RU2013143889A - METHOD FOR NON-DESTRUCTIVE ASSESSMENT OF CRITICAL CHANGES IN THE TECHNICAL CONDITION OF METAL - Google Patents
METHOD FOR NON-DESTRUCTIVE ASSESSMENT OF CRITICAL CHANGES IN THE TECHNICAL CONDITION OF METAL Download PDFInfo
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- RU2013143889A RU2013143889A RU2013143889/28A RU2013143889A RU2013143889A RU 2013143889 A RU2013143889 A RU 2013143889A RU 2013143889/28 A RU2013143889/28 A RU 2013143889/28A RU 2013143889 A RU2013143889 A RU 2013143889A RU 2013143889 A RU2013143889 A RU 2013143889A
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- metal
- microhardness
- values
- critical changes
- indenter
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- Analysing Materials By The Use Of Radiation (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Abstract
Способ неразрушающей оценки критических изменений технического состояния металла, включающий подготовку поверхности, воздействие на подготовленную поверхность индентором и определение микротвердости металла, отличающийся тем, что сначала на подготовленную поверхность образца из металла, аналогичного металлу исследуемой конструкции, но находящемся в исходном состоянии, в различных зонах воздействуют индентором, осуществляя в каждой зоне серию замеров, определяют распределения значений микротвердости в каждой из зон, из которых определяют минимальное значение микротвердости, которое принимается как базовое минимальное значение для данного металла, затем аналогично выполняют замеры микротвердости на рассматриваемом участке исследуемой конструкции из того же металла, по результатам измерений определяют распределение значений микротвердости, которое сравнивают с полученным базовым минимальным значением микротвердости, при этом более низкие значения микротвердости в металле исследуемой конструкции по сравнению с базовым минимальным значением микротвердости свидетельствуют о наличии критических изменений в металле исследуемой зоны конструкции, связанных с протеканием в металле процесса старения.A non-destructive method for evaluating critical changes in the technical state of a metal, including surface preparation, exposure of the prepared surface by an indenter and determination of the microhardness of the metal, characterized in that first the surface of the sample is made of a metal similar to the metal of the structure under study in the initial state, in different zones by an indenter, performing a series of measurements in each zone, determine the distribution of microhardness values in each of the zones, of which they provide the minimum microhardness value, which is taken as the base minimum value for a given metal, then similarly measure the microhardness in the considered section of the test structure of the same metal, determine the distribution of microhardness values from the measurements, which are compared with the obtained base minimum microhardness, moreover low values of microhardness in the metal of the investigated design compared to the base minimum value of microhardness indicate the presence of critical changes in the metal of the studied area of the structure associated with the aging process in the metal.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2013143889/28A RU2545321C1 (en) | 2013-10-01 | 2013-10-01 | Method of non-destructive estimation of critical changes of metal technical state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2013143889/28A RU2545321C1 (en) | 2013-10-01 | 2013-10-01 | Method of non-destructive estimation of critical changes of metal technical state |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2545321C1 RU2545321C1 (en) | 2015-03-27 |
| RU2013143889A true RU2013143889A (en) | 2015-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| RU2013143889/28A RU2545321C1 (en) | 2013-10-01 | 2013-10-01 | Method of non-destructive estimation of critical changes of metal technical state |
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| RU (1) | RU2545321C1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2724584C1 (en) * | 2020-01-29 | 2020-06-25 | Александр Евгеньевич Зорин | Method for nondestructive evaluation of metal structural state using microindentation |
| RU2767028C1 (en) * | 2021-04-20 | 2022-03-16 | Александр Евгеньевич Зорин | Method of determining embrittlement of material |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988000691A1 (en) * | 1986-07-10 | 1988-01-28 | Commonwealth Scientific And Industrial Research Or | Penetrating measuring instrument |
| SU1705725A1 (en) * | 1988-09-23 | 1992-01-15 | Институт сверхтвердых материалов АН УССР | Method of determining physical and mechanical characteristics of material |
| RU2315971C1 (en) * | 2006-09-22 | 2008-01-27 | Евгений Евгеньевич Зорин | Damage degree of object detecting method |
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- 2013-10-01 RU RU2013143889/28A patent/RU2545321C1/en active
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| Publication number | Publication date |
|---|---|
| RU2545321C1 (en) | 2015-03-27 |
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