News articles tagged with 'dislocation'
Researchers image atomic structural changes that control properties of sapphires
— 26 Nov 2010 19:31 | ChemistryMaterials scientists from Case Western Reserve University and the Institute of Solid State Research in Juelich, Germany have produced particularly clear changes in the atomic structure…
How strain at grain boundaries suppresses high-temperature superconductivity
— 18 Jun 2009 12:57 | TechnologyResearchers at the National Institute of Standards and Technology (NIST) have discovered that a reduction in mechanical strain at the boundaries of crystal grains can significantly…
Shoulder injuries in US high school athletes occur more often in boys
— 26 Jan 2009 14:50 | HealthAlthough shoulder injuries accounted for just 8 percent of all injuries sustained by high school athletes, shoulder injuries were relatively common in predominately male sports such…
Obese patients face increased risks for infection following revision hip surgery
— 9 May 2008 09:02 | HealthAlong with age and injuries, obesity is a leading risk factor for osteoarthritis (OA), a painful and disabling joint disease. While excessive weight can aggravate the toll on almost…
Spiraling nanotrees offer new twist on growth of nanowires
— 1 May 2008 18:00 | TechnologySince scientists first learned to make nanowires, the tiny wires just a few millionths of a centimetre thick have taken many forms, including nanobelts, nanocoils and nanoflowers…
Smaller is stronger, now scientists know why
— 2 Jan 2008 21:28 | PhysicsAs structures made of metal get smaller - as their dimensions approach the micrometre scale (millionths of a metre) or less - they get stronger. Scientists discovered this phenomenon…
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