Abstract
The cyclic stress-strain (css) behaviour of the commercial age-hardenable aluminium alloy AlZnMgCu0.5 (7022) in three different precipitation states (precipitation-free, peak-aged and over-aged) was studied by means of single-, multiple-step and incremental step tests. The css-curves were evaluated and compared taking into account the test conditions. The results are explained and discussed in terms of the microstructural changes observed by TEM and through an analysis of the shape of the hysteresis loops with respect to Masing behaviour.
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© 1992 Elsevier Science Publishers Ltd
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Christ, HJ., Lades, K., Völkl, L., Mughrabi, H. (1992). The Role of Microstructural Processes in the Application of the Incremental Step Test to Determine the Cyclic Stress-Strain Curve of an Aluminium Alloy. In: Rie, KT., et al. Low Cycle Fatigue and Elasto-Plastic Behaviour of Materials—3. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2860-5_16
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DOI: https://doi.org/10.1007/978-94-011-2860-5_16
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