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Analysis of tool wear, cutting force, surface roughness and machining temperature during finishing operation of ultrasonic assisted milling (UAM) of carbon fibre reinforced plastic (CFRP).
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Abd Halim, Nor Farah Huda Binti, Ascroft, Helen and Barnes, Stuart (2017) Analysis of tool wear, cutting force, surface roughness and machining temperature during finishing operation of ultrasonic assisted milling (UAM) of carbon fibre reinforced plastic (CFRP). In: International Conference on Advances in Materials and Processing Technologies (AMPT), Kuala Lumpur, Malaysia, 8–11 Nov 2016. Published in: Procedia Engineering, 184 pp. 185-191. ISSN 1877-7058.
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WRAP-analysis-tool-wear-roughness-operation-plastic-Ashcroft-2017.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (1009Kb) | Preview |
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WWRAP_Composite Materials and Technologies_279_Analysis Of Tool Wear Force Surface Roughness and Machining Temperature During Finishing Operation of UAM of.pdf - Accepted Version Embargoed item. Restricted access to Repository staff only - Requires a PDF viewer. Download (1001Kb) |
Official URL: https://doi.org/10.1016/j.proeng.2017.04.084
Abstract
Carbon fibre reinforced plastic (CFRP) is typically manufactured near to net-shape. However, secondary machining processes such as milling are often required before final assembly operation. Conventional milling is often associated with challenges such as rapid tool wear, poor surface roughness, fibre pull-out, delamination and high cutting forces. The present work compares ultrasonic assisted milling (UAM) with conventional milling (CM) of CFRP in term of tool wear, cutting force, surface roughness, and machining temperature. Experiments for UAM and CM were conducted using three fluted polycrystalline-diamond (PCD) tools employing constant speed (500m/min) and feed rate (0.8m/min). For UAM, the amplitude and frequency were fixed at 5µm and 39000 Hz, respectively. Application of UAM resulted in reduced forces (up to 20 %) and temperatures (up to 15 %), however, it was observed that surface roughness increased (up to 5 %). In addition, UAM produced higher tool wear (106 µm) when compared to CM (80 µm) after 10m machining length. Analysis of thermal damage of machined surface using Different Scanning Calorimetry (DSC) is also presented. The glass transition temperature (Tg) of CFRP shifted from 272 °C to ≈70 °C for both UAM and CM suggesting that machining temperature resulted in significant material property changes.
Item Type: | Conference Item (Paper) | ||||||
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Subjects: | T Technology > TJ Mechanical engineering and machinery | ||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Library of Congress Subject Headings (LCSH): | Carbon fiber-reinforced plastics, Carbon fiber-reinforced plastics -- Industrial applications , Milling (Metal-work) -- Technological innovations, Machining -- Technological innovations | ||||||
Journal or Publication Title: | Procedia Engineering | ||||||
Publisher: | Elsevier | ||||||
ISSN: | 1877-7058 | ||||||
Official Date: | 2 May 2017 | ||||||
Dates: |
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Volume: | 184 | ||||||
Page Range: | pp. 185-191 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||
Date of first compliant deposit: | 24 November 2016 | ||||||
Date of first compliant Open Access: | 14 June 2017 | ||||||
Funder: | Innovate UK, BAE SYSTEMS (Firm), International Islamic University Malaysia (ISUM) | ||||||
Conference Paper Type: | Paper | ||||||
Title of Event: | International Conference on Advances in Materials and Processing Technologies (AMPT) | ||||||
Type of Event: | Conference | ||||||
Location of Event: | Kuala Lumpur, Malaysia | ||||||
Date(s) of Event: | 8–11 Nov 2016 | ||||||
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