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With AM, as with any other exponential technologies, it’s very hard to make a sound prediction on its future development, even in the next 5 years. However, there are clear indications that certain roadblocks will most likely be surpassed. Industrial settings will see reliable and large-scale AM technologies being pushed to the high standards required to being widely adopted. New materials with exciting properties will enable new, unthought of applications and provide sustainable new ways to drive AM production forward. All the while, new engines with record number of AM parts will keep being produced and new crucial precedents will be set for future developments to build upon.
HUST Researchers Iron Out Cracks Of 3D Printed Bulk Metallic Glass
A team of researchers led by Professor Ning Li at the Huazhong University of Science and Technology (HUST), China, have discovered a way to scale-up 3D printing of bulk metallic glass (BMG). With a unique atomic structure, BMG alloys are highly resistant to wear and corrosion while maintaining the melted malleability of glass. However, micro-cracks that occur during 3D printing present a severe disadvantage to BMG utility. At HUST, Professor Li, Jianji Zhang, Wei Xing, Di Ouyang and Lin Liu have developed composite iron and iron-nickle BMG alloys that suppress these deal-breaking micro-cracks, with findings that provide general guidelines for processing BMGs via selective laser melting (SLM).
Read more about the study here.
Empa Cellulose 3D Printing Advances Yield Guidelines For Composite Material Tuning
A group at the Swiss Federal Laboratories for Materials Science and Technology, Empa, is investigating ways to 3D print cellulose. As the most abundant organic polymer in the world, the material is sustainable, and biocompatible, presenting great potential for medical research. Recent progress made at Empa demonstrates how to 3D print cellulose nanocrystals (CNCs) as a material reinforcement. Experimentation also shows how to tune the orientations of these CNC “building blocks” to achieve different properties in a finished object.
Read the full article here.
Sunconomy To Develop 3D Printed Concrete Homes in Texas
Sunconomy, a U.S. construction company, has received permits to build its first 3D printed geopolymer additively manufactured house in Lago Vista, Texas.
Larry Haines, the founder of Sunconomy, stated, “We will be able to build the structure for a single family house in a day with virtually no waste, and built super strong and providing very low utility costs. Now that’s Sustainable!”
Read more here.
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