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Abstract <p>Zinc-based coatings are the most common type of protective coating in industry. The corrosion resistance of coatings directly depends on their quality, however, in some cases, a decrease in performance properties is observed even with satisfactory external conditions. This phenomenon is associated with coating microdefects, making their identification and study a pressing issue. Using electron microscopic analysis methods, defects such as delamination, buildups, pores, microcracks, accumulation of Al–Zn–Fe intermetallic particles, and stringy oxide inclusions on the surface were identified in a model Zn–1.5Al coating.</p>

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Investigation of Microdefects in Hot-Dip Galvanized Zn–1.5Al Coatings

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • V. V. Yurov,
  • I. A. Tsyganov,
  • T. V. Redichkina,
  • D. I. Shatalov

摘要

Abstract

Zinc-based coatings are the most common type of protective coating in industry. The corrosion resistance of coatings directly depends on their quality, however, in some cases, a decrease in performance properties is observed even with satisfactory external conditions. This phenomenon is associated with coating microdefects, making their identification and study a pressing issue. Using electron microscopic analysis methods, defects such as delamination, buildups, pores, microcracks, accumulation of Al–Zn–Fe intermetallic particles, and stringy oxide inclusions on the surface were identified in a model Zn–1.5Al coating.