Design Aspects of Additive Manufacturing at Microscale: A Review

Area of Science:

• Materials Science
• Engineering
• Manufacturing Technology

Background:

• Additive manufacturing (AM) has evolved over three decades, with microscale AM emerging as a rapidly advancing research area.
• Significant progress in microscale AM processes and applications has been achieved, yet practical implementation faces hurdles.

Purpose of the Study:

• To review current microscale AM processes, materials, and applications.
• To identify future research needs in microscale AM.
• To discuss the necessity of specialized design methodologies for microscale fabrication.

Main Methods:

• Literature review of microscale additive manufacturing technologies.
• Analysis of design constraints and limitations at the microscale.
• Comparative assessment of processes and materials for microscale AM.

Main Results:

• Microscale AM technologies present unique challenges in design, materials, and fabrication of 3D structures.
• Existing AM limitations at the microscale necessitate tailored design approaches.
• Selection of appropriate processes and materials is crucial for successful microscale AM.

Conclusions:

• Further research is needed to address the limitations of microscale AM.
• Development and implementation of specialized design methodologies are essential for advancing microscale AM.
• Bridging the gap between microscale AM capabilities and application requirements is critical.