News tagged with indentation strength

Scientists Discover Material Harder Than Diamond

(PhysOrg.com) -- Currently, diamond is regarded to be the hardest known material in the world. But by considering large compressive pressures under indenters, scientists have calculated that a material called ...

Physics / Condensed Matter

created Feb 12, 2009 | popularity 4.5 / 5 (62) | comments 28




Search results for indentation strength


Superhard carbon material could crack diamond

(PhysOrg.com) -- By applying extreme pressure to compress and flatten carbon nanotubes, scientists have discovered that they can create a new carbon polymer that simulations show is hard enough to crack diamond. ...

Nanotechnology / Nanomaterials

created Dec 07, 2011 | popularity 4.7 / 5 (27) | comments 8 | with audio podcast feature

Researchers butter up the old 'scratch test' to make it tough

It might not seem like scraping the top of a cold stick of butter with a knife could be a scientific test, but engineers at MIT say the process is very similar to the "scratch test," which is perhaps the oldest ...

Physics / Condensed Matter

created May 26, 2011 | popularity 4 / 5 (3) | comments 0 | with audio podcast

Biomimetic patch to be tested on tricky tendon-to-bone repairs

Two Washington University in St. Louis scientists are imitating nature as they attempt to solve one of the most difficult problems in orthopedic surgery: reattaching tendon to bone.

Medicine & Health / Medical research

created Feb 28, 2011 | popularity not rated yet | comments 0

MIT slows concrete creep to a crawl

MIT civil engineers have for the first time identified what causes the most frequently used building material on earth — concrete — to gradually deform, decreasing its durability and shortening the lifespan of infrastructures ...

Technology / Engineering

created Jun 16, 2009 | popularity 4.9 / 5 (12) | comments 3

Cracking a Tough Nut for the Semiconductor Industry

(PhysOrg.com) -- Researchers at the National Institute of Standards and Technology have developed a method to measure the toughness -- the resistance to fracture -- of the thin insulating films that play a ...

Nanotechnology / Nanophysics

created Dec 23, 2008 | popularity 4 / 5 (7) | comments 0

Nanoscale coating protect products -- and the economy

Put steel under a powerful microscope, revealing its microstructure, and prepare to be surprised. Known for its strength, the metal will appear pitted and pocked.

Nanotechnology / Nanomaterials

created Oct 20, 2008 | popularity 4.6 / 5 (17) | comments 0

Job-Related Stress: NIST Demonstrates Fatigue Effects in Silicon

Researchers at the National Institute of Standards and Technology have demonstrated a mechanical fatigue process that eventually leads to cracks and breakdown in bulk silicon crystals—a phenomenon that’s particularly ...

Physics / General Physics

created Nov 27, 2007 | popularity 4 / 5 (6) | comments 0

Scientists Create First Non-Carbon Material with Near-Diamond Hardness

Research scientists have created the first non-carbon-based material with a hardness approaching that of diamond. Their work could have a significant impact on technologies and industries that rely on diamond as a cutting ...

Nanotechnology / Nanomaterials

created Mar 28, 2007 | popularity 4.5 / 5 (76) | comments 0 feature

Nanoengineered concrete could cut CO2 emissions

While government leaders argue about the practicality of reducing world emissions of carbon dioxide, scientists and engineers are seeking ways to make it happen.

Nanotechnology / Nanomaterials

created Jan 29, 2007 | popularity 4.3 / 5 (34) | comments 0

A new window into the deformation of nanoscale materials

Materials on the nanoscale don't always have the same properties they would in bulk; for one thing, nanomaterials are often a lot harder. Unlike most bulk materials, a crystal that is small enough can be perfect, ...

Nanotechnology / Nanomaterials

created Aug 13, 2006 | popularity 4.1 / 5 (15) | comments 0


List of search results for indentation strength