RU2013149663A - METHOD FOR ESTIMATING RESISTANCE AGAINST INTER-CRYSTALLINE CORROSION OF STEELS AND ALLOYS - Google Patents

METHOD FOR ESTIMATING RESISTANCE AGAINST INTER-CRYSTALLINE CORROSION OF STEELS AND ALLOYS Download PDF

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RU2013149663A
RU2013149663A RU2013149663/28A RU2013149663A RU2013149663A RU 2013149663 A RU2013149663 A RU 2013149663A RU 2013149663/28 A RU2013149663/28 A RU 2013149663/28A RU 2013149663 A RU2013149663 A RU 2013149663A RU 2013149663 A RU2013149663 A RU 2013149663A
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samples
corrosion
heating
resistance
provoking
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RU2013149663/28A
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Russian (ru)
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RU2553412C1 (en
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Сергей Викторович Батаев
Анатолий Леонидович Беляев
Ирина Аркадьевна Береснева
Александр Семенович Дербышев
Валерий Николаевич Казанцев
Федор Анатольевич Ладыгин
Валерий Анатольевич Науман
Сергей Владимирович Чинейкин
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Открытое акционерное общество "Чепецкий механический завод" (ОАО ЧМЗ)
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Priority to RU2013149663/28A priority Critical patent/RU2553412C1/en
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Abstract

1. Способ оценки стойкости против межкристаллитной коррозии сталей и сплавов, включающий подготовку образцов и рабочего раствора, проведение провоцирующего нагрева образцов, испытание образцов в рабочем растворе при заданных температуре и продолжительности и оценку коррозионной стойкости методом изгиба образцов, отличающийся тем, что провоцирующий нагрев до испытаний проводят только на части образцов, а образцы без провоцирующего нагрева испытывают в состоянии поставки, затем оценивают стойкость против межкристаллитной коррозии всех испытанных образцов гравиметрическим методом, рассчитывают скорость проникновения коррозии и сравнивают скорости проникновения коррозии образцов с провоцирующим нагревом и в состоянии поставки.2. Способ по п.1, отличающийся тем, что оценку коррозионной стойкости проводят дополнительно металлографическим методом.1. A method for assessing the resistance to intergranular corrosion of steels and alloys, including preparing samples and a working solution, conducting provoking heating of samples, testing samples in a working solution at a given temperature and duration, and assessing corrosion resistance by bending samples, characterized in that it provokes heating before testing carried out only on parts of the samples, and samples without provoking heating are tested in the delivery state, then the resistance to intergranular corrosion is assessed. x samples tested gravimetrically, calculate the corrosion rate and the penetration rate of penetration of corrosion compared with sample heating and precipitating able postavki.2. The method according to claim 1, characterized in that the assessment of corrosion resistance is carried out additionally by a metallographic method.

Claims (2)

1. Способ оценки стойкости против межкристаллитной коррозии сталей и сплавов, включающий подготовку образцов и рабочего раствора, проведение провоцирующего нагрева образцов, испытание образцов в рабочем растворе при заданных температуре и продолжительности и оценку коррозионной стойкости методом изгиба образцов, отличающийся тем, что провоцирующий нагрев до испытаний проводят только на части образцов, а образцы без провоцирующего нагрева испытывают в состоянии поставки, затем оценивают стойкость против межкристаллитной коррозии всех испытанных образцов гравиметрическим методом, рассчитывают скорость проникновения коррозии и сравнивают скорости проникновения коррозии образцов с провоцирующим нагревом и в состоянии поставки.1. A method for assessing the resistance to intergranular corrosion of steels and alloys, including preparing samples and a working solution, conducting provoking heating of samples, testing samples in a working solution at a given temperature and duration, and assessing corrosion resistance by bending samples, characterized in that it provokes heating before testing carried out only on parts of the samples, and samples without provoking heating are tested in the delivery state, then the resistance to intergranular corrosion is assessed. x samples tested gravimetrically, calculate the corrosion rate and the penetration rate of penetration of corrosion compared with samples provoking the heating of the supply state. 2. Способ по п.1, отличающийся тем, что оценку коррозионной стойкости проводят дополнительно металлографическим методом. 2. The method according to claim 1, characterized in that the assessment of corrosion resistance is carried out additionally by a metallographic method.
RU2013149663/28A 2013-11-06 2013-11-06 Assessment method of resistance against intergranular corrosion of steels and alloys RU2553412C1 (en)

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RU2553412C1 RU2553412C1 (en) 2015-06-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112816400A (en) * 2021-02-23 2021-05-18 东北大学 Evaluation method for intercrystalline corrosion resistance of 5XXX series alloy
CN115753579A (en) * 2022-11-24 2023-03-07 江苏隆达超合金股份有限公司 Nickel-based alloy pipe ferric sulfate intergranular corrosion test method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU974222A1 (en) * 1981-09-17 1982-11-15 Предприятие П/Я В-2262 Water solution for determination of corrosion resistant steel resistace to intercrystalline corrosion
SU1605175A1 (en) * 1988-04-15 1990-11-07 Северодонецкий Филиал Украинского Научно-Исследовательского И Конструкторского Института Химического Машиностроения Method of determining resistance of copper and its welded joints to intercrystalline corrosion
RU2137110C1 (en) * 1998-07-14 1999-09-10 Государственное предприятие Ленинградская атомная электростанция им.В.И.Ленина Method evaluating resistance of steels and alloys to intercrystalline corrosion cracking
CN101975743B (en) * 2010-11-24 2012-06-20 山东电力研究院 Method for testing inter-grain corrosion performance of austenitic heat-resistant steel after aging at 650 DEG C

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112816400A (en) * 2021-02-23 2021-05-18 东北大学 Evaluation method for intercrystalline corrosion resistance of 5XXX series alloy
CN115753579A (en) * 2022-11-24 2023-03-07 江苏隆达超合金股份有限公司 Nickel-based alloy pipe ferric sulfate intergranular corrosion test method

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