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论文类型：期刊论文

发表时间：2011-10-25

发表刊物：SURFACE & COATINGS TECHNOLOGY

收录刊物：Scopus、SCIE、EI

卷号：206

期号：2-3

页面范围：295-304

ISSN号：0257-8972

关键字：Low energy high current pulsed electron beam (LEHCPEB); Phase transformation; Ti alloy; Hardness; Corrosion

摘要：The effect of the low energy high current pulsed electron beam (LEHCPEB) surface treatment on the microstructure and properties of a near alpha Ti alloy have been investigated. Both the melted layer and solid state transformation layer of the LEHCPEB treated samples contained alpha' martensite. The size of the former beta grains suggests a cooling rate of about 10(7) Ks(-1). Selective Al evaporation occurred at the top surface of the melted layer and affected both surface hardness and corrosion properties. (C) 2011 Elsevier B.V. All rights reserved.