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Development Strategy for Advanced Copper-Based Materials in China

Mi Xujun , Lou Huafen , Xie Haofeng , Mo Yongda , Zhang Wenjing , Xiang Chaojian

Strategic Study of CAE 2023, Volume 25, Issue 1,   Pages 96-103 doi: 10.15302/J-SSCAE-2023.01.006

Abstract:

Copper and copper-based materials are widely applied to power electronicsAs China is the greatest producer and consumer of milled copper products in the world, advanced copper-basedStarting from a general description of the macrostructure and status quo of China’s copper millingindustry, the strengths and weaknesses of material-related development are analyzed.alloy, high-performance electronic copper foils, wear- and corrosion-resistant copper alloys, copper-based

Keywords： advanced copper-based materials     functional characteristic     high-tech manufacturing     copper milling industry    

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Meeting Future Challenge in Copper Industry——Considerations on Treatment of Copper Sulfide Concentrate

Zhu Zuze

Strategic Study of CAE 2000, Volume 2, Issue 2,   Pages 87-90

Abstract:

A brief review of the advance of copper smelting technology and the price fluctuations of copper productsindicate that the competition of copper market depends upon the production cost relying on metallurgyIn order to ensure the smooth development of the copper industry in China and win competition in theworld, we must persist in domestic r & D and incorporation with foreign technology for copper smelting

Keywords： Copper industry     copper sulfide concentrate     low cost    

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Upgrading Traditional Copper Industry With Advanced Technology

Kong Fanyi

Strategic Study of CAE 2001, Volume 3, Issue 9,   Pages 69-76

Abstract:

Yunnan Smelter (Yunnan copper Co., Ltd.), built in early 1960s, is mainly engaged in smelting of copperIt is expected that by 2002 the smelter will become one of China´s three major copper enterprises, and may rank among the top twenty copper producers in the world.requirements, hence clean production will be realized in the plant, and electric power consumption for blister copper

Keywords： copper industry     electric furnace smelting     technical upgrading     oxygen-enriched top-blown bath smelting    

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Energy field-assisted high-speed dry milling green machining technology for difficult-to-machine metal

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0744-9

Abstract: High-speed dry milling has emerged as a typical green processing technology due to its high processingHowever, the lack of necessary cooling and lubrication in high-speed dry milling makes it difficult tomeet the continuous milling requirements for difficult-to-machine metal materials.In this review, the characteristics and limitations of high-speed dry milling of difficult-to-machineFinally, the shortcomings and technical challenges of energy-field-assisted milling are summarized in

Keywords： difficult-to-machine metal material     green machining     high-speed dry milling     laser energy field-assistedmilling     ultrasonic energy field-assisted milling     cryogenic minimum quantity lubrication energy field-assistedmilling    

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Fiber-reinforced composites in milling and grinding: machining bottlenecks and advanced strategies

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0680-8

Abstract: Milling and grinding arise as the preferred choices because of their precision processing.summarizes an up-to-date progress of the damage formation mechanisms and suppression strategies in millingFirst, the formation mechanisms of milling damage, including delamination, burr, and tear, are analyzed

Keywords： milling     grinding     fiber-reinforced composites     damage formation mechanism     delamination     material removal    

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Cutting Force Model for a Small-diameter Helical Milling Cutter

LI Xiwen, YANG Shuzi, YANG Mingjin, XIE Shouyong

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 272-277 doi: 10.1007/s11465-007-0047-1

Abstract: In the milling process, the major flank wear land area (two-dimensional measurement for the wear) ofa small-diameter milling cutter, as wear standard, can reflect actual changes of the wear land of theThe cutting force model for the helical milling cutter is validated by experiments.established in the research can provide a theoretical foundation for monitoring the condition of a millingprocess that uses a small-diameter helical milling cutter.

Keywords： computational     corresponding     helical milling     theoretical foundation     Characteristic    

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Position-varying surface roughness prediction method considering compensated acceleration in milling

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 855-867 doi: 10.1007/s11465-021-0649-z

Abstract: Machined surface roughness will affect parts’ service performance. Thus, predicting it in the machining is important to avoid rejects. Surface roughness will be affected by system position dependent vibration even under constant parameter with certain toolpath processing in the finishing. Aiming at surface roughness prediction in the machining process, this paper proposes a position-varying surface roughness prediction method based on compensated acceleration by using regression analysis. To reduce the stochastic error of measuring the machined surface profile height, the surface area is repeatedly measured three times, and Pauta criterion is adopted to eliminate abnormal points. The actual vibration state at any processing position is obtained through the single-point monitoring acceleration compensation model. Seven acceleration features are extracted, and valley, which has the highest R-square proving the effectiveness of the filtering features, is selected as the input of the prediction model by mutual information coefficients. Finally, by comparing the measured and predicted surface roughness curves, they have the same trends, with the average error of 16.28% and the minimum error of 0.16%. Moreover, the prediction curve matches and agrees well with the actual surface state, which verifies the accuracy and reliability of the model.

Keywords： surface roughness prediction     compensated acceleration     milling     thin-walled workpiece    

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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: In this study, the milling force of the integral end milling cutter is deduced by force analysis of themilling cutter element and numerical simulation.The instantaneous milling force model of the integral end milling cutter is established under the conditionmilling force coefficient.Compared with the milling forces obtained by dry milling, those by NMQL decrease by 21.4%, 17.7%, and

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

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A hybrid deep learning model for robust prediction of the dimensional accuracy in precision milling of

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0688-0

Abstract: In this study, we develop a predictive model of the dimensional accuracy for precision milling of thin-walledBased on the experimental data collected during the milling experiments, the proposed model proved to

Keywords： precision milling     dimensional accuracy     cutting force     convolutional neural networks     coherent noise    

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Multi-objective optimization of cutting parameters in high-speed milling based on grey relational analysis

Tao FU, Jibin ZHAO, Weijun LIU

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4,   Pages 445-452 doi: 10.1007/s11465-012-0338-z

Abstract:

This paper investigates optimization problem of the cutting parameters in high-speed milling on NAK80among spindle speed, feed per tooth and depth of cut to the three directions of cutting force in the milling

Keywords： high-speed milling     grey relational analysis     principal component analysis     parameters optimization    

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Ball milling promoted direct liquefaction of lignocellulosic biomass in supercritical ethanol

Chunyan Yang, Xiaoliang Yuan, Xueting Wang, Kejing Wu, Yingying Liu, Changjun Liu, Houfang Lu, Bin Liang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4,   Pages 605-613 doi: 10.1007/s11705-019-1841-0

Abstract: In the present work, ball milling was applied for the pretreatment of lignocellulose to obtain high conversionBall milling substantially decreased the crystallinity and particle size of lignocellulose, thereby improving

Keywords： ball milling     lignocellulose     supercritical ethanol     liquefaction     bio-oil    

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Copper and zinc interaction on water clearance and tissue metal distribution in the freshwater mussel

Tianxiang XIA, Xuehua LIU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 236-242 doi: 10.1007/s11783-010-0218-8

Abstract: Copper and zinc interaction on clearance from water and distribution in different tissues was investigated

Keywords： interaction     mussel     copper     zinc     clearance     distribution    

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Identification and assessment of environmental burdens of Chinese copper production from a life cycle

Xiaolong SONG,Jianxin YANG,Bin LU,Bo LI,Guangyuan ZENG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 580-588 doi: 10.1007/s11783-013-0599-8

Abstract: The environmental burdens of Chinese copper production have been identified and quantified in the contextPrimary and secondary copper production using copper ores and scraps, respectively, were analyzed incopper production processes.In secondary copper production, the electrolytic refining stage dominates.industry.

Keywords： copper production     environmental burden     life cycle assessment     refined copper    

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3D finite element prediction of chip flow, burr formation, and cutting forces in micro end-milling of

A. DAVOUDINEJAD, P. PARENTI, M. ANNONI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 203-214 doi: 10.1007/s11465-017-0421-6

Abstract: This study proposed a 3D finite element modeling (3D FEM) approach for the micro end-milling of Al6061

Keywords： 3D finite element modeling     micro end-milling     cutting force     chip formation     burr formation    

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Coupling evaluation for material removal and thermal control on precision milling machine tools

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 12-12 doi: 10.1007/s11465-021-0668-9

Abstract: Experimental study indicates that TC is the main energy-consuming process of the precision milling machine

Keywords： machine tools     cutting energy efficiency     thermal stability     machining accuracy     coupling evaluation    

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Title Author Date Type Operation

Development Strategy for Advanced Copper-Based Materials in China

Mi Xujun , Lou Huafen , Xie Haofeng , Mo Yongda , Zhang Wenjing , Xiang Chaojian

Journal Article

Meeting Future Challenge in Copper Industry——Considerations on Treatment of Copper Sulfide Concentrate

Zhu Zuze

Journal Article

Upgrading Traditional Copper Industry With Advanced Technology

Kong Fanyi

Journal Article

Energy field-assisted high-speed dry milling green machining technology for difficult-to-machine metal

Journal Article

Fiber-reinforced composites in milling and grinding: machining bottlenecks and advanced strategies

Journal Article

Cutting Force Model for a Small-diameter Helical Milling Cutter

LI Xiwen, YANG Shuzi, YANG Mingjin, XIE Shouyong

Journal Article

Position-varying surface roughness prediction method considering compensated acceleration in milling

Journal Article

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

Journal Article

A hybrid deep learning model for robust prediction of the dimensional accuracy in precision milling of

Journal Article

Multi-objective optimization of cutting parameters in high-speed milling based on grey relational analysis

Tao FU, Jibin ZHAO, Weijun LIU

Journal Article

Ball milling promoted direct liquefaction of lignocellulosic biomass in supercritical ethanol

Chunyan Yang, Xiaoliang Yuan, Xueting Wang, Kejing Wu, Yingying Liu, Changjun Liu, Houfang Lu, Bin Liang

Journal Article

Copper and zinc interaction on water clearance and tissue metal distribution in the freshwater mussel

Tianxiang XIA, Xuehua LIU

Journal Article

Identification and assessment of environmental burdens of Chinese copper production from a life cycle

Xiaolong SONG,Jianxin YANG,Bin LU,Bo LI,Guangyuan ZENG

Journal Article

3D finite element prediction of chip flow, burr formation, and cutting forces in micro end-milling of

A. DAVOUDINEJAD, P. PARENTI, M. ANNONI

Journal Article

Coupling evaluation for material removal and thermal control on precision milling machine tools

Journal Article