Published Resources Details

Journal Article

Author
Greenwood, J. Neill
Title
Recent advances in the knowledge of engineering materials
In
Commonwealth Engineer
Imprint
vol. 21, no. 1, Aug 1933, pp. 5-6
Abstract

This paper points out the importance of fatigue and corrosion fatigue in determining the strength of metals. It shows that the ultimate tensile strength is of little value in determining the safe load which a member of a machine or structure can bear, but the important factors are the stress reversals to which the member is likely to be subjected, and the physical and chemical environment in which it will be placed. A material having high ultimate strength may fail under quite low working stress when that stress is continually undergoing reversal, or when corrosive conditions are present, and thus factors of safety may be rendered futile. Another important matter discussed in the article is the question of creep in metals operating at elevated temperatures.

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