Title:
CRUCIBLE DEVICE SUITABLE FOR USE IN SUPERGRAVITY DIRECTIONAL SOLIDIFICATION
Document Type and Number:
WIPO Patent Application WO/2021/047149
Kind Code:
A1
Abstract:
A crucible device suitable for use in supergravity directional solidification, comprising a crucible body (25) and a central cavity (25-1) provided on the crucible body, the main body of the crucible body being cylindrical, and the central cavity being filled with a metal sample; a plurality of cooling holes (25-2) provided around the central cavity, a temperature gradient adjustment block (25-3) being mounted in each cooling hole, and the temperature gradient adjustment block moving axially in the cooling hole; a positioning flange block (25-5) provided at the lower part of the crucible body, a plurality of heat dissipation grooves (25-6) being provided on the cylindrical surface of the outer periphery of the lower part of the positioning flange block; a plurality of heat radiating grooves (25-4) provided on the cylindrical surface of the outer periphery of the crucible body above the positioning flange block; one or two small through holes are provided on a side wall of the crucible body at the top surface of the positioning flange block as gas discharge holes (25-7), the gas discharge holes connecting the cooling holes to the outside of the crucible body in a buffer manner. The crucible device solves the problem that a temperature gradient is difficult to achieve during a supergravity directional solidification process, and has a simple structure and a high safety coefficient.
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Inventors:
WEI HUA (CN)
XIE YADAN (CN)
WANG JIANGWEI (CN)
LU SHILIANG (CN)
LIN WEIAN (CN)
ZHANG ZE (CN)
CHEN YUNMIN (CN)
XIE YADAN (CN)
WANG JIANGWEI (CN)
LU SHILIANG (CN)
LIN WEIAN (CN)
ZHANG ZE (CN)
CHEN YUNMIN (CN)
Application Number:
PCT/CN2020/076972
Publication Date:
March 18, 2021
Filing Date:
February 27, 2020
Export Citation:
Assignee:
UNIV ZHEJIANG (CN)
International Classes:
B22D23/06; B22D27/04; C30B11/00; C30B30/00
Foreign References:
| CN110523958A | 2019-12-03 | |||
| CN109358087A | 2019-02-19 | |||
| CN209264604U | 2019-08-16 | |||
| CN101844222A | 2010-09-29 | |||
| CN109295495A | 2019-02-01 | |||
| CN209010634U | 2019-06-21 | |||
| JP2010099599A | 2010-05-06 | |||
| US20030079675A1 | 2003-05-01 |
Attorney, Agent or Firm:
HANGZHOU QIUSHI PATENT OFFICE CO., LTD. (CN)
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