Abstract
INCLUSIONS and structural elements of metallographic specimens can be identified by examining the effect of various etching reagents. This method not only takes up a great deal of time, but also demands considerable experience on the part of the examiner.
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References
Bierbaum, ” The Microcharacter”, Trans. American Society for Steel Treating, 18, 1009 (1930). Gillet, ” Properties of Ferrite as Revealed by Scratch Hardness Tests”, Metals and Alloys, 5, 159 (1934).
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LIPS, E., SACK, J. A Hardness Tester for Microscopical Objects. Nature 138, 328–329 (1936). https://doi.org/10.1038/138328a0
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DOI: https://doi.org/10.1038/138328a0
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