Research on high temperature corrosion resistance of N155 nickel alloy

N155 nickel alloy shows good corrosion resistance in high temperature environments. Its related research mainly focuses on the following aspects:

1. Oxidation resistance: N155 nickel alloy has excellent oxidation resistance and can form a dense oxide layer in a high-temperature oxidizing environment. Aiming at different operating temperatures and atmospheric conditions, researchers explored the oxidation behavior of N155 alloy and the composition and structure of the oxide layer through oxidation kinetic analysis and structural characterization of oxidation products.

2. Sulfurization resistance: N155 nickel alloy has good corrosion resistance in sulfur-containing environments. Relevant research focuses on the corrosion behavior of alloys in high-temperature sulfide atmospheres, the precipitation characteristics of sulfide phases, and the impact of sulfur on alloy properties.

3. Chloride corrosion resistance: Researchers evaluated the corrosion resistance of N155 nickel alloy in chlorine-containing environments, including high-temperature chloride corrosion and chlorine gas corrosion. The research involves weight loss experiments of the alloy, electrochemical testing and characterization of the material's microstructure.

4. Acid etching performance: The corrosion resistance of N155 nickel alloy in high-temperature acidic solutions has also been studied. Researchers explore the corrosion resistance of alloys in different acidic media by evaluating the corrosion rate, electrochemical behavior and microstructural changes of the material.

5. Alkali resistance: Although N155 nickel alloy is mainly used in high-temperature acidic environments, it also shows good corrosion resistance in some alkaline media. Relevant research mainly focuses on the corrosion behavior and stability of alloys in high-temperature alkaline solutions.

In summary, the research on the high-temperature corrosion resistance of N155 nickel alloy mainly focuses on oxidation, sulfidation, chloride corrosion, acid etching and alkali corrosion, aiming to gain an in-depth understanding of the corrosion resistance behavior, interface reaction and corrosion mechanism of the alloy. To guide its practical application in high temperature environments.

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