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the slip-bands are now more distinct

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Plate 9, Fig. 10. Fatigue of Swedish iron by reversals of a stress of 12.4 tons per sq. inch. Magnification 1000 diameters.
after 2,000 reversals.
(cropped from border, squared)
illustrating J. A. Ewing (1855-1935 * ) and J. C. W. Humfrey. “The Fracture of Metals under Repeated Alterations of Stress.” Philosophical Transactions : Mathematical and physical sciences. Series A. 200 (1903) : 241-250, followed by four plates
Cornell copy, digitized August 20, 2013

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elsewhere. index. thumb.

epigram ex (and discussion at) p 246
 

8 November 2014

tags: gpoy; hands; lines; metallurgy; ruination
J. A. Ewing; J. C. W. Humfrey