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Chemical etching as a method of combatting adhesive tool wear during severe plastic deformation of commercially-pure titanium

Roszak, J.A. and Rosochowski, A. and Rosochowska, M. (2017) Chemical etching as a method of combatting adhesive tool wear during severe plastic deformation of commercially-pure titanium. In: Advances in Transdisciplinary Engineering. IOS Press, Amsterdam, pp. 15-20. ISBN 978-1-61499-791-7

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Abstract

This paper investigates chemical etching as a potential temporary solution to severe adhesive wear experienced during forming of commercially-pure titanium. The aim was to identify contributing factors and experimentally quantify their effects on the etching of CP-Ti and Vanadis 23 tool steel. A comprehensive literature review identified a promising etchant solution, containing 6.5% hydrofluoric acid, 2% formic acid and 2% triethanolamine. A full factorial experiment was designed to test the effects of three factors – hydrofluoric acid concentration, temperature, and time – with statistical analysis to interpret and validate the results. The results confirmed that increasing any of the factors tested leads to a significant increase in titanium dissolution, while only temperature and concentration increases led to a significant increase in steel dissolution. Therefore, a 20°C solution of 3.5% hydrofluoric acid and an etching duration of 35 minutes is recommended for removing adhered titanium without significantly affecting the steel.

Item type: Book Section
ID code: 65212
Notes: With permission from IOS Press : Roszak, J. A., Rosochowski, A., & Rosochowska, M. (2017). Chemical etching as a method of combatting adhesive tool wear during severe plastic deformation of commercially-pure titanium. In J. Gao, M. El Souri, & S. Keates (Eds.), Advances in Transdisciplinary Engineering (pp. 15-20). Amsterdam: IOS Press. Http://dx.doi.org/10.3233/978-1-61499-792-4-15
Keywords: etching, pure titanium, severe adhesive wear, galling, hydrofluoric acid, tool maintenance, Manufactures, Industrial and Manufacturing Engineering
Subjects: Technology > Manufactures
Department: Faculty of Engineering > Design, Manufacture and Engineering Management
Depositing user: Pure Administrator
Date deposited: 21 Aug 2018 11:53
Last modified: 11 Jan 2019 02:12
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URI: https://strathprints.strath.ac.uk/id/eprint/65212
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