Publisher's Synopsis
Excerpt from Effect of Zinc Coatings on the Endurance Properties of Steel
The stresses applied to the acid pickled and the coated specimens were calculated on the diameter of the polished specimen before it was pickled or coated. The diameters were measured with a special micro meter capable of a precision of plus or minus inch. The change in diameter caused by either the acid treatment alone or the acid treatment and the application of the zinc coating was in all cases less than inch.
The tensile strengths of the three materials were determined on standard inch diameter test bars, heat treated in the same way as the endurance specimens. Hardness determinations were made on the ends of the tensile and endurance test bars.
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