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| 1 | Hot Corrosion Behavior of Double-ceramic-layer LaTi_2 Al_(9)O_(19)/YSZ Thermal Barrier Coatings显示文摘LaTi 2 Al 9 O 19 (LTA) exhibits promising potential as a new kind of thermal barrier coating (TBC) material, due to its excellent high-temperature capability and low thermal conductivity. In this paper, LTA/yttria stabilized zirconia (YSZ) TBCs are produced by atmospheric plasma spraying. Hot corrosion behavior and the related failure mechanism of the coating are investigated. Decomposition of LTA does not occur even after 1 458 hot corrosion cycles at 1 373 K, revealing good chemical stability in molten salt of Na 2 SO 4 and NaCl. However, the molten salt infiltrates to the bond coat, causing dissolving of the thermally grown oxide (TGO) in the molten salt and hot corrosion of the bond coat. As a result, cracking of the TBC occurs within the oxide layer. In conclusion, the ceramic materials LTA and YSZ reveal good chemical stability in molten salts of Na 2 SO 4 and NaCl, and the bond coat plays a significant role in providing protection for the component against hot corrosion in the LTA/YSZ TBCs. LTA exhibits very promising potential as a novel TBC material. | XIE Xiaoyun GUO Hongbo GONG Shengkai XU Huibin | 2012 | Chinese Journal of Aeronautics2012，25，1： | 9 |
| 2 | Phase stability and thermal conductivity of ytterbia and yttria co-doped zirconia显示文摘Rare earth oxides doping has been extensively investigated as one of the effective methods to lower thermal conductivity of 4.55 mol% Y2O3stabilized ZrO2(YSZ) thermal barrier coatings(TBCs).In the present work,5–6 mol% Yb2O3and Y2O3co-doped ZrO2ceramics were synthesized by solid reaction sintering at 1600 1C.The phase stability of the samples after heat treatment at 1500 1C was investigated.Yb2O3and Y2O3co-doped zirconia,especially when Yb2O3/Y2O3≥1,contained less monoclinic phase than single Yb2O3or Y2O3phase doped zirconia,indicating that co-doped zirconia was more stable at high temperature than YSZ.The thermal conductivity of the 3 mol% Yb2O3+3 mol% Y2O3co-doped ZrO2was 1.8 W m 1K 1at 1000 1C,which was more than 20% lower than that of YSZ. | Leilei Sun Hongbo Guo Hui Peng Shengkai Gong Huibin Xu | 2013 | Progress in Natural Science:Materials International2013，23，4： | 3 |
| 3 | Versatile metal graphitic nanocapsules for SERS bioanalysis显示文摘The novel graphitic nanomaterial of metal graphitic nanocapsules(MGNs) with superior stability, unique optical properties and biocompatibility possess great potential in biomedical and bioanalytical applications. The graphitic shell can quench the background fluorescence interference from external environments via a fluorescence resonance energy transfer(FRET) process and even avoid unnecessary reactions catalyzed by inner metal core. The graphitic shell with several characteristic Raman bands itself can act as Raman signal probe or internal standard(IS), especially the 2D-band within the cellular Raman-silent region helps to reduce the interference signals from external conditions. The present context attempts to give a comprehensive overview about the preparation and unique properties of MGNs as well as their applications in SERS biodetection and bioimaging. | Shengkai Li Jiamei Xu Shen Wang Xin Xia Long Chen Zhuo Chen | 2019 | Chinese Chemical Letters2019，30，9： | 2 |
| 4 | Serum mitochondrial tsRNA serves as a novel biomarker for hepatocarcinoma diagnosis显示文摘Hepatocellular carcinoma(HCC),which makes up the majority of liver cancer,is induced by the infection of hepatitis B/C virus.Biomarkers are needed to facilitate the early detection of HCC,which is often diagnosed too late for effective therapy.The tRNA-derived small RNAs(tsRNAs)play vital roles in tumorigenesis and are stable in circulation.However,the diagnostic values and biological functions of circulating tsRNAs,especially for HCC,are still unknown.In this study,we first utilized RNA sequencing followed by quantitative reverse-transcription PCR to analyze tsRNA signatures in HCC serum.We identified tRF-Gln-TTG-006,which was remarkably upregulated in HCC serum(training cohort:24 HCC patients vs.24 healthy controls).In the validation stage,we found that tRF-Gln-TTG-006 signature could distinguish HCC cases from healthy subjects with high sensitivity(80.4%)and specificity(79.4%)even in the early stage(Stage I:sensitivity,79.0%;specificity,74.8%;155 healthy controls vs.153 HCC patients from two cohorts).Moreover,in vitro studies indicated that circulating tRF-Gln-TTG-006 was released from tumor cells,and its biological function was predicted by bioinformatics assay and validated by colony formation and apoptosis assays.In summary,our study demonstrated that serum tsRNA signature may serve as a novel biomarker of HCC. | Shoubin Zhan Ping Yang Shengkai Zhou Ye Xu Rui Xu Gaoli Liang Chenyu Zhang Xi Chen Liuqing Yang Fangfang Jin Yanbo Wang | 2022 | Frontiers of Medicine2022，16，2： | 2 |
| 5 | Influence of Annealing on the Grain Growth and Thermal Diffusivity of Nanostructured YSZ Thermal Barrier Coating显示文摘nanostructured 氧化锆涂层被大气所致的血浆祈祷扔。扫描电子显微镜学(SEM ) ,传播电子显微镜学(TEM ) 和 X-raydiffraction 被用来调查氧化锆涂层的微观结构。在正常温度的 Thermaldiffusivity 价值被激光闪光技术评估了。在氧化锆涂层的微观结构进化上退火的效果被执行了。谷物和热扩散性与增加退火的时间和温度被增加。谷物根据 GRIGC 种这(谷物旋转导致了谷物结合) 机制。热扩散性的增加在 nanostructuredzirconia 涂层的孔被归因于谷物生长和减少。 | Na WANG Chungen ZHOU Shengkai GONG Huibin XU | 2006 | Journal of Materials Science & Technology2006，22，6： | 2 |
| 6 | On improving the phase stability and thermal expansion coefficients of lanthanum curium oxide solid solutions显示文摘 | Ma Wen Gong Shengkai Xu Huibin | 2006 | Scripta Mater2006，54，8： | 1 |
| 7 | Effect of thermal exposure on the microstructure and properties of EB-PVD gradient thermal barrier coatings显示文摘 | Guo Hongbo Gong Shengkai Khor K A Xu Huibin | 2003 | Surface and Coatings Technology2003，168，1： | 1 |
| 8 | Oxidation behavior of TiAl/TiAl-SiC gradient coatings on gamma titanium aluminides 显示文摘 | Gong Shengkai Xu Huibin Yu Qihui | 2000 | Surf Coat Techn2000，130，1： | 1 |
| 9 | A single mutation underlying phenotypic convergence for hypoxia adaptation on the Qinghai-Tibetan Plateau显示文摘Dear Editor,The Qinghai-Tibet Plateau(QTP)is the highest and largest plateau in the world;its altitude exceeds 4500 m on average,posing great physiological challenges such as severe hypoxia for endemic wild mammals on the plateau.1 To cope with such a harsh environment,the phylogenetically distant QTP endemic mammals have independently evolved similar morphological and physiological traits. | Donqming Xu Cuiping Yang Qiushuo Shen Shengkai Pan Zhen Liu Tongzuo Zhang Xin Zhou Menglong Lei Peng Chen Hui Yang Tao Zhang Yuanting Guo Xiangjiang Zhan Yongbin Chen Peng Shi | 2021 | Cell Research2021，31，9： | 1 |
| 10 | Low-pressure plasma-sprayed Al–Cu–Fe–Cr quasicrystalline coating for Ti-based alloy oxidation protection显示文摘 | Juan Kong Chungen Zhou Shengkai Gong Huibin Xu | 2002 | Surface & Coatings Technology2002，，3： | 1 |
| 11 | Investigation on hot-fatigue behaviors of gradient thermal barrier coatings by EB-PVD显示文摘 | Hongbo Guo Shengkai Gong Chungeng Zhou Huibin Xu | 2001 | Surface & Coatings Technology2001，，2： | 1 |
| 12 | Isothermal Oxidation Behavior of Dysprosium/S-Doped β-NiAl Alloys at 1200°C显示文摘A β-NiAl alloy with normal purity, a S-doped and a Dy and S co-doped b-NiAl alloys were prepared by arc-melting and their corresponding S contents were less than 20×10 6, 33×10-6 and 22×10-6, respectively. The isothermal oxidation behavior of the alloys at 1200° C was investigated and the extent of S segregation at the scalee alloy interface was determined by scanning Auger microscopy. S-doping had no significant effect on the phase transformation rate from q- to a-Al2O3, while the addition of Dy retarded this process. For the Sdoped alloy, scale rumpling occurred only after 2 h thermal exposure and numerous large voids were observed at the scalee alloy interface where S segregated. In contrast to this, the oxide scale formed on the Dy and S co-doped alloy still remained flat even after 50 h isothermal oxidation and only small voids existed at the interface where S segregation was not detected. | Lu Wang Dongqing Li Jian Chang Hongbo Guo Shengkai Gong Huibin Xu | 2014 | Journal of Materials Science & Technology2014，30，3： | 1 |
| 13 | Formation and oxidation behavior of Al-Cu-Fe quasicrystal 显示文摘 | ZHOU Chungen XU Huibin GONG Shengkai | 2002 | J Mater Sci Technol2002，18，3： | 1 |
| 14 | Novel thermal barrier coatings based on La 2 Ce 2 O 7 /8YSZ double-ceramic-layer systems deposited by electron beam physical vapor deposition显示文摘 | Wen Ma Shengkai Gong Hefei Li Huibin Xu | 2007 | Surface & Coatings Technology2007，，12： | 1 |
| 15 | Novel microstructure of EB-PVD double ceramic layered thermal barrier coatings显示文摘 | Qiuli Wei Hongbo Guo Shengkai Gong Huibin Xu | 2007 | Thin Solid Films2007，，16： | 1 |
| 16 | The thermal cycling behavior of Lanthanum–Cerium Oxide thermal barrier coating prepared by EB–PVD显示文摘 | Wen Ma Shengkai Gong Huibin Xu Xueqiang Cao | 2005 | Surface & Coatings Technology2005，，16： | 1 |
| 17 | On improving the phase stability and thermal expansion coefficients of lanthanum curium oxide solid solutions 显示文摘 | Ma Wen Gong Shengkai Xu Huibin Cao Xueqiang | 2006 | Scripta Materialia2006，54，： | 1 |
| 18 | Texture formation mechanismof vapor - deposited fcc thin film on polycrystal or amorphous substrate 显示文摘 | Li Zhilin Xu Huibin Gong Shengkai | 2004 | Journal of Physical Chemistry B2004，108，15： | 1 |
| 19 | 显示文摘 | Ma Wen Gong Shengkai Xu Huibin | 2006 | Surf Coat Techn2006，200，： | 1 |
| 20 | Crystallization Kinetics of NiTi Films with Different Ni Contents显示文摘Three kinds of NiTi films with different Ni contents were prepared by DC magnetron sputtering. The crystallization kinetics of amorphous films was determined by using non-isothermal single- scan techniques. The results show that the activation energy of crystallization of Ni-rich NiTi film(Ni 51.10 at. pct, Ti 48.90 at. pct) is 715 kJ/mol; while that of Ti-rich films are similar: one is 445 kJ/mol (Ni 46.74 at. pct. Ti 53.26 at. pct), the other is 418 kJ/mol (Ni 43.21 at. pct, Ti 56.7g at. pct), which i5 lower than Ni-rich film. The Avrami parameter n of different films are 0.92 and 0.74 for Ni-rich film and Ti-rich films, respectively. The difference of kinetic parameters for NiTi films with various Ni contents implies that the crystallization behaviors of these films are distinct, which is confirmed by the calculated isothermal kinetics at different temperatures. The thorough research on this phenomenon is in progress. | Xunyong JIANG, Huibin XU and Shengkai GONG Department of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China | 2001 | Journal of Materials Science & Technology2001，17，4： | 1 |
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