Title:
RARE EARTH TUNGSTEN ALLOY CRUCIBLE AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2018/201702
Kind Code:
A1
Abstract:
A rare earth tungsten alloy crucible and a manufacturing method thereof. The rare earth tungsten alloy crucible comprises, in mass percent, 1.3-2.5% of lanthanum oxide and 97.5-98.7% of tungsten. The manufacturing method comprises the following steps: step (1): preparing a rare earth tungsten alloy, step (2): preparing a rare earth tungsten alloy crucible blank, and step (3): preparing a finished product. The rare earth tungsten alloy crucible has excellent high-temperature mechanical properties and high creep resistance, tensile strength, toughness, and durability, thereby reducing the usage cost.
Inventors:
MIU GUOFENG (CN)
Application Number:
PCT/CN2017/112281
Publication Date:
November 08, 2018
Filing Date:
November 22, 2017
Export Citation:
Assignee:
HESHAN WODE TUNGSTEN & MOLYBDENUM CO LTD (CN)
International Classes:
C22C27/04; B22F3/04; B22F3/10; B22F9/22; C22C1/05; C22C1/10; C22C32/00
Foreign References:
| CN107190195A | 2017-09-22 | |||
| CN105618768A | 2016-06-01 | |||
| CN104439763A | 2015-03-25 | |||
| CN104789844A | 2015-07-22 | |||
| CN105518169A | 2016-04-20 | |||
| CN103350227A | 2013-10-16 | |||
| US5590386A | 1996-12-31 | |||
| CN104289714A | 2015-01-21 | |||
| CN1442259A | 2003-09-17 | |||
| JP2011127839A | 2011-06-30 |
Attorney, Agent or Firm:
BEIJING UTC LIANFENG INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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