The corrosion resistance of titanium alloy poses a crucial challenge. significantly affecting its prospect for service and application. The present study aimed to investigate the corrosion resistance of Ti-6Al-4V ELI alloys with varying surface roughness in hydrofluoric acid solution. in order to assess the influence of roughness on their corrosion resistance performance. https://www.parisnaturalfoodes.shop/product-category/total-e/