Welding copper on a milling machine: study maps friction stir welding parameters
A new study reports that welding speed governs tensile strength while tool geometry governs hardness in friction stir welded copper ...
Tag: grain refinement
Cryogenic friction stir processing refines AA6xxx aluminum sheet grains and particles
Cryogenic-temperature friction stir processing at 600 RPM with liquid nitrogen cooling refined AA6xxx aluminum sheet grains to about 1.6–1.8 micrometers ...
Friction Stir Processing Refines AZ41 Magnesium Alloy Grains and Slows Biocorrosion in Simulated Body Fluid
Friction stir processing with a larger pin and smaller shoulder refined grains in AZ41 magnesium alloy and produced the highest ...
Trace Elements Could Unlock Stronger Gold Without Sacrificing Its Superpowers
A new review argues that adding trace elements below 0.5 weight percent can strengthen gold through coupled precipitation, grain boundary ...
Hot Rolling and Aging Boost Strength of Rare-Earth Magnesium Alloy
Hot rolling with up to 75% reduction followed by peak aging raised the yield strength of an Mg-Gd-Y-Zr alloy to ...
Si3N4 Content Altered Laser-Clad Coating Performance on TC4 Titanium
Laboratory tests found that Si3N4-containing laser-clad composite coatings on TC4 titanium alloy had greater hardness, lower wear rates and better ...
Ultrafine titanium retains ductility through a slip-system transition
A study of 530-nanometre commercially pure titanium found a yield strength of about 510 MPa and roughly 13% uniform elongation, ...
Silver content and initial structure shape hardening in high-pressure-torsion CuAg cast alloys
An experimental study of four copper-silver cast alloys found that silver content and the starting phase arrangement strongly influenced how ...
Pb-Sn alloy reaches 10,180% superplastic elongation after tube high-pressure shearing
An experimental study reported 10,180% superplastic elongation in a hypoeutectic Pb-40 wt% Sn alloy processed by tube high-pressure shearing.
Nitrogen-Containing High-Entropy Alloy Reveals Temperature-Shaped Microstructural Recovery
Compression tests of an as-cast nitrogen-containing Fe–Mn–Co–Cr high-entropy alloy reveal that dynamic recovery, continuous recrystallization and grain refinement shift substantially ...
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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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