MICROSTRUCTURE AND TENSILE PROPERTIES OF SQUEEZE CAST<font>Mg</font>-<font>Al</font>-<font>Ca</font>ALLOYS
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Bibliographic record
Abstract
Microstructure and tensile properties of squeeze cast Mg - Al - Ca alloys with different levels of calcium addition (AMC50X) were studied. The microstructural analysis by optical and scanning electron microscopy (SEM) shows that the squzeeze cast Mg - Al - Ca alloys contain primary α- Mg , ( Al , Mg ) 2 Ca and Mn - Al intermetallic while the base alloy AM50 contains primary α- Mg , β- Mg 12 Al 17 and Mn - Al intermetallic. The addition of calcium varying from 1 to 4 wt.% increases the fraction area of Ca -containing secondary phases from 9.5% to 19.5%. The experimental observation confirms also that the calcium has a grain refining effect on the base alloy AM50A. The tensile testing results indicate that, as the calcium content of AMC50X alloys increases from 0 to 4%, the ultimate tensile strength (UTS) and elongation ( E f ) decrease dramatically at room temperature as their yield strengths (YS) improves slightly. At 150°C, however, both the UTS and YS of the alloys increase with increasing the Ca content.
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Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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