Evaluation of through-porosity of HVOF sprayed coating

被引：44

作者：

Kawakita, J ^{[1
]}

Kuroda, S ^{[1
]}

Kodama, T ^{[1
]}

机构：

[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan

来源：

SURFACE & COATINGS TECHNOLOGY | 2003年 / 166卷 / 01期

关键词：

high velocity oxyfuel (HVOF); nickel alloy; through-porosity; inductively coupled plasma (ICP) atomic emission spectrometry; electrochemical;

D O I：

10.1016/S0257-8972(02)00719-3

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Anticorrosion coatings must be impermeable to protect steel structures. in marine environments. We evaluated, the throughporosity of HastelloyC high-velocity oxyfuel (HVOF) sprayed coatings by. quantitatively analyzing dissolved substances derived from coated steel during immersion in HCl solution. This enabled us to detectslight amounts of through-pores, which depended on the coating thickness and on the coating's stacking structure. It also enabled us to separately calculate both coating throughporosity and corrosion resistance when electrochemical measurements could not selectively detect either of these properties: (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：17 / 23

页数：7

共 13 条

[1] Porosity evaluation of protective coatings onto steel, through electrochemical techniques [J].