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August 2, 2026Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications

Fatigue and fracture analysis of Laser powder bed fusion stainless steel alloys: Influence of powder preparation, melt pool geometry, and scanning strategies – A review

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Authors

RNR NandhakumarVellore Institute of Technology UniversityKVK. VenkatesanVellore Institute of Technology University

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Implication

Review evaluates fatigue and fracture behavior of stainless steels in additive manufacturing, suggesting improvements for reliability.

Key Points

  • The review aims to evaluate the factors influencing fatigue and fracture behavior in stainless steel alloys produced by LPBF.
  • Comprehensive review of recent research studies on LPBF stainless steels.
  • Focus on melt pool characteristics, scanning strategies, and process parameters.
  • Analysis of how defect formation and microstructural evolution affect fatigue performance.
  • Fatigue crack growth rates range from 10−6 to 10−8 mm per cycle depending on processing conditions.
  • Identifies the role of powder morphology in defect formation and the importance of melt pool stability.
  • Highlights knowledge gaps and suggests future research for predictive fatigue life models.

Cite This Study

Nandhakumar et al. (2026) studied this question.

synapsesocial.com/papers/6a6eeb4d1b0468a7eeab46c4https://doi.org/10.1177/14644207261470028
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  3. 3Effect of Laser Speed and Hatch Spacing on the Corrosion Behavior of 316L Stainless Steel Produced by Selective Laser Melting2022 · 30 citations