Microstructural hardness heterogeneity triggers fatigue crack non-propagation in as-hot-rolled Fe-30Mn-3Si-3Al twinning-induced plasticity steel

Motomichi Koyama, Yusuke Yamamura, Takahiro Sawaguchi, Kaneaki Tsuzaki, Hiroshi Noguchi

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We investigated the fatigue properties and associated crack growth behaviors of as-hot-rolled and solution-treated Fe-30Mn-3Si-3Al twinning-induced plasticity (TWIP) steels. The as-hot-rolled TWIP steel showed a higher fatigue strength than that of the solution-treated steel. Moreover, the as-hot-rolled steel showed a non-propagating fatigue crack at the fatigue limit, while the solution-treated steel did not. The high resistance to fatigue crack growth cannot only be attributed to an increase in hardness, but is also associated with heterogeneous hardness distribution. The effect of hardness heterogeneity was numerically supported by Dugdale model-based simulations.

Original languageEnglish
Pages (from-to)18-24
Number of pages7
JournalInternational Journal of Fatigue
Volume108
DOIs
Publication statusPublished - Mar 1 2018

Fingerprint

Twinning
Fatigue Crack
Steel
Trigger
Plasticity
Hardness
Fatigue of materials
Fatigue Limit
Fatigue Strength
Fatigue Crack Growth
Crack Growth
Fatigue crack propagation
Fatigue
Crack propagation
Fatigue cracks
Model-based
Simulation

All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

Cite this

Microstructural hardness heterogeneity triggers fatigue crack non-propagation in as-hot-rolled Fe-30Mn-3Si-3Al twinning-induced plasticity steel. / Koyama, Motomichi; Yamamura, Yusuke; Sawaguchi, Takahiro; Tsuzaki, Kaneaki; Noguchi, Hiroshi.

In: International Journal of Fatigue, Vol. 108, 01.03.2018, p. 18-24.

Research output: Contribution to journalArticle

@article{525c1413f38f459685e7bf8b96bc9111,
title = "Microstructural hardness heterogeneity triggers fatigue crack non-propagation in as-hot-rolled Fe-30Mn-3Si-3Al twinning-induced plasticity steel",
abstract = "We investigated the fatigue properties and associated crack growth behaviors of as-hot-rolled and solution-treated Fe-30Mn-3Si-3Al twinning-induced plasticity (TWIP) steels. The as-hot-rolled TWIP steel showed a higher fatigue strength than that of the solution-treated steel. Moreover, the as-hot-rolled steel showed a non-propagating fatigue crack at the fatigue limit, while the solution-treated steel did not. The high resistance to fatigue crack growth cannot only be attributed to an increase in hardness, but is also associated with heterogeneous hardness distribution. The effect of hardness heterogeneity was numerically supported by Dugdale model-based simulations.",
author = "Motomichi Koyama and Yusuke Yamamura and Takahiro Sawaguchi and Kaneaki Tsuzaki and Hiroshi Noguchi",
year = "2018",
month = "3",
day = "1",
doi = "10.1016/j.ijfatigue.2017.11.009",
language = "English",
volume = "108",
pages = "18--24",
journal = "International Journal of Fatigue",
issn = "0142-1123",
publisher = "Elsevier Limited",

}

TY - JOUR

T1 - Microstructural hardness heterogeneity triggers fatigue crack non-propagation in as-hot-rolled Fe-30Mn-3Si-3Al twinning-induced plasticity steel

AU - Koyama, Motomichi

AU - Yamamura, Yusuke

AU - Sawaguchi, Takahiro

AU - Tsuzaki, Kaneaki

AU - Noguchi, Hiroshi

PY - 2018/3/1

Y1 - 2018/3/1

N2 - We investigated the fatigue properties and associated crack growth behaviors of as-hot-rolled and solution-treated Fe-30Mn-3Si-3Al twinning-induced plasticity (TWIP) steels. The as-hot-rolled TWIP steel showed a higher fatigue strength than that of the solution-treated steel. Moreover, the as-hot-rolled steel showed a non-propagating fatigue crack at the fatigue limit, while the solution-treated steel did not. The high resistance to fatigue crack growth cannot only be attributed to an increase in hardness, but is also associated with heterogeneous hardness distribution. The effect of hardness heterogeneity was numerically supported by Dugdale model-based simulations.

AB - We investigated the fatigue properties and associated crack growth behaviors of as-hot-rolled and solution-treated Fe-30Mn-3Si-3Al twinning-induced plasticity (TWIP) steels. The as-hot-rolled TWIP steel showed a higher fatigue strength than that of the solution-treated steel. Moreover, the as-hot-rolled steel showed a non-propagating fatigue crack at the fatigue limit, while the solution-treated steel did not. The high resistance to fatigue crack growth cannot only be attributed to an increase in hardness, but is also associated with heterogeneous hardness distribution. The effect of hardness heterogeneity was numerically supported by Dugdale model-based simulations.

UR - http://www.scopus.com/inward/record.url?scp=85034734334&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85034734334&partnerID=8YFLogxK

U2 - 10.1016/j.ijfatigue.2017.11.009

DO - 10.1016/j.ijfatigue.2017.11.009

M3 - Article

AN - SCOPUS:85034734334

VL - 108

SP - 18

EP - 24

JO - International Journal of Fatigue

JF - International Journal of Fatigue

SN - 0142-1123

ER -