Fatigue crack initiation and propagation of a TiNi shape memory alloy

A. L. Gloanec; P. Cerracchio; B. Reynier; A. Van Herpen; P. Riberty

doi:10.1016/j.scriptamat.2010.02.001

Fatigue crack initiation and propagation of a TiNi shape memory alloy

A. L. Gloanec, P. Cerracchio, B. Reynier, A. Van Herpen, P. Riberty

Research output: Contribution to journal › Article › peer-review

Abstract

In this paper, fatigue crack initiation and the propagation stages of a TiNi shape memory alloy are examined using a low cycle fatigue interrupted test. Submitted to fatigue cyclic loading, the response of the alloy presents a classical pseudoelastic response. Two potential initiation crack areas are highlighted: at the phase interfaces and at the grain boundaries. Propagation results from the coalescence of many microscopic cracks. These two stages are detectable in the last 20% of the total fatigue life.

Original language	English
Pages (from-to)	786-789
Number of pages	4
Journal	Scripta Materialia
Volume	62
Issue number	10
DOIs	https://doi.org/10.1016/j.scriptamat.2010.02.001
Publication status	Published - 1 May 2010

Keywords

Dissipated energy
Fatigue crack initiation
Fatigue crack propagation
Low cycle fatigue
Pseudoelastic behavior

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10.1016/j.scriptamat.2010.02.001

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title = "Fatigue crack initiation and propagation of a TiNi shape memory alloy",

abstract = "In this paper, fatigue crack initiation and the propagation stages of a TiNi shape memory alloy are examined using a low cycle fatigue interrupted test. Submitted to fatigue cyclic loading, the response of the alloy presents a classical pseudoelastic response. Two potential initiation crack areas are highlighted: at the phase interfaces and at the grain boundaries. Propagation results from the coalescence of many microscopic cracks. These two stages are detectable in the last 20\% of the total fatigue life.",

keywords = "Dissipated energy, Fatigue crack initiation, Fatigue crack propagation, Low cycle fatigue, Pseudoelastic behavior",

author = "Gloanec, \{A. L.\} and P. Cerracchio and B. Reynier and \{Van Herpen\}, A. and P. Riberty",

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AU - Gloanec, A. L.

AU - Cerracchio, P.

AU - Reynier, B.

AU - Van Herpen, A.

AU - Riberty, P.

PY - 2010/5/1

Y1 - 2010/5/1

N2 - In this paper, fatigue crack initiation and the propagation stages of a TiNi shape memory alloy are examined using a low cycle fatigue interrupted test. Submitted to fatigue cyclic loading, the response of the alloy presents a classical pseudoelastic response. Two potential initiation crack areas are highlighted: at the phase interfaces and at the grain boundaries. Propagation results from the coalescence of many microscopic cracks. These two stages are detectable in the last 20% of the total fatigue life.

AB - In this paper, fatigue crack initiation and the propagation stages of a TiNi shape memory alloy are examined using a low cycle fatigue interrupted test. Submitted to fatigue cyclic loading, the response of the alloy presents a classical pseudoelastic response. Two potential initiation crack areas are highlighted: at the phase interfaces and at the grain boundaries. Propagation results from the coalescence of many microscopic cracks. These two stages are detectable in the last 20% of the total fatigue life.

KW - Dissipated energy

KW - Fatigue crack initiation

KW - Fatigue crack propagation

KW - Low cycle fatigue

KW - Pseudoelastic behavior

U2 - 10.1016/j.scriptamat.2010.02.001

DO - 10.1016/j.scriptamat.2010.02.001

M3 - Article

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VL - 62

SP - 786

EP - 789

JO - Scripta Materialia

JF - Scripta Materialia

IS - 10

ER -

Fatigue crack initiation and propagation of a TiNi shape memory alloy

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Keywords

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