Evaluation of Corrosion Characteristics of Zn-Al and Zn Arc Thermal Spray Coatings Using Atmospheric Exposure Tests

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Bibliographic Information

Other Title
  • 大気暴露試験を用いたZn-Al溶射およびZn溶射の腐食特性評価
  • タイキ バクロ シケン オ モチイタ Zn-Al ヨウシャ オヨビ Zn ヨウシャ ノ フショク トクセイ ヒョウカ
Published
2026-01-10
DOI
  • 10.3323/jcorr.75.14
Publisher
Japan Society of Corrosion Engineering

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Description

<p>In this study, atmospheric exposure tests were conducted using Zn-Al arc thermal spray coatings, Zn arc thermal spray coatings, and hot-dip Zn coatings at two locations: the Kibana Campus and the Nobeoka Field of the University of Miyazaki. The corrosion characteristics of each coating were compared by surface observation, film thickness measurement, XRD and SEM/EDX analysis, from the viewpoint of differences in composition. As a result, no significant corrosion was observed in the Zn-Al arc thermal spray specimens even after two years of atmospheric exposure test, while corrosion product deposition was observed in the Zn arc thermal spray and hot-dip Zn specimens.</p>

Journal

  • Corrosion Engineering

    Corrosion Engineering 75 (1), 14-22, 2026-01-10

    Japan Society of Corrosion Engineering

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