Method for preparing molybdenum-copper alloy blanks through continuous sintering

A molybdenum-copper alloy and billet technology, which is applied in the field of continuous sintering to prepare molybdenum-copper alloy billets, can solve problems such as shortening the production process, and achieve the effects of shortening the production process, improving production efficiency, and saving energy

CN104308151AActive Publication Date: 2015-01-28XIAN REFRA TUNGSTEN & MOLYBDENUM

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner: XIAN REFRA TUNGSTEN & MOLYBDENUM
Publication Date: 2015-01-28

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Abstract

The invention discloses a method for preparing molybdenum-copper alloy blanks through continuous sintering. The method includes the steps of firstly, placing copper blocks in the lower-section cavity of a sintering crucible die cavity; secondly, placing molybdenum compression blanks in the middle-section cavity of the sintering crucible die cavity; thirdly, vertically placing the sintering crucible with the copper blocks and the molybdenum compression blanks into a sintering furnace for sintering, naturally cooling, and removing copper covering the surfaces after discharging to obtain the molybdenum-copper alloy blanks. The method has the advantages that the principle that the molybdenum compression blanks shrink during high-temperature sintering is fully utilized, the internal structure and size of the sintering crucible die cavity are ingeniously designed according to the size variation quantity of the molybdenum compression blanks, the molybdenum compression blanks after the high-temperature sintering can smoothly slide into molten copper, then furnace temperature is controlled to be in a range suitable for infiltration, continuity of the high-temperature pre-sintering and the infiltration is achieved, production flow is shortened, energy is saved, and production efficiency is increased.

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Description

technical field

[0001] The invention belongs to the technical field of molybdenum-copper alloy blank preparation, and in particular relates to a method for preparing molybdenum-copper alloy blank by continuous sintering. Background technique

[0002] Molybdenum-copper alloy is a pseudo-alloy composed of molybdenum and copper, which are mutually insoluble metals. Therefore, it has both the excellent properties of metal Mo and Cu, and has the advantages of high temperature resistance, ablation resistance, high thermal conductivity and low thermal expansion coefficient, and is widely used in electrical contacts, electrode materials, electronic packaging, thermal deposition, etc. Materials and nozzles for rockets, and components for aircraft linings. Especially compared with tungsten copper materials with similar functions and properties, it has the advantage of low density, so it meets the requirements of special fields such as aerospace.

[0003] Due to the large difference ...

Claims

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