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RE-Si3N4 1

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Application of grey-taguchi method for optimization of dry sliding wear properties of aluminum MMCs

Rajesh SIRIYALA, Gopala Krishna ALLURU, Rama Murthy Raju PENMETSA, Muthukannan DURAISELVAM

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 279-287 doi: 10.1007/s11465-012-0329-0

Abstract:

Through a pin-on-disc type wear setup, the dry sliding wear behavior of SiC-reinforced aluminum compositesDry sliding wear tests were carried on SiC-reinforced metal matrix composites (MMCs) and its matrix alloyInitially, the optimization of the dry sliding performance of the SiC-reinforced MMCs was performed using

Keywords： aluminum     ANOVA (analysis of variance)     grey relational analysis     metal matrix composites     SiC particulates    

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Design and mechanism insight on SiC quantum dots sensitized inverse opal TiO with superior photocatalytic

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1913-1924 doi: 10.1007/s11705-023-2350-8

Abstract: The combination of SiC quantum dots sensitized inverse opal TiO2 photocatalyst is designedFrom various spectroscopic techniques, it is found that electrons transfer directionally from SiC quantumTherefore, the stability and non-toxicity of SiC quantum dots sensitized inverse opal TiO2

Keywords： inverse opal TiO2     silicon carbide quantum dots     quantum dot sensitized photocatalyst     type-II charge transfer route    

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Atmospheric heterogeneous reaction of chlorobenzene on mineral -FeO particulates: a chamber experiment

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1734-9

Abstract:

● Photochemical conversion of chlorobenzene (CB) on α-Fe2O3 was evaluated.

Keywords： Photochemical conversion     Chlorobenzene     α-Fe2O3     PCDD/Fs     Mineral particulate    

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Research and Development of Inert cathode and Anode in Aluminium Electrolysis

Qiu Zhuxian

Strategic Study of CAE 2001, Volume 3, Issue 5,   Pages 50-54

Abstract: They include inert cathode, inert anode, dipolar electrode and SiC side lining.

Keywords： inert anode     inert cathode     SiC side lining     aluminium electrolysis at lower temperatures    

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Analysis on the depositing process of the solid particulates produced by aerosol fire suppressants under

Chen Changkun

Strategic Study of CAE 2010, Volume 12, Issue 1,   Pages 48-51

Abstract: paper, unsteady analysis was conducted on the space distribution and depositing process of the solid particulatesThe results demonstrated that: the depositing process of the solid particulates and the depositing Renault

Keywords： solid particulates     aerosol fire suppressant     depositing process    

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Effect of process parameters on the density and porosity of laser melted AlSi10Mg/SiC metal matrix composite

Omotoyosi H. FAMODIMU, Mark STANFORD, Chike F. ODUOZA, Lijuan ZHANG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 520-527 doi: 10.1007/s11465-018-0521-y

Abstract:

Laser melting of aluminium alloy—AlSi10Mg has increasingly been used to create specialised products in various industrial applications, however, research on utilising laser melting of aluminium matrix composites in replacing specialised parts have been slow on the uptake. This has been attributed to the complexity of the laser melting process, metal/ceramic feedstock for the process and the reaction of the feedstock material to the laser. Thus, an understanding of the process, material microstructure and mechanical properties is important for its adoption as a manufacturing route of aluminium metal matrix composites. The effects of several parameters of the laser melting process on the mechanical blended composite were thus investigated in this research. This included single track formations of the matrix alloy and the composite alloyed with 5% and 10% respectively for their reaction to laser melting and the fabrication of density blocks to investigate the relative density and porosity over different scan speeds. The results from these experiments were utilised in determining a process window in fabricating near-fully dense parts.

Keywords： selective laser melting     additive manufacturing     mechanical alloying     powder metallurgy     aluminium metal matrix composite    

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A 14-year measurement of toxic elements in atmospheric particulates in Hong Kong from 1995 to 2008

Wei NIE,Tao WANG,Aijun DING,Xuehua ZHOU,Wenxing WANG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 553-560 doi: 10.1007/s11783-013-0523-2

Abstract: Toxic elements in the atmosphere can enter and accumulate in the human body, seriously impacting human health. In this study, we analyzed a 14-year (1995–2008) measurement of three toxic elements (As, Cd and Cr) in PM in Hong Kong, China. The pollution of these toxic elements in Hong Kong was not serious. The trend analysis showed that As and Cr in PM increased at a statistically significant level ( <0.05) during the 14-year period, while the Cd in PM did not change significantly. Typical seasonal variations were observed for all three toxic elements, largely in relation to the Asian monsoon. Hourly 10-day backward trajectories were computed and categorised into four groups. The continental air masses showed much higher concentrations of the three toxic elements than the marine air masses. The abundances of As and Cd in the PM were much higher in the continental air masses than those in the marine air masses, while the abundances of Cr showed an opposite pattern. The trends of the three toxic elements in East China’s air mass were consistent with those in the overall data set of Hong Kong. Examination of the toxic element data recorded at urban sites and a roadside site also indicated a large contribution of external air masses to particulate As and Cd in Hong Kong. These results suggest that the long-range transport from the mainland of China is the dominant contributor to particulate As and Cd, while both local and long-distance sources determine the particulate Cr in Hong Kong.

Keywords： toxic elements     increasing trends     seasonal variations     air masses     long-distance sources    

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CuO/zeolite catalyzed oxidation of gaseous toluene under microwave heating

Longli BO, Jianbo LIAO, Yucai ZHANG, Xiaohui WANG, Quan YANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 395-402 doi: 10.1007/s11783-012-0417-8

Abstract: chamber containing zeolite-supported copper oxide (CuO/zeolite) catalyst mixed with silicon carbide (SiCefficiently degraded on the surface of the catalyst at high reaction temperature achieved by microwave-heated SiC

Keywords： microwave     catalytic oxidation     CuO/zeolite catalyst     silicon carbide (SiC)     toluene    

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GHz Based on the Higher Order Mode of Surface Acoustic Waves with LiNbO3/SiO2/SiC Article

Jian Zhou,Dinghong Zhang,Yanghui Liu,Fengling Zhuo,Lirong Qian,Honglang Li,Yong-Qing Fu,Huigao Duan

Engineering 2023, Volume 20, Issue 1,   Pages 112-119 doi: 10.1016/j.eng.2022.05.003

Abstract: ., nanolithography) with a LiNbO3/SiO2/SiC heterostructure and successfully achieve a record-breaking

Keywords： Ultra-high frequency     SAW     Higher order mode     Hypersensitive detection    

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Calculating Method for Area Source Model of Particulates

Gu Qing,Yang Xinxing,Li Yunsheng

Strategic Study of CAE 2005, Volume 7, Issue 1,   Pages 41-44

Abstract:

The area source model of particulates was deeply researched, and the places of the initial precipitationof the area sources of particulates were determined.The precipitation of the particulates into the inside of the area source would not be considered.The concentration of the particulates in the inside of the area source block equalled the source intensitythe tilt smoke and cloud model of the part reflex of the point source, the area source model of the particulates

Keywords： atmospheric environment     particulate     area source model     calculating method    

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Research and Development of High Performance Ceramics With Structural and Functional Properties Combined

Jiang Dongliang

Strategic Study of CAE 2003, Volume 5, Issue 2,   Pages 35-39

Abstract:

This paper introduces some developing trends of new materials and material sciences, such as multifunction, composite, miniaturization, low cost manufacturing and analyses the basic properties and problems of processing of high performance ceramics nowadays. The paper briefly describes some special properties, possible application fields and mass production problems of ceramics with structural and functional properties combined, such as silicon carbide, Nd doped YAG, and Sialon with rare-earth elements added. Finally, proposed several topics (including processing sciences)of such kind of multifunction materials for future research and developing.

Keywords： structural and functional properties combined     high performance ceramics     SiC     Nd - YAG     RE-Si3   

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Title Author Date Type Operation

Application of grey-taguchi method for optimization of dry sliding wear properties of aluminum MMCs

Rajesh SIRIYALA, Gopala Krishna ALLURU, Rama Murthy Raju PENMETSA, Muthukannan DURAISELVAM

Journal Article

Design and mechanism insight on SiC quantum dots sensitized inverse opal TiO with superior photocatalytic

Journal Article

Atmospheric heterogeneous reaction of chlorobenzene on mineral -FeO particulates: a chamber experiment

Journal Article

Research and Development of Inert cathode and Anode in Aluminium Electrolysis

Qiu Zhuxian

Journal Article

Analysis on the depositing process of the solid particulates produced by aerosol fire suppressants under

Chen Changkun

Journal Article

Effect of process parameters on the density and porosity of laser melted AlSi10Mg/SiC metal matrix composite

Omotoyosi H. FAMODIMU, Mark STANFORD, Chike F. ODUOZA, Lijuan ZHANG

Journal Article

A 14-year measurement of toxic elements in atmospheric particulates in Hong Kong from 1995 to 2008

Wei NIE,Tao WANG,Aijun DING,Xuehua ZHOU,Wenxing WANG

Journal Article

CuO/zeolite catalyzed oxidation of gaseous toluene under microwave heating

Longli BO, Jianbo LIAO, Yucai ZHANG, Xiaohui WANG, Quan YANG

Journal Article

GHz Based on the Higher Order Mode of Surface Acoustic Waves with LiNbO3/SiO2/SiC

Jian Zhou,Dinghong Zhang,Yanghui Liu,Fengling Zhuo,Lirong Qian,Honglang Li,Yong-Qing Fu,Huigao Duan

Journal Article

Calculating Method for Area Source Model of Particulates

Gu Qing,Yang Xinxing,Li Yunsheng

Journal Article

Research and Development of High Performance Ceramics With Structural and Functional Properties Combined

Jiang Dongliang

Journal Article