Iranian Journal of Manufacturing Engineering

Iranian Journal of Manufacturing Engineering

Study the effects of cutting parameters and lubrication conditions on the fine and ultrafine particles in machining titanium-metal matrix composite (Ti-MMC)

Document Type : Original Article

Authors
Seyed Ali Niknam 1
Victor Songmene 2
1 Assistant Professor, School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran
2 Professor, Department of Mechanical Engineering, École de Technologie Supérieure (ÉTS), Université du Québec, Montreal, Canada
10.22034/ijme.2024.445650.1932
Abstract
Titanium metal matrix composite (Ti-MMC) is a suitable alternative for titanium alloys in various products and industrial sectors. Due to the presence of hard and abrasive ceramic particles in the matrix of such material, machining of Ti-MMc is generally conducted under lubrication conditions. The size and composition of particles and dust resulting from machining processes are among the critical and primary factors in determining the toxicity of environmental pollution. Aerosol emission of 2.5-10 microns remains in the trachea and bronchioles, and particles larger than 10 microns are usually located in the chest and nose. Considering limited studies in this domain, the effects of cutting parameters and lubrication conditions on the concentration of ultrafine and fine particles during machining Ti-MMC were studied in this work. The effects of coating and flow rate on dust emission reduction were tangible based on experimental observations. Regardless of the coating type, using a higher flow rate in the cutting fluid led to reduced fine particles and vice versa; no significant effect was observed on ultrafine particles. In similar cutting conditions, higher levels of fine particles were observed when using uncoated tools. In addition, on the coated tool, except for the low levels of cutting speed, the lowest values of ultrafine particles were observed in addition to high levels of cutting speed and flow rate.
Keywords
Metal Matrix Composite (MMC)
Machining
Particle Emission
Lubrication
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