JPH0155063B2 - - Google Patents
Info
- Publication number
- JPH0155063B2 JPH0155063B2 JP59022498A JP2249884A JPH0155063B2 JP H0155063 B2 JPH0155063 B2 JP H0155063B2 JP 59022498 A JP59022498 A JP 59022498A JP 2249884 A JP2249884 A JP 2249884A JP H0155063 B2 JPH0155063 B2 JP H0155063B2
- Authority
- JP
- Japan
- Prior art keywords
- calcia
- thermal expansion
- heat
- investment material
- expandability
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 34
- 239000000292 calcium oxide Substances 0.000 claims description 28
- 235000012255 calcium oxide Nutrition 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 21
- 229910019142 PO4 Inorganic materials 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 8
- 239000010452 phosphate Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 description 17
- 239000000956 alloy Substances 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 8
- 238000005266 casting Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000000788 chromium alloy Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 238000005495 investment casting Methods 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910016569 AlF 3 Inorganic materials 0.000 description 1
- -1 AlF 3 Chemical class 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
- B22C1/08—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for decreasing shrinkage of the mould, e.g. for investment casting
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59022498A JPS60166140A (ja) | 1984-02-08 | 1984-02-08 | リン酸塩系埋没材 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59022498A JPS60166140A (ja) | 1984-02-08 | 1984-02-08 | リン酸塩系埋没材 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60166140A JPS60166140A (ja) | 1985-08-29 |
| JPH0155063B2 true JPH0155063B2 (fr) | 1989-11-22 |
Family
ID=12084405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59022498A Granted JPS60166140A (ja) | 1984-02-08 | 1984-02-08 | リン酸塩系埋没材 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60166140A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4702304A (en) * | 1986-11-03 | 1987-10-27 | General Motors Corporation | Foundry mold for cast-to-size zinc-base alloy |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS492655A (fr) * | 1972-04-24 | 1974-01-10 | ||
| JPS5215442A (en) * | 1975-07-25 | 1977-02-05 | Comex | Underwater welding process and device thereof |
| JPS572421A (en) * | 1980-06-04 | 1982-01-07 | Honda Motor Co Ltd | Internal combustion engine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS492655B1 (fr) * | 1970-12-30 | 1974-01-22 | ||
| JPS5215442B2 (fr) * | 1974-08-24 | 1977-04-30 | ||
| JPS5132423A (en) * | 1974-09-14 | 1976-03-19 | Nissan Chemical Ind Ltd | Igata no sakuseiho |
-
1984
- 1984-02-08 JP JP59022498A patent/JPS60166140A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS492655A (fr) * | 1972-04-24 | 1974-01-10 | ||
| JPS5215442A (en) * | 1975-07-25 | 1977-02-05 | Comex | Underwater welding process and device thereof |
| JPS572421A (en) * | 1980-06-04 | 1982-01-07 | Honda Motor Co Ltd | Internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60166140A (ja) | 1985-08-29 |
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