5篇
您的检索式：作者名="LONG Xinggui"
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| 1 | Compositional dependence of hydrogenation performance of Ti-Zr-Hf-Mo-Nb high-entropy alloys for hydrogen/tritium storage显示文摘A series of Ti-Zr-Hf-Mo-Nb high-entropy alloys with different Mo concentrations were developed as candidate materials for hydrogen/tritium storage in solid phase.The crystal structures and hydrogenation properties of the Ti-Zr-Hf-Mo-Nb alloys were investigated by X-ray diffraction and differential scanning calorimetry techniques.All the alloys have a body-centred cubic single phase structure.The results demonstrate that the cell volume of the Ti-Zr-Hf-Mo-Nb hydride decreases with increasing Mo concentration,which reduces their thermal stability.The theoretical calculation proposes that the lower binding energy of the Ti-Zr-Hf-Mo-Nb hydride decreases the thermal stability of Ti-Zr-Hf-Mo-Nb alloys with higher Mo content.The great hydrogenation performance for all the Ti-Zr-Hf-Mo-Nb alloys is owing to their reversible single-phase transformation during the hydrogen absorption-desorption cycle,which would be bene ficial to improving the hydrogen recycling rate and preventing the disproportionation.The compositional dependence of the hydrogenation performance of the Ti-Zr-Hf-Mo-Nb alloys was established and will be useful in designing novel hydrogen/tritium storage materials to satisfy the requirements of diffe rent application fields in hydrogen,solar thermal and nuclear energy. | Huahai Shen Jutao Hu Pengcheng Li Gang Huang Jianwei Zhang Jinchao Zhang Yiwu Mao Haiyan Xiao Xiaosong Zhou Xiaotao Zu Xinggui Long Shuming Peng | 2020 | Journal of Materials Science & Technology2020，52，20： | 2 |
| 2 | Influence of process parameters on the microstructure of scandium filmsdeposited by electron-beam evaporation显示文摘 | Wu Qingying Bing Wenzeng Long Xinggui | 2012 | Vacuum2012，86，9： | 1 |
| 3 | Investigations on Hydrogen-absorption kinetics of Ti-V alloys显示文摘 | WAN Jingping PENG Shuming LONG Xinggui | 2009 | Mater Rev2009，21，5： | 1 |
| 4 | First-principles study of He point-defects in HCP rare-earth metals显示文摘He defect properties in Sc, Y, Gd, Tb, Dy, Ho, Er and Lu were studied using first-principles calculations based on density functional theory. The results indicate that the formation energy of an interstitial He atom is smaller than that of a substitutional He atom in all hcp rare-earth metals considered. Furthermore, the tetrahedral interstitial position is more favorable than an octahedral position for He defects. The results are compared with those from bcc and fcc metals. | YANG LI CHEN RuCheng PENG ShuMing LONG XingGui WU ZhongCheng GAO Fei ZU XiaoTao | 2011 | Science China(Physics,Mechanics & Astronomy)2011，54，5： | 1 |
| 5 | Effects of helium on titanium films and the helium diffusion显示文摘Using direct current-magnetron sputtering,Helium-trapped Ti films with a He/Ar mixture was studied.The relative helium content,helium depth profiles for the Ti films and crystallization capacity were analyzed by Enhanced Proton Backscattering Spectrometry(EPBS)and X-ray diffraction(XRD).It was found that helium diffusion enhanced as more helium trapping into Ti films,and the He holding ratios were 95.9%,94.9%,93.9%,82.8% when the Ti films with the He/Ti of concentrations of 9.7 at.%,19.5 at.%,19.7 at.%,48.3 at.% were measured again 4 months later,respectively.The diffraction peaks be-came weak and wider,the peak of(002)plane was shifted to smaller diffraction angles and the relevant interplanar spacing d(hkl)increased gradually as more helium trapping into Ti films.The main peak was made trending to the(101)plane by both higher deposition temperature and more helium trapping. | SONG YingMin LUO ShunZhong LONG XingGui AN Zhu LIU Ning PANG HongChao WU XingChun YANG BenFu ZHENG SiXiao | 2008 | Chinese Science Bulletin2008，53，3： | 0 |
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