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Phase changes in Ge1Sb2Te4 films induced by single femtosecond laser pulse irradiation HUANG Su-mei (黄素梅), SUN Zhuo (孙 卓), JIN Cai-xia(靳彩霞), HUANG Shi-yong(黄士勇),CHEN Yi-wei (陈奕卫) Department of Physics, East China Normal University, Shanghai 200062, China Received 10 April 2006; accepted 25 April 2006 Abstract: Phase transformations in a Ge1Sb2Te4 system induced by a single......
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Effects of nano-AlN on phase transformation of low temperature vitrified bond during sintering process SHANG Yong(尚 勇)1, HOU Yong-gai(侯永改)1,2, QIAO Gui-ying(乔桂英)3, ZOU Wen-jun(邹文俊)2... studied. Furthermore, the phase transformation during sintering process was investigated by means of thermo-gravimetric analysis (TG), differential thermal analysis (DTA) and X-ray diffraction (XRD......
Novel Phase Transition in BaPr2Mn2O7Hiromi Nakano,Naoki Kamegashira摘 要:<正>The rare earth manganite BaLn2Mn2O7(Ln = rare earth element) has a Sr3Ti2O7-type layered perovskite structure with double-block oxygen octahedra belonging to the Ruddlesden-Popper-type homologous series AO(ABO3)2. In Pr-manganite, a novel phase transition was first observed......
Macro-microscopic morphology and phase analysis of TiAl-based alloys sheet fabricated by EB-PVD method ZHANG De-ming(章德铭)1, CHEN Gui-qing(陈贵清)1, HAN Jie-cai(韩杰才)1, ZHANG Xing-hong(张幸红)1, YAO... was fabricated successfully by using electron beam-physical vapor deposition(EB-PVD) method. The microscopic morphology and phase composition of specimens in various states were analyzed by atomic......
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Dependence of phase selection on cooling rates in as-cast Al-Si-Mg alloys HE Zhi(何 志)1, ZHANG Rui-jie(张瑞杰)2, LIU Yong-qin(刘永勤)1, JIE Wan-qi(介万奇)1 1. College of Materials Science and Engineering... Abstract: The effect of cooling rate on the solidification process of Al-2.06%Si-1.58%Mg was numerically and experimentally investigated. The solidification paths and the phase precipitation sequence......
Effect of ball milling time on microstructure and properties of Laves phase NbCr2 alloys synthesized by hot pressing XIAO Xuan(肖 璇)1, 2, LU Shi-qiang(鲁世强)1, HU Ping(胡 平)1, HUANG Ming-gang(黄铭刚)1...; Abstract: Laves phase NbCr2 alloys with a composition of Nb-66.7Cr (molar fraction, %) were prepared by mechanical alloying and hot pressing. The microstructures and properties of the Laves phase NbCr2......