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<p>The microstructure and mechanical behavior of nickel-aluminum-bronze alloy manufactured from different routes, such as laser additive manufacturing, wire-arc additive manufacturing, and conventional casting, have been investigated. Microstructural characterization using scanning electron microscope (SEM) showed significant variation in the microstructure. A finer structure was observed in wire-arc additively manufactured samples compared to the as-cast samples. <i>κ</i><sub>I</sub> phase was not observed in additively manufactured samples. The highest tensile strength of 745&#xa0;MPa was observed for the laser additive sample.</p>

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On the Microstructure and Mechanical Behavior of As-Cast, Wire-Arc, and Laser Additively Manufactured Nickel-Aluminum-Bronze Alloy

  • 期刊论文

  • 发表日期：

    2025年5月28日

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  • M. K. Mishra,
  • A. G. Rao,
  • Abhishek Tripathi,
  • Daljeet Singh,
  • Rajiv Kumar

摘要

The microstructure and mechanical behavior of nickel-aluminum-bronze alloy manufactured from different routes, such as laser additive manufacturing, wire-arc additive manufacturing, and conventional casting, have been investigated. Microstructural characterization using scanning electron microscope (SEM) showed significant variation in the microstructure. A finer structure was observed in wire-arc additively manufactured samples compared to the as-cast samples. κI phase was not observed in additively manufactured samples. The highest tensile strength of 745 MPa was observed for the laser additive sample.