SU447213A1 - Thermal insulation coating for casting molds and cores - Google Patents
Thermal insulation coating for casting molds and coresInfo
- Publication number
- SU447213A1 SU447213A1 SU1928040A SU1928040A SU447213A1 SU 447213 A1 SU447213 A1 SU 447213A1 SU 1928040 A SU1928040 A SU 1928040A SU 1928040 A SU1928040 A SU 1928040A SU 447213 A1 SU447213 A1 SU 447213A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- cores
- thermal insulation
- casting molds
- insulation coating
- coating
- Prior art date
Links
- 239000011248 coating agent Substances 0.000 title description 6
- 238000000576 coating method Methods 0.000 title description 6
- 238000005266 casting Methods 0.000 title description 3
- 238000009413 insulation Methods 0.000 title description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 239000000945 filler Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- HWKQNAWCHQMZHK-UHFFFAOYSA-N Trolnitrate Chemical compound [O-][N+](=O)OCCN(CCO[N+]([O-])=O)CCO[N+]([O-])=O HWKQNAWCHQMZHK-UHFFFAOYSA-N 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910052851 sillimanite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
1one
Изобретение относитс к литейному про иэводству, а именно к составам теплоизо- ЛЯ1ШОНЫЫХ покрытий дл литейных форм и стержней.The invention relates to foundry production, namely, to compositions of heat-insulating coatings for casting molds and cores.
По основному авт. св. № 357О23 извес теплоизол пшонное покрытие, содержащее в своем составе теплоизол ционный наполнитель , вес.%: Например асбест, шамот 14,According to the main author. St. № 357О23 izves heat-insulating pshonny covering containing heat-insulating filler in weight, wt.%: For example asbestos, chamotte 14,
Глина11,О-12,ОClay11, O-12, O
АлюмофосфатноеAluminophosphate
св зующее3,0.-6,Оbinder 3,0.-6, O
ВодаОстальноеWaterEverything
Однако такие покрыти имеют высокую газопроницаемость и поэтому при нанесеНИИ их на песчаные формы стержней повышаетс газонасыщенность отливок.However, such coatings have high gas permeability and, therefore, when they are applied to sandy cores, the gas saturation of the castings increases.
Цель изобретени - снизить газопроницаемость и повысить седиментационную устойчивость покрыти .The purpose of the invention is to reduce gas permeability and increase the sedimentation stability of the coating.
Это достигаетс тем, что в качестве теплоизол ционного наполнител в состав покрыти введены двуокись титана и дисте силлиманит при весовом соотношении между ними 1: 2.This is achieved by the fact that, as a thermal insulating filler, titanium dioxide and distemi-sillimanite are introduced into the coating with a weight ratio between them of 1: 2.
В качестве глинистой составл ющей цеесообразно вводить бентонит.As a clay component, it is advisable to introduce bentonite.
Состав покрыти следующий, вес.%: Порошкообразна смесь двуокиси титана и дистенсиллиманита в весовом соотношении 1:2 The composition of the coating is the following, wt%: Powdered mixture of titanium dioxide and distensillimanite in a weight ratio of 1: 2
14,0-17,0 Бентонит 11,0-12,014.0-17.0 Bentonite 11.0-12.0
Алюмофосфатное св зующее Aluminophosphate binder
3,О-6,0 Вода Остальное3, O-6.0 Water Else
Предмет изобретени Subject invention
Теплоизол ционное покрытие дл литейных форм и стержней по авт.св. №357023 отличающеес тем, что, с целью снижени газопроницаемости и повышени . седиментационной устойчивости покрыти , в качестве теплоизол ционного наполнител совместно введены двуокись титана и дистенсиллимакит при весовом соотношении между ними 1:2.Thermal insulation coating for casting molds and cores auth.St. No. 357023 is characterized in that, in order to reduce gas permeability and increase. sedimentation stability of the coating, as the insulating filler jointly introduced titanium dioxide and distensillimate, with a weight ratio between them of 1: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1928040A SU447213A1 (en) | 1973-05-29 | Thermal insulation coating for casting molds and cores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1928040A SU447213A1 (en) | 1973-05-29 | Thermal insulation coating for casting molds and cores |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU357023 Addition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SU447213A2 SU447213A2 (en) | 1974-10-25 |
| SU447213A1 true SU447213A1 (en) | 1974-10-25 |
Family
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