This collection brings together engineers, scientists, scholars, and entrepreneurs to present their novel and innovative contributions in the domain specific to metal-matrix composites and on aspects specific to modeling, analysis, measurements, and observations specific to microstructural advances. Topics include but are not limited to:nbsp; Metals and metal-matrix compositesnbsp; Nano-metal based compositesnbsp; Intermetallic-based composites Contributions in the above topics connect to applications in industry-relevant areas: automotive, energy applications, aerospace, failure analysis, biomedical and healthcare, and heavy equipment and machinery.