Medium-frequency unidirectional-vibration atmosphere sintering furnace

A sintering furnace, one-way technology, applied in the field of sintering furnace, can solve problems such as insufficient flexibility, and achieve the effects of reducing environmental pollution, low equipment cost, and improving density and mechanical properties

Inactive Publication Date: 2017-03-22
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, although the hot pressing and sintering pressing method of mechanical pressing is stable and reliable, it is not flexible enough.

Method used

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  • Medium-frequency unidirectional-vibration atmosphere sintering furnace

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. Such as figure 1 As shown, an intermediate frequency unidirectional vibration atmosphere sintering furnace includes a furnace body 9 with a pressure system, a temperature control system 1, an air control system 2, an electro-hydraulic servo system 3, an electric control system and a water circulation system 6; the furnace body 9 The upper part is provided with an upper pressure head 4, and the lower part is provided with a lower pressure head 5; the pressure system adopts a single-phase pressurization method, and the bottom of the lower pressure head 5 is provided with an electro-hydraulic servo pressure device 7 with adjustable frequency, amplitude and pressure. The electro-hydraulic servo pressing device 7 is connected to the electro-hydraulic servo system 3 .

[0022] The whole set of experimental device can be controlled through pa...

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Abstract

The invention discloses a medium-frequency unidirectional-vibration atmosphere sintering furnace. The medium-frequency unidirectional-vibration atmosphere sintering furnace comprises a furnace body with a pressure system. An upper pressing head is arranged on the upper portion of the furnace body, and a lower pressing head is arranged on the lower portion of the furnace body. An electro-hydraulic servo pressure application device with frequency, vibration amplitude and pressure adjustable is arranged at the bottom of the lower pressing head. The electro-hydraulic servo pressure application device is connected to an electro-hydraulic servo system. By means of the medium-frequency unidirectional-vibration atmosphere sintering furnace, particles can be pushed to be rearranged in the vibrating sintering process; volume shrinkage is accelerated; the purpose of rapid compacting is achieved; compactness and mechanical performance of sintered products are effectively improved; high-performance ceramic and powder metallurgical materials which are more excellent are obtained; in addition, sintering of high-performance ceramic and powder metallurgical products can be conducted under different types of atmosphere, and thus appropriate atmosphere media are selected according to the various different materials.

Description

technical field [0001] The invention relates to the technical field of sintering furnaces for preparing ceramics and metal materials by a hot-pressing sintering method, in particular to a medium-frequency unidirectional vibration atmosphere sintering furnace. Background technique [0002] Sintering is an essential material preparation method. At present, the methods for preparing materials mainly include traditional pressureless sintering, hot pressing, hot isostatic pressing, microwave sintering and spark plasma sintering. The realization of various sintering methods needs to rely on specific sintering furnaces. Among them, the hot press furnace is a kind of sintering furnace commonly used for sintering metal and ceramic materials. Hot press sintering furnace can sinter ceramics, metals and some refractory intermetallic compound powders in vacuum or protective atmosphere, so as to obtain materials with certain density and mechanical strength. The basic principle of hot pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B5/04F27B5/05F27B5/06F27B5/14F27B5/16
CPCF27B5/04F27B5/06F27B5/14F27B5/16F27B2005/064F27B2005/161F27M2003/04
Inventor 刘金铃高燕安立楠王一光刘佃光
Owner SOUTHWEST JIAOTONG UNIV
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