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January 23, 2026Fatigue & Fracture of Engineering Materials & Structures

DIC‐Based Studies on the Crack Growth Behavior of TA15 Titanium Alloy Repaired by Laser Deposition

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Authors

SZSong ZhouZWZixuan WangHYHongyuan Yu

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Overview

DIC explores fatigue crack growth behavior in TA15 alloy repaired by laser, indicating improved repair outcomes.

Key Points

  • This research aims to understand the fatigue crack growth behavior in TA15 titanium alloy after laser deposition repair.
  • Applied digital image correlation for analyzing crack growth behavior.
  • Compared crack growth in repaired zone and substrate zone of the titanium alloy.
  • Measured crack tip strain and displacement at various crack lengths.
  • Repaired zone shows a lower fatigue crack growth rate compared to the substrate zone.
  • Increased crack tip strain is observed with longer cracks, especially in the repaired zone.
  • Greater plastic accumulation in the substrate correlates with its quicker crack growth.

Cite This Study

Zhou et al. (2026) studied this question.

synapsesocial.com/papers/69730f59c8125b09b0d1f269https://doi.org/10.1111/ffe.70181
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