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New models for depicting corrosion fatigue behaviour and calendar life of metallic structural component.

New models for depicting corrosion fatigue behaviour and calendar life of metallic structural component.
New models for depicting corrosion fatigue behaviour and calendar life of metallic structural component.
New S-N-t surface model is proposed for depicting corrosion fatigue behaviour and novel formulae are derived to estimate the parameters of proposed model by best fitting from a minimal experimental dataset of corrosion fatigue tests. From the Palmgren–Miner rule, a cumulative damage model for the alternation between corrosion and fatigue is developed to evaluate calendar life of metallic structural component. Corrosion tests are conducted on unnotched and notched specimens from LD10CS aluminium alloy and 15CrMnMoVA alloy steel in artificial corrosion environments. Fatigue tests are also performed on corroded specimens subjected to constant amplitude loading and the interaction mechanisms between corrosion and fatigue are deduced from fractographic studies. The applicability of the new models has been shown for experimental datasets for depicting corrosion fatigue behaviour and for evaluating calendar life of
motor brace rod in helicopter.
0954-4062
207-222
Fu, Yu
ed604873-78a1-4d3d-82dc-fc9f74eed53b
Xiong, Jun-jiang
db7ddb0c-f3f0-4001-8a3a-93b20e51b8e0
Shenoi, Ajit
a37b4e0a-06f1-425f-966d-71e6fa299960
Fu, Yu
ed604873-78a1-4d3d-82dc-fc9f74eed53b
Xiong, Jun-jiang
db7ddb0c-f3f0-4001-8a3a-93b20e51b8e0
Shenoi, Ajit
a37b4e0a-06f1-425f-966d-71e6fa299960

Fu, Yu, Xiong, Jun-jiang and Shenoi, Ajit (2017) New models for depicting corrosion fatigue behaviour and calendar life of metallic structural component. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 231 (2), 207-222. (doi:10.1177/0954406216637633).

Record type: Article

Abstract

New S-N-t surface model is proposed for depicting corrosion fatigue behaviour and novel formulae are derived to estimate the parameters of proposed model by best fitting from a minimal experimental dataset of corrosion fatigue tests. From the Palmgren–Miner rule, a cumulative damage model for the alternation between corrosion and fatigue is developed to evaluate calendar life of metallic structural component. Corrosion tests are conducted on unnotched and notched specimens from LD10CS aluminium alloy and 15CrMnMoVA alloy steel in artificial corrosion environments. Fatigue tests are also performed on corroded specimens subjected to constant amplitude loading and the interaction mechanisms between corrosion and fatigue are deduced from fractographic studies. The applicability of the new models has been shown for experimental datasets for depicting corrosion fatigue behaviour and for evaluating calendar life of
motor brace rod in helicopter.

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Accepted/In Press date: 2 February 2016
e-pub ahead of print date: 7 March 2016
Published date: 1 January 2017
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 404270
URI: http://eprints.soton.ac.uk/id/eprint/404270
ISSN: 0954-4062
PURE UUID: 5b1734ac-d1cd-4591-a86b-047a7907a871

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Date deposited: 05 Jan 2017 11:30
Last modified: 27 Apr 2022 11:06

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Contributors

Author: Yu Fu
Author: Jun-jiang Xiong
Author: Ajit Shenoi

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