Results 1 to 10 of about 12,094 (191)

Effect of Bio-Based, Mixed Ester Lubricant in Minimum Quantity Lubrication on Tool Wear and Surface Integrity in Ultra-Precision Fly-Cutting of KDP Crystals

Lubricants
Potassium dihydrogen phosphate (KDP) crystals, vital for high-power laser systems, pose significant machining challenges due to their brittleness, low hardness, and hygroscopic properties.
Xuelian Yao, Feihu Zhang, Shuai Zhang, Jianfeng Zhang, Defeng Liao, Xiangyang Lei, Jian Wang, Jianbiao Du   +7 more
doaj   +1 more source

Numerical simulation of multi-principal elements high-entropy alloy milling based on minimal quantity lubrication

Jin'gangshi yu moliao moju gongcheng
ObjectivesHigh-entropy alloys (HEA) with multi-principal elements have many excellent characteristics such as high strength, high hardness and high wear resistance, which have attracted widespread attention from scholars.
Yanwei WU, Yin LIU, Xingwei SUN, Heran YANG, Zhixu DONG, Weifeng ZHANG   +5 more
doaj   +1 more source

Application of MQL technique using TiO2 nanoparticles compared to MQL simultaneous to the grinding wheel cleaning jet

The International Journal of Advanced Manufacturing Technology, 2019
The minimum quantity lubrication + nanofluid technique has proven to be feasible in machining processes, since it has shown potential for improvements through its lubri-refrigeration and heat removal characteristics, beyond increase the surface quality workpiece surface, while minimizing diametrical wheel wear.
José Claudio Lopes, Mateus Vinicius Garcia, Roberta Silveira Volpato, Hamilton José de Mello, Fernando Sabino Fonteque Ribeiro, Luiz Eduardo de Angelo Sanchez, Kleper de Oliveira Rocha, Luiz Daré Neto, Paulo Roberto Aguiar, Eduardo Carlos Bianchi   +9 more
openaire   +2 more sources

2+1-dimensional electrically charged black holes in Einstein - Power Maxwell Theory

, 2012
A large family of new black hole solutions in 2+1-dimensional Einstein-Power-Maxwell (EPM) gravity with prescribed physical properties is derived. We show with particular examples that according to the power parameter k of the Maxwell field, the obtained
Gurtug, O., Halilsoy, M., Mazharimousavi, S. Habib   +2 more
core   +1 more source

Analysis of tool wear and cutting temperature in WS2-assisted MQL turning of H13 steel

Discover Mechanical Engineering
This study aims to analyze the turning performance of H13 steel in dry and minimum quantity lubrication (MQL) environments, employing Tungsten Disulfide (WS2) as a solid lubricant. Machining of H13 steel is challenging, particularly in its hardened state.
Naman Sandhu, Rupinder Singh, Narinder Singh   +2 more
doaj   +1 more source

Electron Transport in Magnetic-Field-Induced Quasi-One-Dimensional Electron Systems in Semiconductor Nanowhiskers

, 2005
Many-body effects on tunneling of electrons in semiconductor nanowhiskers are investigated in a magnetic quantum limit. We consider the system with which bulk and edge states coexist.
Biagini, Björk, Gudiksen, Kawabata, Kubo, Kubo, Matveev, Toshihiro Kubo, Tsai, Yasuhiro Tokura   +9 more
core   +1 more source

Sustainability Assessment during Machining Ti-6Al-4V with Nano-Additives-Based Minimum Quantity Lubrication

Journal of Manufacturing and Materials Processing, 2019
The implementation of sustainable machining process can be accomplished by different strategies including process optimization and selection of the proper lubrication techniques and cutting conditions.
Hossam A. Kishawy, Hussien Hegab, Ibrahim Deiab, Abdelkrem Eltaggaz   +3 more
doaj   +1 more source

Assessing the cooling/lubricating agencies for sustainable alternatives during machining of Nimonic 80: Economic and environmental impacts

Heliyon
Developing sustainable manufacturing methods that balance environmental and economic aspects is challenging. A comprehensive analysis of the economics of machining and carbon emissions is essential to encourage adopting sustainable practices.
Mayur A. Makhesana, Harsh Vesuwala, Kaushik M. Patel, Ana Vafadar, Murat Sarikaya, Navneet Khanna   +5 more
doaj   +1 more source

Comparative Study Of Congestion Control Techniques In High Speed Networks [PDF]

, 2009
Congestion in network occurs due to exceed in aggregate demand as compared to the accessible capacity of the resources. Network congestion will increase as network speed increases and new effective congestion control methods are needed, especially to ...
Ahmad, Bashir, Ahmad, Shakeel, Bano, Arjamand, Hosam, Al-Sammarraie, Mustafa, Adli   +4 more
core   +1 more source

The Use of Hybrid CO2+MQL in Machining Operations

Procedia Engineering, 2015
Nowadays, the environmental concern in machining industry is a fact. Because of that, in this article a new cooling-lubrication system which combines CO2 cryogenic and MQL technologies is presented. The aim of this new cooling-lubrication system is to offer an ecological and economic efficient alternative.
Pereira, Octavio, Català Calderon, Pau, Rodríguez, Adrián, Ostra, Txomin, Vivancos Calvet, Joan, Rivero, Asunción, López de la Calle, Luís Norberto   +6 more
openaire   +4 more sources