SU909630A1 - Coating to base adhesion strength determination method - Google Patents
Coating to base adhesion strength determination method Download PDFInfo
- Publication number
- SU909630A1 SU909630A1 SU802979145A SU2979145A SU909630A1 SU 909630 A1 SU909630 A1 SU 909630A1 SU 802979145 A SU802979145 A SU 802979145A SU 2979145 A SU2979145 A SU 2979145A SU 909630 A1 SU909630 A1 SU 909630A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- coating
- adhesion strength
- determination method
- strength determination
- base adhesion
- Prior art date
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- Application Of Or Painting With Fluid Materials (AREA)
Description
II
Изобрететше относитс к испытатеЛь ной технике, а име1шо, к способам определени прочности сцеплени пористых покрытий с подложками.The invention relates to a test technique, and has, to methods for determining the adhesion strength of porous coatings to substrates.
Известен способ определени прочности сцеплени покрыти с подло кой, заключающийс в том, чгго на поверхность испытуемого покрыти устанавливают с помощью клеевого сло отрывной элемент и после отверждени кле прикладывают к отрывному элементу нагрузку до отрыва покрыти , по величине которой суд т о прочности сцеплени ,Недостатком известного способа вл етс низка точность определени прочности сцеплени при испытании пористых покрытий, так как клей проникает через поры покрыти до поверхности подложки и увеличивает прочность сцеплени пористого покрыти с подложкой.A known method for determining the adhesion strength of a coating with a basement is that a tear-off element is installed on the surface of the test coating with an adhesive layer and, after curing the adhesive, a load is applied to the tear-off element to the extent of the coating. method is the low accuracy of adhesion strength when testing porous coatings, as the adhesive penetrates through the pores of the coating to the surface of the substrate and increases the strength adhere the porous coating to the substrate.
Цель изобретени - ловьииение точности при определении прочности сцеплени пористых покрытий.The purpose of the invention is to determine the accuracy in determining the adhesion strength of porous coatings.
Указанна цель достигаетс тем, что между покрытием и клеевым слоем нанос т разделительный спой материала , не проницаемого дл кле .This goal is achieved by the fact that between the coating and the adhesive layer a separating material is applied that is not permeable to adhesive.
Способ осуществл етс следующим образом .The method is carried out as follows.
На подложку нанос т испь1туемое пористое покрытие одним из известных способов , затем на поверхность покрыти , например газопламенным напылением, нанос т разделительный слой не обладающего текучестью материала, закрывающего поры испытуемого пористого покрыти . На поверхность разделительного материала нанос т слой кле и устанавливают отрывной элемент. Довод т клей до отверж;аени , при этом обеспечивают прочность сцеплени между испытуемым покрытием , разделительным слоем материала , клеем и отрьгоным элементом выше, чем прочность сцеплени между испытуемым покрытием и подложкой. Прикладывают к отрьшному элементу нагрузку до отрыва испытуемого пористого покрьгги и по величине это нагрузки суд т о пуючности сцоплени . Способ иоовол ет повысугпз точность при определении прошостн сцеплени порист1 1х покрытий с подложками, так как разделительный слой материала закрт шает поры наружного сло пористого покры ти и предотвращает проникновение кле к подложке.A test porous coating is deposited on the substrate with one of the known methods, then a separation layer of non-flowable material covering the pores of the test porous coating is applied to the surface of the coating, for example by flame spraying. A layer of glue is applied to the surface of the release material and a tear-off element is installed. Bring the glue to curing, while ensuring the adhesion strength between the test coating, the release layer of the material, the adhesive and the foreign element is higher than the adhesion strength between the test coating and the substrate. A load is applied to the external element until the porous test surface is peeled off, and by the magnitude of this load, the load is judged by the stencil. The method improves the accuracy in determining the porosity of porous adhesion of coatings to substrates, since the separating layer of material closes the pores of the outer layer of the porous coating and prevents the adhesive from penetrating to the substrate.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU802979145A SU909630A1 (en) | 1980-09-05 | 1980-09-05 | Coating to base adhesion strength determination method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU802979145A SU909630A1 (en) | 1980-09-05 | 1980-09-05 | Coating to base adhesion strength determination method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU909630A1 true SU909630A1 (en) | 1982-02-28 |
Family
ID=20916668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU802979145A SU909630A1 (en) | 1980-09-05 | 1980-09-05 | Coating to base adhesion strength determination method |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU909630A1 (en) |
-
1980
- 1980-09-05 SU SU802979145A patent/SU909630A1/en active
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