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November 11, 2025Advanced Engineering Materials

Wire‐Laser‐Directed Energy Deposition of Ti‐6Al‐4V Alloy Under Vacuum: Effect of Substrate Preheating on the Refinement of Prior‐β Grain Structure

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Authors

HDHaneen DaoudAKAgata KuligKSKim Schmidt

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Overview

Experimental analysis demonstrates enhanced tensile strength and elongation in Ti‐6Al‐4V, indicating substrate preheating improves grain refinement.

Key Points

  • Tensile strength reached 1010 MPa with 3% elongation at room temperature in specimens with substrate preheating.
  • Microstructure analysis of as-deposited specimens showed a heterogeneous structure with α′‐martensite.
  • Observational analysis using scanning electron microscopy and X-ray diffraction revealed grain structure transitions under preheating conditions.
  • Indicates potential for improved mechanical properties through careful control of substrate preparation.

Cite This Study

Daoud et al. (2025) studied this question.

synapsesocial.com/papers/69252e9ec0ce034ddc3565b3https://doi.org/10.1002/adem.202502223
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