Experimental investigation of flank wear in end milling of aluminum alloy with water-based TiO₂ nanofluid lubricant in minimum quantity lubrication technique

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• 作者：M. S. Najiha…
• 关键词：MQL ; Nanofluid ; Wear ; Abrasion ; Attrition ; Adhesion
• 刊名：The International Journal of Advanced Manufacturing Technology
• 出版年：2016
• 出版时间：October 2016
• 年：2016
• 卷：86
• 期：9-12
• 页码：2527-2537
• 全文大小：2,355 KB
• 刊物类别：Engineering
• 刊物主题：Industrial and Production Engineering
  Production and Logistics
  Mechanical Engineering
  Computer-Aided Engineering and Design
  
• 出版者：Springer London
• ISSN：1433-3015
• 卷排序：86

文摘

This paper investigates the minimum quantity lubrication technique in end milling of aluminum alloy AA6061 with minimum quantity lubrication (MQL) conditions using nanofluid. Wear mechanisms for the water-based TiO₂ nanofluid with a nanoparticle volume fraction of 1.5 % are compared with conventional oil-based minimum quantity lubrication (0.48 and 0.83 ml/min) and flooded cooling conditions using an uncoated tungsten carbide insert. Wear mechanisms are characterized. Results show adhesion of the work material as the major tool damage phenomenon. Abrasion wear is also observed along with adhesion. The major benefit from the water-based nanofluid MQL is shown in the intact edge geometry, i.e., edge integrity showing very little chipping as well as edge fracture. This is attributed to the cooling effect produced by the latent heat of vaporization of water, resulting in lowering of temperature in the cutting zone.