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<p>Functionally<?tk 4?> graded materials (FGMs) are a modern engineering material that allows for selective reinforcing for applications that demand high strength, modulus, and wear resistance. Because of their dimensional stability, low density, and machinability, alloys made of aluminum, magnesium, and zinc are suited for such types of investigations. This study uses gravity casting using Ag and lead foils as interface materials to study FGMs developed of Al7075, AZ91D, and ZnAl<sub>4</sub> alloys. A split die was used to make the samples, and their mechanical, microstructural, and machining characteristics were examined. According to the results, Al7075/AZ91D demonstrated the highest microhardness without an interface foil, which demonstrated the creation of intermetallic compounds. Additionally, the machining characteristics showed that ZnAl<sub>4</sub>/AZ91D had faster material removal rates and Al7075/AZ91D had lower electrode wear rates.</p>

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Study on Machining Capabilities of Mg/Zn and Mg/Al Functionally Graded Materials Fabricated Using Liquid Processing Route

  • 期刊论文

  • 发表日期：

    2025年10月9日

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  • B. Surekha,
  • Rishitosh Ranjan,
  • Surendra Kumar Ghadai,
  • Sambit Kumar Mohapatra,
  • T. Ravi Teja,
  • Priyaranjan Samal

摘要

Functionally graded materials (FGMs) are a modern engineering material that allows for selective reinforcing for applications that demand high strength, modulus, and wear resistance. Because of their dimensional stability, low density, and machinability, alloys made of aluminum, magnesium, and zinc are suited for such types of investigations. This study uses gravity casting using Ag and lead foils as interface materials to study FGMs developed of Al7075, AZ91D, and ZnAl4 alloys. A split die was used to make the samples, and their mechanical, microstructural, and machining characteristics were examined. According to the results, Al7075/AZ91D demonstrated the highest microhardness without an interface foil, which demonstrated the creation of intermetallic compounds. Additionally, the machining characteristics showed that ZnAl4/AZ91D had faster material removal rates and Al7075/AZ91D had lower electrode wear rates.