Welding, Joining and Additive Manufacturing: Experiments, Materials and Modelling

Dear Colleagues,

The welding and joining of materials from the perspective of newly developed materials, dissimilar and/or different geometric configurations, the use of third materials and at a reduced scale compared to conventional joining technology is always challenging task. The principle of material deposition in welding technology, extending to layer-by-layer deposition in additive manufacturing by a controlled laser source, is being explored in new manufacturing sectors. Several precision manufacturing technologies in the frame of additive manufacturing or 3D printing are currently in high industrial demand, and are subjects of intense research and development. Although there are huge challenges for the development of joining technologies for newly developed materials or the precision manufacturing of complex components in single manufacturing cycles, the industry is growing towards the miniaturization of the components. Hence, the joining or manufacturing of components without any metallurgical issues, process defects and adequate surface finish are critically important for product development. The requirement of the minimal wastage of raw materials, environment-friendly technology and optimum utilization of resources is the current demand towards the development of green manufacturing industry.

This Special Issue covers the most significant findings in the new or incremental development of laser-based fusion welding, solid-state bonding, brazing/soldering technologies, joining of difficult-to-weld materials, microscale joining, and technological advances of additive manufacturing processes. The development of technology with the aid of mathematical modelling or numerical simulation is a well-accepted area. The processing of materials includes both metallic and non-metallic components, as well as advanced materials like biomaterials, electronic materials, composites, shape-memory alloys, glasses and other transparent materials. The development of competitive manufacturing technologies enforcing ecofriendliness in laser-based joining and additive manufacturing processes is one of the main foci of this Special Issue.

Prof. Dr. Swarup Bag
Dr. Christ Prakash Paul
Guest Editors

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