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Custom-tailored cross-cylinder tribotest to emulate wear mechanism in drilling of CFRP-Ti stacks
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements. Department of Mechanical Engineering, CEMMPRE, ARISE, University of Coimbra, Rua Luis Reis Santos, 3030-788 Coimbra, Portugal.ORCID iD: 0000-0003-0908-1065
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0001-8676-8819
Department of Mechanical Engineering, CEMMPRE, ARISE, University of Coimbra, Rua Luis Reis Santos, 3030-788 Coimbra, Portugal.
2023 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 186, article id 108589Article in journal (Refereed) Published
Abstract [en]

While drilling of CFRP-Ti stacks, tool experiences complex tribomechanical interaction due to dissimilar workpiece constituents. For emulating tool wear behavior, the typical tribotest configuration such as reciprocating and pin-on-disc test are not representative for imitating contact scenario underwent during the drilling operation. Cross-cylinder tribotest is an effective test configuration to emulate contact in different manufacturing processes by providing fresh contact surface during sliding. In this work, for the first-time, tool wear of WC-Co cylinders was analyzed in cross-cylinder configuration against multi-material stack arrangement. Moreover, cross-cylinder testing against multi-material [CFRP-Ti]n workpiece showed cyclic variation in coefficient of friction against different workpiece constituents and wear mechanism is a combination of adhesive and abrasive wear on WC-Co tool, comparable to actual drilling operation.

Place, publisher, year, edition, pages
Elsevier, 2023. Vol. 186, article id 108589
Keywords [en]
Cross-cylinder tribotest, CFRP-Ti stacks, Difficult-to-machine materials, Wear
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-97629DOI: 10.1016/j.triboint.2023.108589ISI: 001001426300001Scopus ID: 2-s2.0-85159118215OAI: oai:DiVA.org:ltu-97629DiVA, id: diva2:1760168
Funder
EU, Horizon 2020, 860246
Note

Validerad;2023;Nivå 2;2023-05-29 (joosat);

Funder: FCT – Fundaçao para a Ciencia e a Tecnologia, (UIDB/00285/2020, LA/P/0112/2020)

Available from: 2023-05-29 Created: 2023-05-29 Last updated: 2024-06-03Bibliographically approved
In thesis
1. Sustainable and Environmentally Friendly Drilling of CFRP-Ti Stacks by DLC Coated Drills – A Tribomechanics Approach
Open this publication in new window or tab >>Sustainable and Environmentally Friendly Drilling of CFRP-Ti Stacks by DLC Coated Drills – A Tribomechanics Approach
2024 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Luleå: Luleå University of Technology, 2024
Series
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
urn:nbn:se:ltu:diva-105738 (URN)978-91-8048-593-7 (ISBN)978-91-8048-594-4 (ISBN)
Public defence
2024-09-04, E632, Luleå University of Technology, Luleå, 10:00 (English)
Opponent
Supervisors
Available from: 2024-06-03 Created: 2024-06-03 Last updated: 2024-06-05Bibliographically approved

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Khan, Sharjeel AhmedEmami, Nazanin

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