Enhancement of corrosion resistance of high nickel austenitic ductile iron by laser surface treatment

D. W. Zeng; Kam Chuen Yung; C. S. Xie

Enhancement of corrosion resistance of high nickel austenitic ductile iron by laser surface treatment

D. W. Zeng, Kam Chuen Yung, C. S. Xie

Research output: Journal article publication › Journal article › Academic research › peer-review

Abstract

Laser surface treatment was used to enhance the corrosion resistance of a high nickel austenitic ductile iron in 0.1% hydrochloric acid solution. After laser treatment, the corrosion potential of the high nickel austenitic ductile iron increased to a more noble level and the corrosion current considerably decreased. This is believed due to a refinement of the coarse ledeburite eutectic at or near the austenitic grain boundary and elimination of the graphite spheroids in laser modified layer.

Original language	English
Pages (from-to)	133-141
Number of pages	9
Journal	Lasers in Engineering
Volume	11
Issue number	2
Publication status	Published - 1 Dec 2001

Keywords

Corrosion resistance
High nickel austenitic ductile iron
Laser surface treatment

ASJC Scopus subject areas

General Engineering

Cite this

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abstract = "Laser surface treatment was used to enhance the corrosion resistance of a high nickel austenitic ductile iron in 0.1% hydrochloric acid solution. After laser treatment, the corrosion potential of the high nickel austenitic ductile iron increased to a more noble level and the corrosion current considerably decreased. This is believed due to a refinement of the coarse ledeburite eutectic at or near the austenitic grain boundary and elimination of the graphite spheroids in laser modified layer.",

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AU - Yung, Kam Chuen

AU - Xie, C. S.

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N2 - Laser surface treatment was used to enhance the corrosion resistance of a high nickel austenitic ductile iron in 0.1% hydrochloric acid solution. After laser treatment, the corrosion potential of the high nickel austenitic ductile iron increased to a more noble level and the corrosion current considerably decreased. This is believed due to a refinement of the coarse ledeburite eutectic at or near the austenitic grain boundary and elimination of the graphite spheroids in laser modified layer.

AB - Laser surface treatment was used to enhance the corrosion resistance of a high nickel austenitic ductile iron in 0.1% hydrochloric acid solution. After laser treatment, the corrosion potential of the high nickel austenitic ductile iron increased to a more noble level and the corrosion current considerably decreased. This is believed due to a refinement of the coarse ledeburite eutectic at or near the austenitic grain boundary and elimination of the graphite spheroids in laser modified layer.

KW - Corrosion resistance

KW - High nickel austenitic ductile iron

KW - Laser surface treatment

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M3 - Journal article

SN - 0898-1507

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JO - Lasers in Engineering

JF - Lasers in Engineering

IS - 2

ER -

Enhancement of corrosion resistance of high nickel austenitic ductile iron by laser surface treatment

Abstract

Keywords

ASJC Scopus subject areas

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