By varying the density of a 3D part, many valuable and unique components may be made for a plethora of applications. Building lighter weight components for an automobile or airplane helps reduce their weight and hence increase their fuel efficiency. Complicated catalytic systems may be printed in one piece, with various materials and various densities (porosities) to enable more efficient chemical reactions. Piezoelectric sensors and actuators for which varying density is crucial may be made in one piece resulting in greater and more accurate sensitivity. Replacement biodegradable implants with different porosities at the bone interface end and tendon interface end may be create which will promote improved healing.
Researchers at the University of Waterloo have developed a novel additive manufacturing technology to realize the fabrication of complex-shaped parts created using a variety of materials (including metals and ceramics). The porosity of these parts may be varied throughout the entire structure.
Our invention allows us to integrate multiple materials during the fabrication process. The workstations includes several novel sub-systems that produce controlled feature sizes in the range of 100-500µm, allowing for interconnected networks of channels while avoiding loose powder material from being trapped inside larger-sized parts. Active control of process parameters is one of the other important features of the system.
Advantages
The unique features of this layered fabrication system have opened up new avenues for researchers in the fields of lighter weight parts, unique catalyst design, porous piezoelectric devices, and variable density bone replacement implants.
Potential applications
Patent status
Patent issued
Stage of development
Fully functioning prototype
Ongoing research collaboration with Mount Sinai Hospital of Toronto
The University of Waterloo, renowned for its innovative spirit and co-op education model, excels in cutting-edge research across diverse fields, including advanced manufacturing, artificial intelligence, sustainability, and health technologies.
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