RU2010105102A - METHOD FOR DETERMINING RESIDUAL STRESSES BY CHARACTERISTICS OF MATERIAL HARDNESS - Google Patents

METHOD FOR DETERMINING RESIDUAL STRESSES BY CHARACTERISTICS OF MATERIAL HARDNESS Download PDF

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RU2010105102A
RU2010105102A RU2010105102/28A RU2010105102A RU2010105102A RU 2010105102 A RU2010105102 A RU 2010105102A RU 2010105102/28 A RU2010105102/28 A RU 2010105102/28A RU 2010105102 A RU2010105102 A RU 2010105102A RU 2010105102 A RU2010105102 A RU 2010105102A
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RU
Russia
Prior art keywords
residual stresses
hardness
determining residual
stresses
product
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RU2010105102/28A
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Russian (ru)
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RU2435155C2 (en
Inventor
Игорь Моисеевич Рафалович (RU)
Игорь Моисеевич Рафалович
Original Assignee
Открытое акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машино
Открытое акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машиностроения" ОАО "НПО ЦНИИТМАШ"
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Application filed by Открытое акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машино, Открытое акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машиностроения" ОАО "НПО ЦНИИТМАШ" filed Critical Открытое акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машино
Priority to RU2010105102/28A priority Critical patent/RU2435155C2/en
Publication of RU2010105102A publication Critical patent/RU2010105102A/en
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  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

1. Способ определения остаточных напряжений по характеристикам твердости материала, заключающийся в том, что уровень остаточных напряжений в локальных зонах на поверхности изделия оценивают по изменению регистрируемых значений твердости металла в этих зонах относительно исходных значений. ! 2. Способ по п.1, отличающийся тем, что в локальных зонах на поверхности изделия делают параллельные надрезы, ориентированные под углом 90° по отношению друг к другу, так, чтобы геометрические оси надрезов совпадали с наиболее вероятным направлением действия главных напряжений. 1. The method of determining residual stresses according to the characteristics of the hardness of the material, which consists in the fact that the level of residual stresses in local zones on the surface of the product is estimated by the change in the recorded values of the hardness of the metal in these zones relative to the initial values. ! 2. The method according to claim 1, characterized in that in local areas on the surface of the product make parallel cuts oriented at an angle of 90 ° with respect to each other, so that the geometric axis of the cuts coincide with the most probable direction of action of the main stresses.

Claims (2)

1. Способ определения остаточных напряжений по характеристикам твердости материала, заключающийся в том, что уровень остаточных напряжений в локальных зонах на поверхности изделия оценивают по изменению регистрируемых значений твердости металла в этих зонах относительно исходных значений.1. The method of determining residual stresses according to the characteristics of the hardness of the material, which consists in the fact that the level of residual stresses in local zones on the surface of the product is estimated by the change in the recorded values of the hardness of the metal in these zones relative to the initial values. 2. Способ по п.1, отличающийся тем, что в локальных зонах на поверхности изделия делают параллельные надрезы, ориентированные под углом 90° по отношению друг к другу, так, чтобы геометрические оси надрезов совпадали с наиболее вероятным направлением действия главных напряжений. 2. The method according to claim 1, characterized in that in local areas on the surface of the product make parallel cuts oriented at an angle of 90 ° with respect to each other, so that the geometric axis of the cuts coincide with the most probable direction of action of the main stresses.
RU2010105102/28A 2010-02-12 2010-02-12 Procedure for determination of residual stresses by characteristics of material hardness RU2435155C2 (en)

Priority Applications (1)

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RU2010105102/28A RU2435155C2 (en) 2010-02-12 2010-02-12 Procedure for determination of residual stresses by characteristics of material hardness

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RU2010105102/28A RU2435155C2 (en) 2010-02-12 2010-02-12 Procedure for determination of residual stresses by characteristics of material hardness

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RU2010105102A true RU2010105102A (en) 2011-08-20
RU2435155C2 RU2435155C2 (en) 2011-11-27

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201117343D0 (en) * 2011-10-07 2011-11-23 Airbus Uk Ltd Method and apparatus for measuring residual stresses in a component
RU2582229C1 (en) * 2014-12-29 2016-04-20 Общество с ограниченной ответственностью Научно-исследовательское производственное предприятие "ВАЛЬМА" Installation for testing samples of metal welded and seamless pipes

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