Flow and fracture behaviour of FV535 steel at different triaxialities, strain rates and temperatures

Erice Echávarri, Borja, Gálvez Díaz-Rubio, Francisco ORCID: https://orcid.org/0000-0003-2894-935X, Cendón Franco, David Ángel ORCID: https://orcid.org/0000-0001-7256-0814 and Sanchez Galvez, Vicente ORCID: https://orcid.org/0000-0001-9837-8850 (2012). Flow and fracture behaviour of FV535 steel at different triaxialities, strain rates and temperatures. "Engineering Fracture Mechanics", v. 79 ; pp. 1-17. ISSN 0013-7944. https://doi.org/10.1016/j.engfracmech.2011.08.023.

Description

Title: Flow and fracture behaviour of FV535 steel at different triaxialities, strain rates and temperatures
Author/s:
Item Type: Article
Título de Revista/Publicación: Engineering Fracture Mechanics
Date: January 2012
ISSN: 0013-7944
Volume: 79
Subjects:
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ciencia de los Materiales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The new generation jet engines operate at highly demanding working conditions. Such conditions need very precise design which implies an exhaustive study of the engine materials and behaviour in their extreme working conditions. With this purpose, this work intends to describe a numerically-based calibration of the widely-used Johnson–Cook fracture model, as well as its validation through high temperature ballistic impact tests. To do so, a widely-used turbine casing material is studied. This material is the Firth Vickers 535 martensitic stainless steel. Quasi-static tensile tests at various temperatures in a universal testing machine, as well as dynamic tests in a Split Hopkinson Pressure Bar, are carried out at different triaxialities. Using ABAQUS/Standard and LS-DYNA numerical codes, experimental data are matched. This method allows the researcher to obtain critical data of equivalent plastic strain and triaxility, which allows for more precise calibration of the Johnson–Cook fracture model. Such enhancement allows study of the fracture behaviour of the material across its usage temperature range.

More information

Item ID: 15887
DC Identifier: https://oa.upm.es/15887/
OAI Identifier: oai:oa.upm.es:15887
DOI: 10.1016/j.engfracmech.2011.08.023
Official URL: http://www.sciencedirect.com/science/article/pii/S...
Deposited by: Memoria Investigacion
Deposited on: 23 Oct 2013 09:05
Last Modified: 24 Sep 2018 11:03
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