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Brazing of ceramic-to-ceramic and ceramic-to-metal joints in air

Kirsten BOBZIN, Thomas SCHLAEFER, Lidong ZHAO, Nils KOPP, Arne SCHLEGEL

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 125-129 doi: 10.1007/s11465-010-0007-z

Abstract: and AgCuTi braze alloys could also be used to produce brazed joints with the SOFC materials ceramic yttriastabilized zirconia and steel X1CrTiLa22.

Keywords： reactive air brazing (RAB)     X1CrTiLa22     Al2O3     yttria stabilized zirconia (YSZ)     solid    

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Preparation and characterization of nanocrystalline ZrO2-7%Y2O3 powders for thermal barrier coatings by high-energy ball milling

Kirsten BOBZIN, Lidong ZHAO, Thomas SCHLAEFER, Thomas WARDA

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 176-181 doi: 10.1007/s11465-011-0220-4

Abstract:

High-energy ball milling is an effective method to produce nanocrystalline oxides. In this study, a conventional ZrO2-7%Y2O3spray powder was ball-milled to produce nanocrystalline powders with high levels of crystalline disorders for deposition of thermal barrier coatings. The powder was milled both with 100Cr6 steel balls and with ZrO2-3%Y2O3 ceramic balls as grinding media. The milling time was varied in order to investigate the effect of the milling time on the crystallite size. The powders were investigated in terms of their crystallite sizes and morphologies by X-ray diffraction analysis (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The results show that under given milling conditions the powder was already nanostructured after 40 min milling. The crystallite size decreased significantly with increasing milling time within first 120 min. After that, a further increase of milling time did not lead to a significant reduction of the crystallite size. Ball-milling led to lattice microstrains. Milling with the steel balls resulted in finer nano-sized crystal grains, but caused the contamination of the powder. The nano-sized crystal grains coarsened during the heat-treatment at 1250°C.

Keywords： nanostrucured powders     yttria stabilized zirconia (YSZ)     high-energy ball milling     thermal barrier coatings    

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Selective conversion of cellulose to hexitols over bi-functional Ru-supported sulfated zirconia and silica-zirconia

Zhiqiang Song,Hua Wang,Yufei Niu,Xiao Liu,Jinyu Han

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 4,   Pages 461-466 doi: 10.1007/s11705-015-1543-1

Abstract: selective conversion of microcrystalline cellulose to hexitols over bi-functional Ru-supported sulfated zirconiaand silica-zirconia catalysts.Monoclinic zirconia appeared at the calcination temperature of 873 K, and the content of monoclinic phaseCompared with sulfated zirconia catalyst, sulfated silica-zirconia catalysts possessed a higher ratioThe reaction results indicated that the tetragonal zirconia, which is necessary for the formation of

Keywords： hexitols     cellulose     hydrogenation     sulfated zirconia     ruthenium    

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Mechanical properties of stabilized artificial organic soil

XU Riqing, GUO Yin, LIU Zengyong

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 2,   Pages 161-165 doi: 10.1007/s11709-008-0023-9

Abstract: In order to study the influence of organic matter on the mechanical properties of stabilized soil andTest results indicated that the strength of stabilized soil decreased in the form of a logarithmic functionThe strength of cement stabilized organic soil was reinforced greatly by adding the stabilizer XGL2005the content of the cement, the organic matter content and the stabilization agent on the strength of stabilized

Keywords： compressive strength     stabilized     stabilization     regression analysis     stabilizer XGL2005    

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Effect of alumina and zirconia as binders on the activity of Fe-BEA for NH

Jin Shi, Zihao Zhang, Mingxia Chen, Zhixiang Zhang, Wenfeng Shangguan, Shunchao Gu, Hirano Shin-ichi

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-018-1012-4

Abstract: The addition of alumina and zirconia as binders to the Fe-BEA led to a different effect on NO conversionFor the Fe-BEA with zirconia sample, NO oxidation and storage abilities decreased due to the less iron

Keywords： NH3-SCR     NO     Fe-BEA     Binder     Alumina     Zirconia    

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total oxidizable carbon, phosphate and various metallic ions from HO solution with amino-functionalized zirconia

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 470-482 doi: 10.1007/s11705-022-2231-6

Abstract: Amino-functionalized zirconia was synthesized by the co-condensation method using zirconium butanol andFourier transform infrared (FTIR) and Zeta potential showed that the content of N in amino-functionalized zirconiaconducted using simulated solutions showed that the adsorption process of phosphate on amino-functionalized zirconia

Keywords： adsorption     zirconia     total oxidizable carbon     phosphate     metallic ions     hydrogen peroxide    

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Biopolymer-stabilized emulsions on the basis of interactions between β -lactoglobulin and ι -carrageenan

Qiaomei RU, Younghee CHO, Qingrong HUANG,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 399-406 doi: 10.1007/s11705-009-0253-y

Abstract: -Carrageenan and -lactoglobulin (-lg) stabilized oil-in-water (O/W) emulsions, which can be used forWe found that -lactoglobulin and-carrageenan stabilized emulsions can be formed at pH values of 6.0,However, the microstructures of emulsions stabilized by -lactoglobulin and -carrageenan was identified
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High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 487-503 doi: 10.1007/s11465-021-0635-5

Abstract: control algorithm that substantially enhances the anti-disturbance performance of a gear-drive gyro-stabilized

Keywords： inertially stabilized platform     floating gear tension device     nonlinear friction     disturbance compensation    

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Preparation of ceria-zirconia solid solution with enhanced oxygen storage capacity and redox performance

Lijing MENG, Licheng LIU, Xuehong ZI, Hongxing DAI, Hong HE, Zhen ZHAO, Xinping WANG,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 164-171 doi: 10.1007/s11783-010-0019-2

Abstract: method called ultrasonic-assisted membrane reaction (UAMR) was reported for the fabrication of ceria-zirconiaA series of ceria-zirconia solid solutions with different Ce/Zr molar ratios were prepared by the UAMRproved to be superior, especially when the Ce/Zr molar ratio was lower than 1, in fabricating ceria-zirconia

Keywords： membrane reaction     ceria-zirconia     Ce/Zr molar ratio     solid solution     hydrogen temperature-programmed reduction    

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Polysulfone and zirconia composite separators for alkaline water electrolysis

Li XU, Wei LI, Yan YOU, Shaoxing ZHANG, Yingchun ZHAO

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 154-161 doi: 10.1007/s11705-013-1331-8

Abstract: The novel composite separators composed of polysulfone and zirconia were prepared by phase inversion

Keywords： phase inversion     separator     alkaline water electrolysis     mechanical and chemical stability    

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Characteristics of the stabilized/solidified municipal solid wastes incineration fly ash and the leaching

Yan SHAO,Haobo HOU,Guangxing WANG,Sha WAN,Min ZHOU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 192-200 doi: 10.1007/s11783-014-0719-0

Abstract: The characteristics of the stabilized/solidified fly ash, including metal leachability, mineralogicalThe stabilized/solidified fly ash shows a dense and homogeneous microstructure.

Keywords： municipal solid waste incineration (MSWI) fly ash     blast furnace slag     leaching behavior     Cr     Pb    

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Remediation of soil and groundwater contaminated with organic chemicals using stabilized nanoparticles

Zhengqing Cai, Xiao Zhao, Jun Duan, Dongye Zhao, Zhi Dang, Zhang Lin

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1263-8

Abstract: Abstract ▪ Overviewed evolution and environmental applications of stabilized nanoparticles. ▪ Reviewedfor enhanced reactivity/deliverability. ▪ Examined various in situ remediation technologies based on stabilizedkey knowledge gaps and future research needs on stabilized nanoparticles.Due to improved soil deliverability and high reactivity, stabilized nanoparticles have been studied forapplications; and 5) identify the knowledge gaps and future research needs pertaining to stabilized

Keywords： Stabilized nanoparticle     In-situ remediation     Organic contaminant     Soil remediation     Groundwater     Fate    

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Effect of polymer structures on electro-optical properties of polymer stabilized liquid crystal films

WANG Shoulian, HE Jie, ZENG Yu, YAN Bin, WANG Yinghan

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 265-268 doi: 10.1007/s11705-008-0054-8

Abstract: The polymer stabilized liquid crystal (PSLC) film is a relatively novel electro-optical material, which
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Structural characteristics of cement-stabilized soil bases with 3D finite element method

Yunfeng PENG, Yunlong HE,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 428-434 doi: 10.1007/s11709-009-0059-5

Abstract: Cement-stabilized soil bases have been widely used in expressways due to its high strength, appropriateSo far, the structural characteristics and mechanical behaviors of cement-stabilized soil bases weremethod (FEM) was used to analyze the mechanical behaviors and structural characteristics of cement-stabilizedConsidering the construction process, the structural characteristics and mechanical behaviors of cement-stabilizedFurthermore, the general rules of deformations and stresses in cement-stabilized soil bases under different

Keywords： different     strength     asphalt-concrete pavement     FEM     appropriate stiffness    

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Unconfined compressive strength prediction of soils stabilized using artificial neural networks and support

Alireza TABARSA, Nima LATIFI, Abdolreza OSOULI, Younes BAGHERI

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 520-536 doi: 10.1007/s11709-021-0689-9

Abstract: unconfined compressive strength of soils using additives as well as by predicting the strength behavior of stabilizedThe soils used in this study are stabilized using various combinations of cement, lime, and rice husk

Keywords： unconfined compressive strength     artificial neural network     support vector machine     predictive models     regression    

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Title Author Date Type Operation

Brazing of ceramic-to-ceramic and ceramic-to-metal joints in air

Kirsten BOBZIN, Thomas SCHLAEFER, Lidong ZHAO, Nils KOPP, Arne SCHLEGEL

Journal Article

Preparation and characterization of nanocrystalline ZrO2-7%Y2O3 powders for thermal barrier coatings by high-energy ball milling

Kirsten BOBZIN, Lidong ZHAO, Thomas SCHLAEFER, Thomas WARDA

Journal Article

Selective conversion of cellulose to hexitols over bi-functional Ru-supported sulfated zirconia and silica-zirconia

Zhiqiang Song,Hua Wang,Yufei Niu,Xiao Liu,Jinyu Han

Journal Article

Mechanical properties of stabilized artificial organic soil

XU Riqing, GUO Yin, LIU Zengyong

Journal Article

Effect of alumina and zirconia as binders on the activity of Fe-BEA for NH

Jin Shi, Zihao Zhang, Mingxia Chen, Zhixiang Zhang, Wenfeng Shangguan, Shunchao Gu, Hirano Shin-ichi

Journal Article

total oxidizable carbon, phosphate and various metallic ions from HO solution with amino-functionalized zirconia

Journal Article

Biopolymer-stabilized emulsions on the basis of interactions between β -lactoglobulin and ι -carrageenan

Qiaomei RU, Younghee CHO, Qingrong HUANG,

Journal Article

High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Journal Article

Preparation of ceria-zirconia solid solution with enhanced oxygen storage capacity and redox performance

Lijing MENG, Licheng LIU, Xuehong ZI, Hongxing DAI, Hong HE, Zhen ZHAO, Xinping WANG,

Journal Article

Polysulfone and zirconia composite separators for alkaline water electrolysis

Li XU, Wei LI, Yan YOU, Shaoxing ZHANG, Yingchun ZHAO

Journal Article

Characteristics of the stabilized/solidified municipal solid wastes incineration fly ash and the leaching

Yan SHAO,Haobo HOU,Guangxing WANG,Sha WAN,Min ZHOU

Journal Article

Remediation of soil and groundwater contaminated with organic chemicals using stabilized nanoparticles

Zhengqing Cai, Xiao Zhao, Jun Duan, Dongye Zhao, Zhi Dang, Zhang Lin

Journal Article

Effect of polymer structures on electro-optical properties of polymer stabilized liquid crystal films

WANG Shoulian, HE Jie, ZENG Yu, YAN Bin, WANG Yinghan

Journal Article

Structural characteristics of cement-stabilized soil bases with 3D finite element method

Yunfeng PENG, Yunlong HE,

Journal Article

Unconfined compressive strength prediction of soils stabilized using artificial neural networks and support

Alireza TABARSA, Nima LATIFI, Abdolreza OSOULI, Younes BAGHERI

Journal Article