PREPARATION OF NANOPOROUS Cu COATINGS WITH HIGH SPECIFIC SURFACE AREA

Acta Metall Sin

2008, Vol. 44

Issue (12): 1419-1423 DOI:

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PREPARATION OF NANOPOROUS Cu COATINGS WITH HIGH SPECIFIC SURFACE AREA

KAN Yide; LIU Wenjin; ZHONG Minlin; MA Mingxing; KANG Ruiquan; GU Yu

Key Laboratory for Advanced Materials Processing Technology; Ministry of Education; Department of Mechanical Engineering; Tsinghua University

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KAN Yide LIU Wenjin ZHONG Minlin MA Mingxing KANG Ruiquan GU Yu. PREPARATION OF NANOPOROUS Cu COATINGS WITH HIGH SPECIFIC SURFACE AREA. Acta Metall Sin, 2008, 44(12): 1419-1423.

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Abstract

Mn-Cu alloy coatings with fine shape, low dilute ratio and refined microstructure were fabricated on medium carbon steel substrate by means of laser processing, and then treated by electrochemical etching to selectively dissolve Mn atoms in the coatings. Nanoporous Cu coatings with high specific surface area were finally achieved. The sizes of the pores in the etched coatings are mainly ranging from 30 to 50 nm, and the initial composition of coatings has a great effect on the morphology of the nanoporous Cu coatings.

Key words: nanoporous Cu coatings laser processing high specific surface area microstructure

Received: 14 April 2008

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y2008/V44/I12/1419

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