SU609738A1 - Coating for internal surface of iron crucibles - Google Patents
Coating for internal surface of iron cruciblesInfo
- Publication number
- SU609738A1 SU609738A1 SU752150759A SU2150759A SU609738A1 SU 609738 A1 SU609738 A1 SU 609738A1 SU 752150759 A SU752150759 A SU 752150759A SU 2150759 A SU2150759 A SU 2150759A SU 609738 A1 SU609738 A1 SU 609738A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- coating
- internal surface
- iron
- crucibles
- iron crucibles
- Prior art date
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Description
(54) ОБМАЗКА ДЛЯ ПОКРЫТИЯ ВНУТРЕННЕЙ ПОВЕРХНОСТИ ЧУГУННЫХ ТИГЛЕЙ(54) DRAWING FOR COATING THE INTERNAL SURFACE OF IRON TIGLES
Мочевина2jO 3,0Urea2jO 3.0
Кремнеф ористыйKremnef Piny
калий1,5 2,5potassium 1,5 2,5
Составгшк цие обмазок тщательно перемешивают , довод т путем добавки водыThe composition of the washings is thoroughly mixed, adjusted by adding water
до удепьного веса 1,84 скги затем аатт вают в керамические формочки, которые просушивают при температуре 1ОО С в теup to a specific weight of 1.84 scg then aatt is rolled into ceramic molds, which are dried at a temperature of 1OO C in those
чение 4 час.4 hour
Обмаака не имеет трещин.Obmaak has no cracks.
Обмазку нанос т на внутреннюю поверхность чугунного тигл и подвергшот отжигу в печи по режиму 6О-1 час, 1ОО-4 чac 120 - час, 200 - 2 час, ЗОО - 5 час, 60О - 5 час.The coating is applied to the inner surface of the cast-iron crucible and subjected to annealing in a furnace according to the mode 6O-1 hour, 1OO-4 hours 120 - hour, 200 - 2 hours, ZOO - 5 hours, 60O - 5 hours.
Пос1Ю отжига образцы подвергают испь тднию на сцепп емость обмазки с поверх ностью чугунных тиглей по следующему режиму: нагрев до 750-10 мин, охпажде ние воздухом до комнатной температуры 5 мин. После 1О циклов предложенна обмазк остаетс неизменной.After annealing, the samples are tested for adhesion of the coating to the surface of cast iron crucibles according to the following mode: heating for 750–10 min, cooling with air to room temperature for 5 min. After 1O cycles, the proposed coating remains unchanged.
Чугунные тигли, покрытые предпоженной обмазкой, погружают в жидкий алюминий :при температуре в течение ЗО час. :Гпубина коррозии чугунного тигл равна 0,7 мин, а при использовании известной обмазки 1,7 мм.Pig-iron crucibles covered with pre-coated plaster are immersed in liquid aluminum: at a temperature for 30 hours. : The corrosion of the cast iron crucible is 0.7 minutes, and when using the known plaster 1.7 mm.
Таким образом нова обмазка бопее {технологи 1На, обладает более высокими за-ч Thus, a new beepee coating {1Na technologists, has a higher for-h
щитными свойствами от рааьедаюгаего дейст ВИЯ расплава апкасиниа и по ностью искшо чает трещинообраасюание.The protective properties of the melting of apcasinium act as a radionuclide and completely eliminate cracking.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU752150759A SU609738A1 (en) | 1975-07-04 | 1975-07-04 | Coating for internal surface of iron crucibles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU752150759A SU609738A1 (en) | 1975-07-04 | 1975-07-04 | Coating for internal surface of iron crucibles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU609738A1 true SU609738A1 (en) | 1978-06-05 |
Family
ID=20624827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU752150759A SU609738A1 (en) | 1975-07-04 | 1975-07-04 | Coating for internal surface of iron crucibles |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU609738A1 (en) |
-
1975
- 1975-07-04 SU SU752150759A patent/SU609738A1/en active
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