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<p>The tribocorrosion behavior of AISI 304 austenitic stainless steel in 0.5&#xa0;mol/L H<sub>2</sub>SO<sub>4</sub> solution was investigated focused on the effects of different friction materials. The result shows that PEEK causes less damage to AISI 304, showing micro-cutting, micro-furrow and micro-peeling. The damage caused by Al<sub>2</sub>O<sub>3</sub> is serious, mainly exhibiting plastic deformation, furrow and spalling. Defects induced by wear all accelerate corrosion behavior. The adsorption of H atoms deteriorates the surface mechanical properties of AISI 304, which is detrimental to the wear resistance. During tribocorrosion, wear causes AISI 304 surface damage, subsurface grain refinement and increased GND density, which in turn accelerates corrosion. The synergism between corrosion and wear is obvious in the damage process, in which the wear part plays a dominant role.</p>

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Tribocorrosion Behavior of AISI 304 Stainless Steels for Different Friction Pairs in 0.5 mol/L H2SO4

  • 期刊论文

  • 发表日期：

    2026年7月27日

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  • Zhixin Dai,
  • Shengli Jiang,
  • Xiaoguang Yang,
  • Bi Wu,
  • Shu Li,
  • Deli Duan

摘要

The tribocorrosion behavior of AISI 304 austenitic stainless steel in 0.5 mol/L H2SO4 solution was investigated focused on the effects of different friction materials. The result shows that PEEK causes less damage to AISI 304, showing micro-cutting, micro-furrow and micro-peeling. The damage caused by Al2O3 is serious, mainly exhibiting plastic deformation, furrow and spalling. Defects induced by wear all accelerate corrosion behavior. The adsorption of H atoms deteriorates the surface mechanical properties of AISI 304, which is detrimental to the wear resistance. During tribocorrosion, wear causes AISI 304 surface damage, subsurface grain refinement and increased GND density, which in turn accelerates corrosion. The synergism between corrosion and wear is obvious in the damage process, in which the wear part plays a dominant role.