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Effects of tool coating and tool wear on the surface quality and flexural strength of slotted CFRP
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Ashworth, Sam, Fairclough, J. Patrick A., Meredith, James O., Takikawa, Yoshihiro and Kerrigan, Kevin (2022) Effects of tool coating and tool wear on the surface quality and flexural strength of slotted CFRP. Wear, 498-499 . 204340. doi:10.1016/j.wear.2022.204340 ISSN 0043-1648.
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Official URL: https://doi.org/10.1016/j.wear.2022.204340
Abstract
Machining of carbon fibre reinforced polymer (CFRP) is abrasive and causes significant tool wear. The effect of tool wear on static flexural strength is investigated, using edge trimming with uncoated carbide and chemical vapour deposition (CVD) diamond coated burr style tools. Edge rounding (ER) criteria along with flank wear are used to observe tool degradation with ER shown to preferentially wear allowing the tool to become cyclically sharper and duller, corresponding to fluctuating dynamometer readings, a novelty for CFRP machining. Areal surface metrics degraded for an uncoated tool due to changes in cutting mechanism, whilst for up to 16.2 m of linear traverse, the coated tool showed limited changes. Tool wear, caused by edge trimming 7.2 m of CFRP, using an uncoated carbide tool, provided a flexural strength reduction of up to 10.5 %, directly linking tool wear to reduced mechanical strength.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery T Technology > TS Manufactures |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
Library of Congress Subject Headings (LCSH): | Carbon fiber-reinforced plastics -- Machinability, Mechanical wear, Machine-tools, Machining, Chemical vapor deposition | ||||||||
Journal or Publication Title: | Wear | ||||||||
Publisher: | Elsevier BV | ||||||||
ISSN: | 0043-1648 | ||||||||
Official Date: | 15 June 2022 | ||||||||
Dates: |
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Volume: | 498-499 | ||||||||
Article Number: | 204340 | ||||||||
DOI: | 10.1016/j.wear.2022.204340 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||
Date of first compliant deposit: | 6 May 2022 | ||||||||
Date of first compliant Open Access: | 6 May 2022 | ||||||||
RIOXX Funder/Project Grant: |
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