Metal melt treatment method and device based on power ultrasound and pressure coupling

A metal melt and processing method technology, which is applied in the field of metal melt processing based on power ultrasonic and pressure coupling, can solve the problems of inconspicuous metal melt efficiency, improve safety and stability, improve efficiency and speed, The effect of improving the sealing effect

Active Publication Date: 2014-10-08
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a metal melt processing

Method used

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  • Metal melt treatment method and device based on power ultrasound and pressure coupling
  • Metal melt treatment method and device based on power ultrasound and pressure coupling

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] In this embodiment, a metal melt processing method based on power ultrasonic and pressure coupling includes the following steps:

[0034] (1) Preheat the mold cavity until the temperature of the inner surface of the mold cavity wall reaches 250°C; the material of the mold cavity is H13 steel, lubricated with graphite oil;

[0035] (2) After heating the metal melt to the preset temperature, pour it into the mold cavity, and turn on the heat preservation heater at the same time to keep the mold cavity warm;

[0036] Among them, the preset temperature of the metal melt is in the temperature range of 10-100°C above the liquidus line; when the heat preservation heater heats the mold cavity, the temperature of the inner side of the mold cavity is kept at 500-550°C;

[0037] (3) The punch of the hydraulic press applies pressure to the metal melt, and at the same time, the power ultrasonic generator performs power ultrasonic vibration on the metal melt; through the cooperative ...

Embodiment 2

[0041] In this embodiment, a metal melt processing device based on power ultrasonic and pressure coupling for the method described in Embodiment 1, such as figure 1As shown, including mold cavity 1, heat preservation heater 2, punch 3 and power ultrasonic generator, metal melt 4 is placed in the mold cavity, the cavity wall of the mold cavity is provided with heat preservation heater, and the punch is set Above the mold cavity, after the power ultrasonic generator passes through the wall of the mold cavity, it is inserted into the molten metal from the side of the mold cavity.

[0042] The power ultrasonic generator includes ultrasonic transducer 5, ultrasonic horn 6 and ultrasonic introduction rod 7 connected in sequence, the end of the ultrasonic introduction rod has a rod tip, and after the rod tip passes through the cavity wall of the mold cavity, it passes through the cavity wall of the mold cavity. The sides of the cavity are inserted into the metal melt.

[0043] A sea...

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Abstract

The invention discloses a metal melt treatment method and device based on power ultrasound and pressure coupling. The method comprises the steps that a power ultrasound generator and a punch apply the power ultrasound and pressure to metal melt at the same time, and the physical structure of the metal melt is changed through the synergistic coupling effect between the pressure and the power ultrasound. The device comprises a mold cavity, a muff heater, the punch and the power ultrasound generator. The metal melt is placed in the mold cavity. The muff heater is arranged in the wall of the mold cavity. The punch is arranged above the mold cavity. The power ultrasound generator penetrates through the wall of the mold cavity and then is inserted into the metal melt from the side face of the mold cavity. Although the principle is simple, the efficiency and rate of metal melt treatment can be enhanced; the organizational form and performance of the metal melt are effectively improved, and the problem that the efficiency of metal melt treatment is low under a single physical field is solved; the metal melt treatment method is a large-scale treatment method suitable for industrialization and has high technology application and popularization value.

Description

technical field [0001] The invention relates to the technical field of metal material processing, in particular to a metal melt processing method and device based on power ultrasonic and pressure coupling. Background technique [0002] Research at home and abroad has shown that the treatment method of applying physical fields to the metal melt to be treated during the solidification process has gradually become one of the important technological means to improve material properties; A technology that applies one or more composite physical fields to the metal melt and utilizes the interaction between the metal and the physical field to improve its solidification process and organizational properties; this technology is easy to operate and will not cause harm to the metal melt and the environment pollute. [0003] At present, the methods of applying physical fields to the metal melt to be treated mainly include the following: (1) performing power ultrasonic treatment during t...

Claims

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Application Information

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IPC IPC(8): B22D27/11B22D27/20
Inventor 张卫文张杨邱诚罗宗强罗执
Owner SOUTH CHINA UNIV OF TECH
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