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that toughness, 2

*
Fig. 10. — Right side of keyseat.
[cropped to clean ellipse]
illustrating Samuel L. Hoyt. “Static, dynamic, and notch toughness.” Transactions of the American Institution of Mining and Metallurgical Engineers 62 (1920) : 476-496
University of California copy, digitized October 31, 2012

—

...which show the extensions of two cracks leading from the angles of the keyseat...   pp 482-483
 

13 January 2015

tags:
metallurgy; toughness; rapture; rounds
S. L. Hoyt, “Static, dynamic, and notch toughness” (1920)