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Abstract:
采用自动化高速电弧喷涂系统,将自行研制的粉芯丝材在AZ91镁合金基体表面制备出2种Al基非晶纳米晶复合涂层。采用扫描电子显微镜(SEM)观察非晶纳米晶复合涂层横截面的微观形貌,利用XRD对非晶纳米晶复合涂层进行结构分析。结果表明,非晶纳米晶复合涂层是由非晶相和晶化相共同组成,涂层致密,孔隙少。Al-Ni-Y-Co涂层的维氏硬度值为3117.6MPa,Al-Ni-Mm-Fe涂层的维氏硬度值为3407.2MPa,约为传统Al-RE涂层的4倍左右,为AZ91镁合金基体的5倍左右。电化学试验结果表明,Al-Ni-Y-Co、Al-Ni-Mm-Fe涂层的耐蚀性优于传统Al-RE涂层和AZ91镁合金基体。
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稀有金属材料与工程
Year: 2012
Issue: 05
Volume: 41
Page: 872-876
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 9
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