SU615358A1 - Method of determining breakdown thresholds of optical materials - Google Patents
Method of determining breakdown thresholds of optical materialsInfo
- Publication number
- SU615358A1 SU615358A1 SU762355148A SU2355148A SU615358A1 SU 615358 A1 SU615358 A1 SU 615358A1 SU 762355148 A SU762355148 A SU 762355148A SU 2355148 A SU2355148 A SU 2355148A SU 615358 A1 SU615358 A1 SU 615358A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- optical materials
- thresholds
- destruction
- determining
- sample
- Prior art date
Links
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Description
(54) СПОСОБ ОПРЕДЕЛЕНИЯ ПОРСГСЖ РАЗРУШЕНИЯ ОПТИЧЕСКИХ МАТЕРИАЛА(54) METHOD FOR DETERMINING SUBSIDIATION OF DESTRUCTION OF OPTICAL MATERIAL
Изобретение относитс к методам изучени порогов разрзгшени оптических материалов .This invention relates to methods for studying the resolution thresholds of optical materials.
Известен способ определеав порогов разрушени оптических материалов, заключающийс в том, что образец облучают когереитным световым излучением и по состо нию образца опредепгаот пороги разрушени :|l3.A known method for determining the thresholds for the destruction of optical materials is that the sample is irradiated with cohereitic light radiation and, according to the state of the sample, the destruction thresholds are | l3.
Недостаток известного способа в разрушеиии объекта исследовани . Кроме того , из-за технологического разброса свойств материала по образцу данные о величине порога разрушени локальной области образца не вл ютс репрезентативными дл всего образца или всей партии образцов.The disadvantage of this method in the destruction of the object of study. In addition, due to the technological variation of the material properties of the sample, the data on the value of the destruction threshold of the local area of the sample are not representative of the entire sample or the entire batch of samples.
Цель изобретени - осуществление неразрушающего контрол порогов разрушени оптических материалов.The purpose of the invention is the implementation of non-destructive testing of the destruction thresholds of optical materials.
Это достигаетс тем, что предлагаемым способом измер ют температурные напр жени в зависимости от плотности энергии облучени и по отклонению полученной за-висимости от линейной функции определ - This is achieved by the fact that the proposed method measures the temperature stresses depending on the density of the irradiation energy and on the deviation of the obtained dependence on the linear function of
величину плотности энергии облучени по которой суа т о порогах разрушени . the value of the irradiation energy density over which it is about the destruction thresholds.
Способ осуществл етс следующим образом . Измер ют зависимость амплитуды термоупругих напр жений от плотности энергии облучени с переменным шагом, равным 5-«€% предыдущего значени плотности энергии, до отклонени указанной зависимости от линейиой функции не менее 5% и.по точке отклонени определ ют величину плотности энергии облучени , котора вл етс порогом усталостндго разрушени NV . Порог разового разрушени W определ ют из соотноше-. ии The method is carried out as follows. The dependence of the amplitude of thermoelastic stresses on the irradiation energy density is measured with a variable step equal to 5- €% of the previous value of the energy density, to a deviation of the indicated dependence on the linear function of at least 5%, and from the deviation point determine the value of the irradiation energy density is the fatigue threshold of NV. The one-time destruction threshold, W, is determined from ratios. ai
W2(4,,.W2 (4 ,,.
Изобретение может быть использовано дл определени параметров разрушени элементов из оптических материалов.The invention can be used to determine the destruction parameters of elements made of optical materials.
Ф о р м ул а изобретени F o rm ul inventions
Способ определени порогов разрушени оптических материалов, заключающийс в том, что образец облучают когерентным световым Излучением и па состо нию. образца определ5аот пороги разрушени , отличающийс тем, что, с целью осуществлени неразрушаюшего контрол , измер ют температурные {напр жени в за-. внсимости от плотности энергии облучений и по отклонению полученной зависимости от линейной функции определ ют велрпину плотности энергии облучениЯф по которой суд т .о порогах разрушени ., Источники информации, прин тые во внимание при экспертизе: 1. Доклады АН СССР, 1973, т. 211, № 6, с. 1317. The method of determining the thresholds for the destruction of optical materials, which consists in the fact that the sample is irradiated with coherent light radiation and PA state. the sample is determined from the thresholds of destruction, characterized in that, in order to carry out non-destructive testing, the temperature {voltage in the - is measured. on the density of the radiation energy and on the deviation of the resulting dependence on the linear function, determine the velrpinu radiation energy density at which the trial is judged on the destruction thresholds., Sources of information taken into account during the examination: 1. Reports of the USSR Academy of Sciences, 1973, Vol. 211 , № 6, p. 1317.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU762355148A SU615358A1 (en) | 1976-04-16 | 1976-04-16 | Method of determining breakdown thresholds of optical materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU762355148A SU615358A1 (en) | 1976-04-16 | 1976-04-16 | Method of determining breakdown thresholds of optical materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU615358A1 true SU615358A1 (en) | 1978-07-15 |
Family
ID=20659570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU762355148A SU615358A1 (en) | 1976-04-16 | 1976-04-16 | Method of determining breakdown thresholds of optical materials |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU615358A1 (en) |
-
1976
- 1976-04-16 SU SU762355148A patent/SU615358A1/en active
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