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A Study on the Enhancement of Wear Resistance of Al7075-T6 Alloy by UNSM Technology

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  • 발행기관
    선문효정학술연구회 바로가기
  • 간행물
    선문효정학술연구회 학술대회 프로시딩 바로가기
  • 통권
    Proceedings of THE 5th INTERNATIONAL CONFERENCE OF HYOJEONG ACADEMY (2025.02)바로가기
  • 페이지
    pp.76-79
  • 저자
    Auezhan Amanov, Junhyong Kim, Inho Cho, Youngsik Pyun
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A489347

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원문정보

초록

영어
Al7075-T6 alloy, widely used in aerospace applications, is prized for its high strength-to-weight ratio but often requires enhanced surface properties to meet the demands of high-wear environments. This study investigates the enhancement of wear resistance in Al7075-T6 alloy through ultrasonic nanocrystal surface modification (UNSM), a surface engineering technique that refines the microstructure, increases hardness and induces compressive residual stresses. The treatment generates a nanocrystalline layer on the alloy surface, significantly improving hardness, reducing friction, and mitigating wear under dynamic loading conditions. Microstructural analysis revealed a substantial grain refinement, with average grain sizes reduced to the nanometer scale near the treated surface. Tribological testing demonstrated a notable reduction in wear rates and friction coefficients compared to untreated samples, underscoring the effectiveness of UNSM in improving wear performance. Additionally, the influence of key parameters, such as ultrasonic energy intensity, tool geometry, and process duration, was systematically evaluated to optimize the surface modification. This research highlights UNSM as a viable postprocessing technique for enhancing the durability and performance of Al7075-T6 alloy in wear-intensive applications, bridging the gap between material properties and the stringent requirements of advanced engineering systems.

목차

Abstract
1. Introduction
2. Materials and Methods
3. Results
4. Conclusions
References

키워드

Al7075-T6 alloy hardness roughness grain size friction wear resistance surface modification

저자

  • Auezhan Amanov [ Tampere University ] Corresponding Author
  • Junhyong Kim [ DesignMecha Co., Ltd. ]
  • Inho Cho [ DesignMecha Co., Ltd. ]
  • Youngsik Pyun [ DesignMecha Co., Ltd. ]

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    선문효정학술연구회 [Sun Moon Hyojeong Academy Society]
  • 설립연도
    2023
  • 분야
    복합학>학제간연구
  • 소개
    Journal of Hyojeong Academia aims to serve as a global platform where researchers and scholars of various disciplines can contribute ideas for our sustainable global community of Co‐existence, Co‐prosperity, and Co‐righteousness. The journal is a multidisciplinary, open‐access, internationally peer‐reviewed academic journal, and it invites all areas of research conducted in the spirit of post materialism including studies centering on God, studies unifying religions and sciences, and studies on all aspects of Co‐existence, Co‐prosperity, and Co‐righteousness.

간행물

  • 간행물명
    선문효정학술연구회 학술대회 프로시딩
  • 간기
    반년간
  • 수록기간
    2023~2026
  • 십진분류
    KDC 238 DDC 289

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