Review on Additive Manufacturing of Multi-Material Parts: Progress and Challenges

This article reviews the latest progress and challenges in additive manufacturing of multi-material parts (MMAM). It summarizes key AM processes—such as material jetting, fused filament fabrication, and direct energy deposition—used for producing multi-material and functionally graded components. It also discusses material combinations, interface quality, gradient transitions, and application domains across biomedical, aerospace, automotive, and electronics industries.

Journal of Manufacturing and Materials Processing, 6(1), 4