Low cycle fatigue behavior of AZ31B extrusion at elevated temperatures
Source abstract
Abstract
Abstract Fully-reversed strain-controlled tests have been performed on AZ31B magnesium alloy extrusion at room temperature, 100 °C, and 200 °C. Different fatigue life prediction models including Coffin-Manson-Basquin, Smith-Watson-Topper, and Jahed-Varvani were applied to predict the fatigue life. According to the shape of the hysteresis loops at half-life, by increasing the test temperature to 200 °C, the asymmetric behavior of the magnesium changed to a symmetric shape. No inflection point can be observed in the loops at 200 °C, the mean stress decreases dramatically, and the cyclic softening occurs. Among different models, Jahed-Varvani as an energy-based approach offers the most promising predictions at all the temperatures.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Magnesium Alloys: Properties and Applications · Aluminum Alloys Composites Properties · Aluminum Alloy Microstructure Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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