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Joe Turner holds a 3D printed railcar bearing.
Turner group uncovers ways to improve railcar roller bearing safety, strength

Joseph Turner, Robert W. Brightfelt Professor of Mechanical Engineering, said the first-ever 3D-printed rollers for railroad bearings exceeded expectations, creating a starting point for expanding the use of this innovative process that could help to make transportation even safer. Their results were compiled into a paper — “Fatigue Performance of Bearing Rollers Manufactured by Laser Powder Bed Fusion” — that was published in the ASTM Special Technical Publication on Bearing and Transmission Steels Technology. (4/23/24)

Abdelghani Laraoui in his lab.
Nebraska-developed quantum sensing technique could facilitate advances in multiple fields

Two papers recently published outline how research teams in Abdelghani Laraoui's lab are using a quantum sensing technique his lab developed that could lead to significant breakthroughs in data transport technologies and disease treatment. The first paper, “Mapping of Spin-Wave Transport in Thulium Iron Garnet Thin Films Using Diamond Quantum Microscopy,” was published in Advanced Electronic Materials and shows how the team made the first documented measurements of how surface spin waves propagate in thin films of thulium iron garnet (TmIG). The second paper, "Nitrogen-Vacancy Magnetic Relaxometry of Nanocluster Cytochrome C Proteins," published in Nano Letters, shows how researchers used the nitrogen-vacancy layer as a quantum sensor to more accurately assess the performance of cytochrome C (Cyt-C) nanoclusters, which are water-soluble proteins that play a vital role in electron transport chains of mitochondria. (3/12/24)

Diagram showing that by combining Al and Ni, then adding electrical and mechanical stimuli can produce ignition.
Unlocking the Future of Ammunition: Ordinal Munitions Technologies Embarks on a Lead-Free Revolution

The Wichita-based startup Ordinal Munitions Technologies has completed its initial research phase in its quest for a lead-free alternative to ammunition primers. Utilizing the magnetron sputtering capabilities at the NNCI: Nebraska Nanoscale Facility (NNF), the company has successfully synthesized ignitable nanomaterials, which will be used for future characterization and testing. This initial research has laid the foundation for an upcoming submission of an NSF Small Business Innovation Research (SBIR) Phase I proposal, scheduled later this year. The company's founders share an unwavering belief in the transformative potential of nanomaterials for combustion applications in both the civilian and military markets. (3/6/24)