The University of Southampton
University of Southampton Institutional Repository

Ultra‐low cycle fatigue tests and fracture prediction models for duplex stainless steel devices of high seismic performance braced frames

Ultra‐low cycle fatigue tests and fracture prediction models for duplex stainless steel devices of high seismic performance braced frames
Ultra‐low cycle fatigue tests and fracture prediction models for duplex stainless steel devices of high seismic performance braced frames
This paper presents ultralow cycle fatigue tests and the calibration of different fracture models for duplex stainless-steel devices of high seismic performance braced frames. Two different geometries of the devices were tested in full scale under 14 cyclic loading protocols up to fracture. The imposed protocols consisted of standard, constant-amplitude, and randomly generated loading histories. The test results show that the devices have stable hysteresis, high postyield stiffness, and large energy-dissipation and fracture capacities. Following the tests, two micromechanics-based models, i.e., the cyclic void growth model and the built-in ABAQUS ductile fracture model, were calibrated using monotonic and cyclic tests on circumferentially notched coupons and complementary finite-element simulations. In addition, Coffin-Manson-like relationships were fitted to the results of the constant-amplitude tests of the devices, and the Palmgren-Miner’s rule was used to predict fracture of the devices under the randomly generated loading protocols. Comparisons of the experimental and numerical results show that the calibrated models can predict ductile fracture of the devices due to ultralow cycle fatigue with acceptable accuracy.

0733-9445
Baiguera, Marco
8d832edf-e16f-426a-be38-6bcdc7b83545
Vasdravellis, George
cc4c93ee-c111-4302-a27e-2d99126a18fc
Karavasilis, Theodore
15850eb0-6af4-4b6e-bab4-d5bde281b769
Baiguera, Marco
8d832edf-e16f-426a-be38-6bcdc7b83545
Vasdravellis, George
cc4c93ee-c111-4302-a27e-2d99126a18fc
Karavasilis, Theodore
15850eb0-6af4-4b6e-bab4-d5bde281b769

Baiguera, Marco, Vasdravellis, George and Karavasilis, Theodore (2019) Ultra‐low cycle fatigue tests and fracture prediction models for duplex stainless steel devices of high seismic performance braced frames. Journal of Structural Engineering, 145 (1), [04018230]. (doi:10.1061/(ASCE)ST.1943-541X.0002243).

Record type: Article

Abstract

This paper presents ultralow cycle fatigue tests and the calibration of different fracture models for duplex stainless-steel devices of high seismic performance braced frames. Two different geometries of the devices were tested in full scale under 14 cyclic loading protocols up to fracture. The imposed protocols consisted of standard, constant-amplitude, and randomly generated loading histories. The test results show that the devices have stable hysteresis, high postyield stiffness, and large energy-dissipation and fracture capacities. Following the tests, two micromechanics-based models, i.e., the cyclic void growth model and the built-in ABAQUS ductile fracture model, were calibrated using monotonic and cyclic tests on circumferentially notched coupons and complementary finite-element simulations. In addition, Coffin-Manson-like relationships were fitted to the results of the constant-amplitude tests of the devices, and the Palmgren-Miner’s rule was used to predict fracture of the devices under the randomly generated loading protocols. Comparisons of the experimental and numerical results show that the calibrated models can predict ductile fracture of the devices due to ultralow cycle fatigue with acceptable accuracy.

This record has no associated files available for download.

More information

Accepted/In Press date: 16 July 2018
e-pub ahead of print date: 30 October 2018
Published date: 1 January 2019
Additional Information: ©2018 American Society of Civil Engineers

Identifiers

Local EPrints ID: 428993
URI: http://eprints.soton.ac.uk/id/eprint/428993
ISSN: 0733-9445
PURE UUID: 7a32c4d1-b00e-4380-a888-42b77482ea74
ORCID for Marco Baiguera: ORCID iD orcid.org/0000-0001-7545-4988
ORCID for Theodore Karavasilis: ORCID iD orcid.org/0000-0003-2553-5389

Catalogue record

Date deposited: 15 Mar 2019 17:30
Last modified: 06 Jun 2024 02:10

Export record

Altmetrics

Contributors

Author: Marco Baiguera ORCID iD
Author: George Vasdravellis
Author: Theodore Karavasilis ORCID iD

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×