Device for assisting solid solution heat treatment of metal component through pulse current

A technology of solution heat treatment and auxiliary metal, applied in heat treatment furnaces, heat treatment equipment, furnaces, etc., can solve the problems of not considering the insulation between metal components and the high temperature furnace body, the high temperature furnace cannot be used directly, and the residual stress is low. , to achieve the effect of good solid solution effect, simple and convenient pulling and plugging, and low residual stress
CN108103296AActive Publication Date: 2018-06-01CENT SOUTH UNIV
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
CENT SOUTH UNIV
Publication Date
2018-06-01

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Abstract

The invention provides a device for assisting solid solution heat treatment of a metal component through pulse current. The device comprises a support and a bearing frame. The support is arranged in ahearth of a high-temperature solid solution furnace. The bearing frame comprises a frame and insulation rods. The center area of the frame is set to be of a hollow structure, and protruding edges with the top faces lower than the top faces of frame strips are arranged on the inner side walls of a pair of parallel frame edges of the frame. Conductive blocks are fixed to the top faces of the insulation rods. The two conductive blocks are connected with two poles of a pulse power source correspondingly. The two ends of the metal component are in lap joint to the conductive blocks corresponding to the two insulation rods, and the positions of the two insulation rods can be moved on the protruding edges. A pulse current loop is formed by the pulse power source, a wire, the conductive blocks and the metal component for studying the influences of the pulse current on a material microstructure in the metal component solid solution heat treatment process and whether dissolving of indissolvablesolute atoms can be promoted or not; and the device is simple, convenient and reliable to use, cost is low, and the test reliability and accuracy are improved.
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Description

technical field

[0001] The invention relates to the technical field of heat treatment of metal materials assisted by external field control, in particular, to a device for pulse current assisted solid solution heat treatment of metal components. Background technique

[0002] The solid solution heat treatment of metal refers to the dissolution of solute atoms in the alloy into the matrix by high temperature heating, followed by rapid cooling to inhibit the re-precipitation of the strengthening phase during cooling, so as to obtain a supersaturated metal ( Such as aluminum) is the ฮฑ-solid solution of the matrix, which prepares the microstructure for the next step of precipitation aging strengthening.

[0003] In order to explore the influence of different heat treatment aging processes on the properties of metal materials, the metal materials are generally subjected to solution heat treatment before heat treatment aging (such as creep aging process), so that the metal material...

Claims

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