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Investigation of the preparation methodologies of Pd-Cu single atom alloy catalysts for selective hydrogenation

Xinxiang Cao,Arash Mirjalili,James Wheeler,Wentao Xie,Ben W.-L. Jang

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 4,   Pages 442-449 doi: 10.1007/s11705-015-1547-x

Abstract: field-scanning transmission electron microscopy (HAADF-STEM) and H chemisorption results confirmed that Pd-Cu single-atomalloy structures were constructed in all three bimetallic catalysts.indicated that when the conversion of acetylene was above 99%, the selectivity of ethylene of these three singleatom alloy catalysts was still more than 73%.Furthermore, the single atom alloy catalyst prepared by sequential incipient wetness impregnation was

Keywords： H2 pulse chemisorption     palladium-copper bimetallic catalyst     single atom alloy     acetylene hydrogenation    

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Promising approach for preparing metallic single-atom catalysts: electrochemical deposition

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 537-541 doi: 10.1007/s11708-022-0837-5

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Oxygen reduction electrocatalysis: From conventional to single-atomic platinum-based catalysts for proton

Frontiers in Energy doi: 10.1007/s11708-023-0907-3

Abstract: nanostructuring Pt particles and modifying/innovating supports in developing conventional Pt-based catalysts, Pt single-atomThe single-atomic Pt coordinating with non-metals and alloying with metals as well as the metal-supportinteractions of Pt single-atoms with carbon/non-carbon supports are emphasized in terms of the ORR activity

Keywords： oxygen reduction electrocatalysis     Pt single-atom catalysts     conventional Pt-based catalysts     design    

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Real atom economy and its application for evaluation the green degree of a process

Weihan WANG, Jing Lü, Li ZHANG, Zhenhua LI

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 349-354 doi: 10.1007/s11705-010-1030-7

Abstract: Among the 12 principles of green chemistry, only atom economy and E factor can be expressed quantitativelyAtom economy was thought better than the traditional yield for evaluating the atom efficiency of rawIn this paper, we proposed the concept of real atom economy (RAE) as a metric.

Keywords： green chemistry     real atom economy     E factor     atom economy     yield    

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Spin polarization strategy to deploy proton resource over atomic-level metal sites for highly selective CO electrolysis

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1772-1781 doi: 10.1007/s11705-022-2197-4

Abstract: conversion but also readily trapped in water splitting, which is still challenging for developing efficient single-atom

Keywords： CO2 electrolysis     single-atom catalysts     spin polarization     proton dynamics     in situ   

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A novel shape memory alloy actuated soft gripper imitated hand behavior

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0700-8

Abstract: The limited length shrinkage of shape memory alloy (SMA) wire seriously limits the motion range of SMA-based

Keywords： shape memory alloy (SMA)     pre bent     wire     gripper     grasping mode     lightweight    

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Numerical analysis of aluminum alloy reticulated shells with gusset joints under fire conditions

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 448-466 doi: 10.1007/s11709-022-0910-5

Abstract: In this study, a numerical analysis was conducted on aluminum alloy reticulated shells (AARSs) with gusset

Keywords： aluminum alloy reticulated shell     gusset joint     numerical analysis     fire resistance    

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Shape optimization of aluminium alloy spherical reticulated shells considering nonlinearities

Wei LIU; Lishu XU; Shaojun ZHU; Lijuan LI; Feng LIU; Zhe XIONG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1565-1580 doi: 10.1007/s11709-022-0867-4

Abstract: This study proposes a shape optimization method for K6 aluminum alloy spherical reticulated shells withpractical design tables containing the parameters of the optimized shape are obtained for aluminum alloy

Keywords： shape optimization     aluminum alloy     spherical reticulated shell     non-linear buckling     material nonlinearity    

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Mechanical behavior and semiempirical force model of aerospace aluminum alloy milling using nano biological

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0720-4

Abstract: Aerospace aluminum alloy is the most used structural material for rockets, aircraft, spacecraft, andquantity lubrication have become the bottleneck of lubrication and heat dissipation of aerospace aluminum alloyA single factor experiment is designed to introduce NMQL and the milling feed factor into the instantaneous

Keywords： milling     force     nanofluid minimum quantity lubrication     aerospace aluminum alloy     nano biological lubricant    

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Advances in chemical synthesis and application of metal-metalloid amorphous alloy nanoparticulate catalysts

WU Zhijie, LI Wei, ZHANG Minghui, TAO Keyi

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 87-95 doi: 10.1007/s11705-007-0018-4

Abstract: This paper reviews the advances in the chemical synthesis and application of metal-metalloid amorphous alloyAfter a brief introduction on the history of amorphous alloy catalysts, the paper focuses on the propertiesand characterization of amorphous alloy catalysts, and recent developments in the solution-phase synthesisof amorphous alloy nanoparticles.amorphous alloys, with special emphasis on the problems and strategies for the application of amorphous alloy
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Application of cold spraying for flux-free brazing of aluminium alloy 6060

Kirsten BOBZIN, Lidong ZHAO, Thomas SCHLAEFER, Thomas WARDA,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 256-260 doi: 10.1007/s11465-010-0095-9

Abstract: In the present study, samples of aluminium alloy 6060 were coated by cold spraying with a powder of brazingalloy Al12Si.The results show that the brazing alloy Al12Si could be very well deposited on the substrate by cold

Keywords： aluminium alloy     flux-free brazing     cold spraying     shear strength    

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Experiment on aluminum alloy members under axial compression

Xiaonong GUO,Shuiping LIANG,Zuyan SHEN

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 1,   Pages 48-64 doi: 10.1007/s11709-014-0271-9

Abstract: To improve the design methods of Chinese aluminum alloy members, experiment of 63 profiled aluminum alloymembers, made of Chinese aluminum alloy 6061-T6, under axial compression is conducted in this paper.Furthermore, for the purpose of creating column curves, the aluminum alloy members under the axial compression

Keywords： aluminum alloy     column curve     compression members     overall stability coefficient    

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Formic acid dehydrogenation reaction on high-performance PdAu alloy nanoparticles prepared by the eco-friendly

Frontiers in Energy   Pages 751-762 doi: 10.1007/s11708-023-0895-3

Abstract: Dehydrogenation of formic acid (FA) is considered to be an effective solution for efficient storage and transport of hydrogen. For decades, highly effective catalysts for this purpose have been widely investigated, but numerous challenges remain. Herein, the PdxAu1−x (x = 0, 0.2, 0.4, 0.5, 0.6, 0.8, 1) alloys over the whole composition range were successfully prepared and used to catalyze FA hydrogen production efficiently near room temperature. Small PdAu nanoparticles (5–10 nm) were well-dispersed and supported on the activated carbon to form PdAu solid solution alloys via the eco-friendly slow synthesis methodology. The physicochemical properties of the PdAu alloys were comprehensively studied by utilizing various measurement methods, such as X-ray diffraction (XRD), N2 adsorption–desorption, high angle annular dark field-scanning transmission electron microscope (HAADF-STEM), X-ray photoelectrons spectroscopy (XPS). Notably, owing to the strong metal-support interaction (SMSI) and electron transfer between active metal Au and Pd, the Pd0.5Au0.5 obtained exhibits a turnover frequency (TOF) value of up to 1648 h−1 (313 K, nPd+Au/nFA = 0.01, nHCOOH/nHCOONa = 1:3) with a high activity, selectivity, and reusability in the FA dehydrogenation.

Keywords： FA dehydrogenation     face-centred cubic structures     PdAu solid solution alloy nanoparticles     slow synthesis    

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Parameter prediction in laser bending of aluminum alloy sheet

WANG Xuyue, XU Weixing, CHEN Hua, WANG Jinsong

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 293-298 doi: 10.1007/s11465-008-0046-x

Abstract: network model is established to predict the bending angle in the laser bending process of an aluminum alloy

Keywords： control     industry purpose     nonlinear     network     aluminum    

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Grindability of high-temperature alloy with ceramic alumina wheels

ZHANG Hongxia, CHEN Wuyi, CHEN Zhitong

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 139-145 doi: 10.1007/s11465-008-0040-3

Abstract: The grindability of high-temperature alloy by using ceramic alumina wheels is studied on the basis ofThe grinding burn mechanism of high-temperature alloy is unveiled and the feasible grinding parametersvelocity of the wheel is 18–22 m/s and the depth of grinding should not exceed 0.02 mm in grinding GH2132 alloythat of the base material, which deteriorates the mechanical properties and heat resistance of GH2132 alloya theoretical and experimental basis for technical optimization in the grinding of high-temperature alloy

Keywords： metallographic     topography     grinding GH2132     resistance     decrease    

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Title Author Date Type Operation

Investigation of the preparation methodologies of Pd-Cu single atom alloy catalysts for selective hydrogenation

Xinxiang Cao,Arash Mirjalili,James Wheeler,Wentao Xie,Ben W.-L. Jang

Journal Article

Promising approach for preparing metallic single-atom catalysts: electrochemical deposition

Journal Article

Oxygen reduction electrocatalysis: From conventional to single-atomic platinum-based catalysts for proton

Journal Article

Real atom economy and its application for evaluation the green degree of a process

Weihan WANG, Jing Lü, Li ZHANG, Zhenhua LI

Journal Article

Spin polarization strategy to deploy proton resource over atomic-level metal sites for highly selective CO electrolysis

Journal Article

A novel shape memory alloy actuated soft gripper imitated hand behavior

Journal Article

Numerical analysis of aluminum alloy reticulated shells with gusset joints under fire conditions

Journal Article

Shape optimization of aluminium alloy spherical reticulated shells considering nonlinearities

Wei LIU; Lishu XU; Shaojun ZHU; Lijuan LI; Feng LIU; Zhe XIONG

Journal Article

Mechanical behavior and semiempirical force model of aerospace aluminum alloy milling using nano biological

Journal Article

Advances in chemical synthesis and application of metal-metalloid amorphous alloy nanoparticulate catalysts

WU Zhijie, LI Wei, ZHANG Minghui, TAO Keyi

Journal Article

Application of cold spraying for flux-free brazing of aluminium alloy 6060

Kirsten BOBZIN, Lidong ZHAO, Thomas SCHLAEFER, Thomas WARDA,

Journal Article

Experiment on aluminum alloy members under axial compression

Xiaonong GUO,Shuiping LIANG,Zuyan SHEN

Journal Article

Formic acid dehydrogenation reaction on high-performance PdAu alloy nanoparticles prepared by the eco-friendly

Journal Article

Parameter prediction in laser bending of aluminum alloy sheet

WANG Xuyue, XU Weixing, CHEN Hua, WANG Jinsong

Journal Article

Grindability of high-temperature alloy with ceramic alumina wheels

ZHANG Hongxia, CHEN Wuyi, CHEN Zhitong

Journal Article