Enhancing wear and corrosion resistance of electroless Ni-P coatings in CO2-saturated NaCl solution through polytetrafluoroethylene incorporation

被引：9

作者：

Huang, Chenhao ^{[1
,3
]}

Zhang, Zhen ^{[1
,3
]}

Yan, Jing ^{[2
,3
]}

Sun, Lan ^{[1
,3
]}

Wang, Jun ^{[1
,3
]}

机构：

[1] Sichuan Univ, Sch Mech Engn, Chengdu 610065, Peoples R China

[2] PetroChina Southwest Oil & Gas Field Co, Res Inst Nat Gas Technol, Chengdu 610213, Peoples R China

[3] Sichuan Univ, Tourism Sch, 24 South Sect 1 Ring Rd 1, Chengdu 610065, Sichuan, Peoples R China

来源：

CORROSION SCIENCE | 2024年 / 226卷

基金：

中国国家自然科学基金;

关键词：

Metal coatings; Electrochemical techniques; Hydrogen permeation; Weight loss; Acid corrosion; PTFE COMPOSITE COATINGS; NANOCOMPOSITE COATINGS; STAINLESS-STEEL; SIC PARTICLES; CARBON-STEEL; BEHAVIOR; HYDROGEN; ALLOY; H2S; WATER;

D O I：

10.1016/j.corsci.2023.111620

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the realm of oil and natural gas, material durability is compromised by sand particle abrasion, corrosive media, and hydrogen-induced cracking. This study investigates the impact of PTFE on wear and corrosion resistance of Ni-P coatings in a CO2 environment. Hydrogen barrier properties of the substrate, Ni-P, and PTFE are evaluated using the Devanathan-Stachursky cell. Results show that incorporating PTFE enhances the coating's wear and corrosion resistance, and hydrogen barrier performance compared to substrate and Ni-P alone. The coating effectively hinders corrosive media transmission. A comprehensive analysis of the Ni-P-PTFE corrosion mechanism is provided, along with a robust corrosion model.

引用

页数：17

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