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| 1 | Table-like magnetocaloric effect and large refrigerant capacity of composite magnetic refrigerants based on LaFe_(11.6)Si_(1.4)H_y alloys显示文摘Composite magnetic refrigerants were prepared by physical mixing LaFe_(11.6)Si_(1.4)H_y alloys with different Curie temperatures(Tc). The phase structures of these LaFe_(11.6)Si_(1.4)H_y alloys were analyzed by X-ray diffraction(XRD) and the magnetocaloric effect(MCE) and refrigerant capacity(RC) of these composite magnetic refrigerants were investigated by experiment and calculation in this paper. The magnetocaloric effect(MCE) and refrigerant capacity(RC) of these composite magnetic refrigerants were investigated by experiment and calculation in this paper. The results indicate the experimental magnetic entropy change(-△S_M)-Tcurve corresponds reasonably with the(-△S_M)-Tcurve calculated by the linear combination of(-△S_M)-T curves of the single material. An optimal mixing ratio can make the composite magnetic refrigerant possess a table-like(-△S_M)-Tcurve which is beneficial to magnetic Ericsson cycle. When three LaFe_(11.6)Si_(1.4)H_y alloys with different T_c are mixed, the full width at half maximum(△T_(FWHM)) of(-△S_M)-T curves is about 48.7 K and the RC is about 177.76 J/kg under a magnetic field change of 2 T. The composite magnetic refrigerants based on LaFe_(11.6)Si_(1.4)H_y alloys can be promising candidates for near room temperature magnetic refrigeration and the work will be helpful to develop novel composite magnetic refrigerants with table-like MCE and large RC. | Lingtong Zhou Yongbai Tang Yungui Chen Huaqiang Guo Wenkai Pang Xi Zhao | 2018 | Journal of Rare Earths2018，36，6： | 5 |
| 2 | Corrosion behavior and magnetocaloric effect of FeNi(1J85) coated LaFe_(11.6)Si_(1.4)/Sn composites显示文摘The FeNi coated LaFe_(11.6)Si_(1.4)/Sn composites were prepared by hot pressing(HP). The microstructure,corrosion behavior and magnetocaloric effect(MCE) of FeNi coated LaFe_(11.6)Si_(1.4)/Sn composites were investigated systematically. The results show that the corrosion resistance of FeNi coated LaFe_(11.6)Si_(1.4)Sn composites is better than that of LaFe_(11.6)Si_(1.4)/Sn composites in deionized water. The maximum magnetic entropy change((-△S_M)^(max)) and relative cooling power(RCP) of FeNi coated LaFe_(11.6)Si_(1.4)/Sn composites are 13.30 J/(kg-K) and 146.25 J/kg, respectively, which are larger than that((-△S_M)^(max), 10.65 J/(kg·K) and RCP, 106.53 J/kg) of LaFe_(11.6)Si_(1.4)/Sn composites in a low magnetic field change of 2 T. FeNi coated LaFe_(11.6)Si_(1.4)/Sn composites possess a more negative slope. The improvement of magnetic properties is due to high permeability FeNi permalloy(1 J85) which improves the itinerant-electron metamagnetic(IEM) transition. So, the method of coating FeNi can provide a new idea for enhancing the corrosion resistance and magnetocaloric effect of La(Fe_xSi_(1-x))_(13)-based materials. | Xi Zhao Ping Fang Yongbai Tang Yungui Chen Lingtong Zhou Huaqiang Guo | 2019 | Journal of Rare Earths2019，37，6： | 3 |
| 3 | The giant magnetocaloric effect in Gd_(5)Si_(2)Ge_(2)with low purity gadolinium显示文摘The giant magnetocaloric effect Gd5Si2Ge2 alloy was prepared with 99wt% low purity commercial Gd. Pow-der XRD and magnetic measurements showed that the Gd5Si2Ge2 alloy annealed at 1200℃ for 1 h had a significant magnetic- crystallographic first order phase transition at about 270 K. The maximal magnetic entropy change is 17.55 J·kg?1·K?1 under a magnetic field change of 0―5 T. The distinct increase of magnetic entropy change belongs to the first-order phase transition from the orthorhombic Gd5Si4-type to the monoclinic Gd5Si2Ge2-type after high temperature heat-treatment. | ZHANG Tiebang CHEN Yungui FU Hao TENG Baohua TANG Yongbai TU Mingjing | 2005 | Chinese Science Bulletin2005，50，16： | 2 |
| 4 | OsHT, a Rice Gene Encoding for a Plasma-Membrane Localized Histidine Transporter显示文摘Using a degenerative probe designed according to the most conservative region of a known Lys- and His-specific amino acid transporter (LHT1) from Arabidopsis, we isolated a full-length cDNA named OsHT (histidine transporter of Oryza sativa L.) by screening the rice cDNA library. The cDNA is 1.3kb in length and the open reading frame encodes for a 441 amino acid protein with a calculated molecular mass of 49 kDa. Multiple sequence alignments showed that OsHT shares a high degree of sequence conservation at the deduced amino acid level with the Arabidopsis LHT1 and six putative lysine and histidine transporters. Computational analysis indicated that OsHT is an integral membrane protein with 11 putative transmembrane helices. This was confirmed by the transient expression assay because the OsHT-GFP fusion protein was, indeed, localized mainly in the plasma membrane of onion epidermal cells. Functional complementation experiments demonstrated that OsHT was able to work as a histidine transporter in Saccharomyces cerevisiae, suggesting that OsHT is a gene that encodes for a histidine transporter from rice.This is the first time that an LHT-type amino acid transporter gene has been cloned from higher plants other than A rabidopsis. | DiLIU WeiGONG YongBAI Jing-ChuLUO Yu-XianZHU | 2005 | Journal of Integrative Plant Biology2005，47，1： | 2 |
| 5 | Indentation creep behavior of AE42 and Ca-containing AE41 alloys 显示文摘 | Huang Deming Chen Yungui Tang Yongbai | 2007 | Materials Letters2007，61，： | 1 |
| 6 | Existence of positive solutions for boundary - value problems of second - order delay differential equations显示文摘 | Ding Yongbai Yuan Tongxu | 2005 | Applied Mathematics Letters2005，18，： | 1 |
| 7 | Tensile and indentation creep behavior of Mg-5% Sn and MZ-5% Sn-2% Di alloys显示文摘 | Hongmei Liu Yungui Chen Yongbai Tang | 2007 | Materials Science and Engineering A2007，，464： | 1 |
| 8 | The microstruct- ure, tensile properties, and creep behavior of as-cast Mg- ( 1-10)% Sn alloys 显示文摘 | Liu Hongmei Chen Yungui Tang Yongbai | 2007 | Journal of Alloys and Compounds2007，440，： | 1 |
| 9 | Compressive creep behavior of Mg–Sn–La alloys显示文摘 | Shanghai Wei Yungui Chen Yongbai Tang Xiaoping Zhang Ming Liu Shufen Xiao Yuanhua Zhao | 2009 | Materials Science & Engineering A2009，，1： | 1 |
| 10 | Adsorption isotherm on fractally porous materials显示文摘 | Yongbai Yin | 1991 | Langmuir1991，7，： | 1 |
| 11 | Interactions of the Directed Plasma from a Cathodic Arc with Electrodes and Magnetic Fields显示文摘 | BILEK MARCELA M M MCKENZIE DAVID R YIN YONGBAI | 1996 | IEEE Transactions on Plasma Science1996，24，5： | 1 |
| 12 | Study of Filter Transport Mechanisms in Fil-tered Cathodic Vacuum Arcs显示文摘 | BILEK MARCELA M M YIN YONGBAI MCKENZIE DAVID R | 1996 | IEEE Transactions on Plasma Science1996，24，3： | 1 |
| 13 | High Etticiency Mo - A1203 Cermet Selective Surfaces for High-Temperatttre Ap- plication显示文摘 | Zhang Qichu Yin Yongbai David R Mills | 1996 | Solar Energy Materials and Solar Cells1996，40，1： | 1 |
| 14 | EMPIRICAL RELATIONSHIP BETWEEN RECOVERABLE STRAIN ENERGY AND TEMPERATURE FOR TiNi AND TiNiCu ALLOYS显示文摘Based on experimental study of the time dependence of the recoverable shape memory effect(SME)of shape memory alloys Ti50Ni50,Ti50Ni48Cu2 and Ti50Ni45Cu5 an empirical re-lationship between recoverable strain energy,U_r,and temperature,T.was derived as:U_r=U_o[1-exp(-mT_R^n)]where m—characteristic constant related to material,and n-shape-temperature sensitivity.The Johnson-Mehl-Aerami’s phenomenological description of the time dependence of phasetransformation was adopted to obtain a semiquantitative relationship associated withrecoverable SME.between thermoelastic martensite transformation and temperature.Thissemiquantitative relationship is correspondent with the empirical expression. | LI Yongsen JIN Yongbai YU Ronghai Institute of Metal research,Academia Sinica,Shenyang,China Associate Professor,Institute of Metal Research,Academia Sinica,Shenyang 110015,China | 1993 | Acta Metallurgica Sinica(English Letters)1993，6，1： | 0 |
| 15 | Magnetic Transition and Magnetic Entropy Change of Gd_5Si_(1.75)Ge_(1.75)Sn_(0.5)显示文摘 | Zhang Tiebang Chen Yungui Tang Yongbai Tu Mingjing | 2005 | Journal of Rare Earths2005，23，4： | 0 |
| 16 | HIGH TEMPERATURE SHAPE MEMORY EFFECT AND PRE-DEFORMATION FOR Ti_(50) Ni_(13) Pd_(37) ALLOY显示文摘The dependence of high temperature shape memory effect on the pre-deformation tempera-ture of the Ti50Ni3Pd37 alloy has been studied.This alloy,of which the reverse transformationstart temperature on heating is 620 K,has both one-way and two-way shape memory effects.The maximum shape memory strain of the ahoy may be obtained under pre-deformation inthe range of 620 to 640 K.This seems to be related to the minimum recoverable strain energyemerged from the above mentioned temperature range. | LI Yongsen JIN Yongbai YU Ronghai Institute of Metal Research,Academia Sinica,Shenyang,China Associate Professor,Institute of Metal Research,Academia Sinica,110015 Shenyang 110015,China | 1990 | Acta Metallurgica Sinica(English Letters)1990，3，5： | 0 |
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