Steel is used to build cars, wind turbines and bridges and there are currently about 5000 different types of steel available on the market. But how can steel producers guarantee that a particular steel will always exhibit the same high quality? Up until now experienced experts analysed material samples under the microscope and carefully compared the results against reference images. But classifying materials in this way is not free from errors.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2018/02/180221122933.htm
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