采用真空感应熔炼的方法制备了系列FeCr20Al5-La和未添加稀土的FeCr20Al5合金,经锻造、热轧、冷轧等工序制得厚度为60 μm的合金箔材,并研究了其高温抗氧化性能.采用SEM和TEM观察了氧化膜的显微组织和结构,结果表明,添加稀土La可明显改善FeCrAl合金的抗高温氧化性能.
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