Effect of Fe-Content on the Mechanical Properties of Recycled Al Alloys during Hot Compression
Abstract
:1. Introduction
2. Materials and Methods
3. Results
3.1. Flow Curves
3.2. Strain Rate Sensitivity
3.3. Activation Energy for Dynamic Recrystallization and Peak Stress Model
3.3.1. Governing Equations
3.3.2. Identification of Parameters
4. Discussion
5. Conclusions
Supplementary Materials
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Si | Mg | Fe | Mn | Al |
---|---|---|---|---|
1.05 | 0.54 | 0.10 | 0.069 | Balance |
0.97 | 0.56 | 0.50 | 0.071 | Balance |
Al Alloys | m | β | α | n | Q [kJ mol−1] | A |
---|---|---|---|---|---|---|
0.1 Fe 1 | 11.02 | 0.1963 | 0.01781 | 8.760 | 140.5 | 3.550 × 109 |
0.5 Fe 1 | 9.452 | 0.2013 | 0.02130 | 8.030 | 154.5 | 2.569 × 109 |
Alloys | [s−1] | T [K] | [MPa] | [MPa] | δ [%] |
---|---|---|---|---|---|
0.1 Fe | 0.01 | 673 | 45.0 | 43.0 | −4.38% |
723 | 34.0 | 36.3 | 6.69% | ||
773 | 31.0 | 31.1 | 0.26% | ||
823 | 30.0 | 27.0 | −9.87% | ||
0.1 | 673 | 53.0 | 53.3 | 0.48% | |
723 | 42.0 | 45.4 | 8.13% | ||
773 | 39.5 | 39.2 | −0.64% | ||
823 | 34.0 | 34.4 | 1.05% | ||
1 | 673 | 65.5 | 64.8 | −1.11% | |
723 | 54.0 | 56.0 | 3.66% | ||
773 | 48.5 | 48.9 | 0.80% | ||
823 | 42.5 | 43.2 | 1.53% | ||
10 | 673 | 81.0 | 77.3 | −4.53% | |
723 | 67.0 | 67.8 | 1.16% | ||
773 | 61.0 | 59.9 | −1.80% | ||
823 | 53.0 | 53.4 | 0.75% | ||
0.5 Fe | 0.01 | 673 | 46.5 | 47.8 | 2.90% |
723 | 38.5 | 39.8 | 3.31% | ||
773 | 34.0 | 33.6 | −1.29% | ||
823 | 28.5 | 28.7 | 0.86% | ||
0.1 | 673 | 58.0 | 58.8 | 1.37% | |
723 | 48.5 | 49.6 | 2.33% | ||
773 | 43.0 | 42.4 | −1.46% | ||
823 | 35.5 | 36.6 | 3.13% | ||
1 | 673 | 71.5 | 70.8 | −0.94% | |
723 | 58.5 | 60.8 | 3.90% | ||
773 | 51.5 | 52.6 | 2.16% | ||
823 | 43.5 | 46.0 | 5.65% | ||
10 | 673 | 84.0 | 83.7 | −0.39% | |
723 | 70.0 | 73.0 | 4.25% | ||
773 | 63.0 | 64.1 | 1.71% | ||
823 | 58.0 | 56.7 | −2.28% |
Fe Content (wt %) | 0.1 | 0.5 |
---|---|---|
Numbers of lager intermetallic particles (1–200 μm) in Figure 6 [mm−2] | 2068 | 4826 |
Area [%] | 1.839 | 3.706 |
Max diameter [μm] | 18.20 | 18.04 |
Average diameter [μm] | 3.425 | 3.339 |
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Lu, H.; Hou, Z.; Ma, M.; Lu, G. Effect of Fe-Content on the Mechanical Properties of Recycled Al Alloys during Hot Compression. Metals 2017, 7, 262. https://doi.org/10.3390/met7070262
Lu H, Hou Z, Ma M, Lu G. Effect of Fe-Content on the Mechanical Properties of Recycled Al Alloys during Hot Compression. Metals. 2017; 7(7):262. https://doi.org/10.3390/met7070262
Chicago/Turabian StyleLu, Hongzhou, Zeran Hou, Mingtu Ma, and Guimin Lu. 2017. "Effect of Fe-Content on the Mechanical Properties of Recycled Al Alloys during Hot Compression" Metals 7, no. 7: 262. https://doi.org/10.3390/met7070262