Faster than a speeding bullet: A review on fiber reinforced UHTCMCs for hypersonic aircraft and more
Ultra-high temperature ceramic matrix composites could be used on some of the hottest portions of hypersonic aircraft if their brittleness is reduced. Research on using fibers to reinforce these materials increased greatly in the past decade, and a recent review article in an ACerS journal discusses the progress and challenges in this field.
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To improve ceramic devices, one factor ceramists and ceramic engineers consider is the strength of ceramic bonds. Two recent papers published in an ACerS journal explore ways to improve ceramic bonds in different applications.
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Metalenses, or flat surfaces that use nanostructures to focus light, are poised to revolutionize cameras, sensors, and displays—if the lenses can be mass produced. Researchers at the Harvard School of Engineering and Applied Sciences found deep-ultraviolet projection lithography can solve this production challenge.
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Additive manufacturing may be an easier way to manufacture cemented carbide parts. The U.S. Army Research Laboratory recently submitted a patent application for a selective laser melting process, and collaborations in industry and academia are investigating binder jetting as well.
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Decarbonizing manufacturing processes is a focus of the ceramic industry. In a recent paper, researchers performed a techno-economic analysis to show how the cold sintering process, a recently developed manufacturing technique, could help reach this goal.
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The 80th Conference on Glass Problems took place Oct. 28–31, 2019 in Columbus, Ohio. Speakers discussed the importance innovation and sustainability will play in the future of the glass industry.
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Dilatant fluids, commonly termed shear-thickening fluids, can complicate manufacturing by jamming pumping and mixing equipment. Cornell University researchers investigated softening dilatant fluids using ultrasonic waves to make them easier to handle.
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Thermal barrier coatings protect equipment against high temperatures in steel production. Researchers from Bartin University in Turkey found ferrochromium slag, a waste product from stainless steel production, could be used to create such coatings.
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Pencils are one of the most well-known applications of graphite, but do you know how pencils are created? Take a behind-the-scenes look at the pencil manufacturing process at Faber-Castell, one of the world’s largest and oldest manufacturers of pencils and office supplies.
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Welding ceramics traditionally requires high temperatures and long-term exposure. Researchers from the University of California, San Diego, and the University of California, Riverside, discovered ceramics can be welded at room temperature using ultrafast pulsed lasers.
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