Sequential immersion water cooling-induced grain refinement and mechanical enhancement in friction rolling additive manufacturing of Al-Zn-Mg-Cu alloy

Key Points

• Mechanical enhancement occurs due to sequential immersion water cooling techniques, improving material performance.
• Grain refinement is significantly achieved in Al-Zn-Mg-Cu alloy during friction rolling, leading to better structural integrity.
• The friction rolling process incorporates innovative water cooling methods to refine grain size effectively.
• Highlights the potential for improved manufacturing techniques in additive processes, aiding future engineering applications.