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Electrochemical etching process for Mg-Ca-Zn alloy

XIAOGANG JIA1, YUAN HUANG1, FANG HE1,* , LIFEN ZHANG1, ZHAOHUI LU2

Affiliation

  1. Tianjin University, Tianjin City, People’s Republic of China, 300072
  2. Shanghai Children's Medical Center, shanghai, People’s Republic of China, 200217

Abstract

A new electrochemical etching method for the Mg-Ca-Zn alloy, including a new electrolyte solution and technological parameters, was developed in this paper. The EDTA in the electrolyte solution can chelate with Mg2+ and form the Mg-EDTA complex, which can play a crucial role in the selective etch. The lateral etching in the Mg-Ca-Zn alloy could be restrained while the vertical etching was enhanced through adjusting the stirring speed to obtain the reasonable electrolyte fluid field. In addition, surface fluorination treatment for the etched Mg-Ca-Zn alloy was also developed in this paper, which showed the corrosion behavior was improved..

Keywords

Smelting, Electrochemical etching, Mg-Ca-Zn alloy, Surface fluorination treatment.

Citation

XIAOGANG JIA, YUAN HUANG, FANG HE, LIFEN ZHANG, ZHAOHUI LU, Electrochemical etching process for Mg-Ca-Zn alloy, Optoelectronics and Advanced Materials - Rapid Communications, 8, 11-12, November-December 2014, pp.1107-1114 (2014).

Submitted at: Aug. 25, 2014

Accepted at: Nov. 13, 2014