What is it about?
This paper deals with the size effects on the creep rupture of metallic specimens. A new approach, based on fractal geometry concepts, has been proposed to interpret the decrease in the creep strength of metallic specimens, due to an increase in the specimen size.
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Why is it important?
The proposed approach provides an application of the fractal geometry concepts, widely used in the framework of Linear Elastic Fracture Mechanics (LEFM), to the case of Time-dependent Fracture Mechanics (TDFM).
Perspectives
In the next future, it would be interesting to confirm the proposed approach by means of an extensive experimental campaign, in which creep rupture are carried out on metallic specimens of different size.
Alessio Rubino
Politecnico di Torino
Read the Original
This page is a summary of: Fractal scaling and specimen-size effects on creep resistance, Strength Fracture and Complexity, October 2020, IOS Press,
DOI: 10.3233/sfc-200259.
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