New research from the U.S. Department of Energy’s (DOE) Argonne National Laboratory and Stanford University has found that palladium nanoparticles can repair atomic dislocations in their crystal ...
RAILWAY AGE, JANUARY 2022 ISSUE: Dangerous fatigue cracks develop in sound steel. Here’s how. Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic that ...
Materials can deform plastically by atomic-scale line defects called dislocations. Many technical applications are based on this fundamental process, such as forging, but we also rely on the power of ...
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An unexpected connection between the equations for crystalline lattice defects and electromagnetism
A fundamental goal of physics is to explain the broadest range of phenomena with the fewest underlying principles. Remarkably ...
Researchers show that Cartan's First Structure Equation, which relates to edge and screw dislocations in crystal lattices, can be recast in the same form as a basic mathematical formula that governs ...
Our bodies have a remarkable ability to heal from broken ankles or dislocated wrists. Now, a new study has shown that some nanoparticles can also “self-heal” after experiencing intense strain, once ...
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Metals’ Hidden Atomic Order Unveiled
Breaking the long-standing assumption that intense deformation and mixing in metal processing fully randomize atomic arrangements, MIT scientists have demonstrated that metals retain subtle but stable ...
Understanding how dislocations (line defects in the crystal structure) occur when 3D-printing metals has been unclear to materials scientists. Understanding when and how dislocations form in ...
Researchers at Osaka University demonstrate a connection between the equations for the strain created by atomic dislocations in a crystalline material and a well-known formula from electromagnetism, ...
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