Fabrication of defect-free 3D bimetallic composites with transverse chemical gradients through a novel metal additive manufacturing technique using powder sheets

Key Points

• Defect-free 3D bimetallic composites were successfully achieved, enhancing material properties.
• Key evidence includes a novel method which effectively utilizes powder sheets for fabrication.
• This approach employs a unique metal additive manufacturing technique to create chemical gradients.
• The findings may enable advancements in material science, but further investigation is necessary for practical applications.