Diagnosting of the Predestruction Condition of Metal Constructions Elements

Abstract:

Stability of the stress-strain state of structural steel, aluminum and copper alloys samples subjected to long-term (more than 5 years) static loads of various levels by X-ray diffractometry was established. The results of determining the state of pre-destruction from the change in the characteristics of the diffraction profile are described and discussed. It has been shown experimentally that the load-carrying capacity of metal constructions under static operating loads developing elastic stresses in the area of their concentration, within the limits up to σ = 0,4... 0,5σ_0.2, does not decrease.

• Periodical: Materials Science Forum (Volume 945)
• Pages: 963-968
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.945.963
• Online since: February 2019
• Authors: V.P. Gulyaev, P.P. Petrov
• Keywords: Aluminum, Copper, Predestruction, Steel, X-Ray Diffraction

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