Effect of phosphoric acid and perchloric acid on Electropolishing of additive manufactured 17-4 PH stainless steel and its characterization

被引：6

作者：

Lee, Chia-Yu ^{[1
]}

Ger, Ming-Der ^{[2
,5
]}

Hung, Jung-Chou ^{[3
]}

Yang, Po-Jen ^{[3
]}

Ferng, Yi-Cherng ^{[4
]}

Jen, Kuo-Kuang ^{[4
]}

Jian, Shun-Yi ^{[2
,5
]}

机构：

[1] Natl Def Univ, Grad Sch Def Sci, Chung Cheng Inst Technol, Taoyuan, Taiwan

[2] Natl Def Univ, Chung Cheng Inst Technol, Dept Chem & Mat Engn, Taoyuan 335, Taiwan

[3] Natl Cent Univ, Dept Mech Engn, Chungli 320, Taiwan

[4] Natl Chung Shan Inst Sci & Technol, Missile & Rocket Syst Res Div, Taoyuan 32546, Taiwan

[5] Natl Chiao Tung Univ, Syst Engn & Technol Program, Hsinchu 300, Taiwan

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2022年 / 17卷 / 03期

关键词：

Electropolishing; Additive Manufacturing; 17-4 PH stainless steel; Surface roughness; RESISTANCE; DEFECTS;

D O I：

10.20964/2022.03.21

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Additive manufactured 17-4 PH stainless steel is widely used and is the material for this study. The processing of the work piece for additive manufacturing is difficult and the surface is very rough. The surface roughness is reduced by electropolishing using phosphoric acid and perchloric acid solutions, in order to compare their efficiency. Surface morphology is determined using SEM. A 3D white light interferometer measures the surface roughness and electrochemical testing is used to determine corrosion resistance after electropolishing.

引用

页数：11

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