Researchers at the U.S. Naval Research Laboratory have hit a new low—while their previous work with environmentally controlled pressure assisted sintering achieved grain sizes as small as 28 nm, they now report grain sizes of just 3.6 nm.
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Researchers at San Diego State University have developed a flash spark plasma sintering technique that can densify all kinds of materials, regardless of their electrical conductivity, in a matter of just seconds.
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Scientists at the University of California, San Diego have developed a method called water-assisted flash sintering that can densify powders to 98% of theoretical density in just 30 seconds. Their method takes place at room temperature and requires no external heating.
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By further understanding the dependence between densification and grain growth, a University of California Davis team of researchers has devised a new process to fabricate fully dense ceramic parts with virtually no grain growth.
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Researchers at San Diego State University now report that they have developed an ultra-rapid method of flash spark plasma sintering, called flash hot pressing, that can really quickly densify even hard-to-deform materials such as silicon carbide.
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Researchers from Murdoch University in Australia show that hydroxyapatite pellets, sintered at just the right temperature to get a balance between porosity and strength, can be a suitable material for bone implants.
Read More“Densification and Characterization of β-Spodumene-Cordierite Compositions”The presence of β-spodumene in β-spodumene-α-cordierite composites significantly decreased the composites’ mechanical strength and coefficient of thermal expansion.S. M. Naga, A. A. El-Maghraby and H.…
Read More“Chemical Resistance of Non-Lead Phosphate Sealing Glass”A non-lead phosphate sealing glass with high chemical durability, high thermal expansion coefficient and low softening temperature has been developed.Liang Wen and Cheng Jijian…
Read More“Gel-Bonded Alumina-Silicon Carbide-Carbon-Based Blast-Furnace Trough Castable”Incorporation of an organic fiber improved the densification, strength, corrosion and penetration properties, under dried and fired conditions, of gel-bonded Al2O3-SiC-C-based castables that included a…
Read More“Densification and Grain Growth of Microwave-Sintered Zinc Oxide Varistors”Microwave sintering of ZnO varistor materials can be accomplished at lower temperatures and can decrease grain growth, when compared with conventional sintering…
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