Abstract
IN a paper read to the Société d'Encouragement pour l'Industrie National, MM. Guillet and Bernard discuss the various methods employed when it is desired to case-harden steel objects in certain parts only. The methods used are:—
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Local Case-Hardening of Steel 1 . Nature 94, 99 (1914). https://doi.org/10.1038/094099b0
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DOI: https://doi.org/10.1038/094099b0