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March 7, 2026Journal of Advanced Manufacturing Systems

Study of Surface Characteristics of Additively Manufactured γ-TiAl Intermetallic Alloy Processed by Wire Electro-Discharge Machining (WEDM) for Aerospace Applications

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Authors

KMK. MishraSMSibabrata MondalMDMitun Das

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Overview

Experimental analysis reveals optimized machining parameters improve surface quality in titanium alloys, suggesting advancements for aerospace applications.

Key Points

  • This research aims to analyze the surface characteristics and machining capability of γ-TiAl alloys processed by WEDM.
  • Experimental analysis of Ti-48Al-2Cr-2Nb alloy post-processed by WEDM.
  • Utilization of Grey-Taguchi method for parameter optimization and orthogonal array design.
  • Application of regression analysis for predictive modeling of surface quality.
  • Conducting ANOVA to evaluate statistical significance of process parameters.
  • Pulse-on time significantly impacts surface quality, followed by servo voltage and wire feed.
  • Under optimized conditions, achieved surface roughness of 1.90 µm and flatness of 0.001 µm.
  • Predictive model for surface roughness aligns closely with experimental findings, exhibiting low prediction error (0.5%-10%).
  • SEM and EDX analyses indicate that machining parameters influence microhardness, white layers, and microcracks.

Cite This Study

Mishra et al. (2026) studied this question.

synapsesocial.com/papers/69abc1e85af8044f7a4eb075https://doi.org/10.1142/s0219686727500533
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