Engineers have shed new light on a scientific mystery regarding the atomic-level mechanism of the sulfur embrittlement of nickel, a classic problem that has puzzled the scientific community for nearly a century. The discovery also enriches fundamental understanding of general grain boundaries that often control the mechanical and physical properties of polycrystalline materials.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2018/07/180717125653.htm
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