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您的检索式：作者名="Chengbo Du"
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| 1 | Grain refinement of Mg-Al alloys inoculated by MgAl_(2)O_(4)powder显示文摘As a potent nucleating substrate forα-Mg grain,MgAl_(2)O_(4) powder was used to inoculate the Mg-Al melt in this study.The effects of MgAl_(2)O_(4)amount,holding time and Al content on the grain size and grain refining ratio of the inoculated Mg-Al alloys are systematically investigated.The results show that the minimum grain size of Mg-3Al alloy is achieved by adding 2wt.%MgAl_(2)O_(4)powder and this alloy exhibits higher grain refining ratio than Mg-5Al and Mg-8Al alloys.The crystallographic misfit calculation indicates the wellmatching and possible orientation relationships(ORs)betweenα-Mg and MgAl_(2)O_(4).Among these predicted ORs,[10–10]α−Mg//[110]MgAl2O4 in(0002)α−Mg//(1–13)MgAl2O4 possesses the smallest misfit,i.e.,2.34%(fr).Both results of the experiment and crystallographic calculation demonstrate that the grain refinement of Mg-Al alloys is attributed to the MgAl_(2)O_(4)particles acting as the heterogeneous nucleation substrates forα-Mg grains. | Hengbin Liao Meiyan Zhan Chengbo Li Zhiqiang Ma Jun Du | 2021 | Journal of Magnesium and Alloys2021，9，4： | 7 |
| 2 | Synergistic refining mechanism of Mg-3%Al alloy refining by carbon inoculation combining with Ca addition显示文摘Mg-3%Al alloy was refined by carbon inoculation combining with 0.2%Ca addition.High grain refining efficiency was obtained and the synergistic refining mechanism was deeply discussed in the present study.Al-C-O particles,actually Al4C3 particles,were formed in the carbon-inoculated Mg-3%A1 alloy acting as nuclei forα-Mg grains.Ca addition had no obvious effect on size distribution of the nucleating particles.Ca segregation was proved on Al4C3 particles,which should reduce the interfacial energy of nuclei/Mg.The constitutional undercooling in front of nucleus/liquid was increased from 0.12℃to 0.15℃induced by 0.2%Ca addition.The synergistic grain refining efficiency can be attributed to the higher constitutional undercooling and lower the interface energy of nucleus/Mg induced by Ca addition.More nucleating particles with small size could be activated acting as potent nuclei ofα-Mg grains.Consequently,Mg-3%Al alloy could be effectively refined due to the synergistic effect induced by carbon inoculation combining with Ca. | Chengbo Li Shuqing Yang Jun Du HengBin Liao Gan Luo | 2020 | Journal of Magnesium and Alloys2020，8，4： | 3 |
| 3 | Bayesian-based hybrid simulation approach to project completionforecasting for underground construction显示文摘 | Zhang Sherong Du Chengbo Sa Wenqi | 2013 | AmericanSociety of Civil Engineers2013，21，9： | 1 |
| 4 | Establishment and characterization of immortalized human hepatocyte cell line for applications in bioartificial livers显示文摘 | XiaoPing Pan JianZhou Li WeiBo Du XiaoPeng Yu ChunXia Zhu ChengBo Yu HongCui Cao YiMin Zhang Yu Chen LanJuan Li | 2012 | Biotechnology Letters2012，，12： | 1 |
| 5 | A gaseous time projection chamber with Micromegas readout for low-radioactive material screening显示文摘Purpose Low-radioactive material screening is becoming essential for rare event search experiments,such as neutrinoless double beta decay and dark matter searches in underground laboratories.A gaseous time projection chamber(TPC)can be used for such purposes with large active areas and high efficiency.Methods A gaseous TPC with a Micromegas readout plane of approximately 20×20 cm^(2)is successfully constructed for surface alpha contamination measurements.Results We have characterized the energy resolution,gain stability,and tracking capability with calibration sources.Conclusion With the unique track-related background suppression cuts of the gaseous TPC,we have established that the alpha background rate of the TPC is(0.13±0.03)×10^(−6)Bq/cm^(2),comparable to the leading commercial solutions. | Haiyan Du Chengbo Du Ke Han Shengming He Liqiang Liu Yue Meng Shaobo Wang Tao Zhang Wenming Zhang Li Zhao Jifang Zhou | 2023 | Radiation Detection Technology and Methods2023，7，1： | 0 |
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