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| 1 | Precipitation and responding damping behavior of heat-treated AZ31 magnesium alloy显示文摘Microstructure observation and dynamic mechanical analysis were carried out to in- vestigate the precipitation and responding damping behaviors of AZ31 magnesium alloy. All the strain amplitude-dependent damping curves of the aged alloys are located between the curves of solutionized and as-cast alloys, although they have different critical strain amplitudes. The G-L theory is employed to explain the damp- ing mechanism involving the interaction between the dislocation and the precipitated phase. In addition, a damping peak is observed at temperatures close to 330 °C for AZ31 magnesium alloy, which is related to the β-Mg17Al12 phase dissolution. | Diqing WAN Jincheng WANG Gaifang WANG Lin LIN Zhigang FENG Gencang YANG | 2009 | Acta Metallurgica Sinica(English Letters)2009，22，1： | 5 |
| 2 | Growth morphology and evolution of quasicrystal in as-solidified Y-rich Mg-Zn-Y ternary alloys显示文摘A petal-like icosahedral quasicrystal with five branches,which is considered to be the representative morphology of the icosahedral quasicrystal,has been observed in the Y-rich Mg-Zn-Y ternary alloys. Moreover,the polygon-like mor-phology,another pattern of the icosahedral quasicrystal,has also been found in the Y-rich Mg-Zn-Y ternary alloys. The latter morphology results from the evolution of the former one. The growth mechanism of the petal-like morphology of the ico-sahedral quasicrystal was also discussed. Alloying composition,i.e.,Y element content,is a major factor inducing the mor-phology evolution of the icosahedral quasicrystal. | WAN Diqing YANG Gencang CHEN Sulin ZHU Man ZHOU Yaohe | 2007 | Rare Metals2007，26，5： | 4 |
| 3 | Effect of Mn on damping capacities, mechanical properties, and corrosion behaviour of high damping Mg–3<ce:hsp sp='0.25'/>wt.%Ni based alloy显示文摘 | Wan Diqing Wang Jincheng Wang Gaifang Chen Xianyi Linlin Feng Zhigang Yang Gencang | 2008 | Materials Science & Engineering A (-)2008，，1： | 1 |
| 4 | High damping properties of Mg–Si binary hypoeutectic alloys显示文摘 | Wan Diqing Wang Jincheng Wang Gaifang Yang Gencang | 2008 | Materials Letters2008，，3： | 1 |
| 5 | Microstructures and Morphology Evolution of Icosahedral Phase of As-cast Mg_(67.4)Zn_(28.9)Y_(3.7) Ternary Alloy Subjected to the Pouring Temperature显示文摘The microstructure,chemical composition and morphology evolution of icosahedral quasicrystalline phase of Mg67.4Zn28.9Y3.7 ternary alloy were investigated in detail at different pouring temperatures by X-ray diffraction(XRD),scanning electron microscopy(SEM) and energy-dispersive spectrum(EDS).Low interfacial energy favors the formation of I-phase.The experimental results show that the primary I-phase reveals petal-shaped with five and six branches,where each branch has facetted growth morphology with the size ranging from 50 to 100 μm.As the temperature decreases,the polygon-shaped I-phase forms,attributed to the decomposition of branch of petal-shaped I-phase,and then it grows bigger and some of the fine polygons join together to form large polygons.Besides these,(α-Mg+I-phase) eutectic structures disappear and the relative amount of Mg7Zn3 phase increases as the pouring temperature decreases.The chemical composition and morphology evolution of I-phase were also discussed. | Man Zhu Gencang Yang Diqing Wan Suling Cheng Yaohe Zhou | 2009 | Journal of Materials Science & Technology2009，25，4： | 1 |
| 6 | Studies on Karyotypes of Cephanther erecta and C falcala显示文摘 | Yang DiQing Zhu XieFu | 1989 | Acta Phytotaxonomica Sinica1989，27，2： | 1 |
| 7 | Microstructure and Peritectic Reaction within As-solidified Mg-Zn-Y Alloy显示文摘在常规团结技术并且快速的熄灭期间在 Mg-Zn-Y 合金以内包含 icosahedra 阶段(l 阶段) 和水晶的阶段(W 阶段) 的微观结构和包晶体的反应上的调查被执行。包晶体的反应的团结过程在细节被讨论。在 Mg-Zn-Y 合金的团结期间在 W 阶段和 l 阶段之间没有明显的结晶的关系,这被显示出。 | Diqing WAN Gencang YANG | 2008 | Journal of Materials Science & Technology2008，24，3： | 0 |
| 8 | Microstructure and growth morphology of Frank-Kasper phase in rapidly solidified Mg_(32)Al_(17)Zn_(32) ternary alloys显示文摘In the present investigation, the microstructures and growth morphology of Mg32(Al,Zn)49 Frank-Kasper phase in rapidly solidified Mg32Al17Zn32 ternary alloys were studied in detail. The samples were characterised by X-ray diffraction analysis (XRD), scanning electron microscopy (SEM), field-emission scanning electron microscopy (FE-SEM) and energy dispersive spectrum (EDS). The results show that the microstructures mainly consist of Mg32(Al,Zn)49 Frank-Kasper phase and interdendritic Mg-rich Φ-phase. Under rapid solidification condition, Mg32(Al,Zn)49 Frank-Kasper phase reveals a perfect faceted dendritic characteristic in the shape of a three-fold symmetric microstructure with doublet tips in the axes direction. Observations for fracture surfaces show that the growth morphology of Mg32(Al,Zn)49 grains was truncated cubic, and its growth mechanism was also discussed. | ZHU Man YANG Gencang WAN Diqing WANG Zhijun ZHOU Yaohe | 2009 | Rare Metals2009，28，4： | 0 |
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