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Comparative assessment of force,temperature,and wheel wear in sustainable grinding aerospace alloy using biolubricant

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Frontiers of Mechanical Engineering 2023年第1期18卷 1-33页

作者： Xin CUI Changhe LI Yanbin ZHANG Wenfeng DING Qinglong AN Bo LIU Hao Nan LI Zafar SAID Shubham SHARMA Runze LI Sujan DEBNATH School of Mechanical and Automotive Engineering Qingdao University of TechnologyQingdao 266520China State Key Laboratory of Ultra-precision Machining Technology Department of Industrial and Systems EngineeringThe Hong Kong Polytechnic UniversityHong KongChina College of Mechanical and Electrical Engineering Nanjing University of Aeronautics and AstronauticsNanjing 210016China School of Mechanical Engineering Shanghai Jiao Tong UniversityShanghai 200240China Sichuan Future Aerospace Industry LLC. Shifang 618400China School of Aerospace University of Nottingham Ningbo ChinaNingbo 315100China College of Engineering University of SharjahSharjah 27272United Arab Emirates Department of Mechanical Engineering IK Gujral Punjab Technical UniversityPunjab 144603India Department of Biomedical Engineering University of Southern CaliforniaLos AngelesCA 90089USA Mechanical Engineering Department Curtin UniversityMiri 98009Malaysia

The substitution of biolubricant for mineral cutting fluids in aerospace material grinding is an inevitable development direction,under the requirements of the worldwide carbon emission ***,serious tool wear and workpiece damage in difficult-to-machine material grinding challenges the availability of using biolubricants via minimum quantity *** primary cause for this condition is the unknown and complex influencing mechanisms of the biolubricant physicochemical properties on *** this review,a comparative assessment of grindability is performed using titanium alloy,nickel-based alloy,and high-strength ***,this work considers the physicochemical properties as the main factors,and the antifriction and heat dissipation behaviours of biolubricant in a high temperature and pressure interface are comprehensively ***,the comparative assessment of force,temperature,wheel wear and workpiece surface for titanium alloy,nickel-based alloy,and high-strength steel confirms that biolubricant is a potential replacement of traditional cutting fluids because of its improved lubrication and cooling ***-viscosity biolubricant and nano-enhancers with high thermal conductivity are recommended for titanium alloy to solve the burn puzzle of the *** with high viscosity and high fatty acid saturation characteristics should be used to overcome the bottleneck of wheel wear and nickel-based alloy surface *** nano-enhancers with high hardness and spherical characteristics are better ***,a different option is available for high-strength steel grinding,which needs low-viscosity biolubricant to address the debris breaking difficulty and wheel ***,the current challenges and potential methods are proposed to promote the application of biolubricant.

关键词： grinding aerospace difficult-to-machine material biolubricant physicochemical property grindability

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Production of octyl levulinate biolubricant over modified H-ZSM-5:Optimization by response surface methodology

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Journal of Energy Chemistry 2014年第4期23卷 535-541页

作者： Kakasaheb Y.Nandiwale Sunil K.Yadava Vijay V.Bokade Catalysis and Inorganic Chemistry Division CSIR-National Chemical Laboratory Pune-411008 India University Institute of Chemical Technology North Maharashtra University Jalgaon-425001 Maharashtra India

The present study highlighted the use of modified H-ZSM-5 （Meso-HZ-5） as heterogeneous catalyst for the synthesis of octyl levulinate biolubricant by catalytic esterification of biomass derived renewable levulinic acid （LA） with n-octanol. The process variables such as catalyst loading （X1）, n-octanol to LA molar ratio （X2） and reaction temperature （X3） were optimized through response surface methodology （RSM）, using Box-Behnken model. Analysis of variance was performed to determine the adequacy and significance of the quadratic model. The yield of octyl levulinate was obtained to be 99% at optimum process parameters. The developed quadratic model was found to be adequate and statistically accurate with correlation value （R2） of 0.9971 to predict the yield of octyl levulinate biolubricant. The study was also extended on the validation of theoretical and experimental data, including catalyst reusability.

关键词： biolubricant esterification H-ZSM-5 levulinic acid octyl levulinate response surface methodology

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Synthesis and Characterisation of a biolubricant from Cameroon Palm Kernel Seed Oil Using a Locally Produced Base Catalyst from Plantain Peelings

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Green and Sustainable Chemistry 2018年第3期8卷 275-287页

作者： Michael Bong Alang Maurice Kor Ndikontar Yahaya Muhammad Sani Peter T. Ndifon Department of Inorganic Chemistry University of Yaoundé I Yaoundé Cameroon Department of Chemical Engineering Ahmadu Bello University Zaria Nigeria

biolubricant was synthesized from Cameroon palm kernel oil (PKO) by double transesterification, producing methyl esters in the first stage which were then transesterified with trimethylolpropane (TMP) to give the PKO biolubricant in the presence of a base catalyst obtained from plantain peelings (municipal waste). The yields from both catalysts were significantly similar (48% for the locally produced and 51% for the conventional) showing that the locally produced catalyst could be valorized. The synthesized biolubricant was characterized by measuring its physical and chemical properties. The specific gravity of 1.2, ASTM color of 1.5, cloud point of 0°C, pour point of -9°C, viscosities at 40°C of 509.80 cSt and at 100°C of 30.80 cSt, viscosity index of 120, flash point greater than 210°C and a fire point greater than 220°C were obtained. This synthesized biolubricant was found to be comparable to commercial T-46 petroleum lubricant sample produced industrially from mineral sources. We have therefore used local materials to produce a biolubricant using a cheap base catalyst produced from municipal waste.

关键词： biolubricant Transesterification Palm Kernel Oil Locally Produced Base Catalyst Viscosity Index Acid Value Methyl Esters

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Nanoparticle-enhanced coolants in machining:mechanism,application,and prospects

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Frontiers of Mechanical Engineering 2023年第4期18卷 1-47页

作者： Shuguo HU Changhe LI Zongming ZHOU Bo LIU Yanbin ZHANG Min YANG Benkai LI Teng GAO Mingzheng LIU Xin CUI Xiaoming WANG Wenhao XU Y.S.DAMBATTA Runze LI Shubham SHARMA School of Mechanical and Automotive Engineering Qingdao University of TechnologyQingdao 266520China Hanneng(Qingdao)Lubrication Technology Co. Ltd.Qingdao 266100China Sichuan New Aviation TA Technology Co. Ltd.Shifang 618400China Mechanical Engineering Department Ahmadu Bello UniversityZaria 810106Nigeria Massachusetts Institute of Technology CambridgeMA 02139USA Department of Mechanical Engineering IK Gujral Punjab Technical UniversityPunjab 144603India

Nanoparticle-enhanced coolants(NPECs)are increasingly used in minimum quantity lubrication(MQL)machining as a green lubricant to replace conventional cutting fluids to meet the urgent need for carbon emissions and achieve sustainable ***,the thermophysical properties of NPEC during processing remain unclear,making it difficult to provide precise guidance and selection principles for industrial ***,this paper reviews the action mechanism,processing properties,and future development directions of ***,the laws of influence of nano-enhanced phases and base fluids on the processing performance are revealed,and the dispersion stabilization mechanism of NPEC in the preparation process is ***,the unique molecular structure and physical properties of NPECs are combined to elucidate their unique mechanisms of heat transfer,penetration,and antifriction ***,the effect of NPECs is investigated on the basis of their excellent lubricating and cooling properties by comprehensively and quantitatively evaluating the material removal characteristics during machining in turning,milling,and grinding *** showed that turning of Ti‒6Al‒4V with multi-walled carbon nanotube NPECs with a volume fraction of 0.2%resulted in a 34%reduction in tool wear,an average decrease in cutting force of 28%,and a 7%decrease in surface roughness Ra,compared with the conventional flood ***,research gaps and future directions for further applications of NPECs in the industry are presented.

关键词： nanoparticle-enhanced coolant minimum quantity lubrication biolubricant thermophysical properties turning milling grinding

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Electrostatic atomization minimum quantity lubrication machining:from mechanism to application

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International Journal of Extreme Manufacturing 2022年第4期4卷 58-100页

作者： Wenhao Xu Changhe Li Yanbin Zhang Hafiz Muhammad Ali Shubham Sharma Runze Li Min Yang Teng Gao Mingzheng Liu Xiaoming Wang Zafar Said Xin Liu Zongming Zhou School of Mechanical and Automotive Engineering Qingdao University of TechnologyQingdao 266520People's Republic of China State Key Laboratory of Ultra-Precision Machining Technology Department of Industrial and Systems EngineeringThe Hong Kong Polytechnic UniversityHong KongPeople's Republic of China Mechanical Engineering Department King Fahd University of Petroleum and MineralsDhahran 31261Saudi Arabia Department of Mechanical Engineering IK Gujral Punjab Technical UniversityPunjab 144603India Department of Biomedical Engineering University of Southern CaliforniaLos AngelesCA 90089-1111United States of America College of Engineering University of SharjahSharjah 27272United Arab Emirates School of Mechanical Engineering Dalian University of TechnologyDalian 116024People's Republic of China Hanergy(Qingdao)Lubrication Technology Co.LTD Qingdao 266520People's Republic of China

Metal cutting fluids(MCFs)under flood conditions do not meet the urgent needs of reducing carbon ***-based minimum quantity lubrication(MQL)is an effective alternative to flood ***,pneumatic atomization MQL has poor atomization properties,which is detrimental to occupational ***,electrostatic atomization MQL requires preliminary exploratory ***,systematic reviews are lacking in terms of capturing the current research status and development direction of this *** study aims to provide a comprehensive review and critical assessment of the existing understanding of electrostatic atomization *** research can be used by scientists to gain insights into the action mechanism,theoretical basis,machining performance,and development direction of this ***,the critical equipment,eco-friendly atomization media(biolubricants),and empowering mechanisms of electrostatic atomization MQL are ***,the advanced lubrication and heat transfer mechanisms of biolubricants are revealed by quantitatively comparing MQL with MCF-based wet ***,the distinctive wetting and infiltration mechanisms of electrostatic atomization MQL,combined with its unique empowering mechanism and atomization method,are compared with those of pneumatic atomization *** experiments have shown that electrostatic atomization MQL can reduce tool wear by 42.4%in metal cutting and improve the machined surface Ra by 47%compared with pneumatic atomization ***,future development directions,including the improvement of the coordination parameters and equipment integration aspects,are proposed.

关键词： cutting grinding minimum quantity lubrication electrostatic atomization biolubricant

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