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
收藏
页数：17
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