SU873049A2 - Method of determination of coating-to-base adhesive strength - Google Patents
Method of determination of coating-to-base adhesive strength Download PDFInfo
- Publication number
- SU873049A2 SU873049A2 SU792714917A SU2714917A SU873049A2 SU 873049 A2 SU873049 A2 SU 873049A2 SU 792714917 A SU792714917 A SU 792714917A SU 2714917 A SU2714917 A SU 2714917A SU 873049 A2 SU873049 A2 SU 873049A2
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- coating
- determination
- adhesive strength
- base adhesive
- pins
- Prior art date
Links
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
1one
Изобретение относитс к испытанию материалов, а именно к способам определени адгезионной прочности покрыти к основе.The invention relates to the testing of materials, and specifically to methods for determining the adhesive strength of a coating on a substrate.
По основному авт. св. № 696354 известен способ определени адгезионной прочности покрыти к основе, заключающийс в том, что на испытуемое , покрытие наклеивают торцами два штифта с различными геометрическими параметрами торцов, в данном случае, разными площад ми прижимают периферийную часть покрыти к основе, прикладывают нагрузки к штифтам, фцксируют усили отрыва и определ ют адгезионную прочность покрыти по отношению разности усилий отрыва штифт тов к разности-геометрических параметров pj;According to the main author. St. No. 696354, a method for determining the adhesion strength of a coating to a substrate is known. peel forces and determine the adhesion strength of the coating in relation to the difference between the efforts of the pin peeling and the difference-geometrical parameters pj;
Недостатком способа вл етс низка точность определени , так как не учитываетс вли ние краевого эффекта при определении адгезионной прочности.The disadvantage of this method is the low accuracy of the determination, since the influence of the edge effect in determining the adhesion strength is not taken into account.
Цель изобретени - повышение точности определени путем учета вли ни краевого эффекта при отрыве ,The purpose of the invention is to improve the accuracy of determination by taking into account the influence of the edge effect at separation,
Поставленна цель достигаетс тем, что используют штифты, имеющие ран- . ные площади контакта с покрытием но разные периметры.The goal is achieved by the use of pins having a wound. Other contact areas with coating but different perimeters.
Сущность способа заключаетс в следующем .The essence of the method is as follows.
На испытуемое покрытие наклеивают торцами два штифта, например, пр моугольного; сечени , имеющие . ные площади контакта с покрытием, но разные периметры. На штифты надевают обоймы, которые прижимают периферийную часть покрыти к основе пос ле чего прикладывают нагрузку к штифтам и фиксируют величину усилий отрыва. Адгезионную прочность покрыти определ ют по отношению .разности усилий отрьша штифтов к разности их периметров как разность , между общим усилием отрыва и указанным отношением.Two pins, for example, a rectangular, are glued onto the test coating; cross sections having other contact areas with the coating, but different perimeters. Clips are put on the pins, which press the peripheral part of the coating to the base, after which a load is applied to the pins and the magnitude of the peel forces is recorded. The adhesive strength of the coating is determined by the ratio of the force difference between the pins and the difference in their perimeters as the difference between the common tearing force and the specified ratio.
3873049 , 43873049, 4
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792714917A SU873049A2 (en) | 1979-01-18 | 1979-01-18 | Method of determination of coating-to-base adhesive strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792714917A SU873049A2 (en) | 1979-01-18 | 1979-01-18 | Method of determination of coating-to-base adhesive strength |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU696354A Addition SU145011A1 (en) | 1961-02-06 | 1961-02-06 | Automatic measurement method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU873049A2 true SU873049A2 (en) | 1981-10-15 |
Family
ID=20806082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU792714917A SU873049A2 (en) | 1979-01-18 | 1979-01-18 | Method of determination of coating-to-base adhesive strength |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU873049A2 (en) |
-
1979
- 1979-01-18 SU SU792714917A patent/SU873049A2/en active
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