Lack of Damage After Secondary Impacts Surprises Researchers

When a material is subjected to a shock or blast wave, damage often forms internally through spall fracture, and research is needed to know how these damaged materials respond to subsequent shock waves. Recent experimentation on spall fracture in metals found that, in certain cases, there was an almost complete lack of damage with only a thin band of altered microstructure observed. In the Journal of Applied Physics, researchers narrowed down exactly why the expected damage was missing.

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From innovation to industry

A recently signed New Mexico law enables Sandia and Los Alamos national laboratories to assist in turning transferred technology into viable products and services, which could boost innovation and create jobs, according to Sandia business development experts.

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Supercomputers Pave the Way for New Machine Learning Approach

Researchers have developed a machine learning approach called transfer learning that lets them model novel materials by learning from data collected about millions of other compounds. The new approach can be applied to new molecules in milliseconds, enabling research into a far greater number of compounds over much longer timescales.

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