SU918782A1 - Method of measuring stresses in polymeric materials - Google Patents
Method of measuring stresses in polymeric materials Download PDFInfo
- Publication number
- SU918782A1 SU918782A1 SU792741214A SU2741214A SU918782A1 SU 918782 A1 SU918782 A1 SU 918782A1 SU 792741214 A SU792741214 A SU 792741214A SU 2741214 A SU2741214 A SU 2741214A SU 918782 A1 SU918782 A1 SU 918782A1
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- SU
- USSR - Soviet Union
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- polymeric materials
- stresses
- measuring
- measuring stresses
- capacitance
- Prior art date
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
) СПОСОБ ИЗМЕРЕНИЯ НАПРЯЖЕНИЙ 8 ЯОЯИМЕРНЫХ) METHOD OF MEASURING THE STRESSES OF 8 ANOIMIMERIC
МАТЕРИАЛАХMATERIALS
II
Изобретение относитс к измерительной технике, в частности к способам измерени напр жений в полимерных материалах.The invention relates to a measurement technique, in particular, to methods for measuring stresses in polymeric materials.
Известен способ измерени напр жений в полимерных материалах, заключающийс в том, что измер ют емкость конденсатора, одна из обкладок которого св зана с поверхностью исследуемого материала, и по емкости суд т о напр жени х fl.A known method for measuring stresses in polymeric materials is that the capacitance capacitance is measured, one of the plates of which is connected to the surface of the material under study, and the capacitance is judged by the stresses fl.
Однако можно судить о напр жени х в материале лишь в том случае, когда деформируемый материал подчин етс закону Гука, а полимерные материалы при больших нагрузках не подчин ютс этому закону. Поэтому измерение механических напр жений известным . способом производитс с большими погрешност ми.However, one can judge the stresses in the material only if the deformable material obeys Hooke's law, and polymeric materials under heavy loads do not obey this law. Therefore, the measurement of mechanical stresses is known. the method is produced with large errors.
Цель изобретени - повышение точности измерени .The purpose of the invention is to improve the measurement accuracy.
Поставленна цель достигаетс тем, что определ ют диэлектрическуюThe goal is achieved by determining the dielectric
проницаемость исследуемого материала и по ней суд т о механических напр жени х.the permeability of the material under study and its judging of mechanical stresses.
Способ осуществл етс следующим образом.The method is carried out as follows.
Исследуемый образец из полимерного материала заключают между двум металлическими обкладками, форма которых повтор ет форму образца в месте, подлежащем исследованию.The test specimen of polymeric material is enclosed between two metal plates, the shape of which repeats the shape of the specimen at the site to be studied.
toto
Дл этого на образец с помощью . тончайшего сло полимерного кле с двух сторон приклеивают листочки тонкой алюминиевой фольги толщиной 10-20 мкм. №жно использовать конденts саторную фольгу, обезжирив ее перед наклейкой. Эти листочки с образцом / составл ют конденсатор-датчик. После наклеивани фольги ее тщательно прикатывают , а клей подвергают термо20 полимеризации. Как это обычно делают при наклеиваний тензорезисторов . Не следует прикатывать фольгу вместо кле вазелиновым маслом, какTo do this by sample using. on the two sides of the thinnest layer of polymer glue, glue sheets of thin aluminum foil with a thickness of 10–20 μm. No. It is necessary to use condensate foil, degreasing it before sticking. These sample sheets / make up the capacitor-sensor. After pasting, the foil is carefully rolled and the glue is subjected to thermo-20 polymerization. As is usually done when gluing strain gages. Do not roll the foil instead of glue with vaseline oil, as
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792741214A SU918782A1 (en) | 1979-03-27 | 1979-03-27 | Method of measuring stresses in polymeric materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792741214A SU918782A1 (en) | 1979-03-27 | 1979-03-27 | Method of measuring stresses in polymeric materials |
Publications (1)
Publication Number | Publication Date |
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SU918782A1 true SU918782A1 (en) | 1982-04-07 |
Family
ID=20817155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU792741214A SU918782A1 (en) | 1979-03-27 | 1979-03-27 | Method of measuring stresses in polymeric materials |
Country Status (1)
Country | Link |
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SU (1) | SU918782A1 (en) |
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1979
- 1979-03-27 SU SU792741214A patent/SU918782A1/en active
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