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Alloys, Volume 4, Issue 1

March 2025 - 4 articles

Cover Story: For additive manufactured parts, it is important to measure homogeneity and demonstrate that representative parts can be printed more efficiently while maintaining key mechanical properties. In this work, a multiscale characterization of the microstructural and mechanical properties of a range of powder bed fusion–laser beam (PBF-LB)-manufactured Scalmalloy was conducted to gain a more thorough understanding for the future optimization of processing parameters. The relationship between the microstructure—including porosity, grain structure, and precipitates—and mechanical properties is investigated. The stress-relieved samples were characterized mainly using the scanning electron microscopy (SEM) suite, uniaxial tensile tests, and nanoindentation. The results show the multiple strengthening mechanisms present within Scalmalloy. View this paper
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Articles (4)

  • Article
  • Open Access
1,575 Views
12 Pages

14 March 2025

In this paper, TC4 titanium alloy pipes were achieved by continuous drive friction welding, metallographic microscope and microhardness tester were used to evaluate the microstructure and the hardness of the joints, and the effect of friction pressur...

  • Article
  • Open Access
13 Citations
1,863 Views
9 Pages

26 February 2025

Half-Heusler alloys are promising materials for thermoelectric applications, yet the impact of the compositional disorder on their lattice dynamics remains incompletely understood. This study investigates the effect of systematic Zr substitution on t...

  • Article
  • Open Access
2,369 Views
14 Pages

27 January 2025

This paper discusses the influence of the secondary processes of reaction product evaporation and the reduction of the effective diffusion area into the scale on the kinetics (change in sample mass–time) of the high-temperature oxidation proces...

  • Article
  • Open Access
1 Citations
2,308 Views
18 Pages

Effect of Microstructure on Multiscale Mechanical Properties of Scalmalloy Produced by Powder Bed Fusion-Laser Beam

  • Huixing (Hannah) Zhang,
  • Caitlin E. R. Green,
  • Maria J. Lodeiro,
  • Peter Woolliams,
  • Ken P. Mingard and
  • Antony T. Fry

30 December 2024

For additive manufactured parts, it is important to measure homogeneity and demonstrate representative parts can be printed faster while maintaining key mechanical properties. In this work, a multiscale characterization of microstructural and mechani...

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Alloys - ISSN 2674-063X