Effect of Nb in （La0.5Ce0.5）64-xAl16Ni5Cu15Nbx （x=0-5） bulk metallic glasses
The effect of Nb in （La0.5Ce0.5）64-xAl16Ni5Cu15Nbx （x=0-5, mole fraction） bulk metallic glasses was investigated by X-ray diffractometry, differential scanning calorimetry, and scanning electron microscopy. Fully amorphous rods up to 5 mm in diameter were obtained using copper mold. Their lower glas...
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| Veröffentlicht in: | Transactions of Nonferrous Metals Society of China 2006, Vol.16 (A02), p.131-135 |
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| Format: | Artikel |
| Sprache: | eng |
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| Zusammenfassung: | The effect of Nb in （La0.5Ce0.5）64-xAl16Ni5Cu15Nbx （x=0-5, mole fraction） bulk metallic glasses was investigated by X-ray diffractometry, differential scanning calorimetry, and scanning electron microscopy. Fully amorphous rods up to 5 mm in diameter were obtained using copper mold. Their lower glass transition temperatures are of about 401-407 K and wide supercooled liquid regions are up to 75 K. The oxidation resistance of the LaCe-based glassy alloys can be largely enhanced by adding tiny Nb, which makes the developed LaCe-based bulk metallic glasses more attractive for potential industrial applications. |
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| ISSN: | 1003-6326 |