Method and device for treating surface oxide of tungsten material at normal temperature

A technology of surface oxide and treatment device, applied in the field of treatment of surface oxide of tungsten material at room temperature, can solve problems such as affecting the dimensional accuracy of tungsten material processing

Inactive Publication Date: 2012-07-18
ZHUZHOU HARD ALLOY GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this treatment method keeps the tungsten material in an environment of 500°C, and the processed tungsten material is prone to processing springback in this temperature environment, which greatly affects the processing dimensional accuracy of the tungsten material.

Method used

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  • Method and device for treating surface oxide of tungsten material at normal temperature
  • Method and device for treating surface oxide of tungsten material at normal temperature
  • Method and device for treating surface oxide of tungsten material at normal temperature

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Embodiment Construction

[0013] The present invention will be further described below in combination with specific embodiments and accompanying drawings.

[0014] Such as Figure 1 to Figure 3 According to the size of the tungsten material to be processed, a treatment device of a suitable size is made, mainly including a soaking tank 1 and a cover plate 2, and a support plate 3 with an axial through hole is set at the horizontal position in the middle of the soaking tank; The bottom is provided with a liquid outlet; the liquid outlet at the bottom of the soaking tank is provided with a valve 4, and an observation window 6 is provided along the axial direction of the wall of the soaking tank 1, so that it is very convenient to replace and discharge the soaking liquid, and it is also very convenient to observe The amount of soaking liquid. The cover plate 2 can also be provided with an axial through hole that can be assembled with a sealing plug 5, so that the soaking liquid can be injected from the c...

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Abstract

The invention discloses a method for treating a surface oxide of a tungsten material at normal temperature. The method sequentially comprises the following steps of: preparing a soaking solution by ammonia water and oxydol at a mass volume percentage of (9:1)-(5:5); soaking the tungsten material to be treated in the soaking solution for 3-12h; taking out the soaked tungsten material and cleaning in clear water; and removing water on the surface of the treated tungsten material. The device for treating the surface oxide of the tungsten material at the normal temperature comprises a soaking tank, a cover plate and a supporting plate, wherein the soaking tank is of a reverse circular truncated cone structure with a larger upper part and a small lower part, the supporting plate is arranged at a middle horizontal position of the soaking tank and is provided with an axial through hole, a liquid outlet and a valve are arranged at the bottom of the soaking tank, and an observation window is arranged on the wall of the soaking tank. According to the method and device for treating the surface oxide of the tungsten material at normal temperature, disclosed by the invention, on the premise of ensuring an effect of removing the surface oxide, the size precision of following tungsten material treatment is further ensured.

Description

technical field [0001] The invention relates to the treatment of oxides on the surface of tungsten materials, in particular to a method and a device for treating oxides on the surface of tungsten materials at normal temperature. Background technique [0002] Due to the characteristics of tungsten material itself, its hardness is very high, and the plastic-brittle transition temperature is relatively high, so tungsten material processing is often a kind of thermal processing. During the thermal processing of tungsten materials, oxides are easily produced on the surface, which is a mixed oxide mainly composed of tungsten trioxide and tungsten dioxide. It affects the use effect and surface quality of tungsten materials, so it must be removed in time. The usual treatment method is to put the tungsten material into the molten alkali. However, this treatment method keeps the tungsten material in an environment of 500°C, and the processed tungsten material is prone to processing s...

Claims

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Application Information

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IPC IPC(8): C23G1/20
Inventor 李家旺李鹏廖彬彬王军
Owner ZHUZHOU HARD ALLOY GRP CO LTD
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