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March 18, 2026MetalsOpen Access

Mechanical Behavior of Gradient-Structured Nano-Crystalline NiCoAl Alloy

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Authors

YZYina ZhengHYHuan YuWZWei Zhang

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Overview

Investigation reveals enhanced yield strength in gradient-structured NiCoAl alloy during deformation, suggesting improved alloy design strategies.

Key Points

  • The aim is to investigate the mechanical behavior of gradient-structured and coarse-grained NiCoAl alloys during tensile deformation.
  • Conducted molecular dynamics simulations to analyze mechanical behavior.
  • Examined the effects of alloy composition, specifically Ni60Co30Al10.
  • Compared coarse-grained with gradient-structured alloys with varying grain sizes.
  • Gradient structure yielded a strength of 1.8 GPa and flow stress of 3.35 GPa.
  • Increasing Al content decreased strength, Young's modulus, and work hardening.
  • Enhanced dislocation pinning and strain hardening observed in gradient-structured alloys.

Cite This Study

Zheng et al. (2026) studied this question.

synapsesocial.com/papers/69ba44154e9516ffd37a5fbahttps://doi.org/10.3390/met16030329
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