation rate is difficult to be raised over 20%.
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The study is financially supported by the National Natural Science Foundation of China (51205034), Ministry of Transport of the People's Republic of China (2013329225260) and the Fundamental Research Funds for the Central Universities (3132014332).
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At present, technological innovation of coal mining in the world, basically is that the traditional way of solid coal mining change in the exploitation of high-quality clean gas state fuel and chemical raw materials, namely, CBM exploitation and under-ground coal gasification.
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