JPS5617158A - Reinforcing method of ceramic shell mold - Google Patents
Reinforcing method of ceramic shell moldInfo
- Publication number
- JPS5617158A JPS5617158A JP9180579A JP9180579A JPS5617158A JP S5617158 A JPS5617158 A JP S5617158A JP 9180579 A JP9180579 A JP 9180579A JP 9180579 A JP9180579 A JP 9180579A JP S5617158 A JPS5617158 A JP S5617158A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- shell
- layers
- refractory material
- sanding
- 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.)
- Pending
Links
Landscapes
- Mold Materials And Core Materials (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE: To make strength higher by interposing reinforcing layers of high tensile strength and low coefficient of thermal expansion such as glass fibers between shell layers and firing these.
CONSTITUTION: In a ceramic shell mold reiteratively applied with shell layers by refractory material coating and sanding, the reinforcing layer II formed on the uppermost surface of the shell layer I is constituted by the layer IIb formed by coating a refractory material slurry coating layer 3 on the top surface of the final sanding layer 2 of the shell layer I and blowing fibrous materials of high tensile strength and low coefficient of thermal expansion, for example, glass fibers 4, on the top surface thereof and the shell layer IIa comprising the refractory material slurry coating layer and sanding layer on this tufted layer IIb. One or more layers of such reinforcing layers are provided in the entire layer of the shell mold. When the mold is molded and is fired at 950W1000°C after removing the pattern IV by extinction, the glass is melted and impregnates among the refractory material particles, thereby enhancing the strength.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9180579A JPS5617158A (en) | 1979-07-18 | 1979-07-18 | Reinforcing method of ceramic shell mold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9180579A JPS5617158A (en) | 1979-07-18 | 1979-07-18 | Reinforcing method of ceramic shell mold |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5617158A true JPS5617158A (en) | 1981-02-18 |
Family
ID=14036830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9180579A Pending JPS5617158A (en) | 1979-07-18 | 1979-07-18 | Reinforcing method of ceramic shell mold |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5617158A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003326335A (en) * | 2002-05-15 | 2003-11-18 | Howmet Research Corp | Reinforced shell mold and method |
CN102847875A (en) * | 2012-07-09 | 2013-01-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Shell making process method for vane directional solidification and alloy sand-burning prevention |
CN110434288A (en) * | 2019-08-26 | 2019-11-12 | 沃尔曼科技张家港有限公司 | A kind of fiber ceramics shell and preparation method thereof |
-
1979
- 1979-07-18 JP JP9180579A patent/JPS5617158A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003326335A (en) * | 2002-05-15 | 2003-11-18 | Howmet Research Corp | Reinforced shell mold and method |
JP4574954B2 (en) * | 2002-05-15 | 2010-11-04 | ハウメット リサーチ コーポレイション | Reinforced shell mold and method |
CN102847875A (en) * | 2012-07-09 | 2013-01-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Shell making process method for vane directional solidification and alloy sand-burning prevention |
CN110434288A (en) * | 2019-08-26 | 2019-11-12 | 沃尔曼科技张家港有限公司 | A kind of fiber ceramics shell and preparation method thereof |
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