April 15, 2024Annual Review of Materials Research

Fatigue Crack Propagation Across the Multiple Length Scales of Technically Relevant Metallic Materials

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Authors

AHAnton Hohenwarter TLThomas Leitner RPReinhard Pıppan

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Overview

Review demonstrates how grain size variations alter crack propagation rates in ductile metals, highlighting microstructural mechanisms that govern material durability.

Key Points

Fatigue crack propagation rates and plastic zone sizes vary substantially across microstructural scales, shifting from the subnanometer to the micrometer regime in ductile metals.
Overview of microstructural length scales assesses grain size effects from millimeters to nanometers across pure iron, nickel, as well as austenitic steel and pearlitic alloys.
Highlights how tailoring microstructural grain size governs crack propagation rate mechanisms, which may enable optimized damage tolerance across advanced engineering alloys.

Cite This Study

Hohenwarter et al. (2024) studied this question.

synapsesocial.com/papers/68e6f04eb6db64358766b18b https://doi.org/10.1146/annurev-matsci-080222-101859

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April 15, 2024Annual Review of Materials Research

Fatigue Crack Propagation Across the Multiple Length Scales of Technically Relevant Metallic Materials

View Full Paper

Ask AI

Bookmark

Authors

AHAnton Hohenwarter TLThomas Leitner RPReinhard Pıppan

Discussion

Member takes

Overview

Review demonstrates how grain size variations alter crack propagation rates in ductile metals, highlighting microstructural mechanisms that govern material durability.

Key Points

Fatigue crack propagation rates and plastic zone sizes vary substantially across microstructural scales, shifting from the subnanometer to the micrometer regime in ductile metals.
Overview of microstructural length scales assesses grain size effects from millimeters to nanometers across pure iron, nickel, as well as austenitic steel and pearlitic alloys.
Highlights how tailoring microstructural grain size governs crack propagation rate mechanisms, which may enable optimized damage tolerance across advanced engineering alloys.

Cite This Study

Hohenwarter et al. (2024) studied this question.

synapsesocial.com/papers/68e6f04eb6db64358766b18b https://doi.org/10.1146/annurev-matsci-080222-101859

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