Journal of Science and Technology of Composites

Journal of Science and Technology of Composites

Study Tool wear in Cryogenic milling of A356-10%SiC

Document Type : Research Paper

Authors
Ghasem Najafy 1
Seyed Ali Niknam 2
Behnam Davoodi 2
Victor Songmene 3
1 School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran
2 School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran.
3 Department of Mechanical Engineering, École de Technologie Supérieure, Montreal, Canada.
10.22068/jstc.2023.2008763.1850
Abstract
Composites are combined with at least two materials; one is considered as the base material and later is used to improve the material properties. This study is also about one of the widely used composites so-called aluminium metal matrix composites (Al-MMC) and additional reinforcing particles, including silicon carbide (SiC). The main features of such composite are high hardness and strength, as well as lightweight.The main disadvantages are low machinability and high wear in cutting tools. Several studies have been conducted to improve the machinability of MMCs. The literature review in this domain denotes that limited studies have yet been conducted on the effects of different cooling methods, especially cryogenic cooling and related strategies, on the wear and tool life in the machining of MMCs. Therefore, in this study, the effects of cutting parameters and cryogenic cooling on the tool wear in the machining of A356-10%SiC were studied. Based on the statistical analysis, it was observed that the effects of cutting parameters and cryogenic cooling parameters on the tool wear was significant (R2=0.97, and a robust mathematical relationship exists between tool wear and the studied parameters. Moreover, compared with previous studies, it was observed that tool life under cryogenic conditions was increased by around 26% compared to readings made under dry conditions.
Keywords
Metal matrix composite
Aluminium alloys
Machining
Cryogenic
Tool wear

Subjects

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Journal of Science and Technology of Composites
Volume 10, Issue 3
Summer 2023
Pages 2251-2256