PSI - Issue 60

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ScienceDirect

Available online at www.sciencedirect.com StructuralIntegrity Procedia 00 (2023) 000–000

www.elsevier.com/locate/procedia

ScienceDirect

Procedia Structural Integrity 60 (2024) 345–354

Third International Conference on Structural Integrity 2023 (ICONS 2023)

Evaluation of Specific Wear Coefficient of Sliding Contact Pairs through Tribological Experiments Nagaraja Bhat Y V a,b *, M. Arvinth Davinci c , Ashish Kumar b , N.L.Parthasarathi c , S.I. Sundar Raj b , Dipti Samataray a,c , B.K. Sreedhar a,b

a Homi Bhabha National Institute, Mumbai, 400 094, India b Fast reactor technology Group, Indira Gandhi Centre for Atomic research, Kalpakkam, 603102, India c Metallurgy & Materials Group , Indira Gandhi Centre for Atomic research, Kalpakkam, 603102, India

Abstract

© 2024 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of the ICONS 2023 Organizers In fuel handling machine of Prototype Fast Breeder Reactor, colomony-5 is extensively used for hardfacing of rubbing surfaces. To avoid the challenges associated with hardfacing of the components, it is proposed to eliminate hardfacing by using a forged component of a suitable material. 440C steel is a candidate material for this application. Hence, experiments were conducted to evaluate the tribological properties of 440C steel under various conditions seen during the operation. The tests were carried out using pin on disc tribometer by varying the load from 10-20 N and sliding speed from 5-30 mm/s. Friction and specific wear coefficients were evaluated from the experiments. Besides, Global Incremental Wear Model (GIWM) was used for prediction of wear behaviour of the steel. © 2024 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of the ICONS 2023 Organizers Keywords: 440C; Pin on disc; Arhcard wear;

Nomenclature

Applied normal load in ‘N’

F

Young’s modulus of pin in ‘N/m 2 ’

E 1

* Corresponding author. Tel.: +91-044-27480500, ext no.: 21088 E-mail address: yvnb@igcar.gov.in

2452-3216© 2024 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license  Peer-review under responsibility of the ICONS 2023 Organizers

2452-3216 © 2024 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of the ICONS 2023 Organizers 10.1016/j.prostr.2024.05.055