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Design of ultrasonic elliptical vibration cutting system for tungsten heavy alloy

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0715-1

Abstract: Nanoscale surface roughness of tungsten heavy alloy components is required in the nuclear industry andelliptical vibration cutting (UEVC) system is developed to solve the precision machining problem of tungstenDifferent microtopography and surface roughness are obtained by the cutting experiments of tungsten heavyoptimization basis for further improving the machining quality of the curved surface components of tungsten

Keywords： tungsten heavy alloy     ultrasonic elliptical vibration cutting     Timoshenko’s theory     resonant mode of    

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Platinum on nitrogen doped graphene and tungsten carbide supports for ammonia electro-oxidation reaction

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 930-938 doi: 10.1007/s11705-021-2130-2

Abstract: In this study, Pt/nitrogen-doped graphene (NDG) and Pt/tungsten monocarbide (WC)/NDG are synthesized

Keywords： Ammonia electro-oxidation reaction     electrocatalyst supports     platinum     nitrogen doped graphene     tungsten    

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Synthesis, characterization and hydrotreating performance of supported tungsten phosphide catalysts

SUN Guida, LI Cuiqing, ZHOU Zhijun, LI Fengyan

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 155-164 doi: 10.1007/s11705-008-0038-8

Abstract: Supported tungsten phosphide catalysts were prepared by temperature-programmed reduction of their precursors

Keywords： tungsten phosphide     differential thermal     catalyst surface     industrial NiW/-AlO     general    

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adsorption onto a niobium wire for electrothermal atomization atomic absorption spectrometry with a tungsten

Satoshi KANECO, Hiroaki KITANAGA, Hideyuki KATSUMATA, Tohru SUZUKI

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 432-435 doi: 10.1007/s11705-012-1219-z

Abstract: wire has been developed for electrothermal atomization atomic absorption spectrometry (ETAAS) with a tungsten

Keywords： preconcentration     adsorption onto niobium wire     electrothermal atomization atomic absorption spectrometry     tungsten    

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Studies on the Inhibition of Impurities in Caustic Decomposition of Tungsten Concentrates

Li Honggui,Li Yunjiao,Sun Peimei,Liu Maosheng

Strategic Study of CAE 2000, Volume 2, Issue 3,   Pages 59-61

Abstract:

The Inhibition of impurities of As, P, Si and Sn in the caustic decomposition of tungsten concentrates

Keywords： metallurgy of tungsten     caustic decomposition     inhibition of impurities    

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A Breakthrough in Pressure Generation by a Kawai-Type Multi-Anvil Apparatus with Tungsten Carbide Anvils Review

Takayuki Ishii, Zhaodong Liu, Tomoo Katsura

Engineering 2019, Volume 5, Issue 3,   Pages 434-440 doi: 10.1016/j.eng.2019.01.013

Abstract:

Expansion of the pressure range of Kawai-type multi-anvil presses (KMAPs) with tungsten carbide (WC

Keywords： High pressure     Multi-anvil apparatus     Tungsten carbide anvil     Sintered diamond anvil     Lower mantle    

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Gold modified microelectrode for direct tetracycline detection

Hongtao WANG, Huimin ZHAO, Xie QUAN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 313-319 doi: 10.1007/s11783-011-0323-5

Abstract: tetracycline (TC) by the microelectrode, which was fabricated by electrodeposited gold colloids on tungsten

Keywords： microelectrode     tungsten tip     gold colloids     tetracycline    

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Shock Tensile Behaviour of Tungsten Alloy and Presentations to Its Constitutive Models and Fracture Criterion

Zhang Baoping,Ding Chuntong,Liu Baohua,Chen Xuelian

Strategic Study of CAE 2003, Volume 5, Issue 3,   Pages 44-50

Abstract:

The shock tensile stress-strain curves of 93% wt. tungsten alloy at different strain rates &epsilon

Keywords： constitutive model for dynamic tension     tungsten alloy     criterion to dynamic failure    

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Highly efficient and selective removal of vanadium from tungstate solutions by microbubble floating-extraction

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 581-593 doi: 10.1007/s11705-022-2235-2

Abstract: Selective separation of dissolved tungsten and vanadium is of great significance for the utilizationThe results indicated that vanadium can be more easily mineralized over tungsten from tungstate solutionsAdditionally, the deep recovery of tungsten and vanadium from the floated organic phase could be easilyUnder the optimal conditions, the removal efficiency of vanadium reached 98.5% with tungsten loss below

Keywords： tungsten     vanadium     selective separation     reagent mineralization     microbubble floating-extraction    

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Whole-Process Pollution Control for Cost-Effective and Cleaner Chemical Production—A Case Study of the Tungsten Article

Hongbin Cao, He Zhao, Di Zhang, Chenming Liu, Xiao Lin, Yuping Li, Pengge Ning, Jiajun Sun, Yi Zhang, Zhi Sun

Engineering 2019, Volume 5, Issue 4,   Pages 768-776 doi: 10.1016/j.eng.2019.01.010

Abstract:

In this research, a methodology named whole-process pollution control (WPPC) is demonstrated that improves the effectiveness of process optimization. This methodology considers waste/emission treatment as a step of the whole production process with respect to the minimization of cost and environmental impact for the whole process. The following procedures are introduced in a WPPC process optimization: ① a material and energy flow investigation and optimization based on a systematic understanding of the distribution and physiochemical properties of potential pollutants; ② a process optimization to increase the utilization efficiency of different elements and minimize pollutant emissions; and ③ an evaluation to reveal the effectiveness of the optimization strategies. The production of ammonium paratungstate was chosen for the case study. Two factors of the different optimization schemes—namely the cost-effectiveness factor and the environmental impact indicator—were evaluated and compared. This research demonstrates that by considering the nature of potential pollutants, technological innovations, economic viability, environmental impacts, and regulation requirements, WPPC can efficiently optimize a metal production process.

Keywords： Whole-process pollution control     Process optimization     Industrial pollution     Tungsten    

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Influence of Particle Size on Laser Absorption and Scanning Track Formation Mechanisms of Pure Tungsten Article

Jiayao Zhang, Dongdong Gu, Ying Yang, Hongmei Zhang, Hongyu Chen, Donghuai Dai, Kaijie Lin

Engineering 2019, Volume 5, Issue 4,   Pages 736-745 doi: 10.1016/j.eng.2019.07.003

Abstract: established to describe the coupled interaction of a laser beam with particles in the powder layers of pure tungsten

Keywords： Selective laser melting (SLM)     Tungsten     Ray-tracing model     Absorptivity     Laser scanning tracks    

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Decoration of vertically aligned TiO

Heba ALI, N. ISMAIL, M. S. AMIN, Mohamed MEKEWI

Frontiers in Energy 2018, Volume 12, Issue 2,   Pages 249-258 doi: 10.1007/s11708-018-0547-1

Abstract: The presence of tungsten in the modified TNTAs was confirmed using energy dispersive X-ray spectroscopy

Keywords： titanium dioxide nanotube arrays     potentiostaticanodization     electrodeposition method     tungsten oxide     photoelectrochemical    

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Laser vision sensing based on adaptive welding for aluminum alloy

CHEN Zhixiang, SONG Yonglun, ZHANG Jun, ZHANG Wanchun, JIANG Li, XIA Xuxin

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 218-223 doi: 10.1007/s11465-007-0038-2

Abstract: A laser vision sensing based on the adaptive tungsten inert gas (TIG) welding system for large-scale

Keywords： adjustment     adaptive tungsten     transverse alignment     large-scale aluminum     geometry    

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Photoelectrocatalytic generation of H and S from toxic HS by using a novel BiOI/WO nanoflake array photoanode

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 744-751 doi: 10.1007/s11708-021-0775-7

Abstract: H2S into H2 and S system was proposed using a novel bismuth oxyiodide (BiOI)/ tungsten

Keywords： bismuth oxyiodide (BiOI)/ tungsten trioxide (WO3) nano-flake arrays (NFA)     photoelectrocatalytic    

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Optimization of multi machining characteristics in WEDM of WC-5.3%Co composite using integrated approach of Taguchi, GRA and entropy method

Kamal JANGRA, Sandeep GROVER, Aman AGGARWAL

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 288-299 doi: 10.1007/s11465-012-0333-4

Abstract:

Wire electrical discharge machining (WEDM) is a well known process for generating intricate and complex geometries in hard metal alloys and metal matrix composites with high precision. In present work, intricate machining of WC-5.3%Co composite on WEDM has been reported. Taguchi’s design of experiment has been utilised to investigate the process parameters for four machining characteristics namely material removal rate, surface roughness, angular error and radial overcut. In order to optimize the four machining characteristics simultaneously, grey relational analysis (GRA) coupled with entropy measurement method has been employed. Through GRA, grey relational grade has been computed as a performance index for predicting the optimal parameters setting for multi machining characteristics. Using Analysis of Variance (ANOVA) on grey relational grade, significant parameters affecting the multi-machining characteristics has been determined. Confirmatory results prove the potential of present approach.

Keywords： tungsten carbide composite     wire electrical discharge machining (WEDM)     Taguchi method     grey relational    

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Title Author Date Type Operation

Design of ultrasonic elliptical vibration cutting system for tungsten heavy alloy

Journal Article

Platinum on nitrogen doped graphene and tungsten carbide supports for ammonia electro-oxidation reaction

Journal Article

Synthesis, characterization and hydrotreating performance of supported tungsten phosphide catalysts

SUN Guida, LI Cuiqing, ZHOU Zhijun, LI Fengyan

Journal Article

adsorption onto a niobium wire for electrothermal atomization atomic absorption spectrometry with a tungsten

Satoshi KANECO, Hiroaki KITANAGA, Hideyuki KATSUMATA, Tohru SUZUKI

Journal Article

Studies on the Inhibition of Impurities in Caustic Decomposition of Tungsten Concentrates

Li Honggui,Li Yunjiao,Sun Peimei,Liu Maosheng

Journal Article

A Breakthrough in Pressure Generation by a Kawai-Type Multi-Anvil Apparatus with Tungsten Carbide Anvils

Takayuki Ishii, Zhaodong Liu, Tomoo Katsura

Journal Article

Gold modified microelectrode for direct tetracycline detection

Hongtao WANG, Huimin ZHAO, Xie QUAN

Journal Article

Shock Tensile Behaviour of Tungsten Alloy and Presentations to Its Constitutive Models and Fracture Criterion

Zhang Baoping,Ding Chuntong,Liu Baohua,Chen Xuelian

Journal Article

Highly efficient and selective removal of vanadium from tungstate solutions by microbubble floating-extraction

Journal Article

Whole-Process Pollution Control for Cost-Effective and Cleaner Chemical Production—A Case Study of the Tungsten

Hongbin Cao, He Zhao, Di Zhang, Chenming Liu, Xiao Lin, Yuping Li, Pengge Ning, Jiajun Sun, Yi Zhang, Zhi Sun

Journal Article

Influence of Particle Size on Laser Absorption and Scanning Track Formation Mechanisms of Pure Tungsten

Jiayao Zhang, Dongdong Gu, Ying Yang, Hongmei Zhang, Hongyu Chen, Donghuai Dai, Kaijie Lin

Journal Article

Decoration of vertically aligned TiO

Heba ALI, N. ISMAIL, M. S. AMIN, Mohamed MEKEWI

Journal Article

Laser vision sensing based on adaptive welding for aluminum alloy

CHEN Zhixiang, SONG Yonglun, ZHANG Jun, ZHANG Wanchun, JIANG Li, XIA Xuxin

Journal Article

Photoelectrocatalytic generation of H and S from toxic HS by using a novel BiOI/WO nanoflake array photoanode

Journal Article

Optimization of multi machining characteristics in WEDM of WC-5.3%Co composite using integrated approach of Taguchi, GRA and entropy method

Kamal JANGRA, Sandeep GROVER, Aman AGGARWAL

Journal Article