Manufacturing method of titanium bronze alloy cast ingot

A technology for alloy ingot and titanium bronze, which is applied in the field of preparation of titanium bronze alloy ingot, can solve problems such as the inability to completely eliminate macrosegregation, achieve good application prospects, reduce superheat and increase the effect of fine grain rate
CN111992684AInactive Publication Date: 2020-11-27宁波博威新材料有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
宁波博威新材料有限公司
Publication Date
2020-11-27
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a manufacturing method of a titanium bronze alloy cast ingot. The titanium bronze alloy cast ingot is manufactured through vacuum melting and semi-continuous casting, and electromagnetic stirring operation is adopted for auxiliary production in the vacuum melting process and the semi-continuous casting process. In the vacuum melting process, the vacuum degree is controlledto range from 10<-3>Pa to 10Pa, and the vacuum melting temperature is controlled to range from 1100 DEG C to 1400 DEG C. In the semi-continuous casting process, the pull casting temperature is controlled to range from 1000 DEG C to 1200 DEG C, and the pull casting speed is controlled to range from 20mm / min to 120mm / min. According to the manufacturing method of the titanium bronze alloy cast ingot,by means of the optimized manufacturing technology, the macrosegregation tendency of titanium bronze alloy is controlled, the macrosegregation rate of the titanium bronze alloy cast ingot is controlled to be 8% or below, the dispersion coefficient of the vickers hardness of the cross section of a finished strip is smaller than or equal to 7%, the comprehensive performance of the titanium bronze alloy cast ingot is obviously improved, the production cost of the titanium bronze alloy cast ingot is reduced, and the good application prospect is provided for titanium bronze alloy products.
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Description

technical field

[0001] The invention belongs to the field of nonferrous metal processing, in particular to a method for preparing a titanium bronze alloy ingot. Background technique

[0002] Copper alloys have been widely used in engineering because of their excellent electrical and thermal conductivity. Among them, the high-strength elastic copper alloy is often used to manufacture conductive elastic components in various fields due to its elastic properties at the same time, such as electronics, communications, automobiles, medical, aerospace and other fields. With the continuous development of technology, the use and working conditions of high-strength elastic copper alloys are becoming more and more complex and diverse, and the market demand for their comprehensive properties is also increasing; in addition to elastic properties, derivatives include wear resistance and corrosion resistance. , high temperature softening resistance and other performance requirements. [...

Claims

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