SU126950A1 - Test method plastics - Google Patents
Test method plasticsInfo
- Publication number
- SU126950A1 SU126950A1 SU618894A SU618894A SU126950A1 SU 126950 A1 SU126950 A1 SU 126950A1 SU 618894 A SU618894 A SU 618894A SU 618894 A SU618894 A SU 618894A SU 126950 A1 SU126950 A1 SU 126950A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- test method
- plastics
- method plastics
- bit
- tests
- Prior art date
Links
Landscapes
- Testing Relating To Insulation (AREA)
Description
Известны способы испытаний пластмасс. Однако они мало пригодны дл испытани пластмасс на стойкость к ползучим разр дам.Known methods of testing plastics. However, they are not very suitable for testing plastics for creep resistance.
Применение предлагаемого способа позвол ет устранить отмеченные недостатки: испытани производ т электрическими разр дами по заданной программе с постепенно повышающейс частотой (от низкой частоты ко все более высоким) при посто нстве энергии каждого единичного разр да.The application of the proposed method allows to eliminate the noted drawbacks: the tests are performed by electric discharges according to a given program with a gradually increasing frequency (from low frequency to ever higher) with constant energy of each bit.
Испытани (Производ тс по следующей схеме. Испытуемый, образец помещают между двум вольфрамовыми электродами, которые питаютс импульсами высокого напр жени от катушки зажигани , а в последней напр жение наводитс пр-и пробое тиратрона.Tests (Proceed as follows. The test sample is placed between two tungsten electrodes that are powered by high voltage pulses from the ignition coil, and in the latter the voltage is induced by the breakdown of the thyratron.
Дл обеспечени посто нства энергии каждого единичного разр да в схеме предусмотрено фазосмещающее устройство.A phase-shifting device is provided in the circuit to ensure the energy of each unit bit.
Искра между электродами усиливаетс трансформатором, соединенным с высоковольтной обмоткой катушки зажигани .The spark between the electrodes is amplified by a transformer connected to the high voltage winding of the ignition coil.
Частота разр дов может мен тьс от 188 1500 мин.Каждый разр д учитываетс счетчиком импульсов.The frequency of the bits may vary from 188 to 1500 minutes. Each bit is counted by a pulse counter.
При указанном способе испытаний получаютс устойчивые результаты с узкой величиной дисперсии, а также обеспечиваетс возможность дифференцированной оценки пластмасс.With this test method, stable results with a narrow dispersion value are obtained, and a differentiated evaluation of plastics is also possible.
Предмет изобретени Subject invention
Способ испытани пластмасс «а искростойкость при переменном токе, отличающийс тем, что, с целью определени их стойкости к действию ползучих разр дов, повышени чувствительности к их рецептурным изменени м, испытани производ т электрическими разр дами по заданной программе с постепенно повышающейс частотой прк посто нстве энергии каждого единичного разр да.Method of testing plastics "sparkle resistance under alternating current", characterized in that, in order to determine their resistance to creeping discharges, increase the sensitivity to their prescription changes, tests are performed by electric discharges according to a given program with a gradually increasing frequency energy of every single bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU618894A SU126950A1 (en) | 1959-02-07 | 1959-02-07 | Test method plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU618894A SU126950A1 (en) | 1959-02-07 | 1959-02-07 | Test method plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU126950A1 true SU126950A1 (en) | 1959-11-30 |
Family
ID=48398213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU618894A SU126950A1 (en) | 1959-02-07 | 1959-02-07 | Test method plastics |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU126950A1 (en) |
-
1959
- 1959-02-07 SU SU618894A patent/SU126950A1/en active
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