Abstract
The effect of aging on the microstructure and mechanical properties of AZ80 and ZK60 wrought magnesium alloys was studied with optical microscope and mechanical testers. The results demonstrate that both the tensile strength and elongation of AZ80 alloy increase firstly and then decrease as the aging temperature rises, the peak values appear when the aging temperature is 170 °C. The hardness of ZK60 alloy increases firstly and then decreases as the aging temperature rises, and the hardness reaches its peak value at 170 °C. However, the toughness of the alloy is just the opposite. Moreover, ZK60 alloy has good performances in both impact toughness and other mechanical properties at the aging temperature from 140 °C to 200 °C.
| Original language | English |
|---|---|
| Pages (from-to) | 739-744 |
| Number of pages | 6 |
| Journal | Transactions of Nonferrous Metals Society of China (English Edition) |
| Volume | 21 |
| Issue number | 4 |
| DOIs | |
| State | Published - Apr 2011 |
| Externally published | Yes |
Keywords
- AZ80 magnesium alloy
- ZK60 magnesium alloy
- aging
- mechanical properties
- microstructure
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