Copper corrosion mechanisms, influencing factors, and mitigation strategies for water circuits of heat exchangers: Critical review and current advances

Z Benzarti, N Arrousse, R Serra, S Cruz, A Bastos… - Corrosion …, 2024 - degruyter.com
This review examines copper corrosion mechanisms and their key influencing factors,
including microstructure effects, surface treatments, manufacturing conditions, temperature …

[HTML][HTML] Stress corrosion cracking of copper–nickel alloys: A review

D Li, K Li, J Gao, Y Liu, C Qin, J Li, Y Li, W Cao, Y Zhai… - Coatings, 2023 - mdpi.com
Under the combination of certain corrosive ions and stress, Cu-Ni alloys may experience
severe stress corrosion cracking (SCC), which causes premature failure and hinders their …

Failure analysis of corroded heat exchanger CuNi tubes from a geothermal plant

JB Morake, JM Mutua, MM Ruthandi… - Engineering Failure …, 2023 - Elsevier
This study examined the premature failure of cupronickel (CuNi10Fe) tubes in a shell-and-
tube heat exchanger after five months of service. An investigation to identify the root cause of …

Effect of oxygen on pitting corrosion of copper pipe in fire sprinkler system

YH Lee, JH Byun, SJ Ko, EH Park, JG Kim - Materials Chemistry and …, 2023 - Elsevier
In this study, pitting corrosion in copper pipe used for sprinkler according to dissolved
oxygen (DO) concentration was investigated through failure analyses, flow visualization test …

Stress corrosion cracking susceptibility of 316LN grade stainless steel weld joint in boiling magnesium chloride hexahydrate environment

R Rajasekaran, AK Lakshminarayanan… - Metals and Materials …, 2022 - Springer
Abstract The 316LN Stainless Steel (SS) weld joints were fabricated using Tungsten Inert
Gas (TIG) Welding and Activated Flux Tungsten Inert Gas (A-TIG) Welding techniques with …

Optimization of laser-cladded SS316L/IN625 functionally graded material deposited on a copper substrate for boiler pipe heat exchanger applications

JB Morake, MR Maina, JM Mutua, EO Olakanmi… - … International Journal of …, 2024 - Springer
Laser cladding is a surface modification method that can be employed in components under
severe operating conditions, such as boiler heat exchangers, to mitigate degradation …

Stress corrosion cracking of the slip-ring connectors of a 2 MW wind turbine

EI Ramírez, CG Figueroa, JL Romero, E Ramos… - Engineering Failure …, 2022 - Elsevier
The failure of the connectors between the slip ring and rotor of a 2 MW wind turbine was
investigated. Visual inspection, low magnification stereomicroscopy and scanning electron …

A laboratory study of the failure analysis of copper tube used in the air conditioning heat exchanger

Z Wang, H Li, D Cheng, S Qin, D Li… - Materials and …, 2024 - Wiley Online Library
The failure behavior and the failure mechanisms of the copper tube used in the air
conditioning heat exchanger were analyzed using macrostructure and microstructure …

Corrosion and degradation behavior of bent aluminum and copper pipes for practical use in air conditioning

S Uchiyama, S Uemura, T Hayashi… - Materials and …, 2024 - Wiley Online Library
Although copper (Cu) pipes are widely used in refrigerant pi** owing to their high thermal
conductivity and weathering resistance, there are concerns regarding the increasing price …

[PDF][PDF] Failure analysis of air vent connected with heat supply pipeline under manhole

J Cho, H Chae, H Kim, JG Kim, WC Kim… - Corrosion Science and …, 2020 - j-cst.org
The air vent connected to a heat supply pipeline in the district heating system has been used
to eliminate the existing air in the pipe, which has a detrimental effect on corrosion durability …