Selective surface purification via crater eruption under pulsed electron beam irradiation

Selective surface purification via crater eruption under pulsed electron beam irradiation

This letter reports an interesting phenomenon associated with the high-current pulsed electron beam treatment:selective surface purification. The treatment induces crater eruptions that preferentially occur at irregular composition and structure sites. The eruptions of second phase inclusions natura...

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Veröffentlicht in:Applied physics letters 2006-07, Vol.89 (4), p.041913-041913-3
Hauptverfasser: Zou, Jianxin, Zhang, Kemin, Dong, Chuang, Qin, Ying, Hao, Shengzhi, Grosdidier, Thierry
Format: Artikel
Sprache:eng
Schlagworte:
Chemical Sciences
Condensed Matter
CORROSION RESISTANCE
Cristallography
ELECTRON BEAMS
Engineering Sciences
MATERIALS SCIENCE
Mechanics
Mechanics of materials
NICKEL ALLOYS
Physics
PURIFICATION
STAINLESS STEEL-316L
SURFACE TREATMENTS
TITANIUM ALLOYS
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Zusammenfassung:This letter reports an interesting phenomenon associated with the high-current pulsed electron beam treatment:selective surface purification. The treatment induces crater eruptions that preferentially occur at irregular composition and structure sites. The eruptions of second phase inclusions naturally lead to the purification and homogenization of the melted surface layer. This improves significantly the corrosion resistance of NiTi and 316L alloys.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2234306