Corrosion Resistant Ni-Cr-Mo Alloys

Sridhar, Narasi; Wu, Jijun; Manning, P. E.

doi:10.1007/bf03258745

Cited by 10 publications

(7 citation statements)

References 8 publications

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“…However, its behavior in highly reducing environments and in severe crevice and corrosion conditions is inferior to that of alloy C-276 [20,21]. Details on the development of alloy C-22 have been described elsewhere [22][23][24].…”

Section: C20 Alloy C-22 (1982-present)mentioning

confidence: 99%

Nickel and Nickel Alloys

Agarwal¹,

Sridhar²

2011

Uhlig's Corrosion Handbook

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Section: C20 Alloy C-22 (1982-present)mentioning

confidence: 99%

Nickel and Nickel Alloys

Agarwal¹,

Sridhar²

2011

Uhlig's Corrosion Handbook

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“…It was designed based on the concept of the atomic percent factor (APF), which reflects the opposing role of Cr to that of Mo and W in reducing and oxidizing acidic solutions. 7,8 A reducing solution has a redox potential with a cathodic current controlled by hydrogen evolution reaction (HER) and an oxidizing solution has a redox potential controlled by a cathodic reaction with a potential higher than HER (e.g. Fe 3+ or nitric acid).…”

Section: Introductionmentioning

confidence: 99%

“…Fe 3+ or nitric acid). The APF was described as: 7,8 Where the symbols represent weight percentage of the element in the alloy. In oxidizing conditions such as ASTM G 28A, the higher the Cr content (i.e.…”

Section: Introductionmentioning

confidence: 99%

Influence of the Environment on the General Corrosion Rate of Alloy 22 (N06022)

Rebak

Crook

2004

Transportation, Storage, and Disposal of Radioactive Materials

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Nickel (Ni) can dissolve a large amount of alloying elements while still maintaining its desirable austenitic microstructure. The resulting alloys are generally divided in families depending on the type of alloying elements they contain. Each one of these families is aimed to specific applications. Corrosive environments in industrial applications are generally divided for example in reducing acids, oxidizing acids, contaminated acids, caustic environments, oxidizing salts, etc. Depending on the application and the environment (electrolyte composition and temperature) several or single alloys may be recommended to fabricate components. The Ni-chromium-molybdenum (Ni-Cr-Mo) series contains a balanced selection of beneficial alloying elements so it can handle a variety of aggressive environments. By design, Alloy 22 or N06022 is one of the most versatile corrosion resistant nickel alloys since it has outstanding corrosion resistance both in reducing and oxidizing conditions.

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“…[4] An extensive amount of research on Ni-Cr-Mo alloys has been reported. [1,2,[4][5][6][7][8][9][10][11][12][13][14][15][16][17] One of the typical alloys is named Haynes 242 alloy with a nominal composition of Ni-8Cr-25Mo (wt.%); this material exhibits excellent high-temperature strength and ductility, low thermal expansion characteristics, good oxidation resistance and excellent fabricability. [1,2,5] The chemical composition and heat treatment of Ni-Cr-Mo alloys have also been investigated.…”

mentioning

confidence: 99%

Mechanical Properties and Corrosion Resistance of a Novel Ni‐Cr‐Mo Alloy

Huang

Liu

et al. 2007

Adv Eng Mater

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Nickel-based superalloys are a very important group of engineering materials for high strength and high corrosion/ wear resistance applications at high temperatures; for example, they have been selected for a variety of gas turbine engine components such as seals, containment rings, duct segments, casings, fasteners, racket nozzles and pumps. Alloys based on the Ni-Cr-Mo ternary system constitute a class of superalloys utilizing long range ordered phases as a primary mechanism for providing high strength at both room temperature and elevated temperatures. [1,2] Nickel, as the base metal, possesses high hardness, which contributes to superior wear resistance. It is also a good base metal for corrosion-resistant materials because it readily alloys with other corrosion-resistant metals.

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Corrosion Resistant Ni-Cr-Mo Alloys

Cited by 10 publications

References 8 publications

Nickel and Nickel Alloys

Nickel and Nickel Alloys

Influence of the Environment on the General Corrosion Rate of Alloy 22 (N06022)

Mechanical Properties and Corrosion Resistance of a Novel Ni‐Cr‐Mo Alloy

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