The book "Development of Hybrid Composite Materials & Joining Techniques" offers a comprehensive examination of the development and application of hybrid composite materials, particularly in the fields of automotive and aerospace engineering. In light of the growing demand for advanced composites that provide an optimal weight-to-strength ratio, the work highlights innovative approaches to improving structural performance and reducing fuel consumption and emissions. The authors analyze the effects of surface modifications on metal surfaces on the adhesion strength between metallic and polymer components in laminate structures. Through experimental studies that investigate various pressure conditions and blasting media, a deeper understanding of optimizing adhesion in hybrid composites is conveyed.