JPS6421018A - Filter medium for molten metal - Google Patents
Filter medium for molten metalInfo
- Publication number
- JPS6421018A JPS6421018A JP62176843A JP17684387A JPS6421018A JP S6421018 A JPS6421018 A JP S6421018A JP 62176843 A JP62176843 A JP 62176843A JP 17684387 A JP17684387 A JP 17684387A JP S6421018 A JPS6421018 A JP S6421018A
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- filter media
- molding
- binder
- ingot
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Filtering Materials (AREA)
- Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
PURPOSE:To prevent a molten metal which is filtered from being contaminated by the binder component of filter media by molding specific high boiling aggregate grains by using the inorg. binder material having a specific compsn. and calcining the molding, thereby forming the filter media for the molten metal. CONSTITUTION:A defectless ingot is produced by filtering the metallic oxides and non-metallic inclusions such as small splinters of refractories in the molten metal at the time of casting the molten metal to the ingot. The filter media having fine open cells are produced as the filter media for the molten metal of this case by adding 4-20pts.wt. inorg. binder material consisting of a mixture composed of 15-80% B2O3, 2-60% Al2O3, and 5-50% MgO as the binder with 100pts.wt. aggregate particles of SiC, Si3N4, electro-cast alumina, and sintered alumina, molding the mixture and calcining the molding. Since SiO2 and CaO are not incorporated into the binder of the filter media, the intrusion of Si and CaO into the molten metal which is filtered and the generation of cracks and pinholes at the time of rolling the ingot are obviated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62176843A JPS6421018A (en) | 1987-07-15 | 1987-07-15 | Filter medium for molten metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62176843A JPS6421018A (en) | 1987-07-15 | 1987-07-15 | Filter medium for molten metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6421018A true JPS6421018A (en) | 1989-01-24 |
| JPH0586459B2 JPH0586459B2 (en) | 1993-12-13 |
Family
ID=16020800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62176843A Granted JPS6421018A (en) | 1987-07-15 | 1987-07-15 | Filter medium for molten metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6421018A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03254805A (en) * | 1990-03-02 | 1991-11-13 | Ngk Insulators Ltd | Filter material for molten aluminum |
-
1987
- 1987-07-15 JP JP62176843A patent/JPS6421018A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03254805A (en) * | 1990-03-02 | 1991-11-13 | Ngk Insulators Ltd | Filter material for molten aluminum |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0586459B2 (en) | 1993-12-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20071213 Year of fee payment: 14 |