Voids and grain structure jointly weaken nanocrystalline steel in simulations
Simulations of 180 nanocrystalline Fe80Cr16Ni4 structures show voids cut hydrostatic strength by up to 34.8 percent, with grain-boundary voids and ...
Tag: laser powder bed fusion
Most LPBF machine checks are too slow and costly for routine production use
A review of 76 studies finds that only six validation approaches for laser powder bed fusion machines are both relevant ...
Hybrid LPBF-LDED printing of SS304 shows fine microstructure and corrosion trade-offs
A hybrid LPBF-LDED study of SS304 stainless steel found a fine as-deposited LPBF microstructure with superior corrosion resistance, while lack-of-fusion ...
The effect of interlayer thickness of niobium on the microstructure and mechanical properties of the interface in multimaterial additive manufacturing components made of NiTi-Ti6Al4V
A roughly 50-micrometre niobium interlayer formed a crack-free NiTi–Ti6Al4V interface under optimized test conditions, outperforming a three-layer design containing unmelted ...
3D-Printed Steel Gets Ductility Boost by Tweaking Grain Boundaries
A single annealing step transforms 3D-printed 316L stainless steel, raising twin boundary fractions above 55 percent and boosting elongation by ...
3D-printed high-entropy alloys are rewriting the rules of metal strength
A new review in Frontiers in Materials details how 3D-printing technologies are unlocking the extraordinary potential of high-entropy alloys, from ...
High-energy additive manufacturing pushes advanced materials into a new era
A new Frontiers in Materials research collection reveals how machine learning, melt pool physics, auxetic metamaterials, and nanometer-scale polishing are ...
Doubled build efficiency degrades toughness of laser-printed maraging stainless steel
Maraging stainless steels have quietly become one of the most important material stories of the additive manufacturing era. These iron-based ...
3D-Printed Reactor Parts Face a Harsh Reckoning Under Nuclear Irradiation
A sweeping new review finds that 3D-printed nuclear reactor components offer remarkable design freedom but face unresolved questions about thermal ...
Tiny Iron Dose Supercharges 3D-Printed Titanium Alloy for Aerospace
Adding 1.5 weight percent iron to 3D-printed Ti5553 titanium alloy nearly halves its columnar grain width and boosts strength to ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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