An experimental investigation on tool wear behaviour of uncoated and coated micro-tools in micro-milling of graphene-reinforced polymer nanocomposites

Nanomaterials such as graphene have been added to various matrices to enhance mechanical, thermal and electrical properties for various applications requiring intricate designs at the micro-scale. At this scale, mechanical micro-machining is utilised as post-processing to achieve high surface qualit...

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Bibliographic Details
Published in:International journal of advanced manufacturing technology 2021-04, Vol.113 (7-8), p.2003-2015
Main Authors: Shakoori, Niusha, Fu, Guoyu, Le, Bao, Khaliq, Jibran, Jiang, Long, Huo, Dehong, Shyha, Islam
Format: Article
Language:English
Subjects:
CAE) and Design
Computer-Aided Engineering (CAD
Cutting force
Cutting parameters
Cutting speed
Cutting wear
Diamond machining
Diamond tools
Diamond-like carbon films
Electrical properties
Engineering
Graphene
Industrial and Production Engineering
Machinability
Mechanical Engineering
Media Management
Micromachining
Microtools
Milling (machining)
Molding (process)
Nanocomposites
Nanomaterials
Original Article
Polymers
Post-production processing
Rapid prototyping
Surface properties
Thermodynamic properties
Tool wear
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Summary:Nanomaterials such as graphene have been added to various matrices to enhance mechanical, thermal and electrical properties for various applications requiring intricate designs at the micro-scale. At this scale, mechanical micro-machining is utilised as post-processing to achieve high surface quality and dimensional accuracy while still maintaining high productivity. Therefore, in this study, the machinability of polymer nanocomposites in micro-scale (micro-machinability) is investigated. Graphene (0.3 wt%)-reinforced epoxy nanocomposites were fabricated using traditional solution mixing and moulding. The samples were then subjected to micro-milling at various cutting speeds using three different micro-tools, including uncoated, diamond and diamond-like carbon (DLC) tools. Mechanical and thermal properties of nanocomposite were also used to support the discussions. The result indicates that the DLC-coated tool shows better performance than the other tools for less tool wear, improved surface quality and less cutting forces.
ISSN:0268-3768
1433-3015
DOI:10.1007/s00170-021-06715-1