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Method for manufacturing porous body

一种制造方法、多孔体的技术，应用在制造工具、陶瓷制品、铸造设备等方向，能够解决不能适用大量、大规模制造等问题，达到制造方法简单、简化构成、简化控制原理的效果

Inactive Publication Date: 2012-10-10
LOTUS ALLOY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since this method uses an ion accelerator to pass ionized gas into a plasma state into the melt, it is applicable to small-scale and small-scale production, but cannot be applied to large-scale and large-scale production.

Method used

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  • Method for manufacturing porous body
  • Method for manufacturing porous body
  • Method for manufacturing porous body

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0144] figure 1 It is a cross-sectional view schematically showing an example of the manufacturing apparatus of the porous body 101 used in the present invention. figure 1 The apparatus shown is provided with a heating part container 1 for heating and melting the raw material for forming a porous body, a solidification regulating part container 4 for cooling and solidifying the molten raw material 100, and a cooling part container 5 in the vertical direction. The heating part container 1 includes a crucible 6, a crucible plugging rod 7, an induction heating coil 13, a gas injection port 26, a gas discharge port 27, and a funnel 8. In addition, a driving unit 11 that pulls the container lid 2 and the crucible plug rod 7 upward is provided on the upper portion of the heating unit container 1.

[0145] First, the crucible plug rod 7 is lowered to the closed position, and after the raw material is loaded into the crucible 6, the container lid 2 is closed, and the inside is reduced to ...

Embodiment approach 2

[0150] figure 2 It is a diagram schematically showing an example of a vertical device for producing the porous continuous body 104 by the continuous casting method. figure 2 In the shown device, a heating vessel 1 for heating and melting the raw materials, a solidification adjusting part vessel 4, and a cooling part vessel 5 are provided in the vertical direction. The molten raw material 100 that has passed through the continuous casting mold 12 moves downward while being cooled, and solidifies to form a porous continuous body 104. In the cooling portion container 5, the auxiliary cooling portion 17 is continuously cooled by the cooling water 200 to increase the temperature gradient, so that the shape of the holes 103 continuously formed in the porous continuum 104 is kept uniform in the same direction. The porous continuous body 104 is pulled out downward.

[0151] The raw material that has been degassed is pre-loaded in the raw material supply part 14 provided in the upper pa...

Embodiment approach 3

[0154] image 3 It is a figure which shows typically an example of the horizontal apparatus which produces the porous continuous body 104 by a continuous casting method, and pulls it out in the horizontal direction. image 3 In the illustrated device, the heating part container 1 and the heat-retaining part container 3 are arranged in the vertical direction, and the solidification adjusting part container 4 and the cooling part container 5 including the auxiliary cooling part 17 are arranged in the horizontal direction. Heating method and figure 1 and figure 2 The devices shown are the same. The gas-generating compound 102 is supplied from the compound supply part 22 to the molten raw material 100 in the heat-retaining container 21 provided in the heat-retaining adjustment part container 3. At this time, the inert gas is introduced from the stirring portion 23 and the molten raw material is stirred, thereby promoting the decomposition of the gas generating compound 102.

[0155]...

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Abstract

Provided is a method for manufacturing a porous body characterized in that after dispersing a gas generating compound in a molten-state material for forming the porous body, the molten material is solidified. The high quality and highly uniform porous body can be manufactured even at an atmospheric pressure, without requiring high pressure ambience.

Description

Technical field [0001] The present invention relates to a method of manufacturing a porous body. Background technique [0002] As a method of manufacturing a porous body, a method of manufacturing a porous body by controlling the directionality, pore size, porosity, etc. of the pores is known. For example, it is reported that the mixed gas formed by adding inert gas such as argon and helium to hydrogen, nitrogen, oxygen, etc. is dissolved in the molten metal under pressurized conditions, and the temperature, pressure, cooling and solidification rate are controlled, etc. To produce a porous body (refer to Patent Documents 1 and 2 below). [0003] However, these methods cannot control the bubble nucleus used to grow the pores, so the nucleus formation becomes uneven and it is difficult to form uniform pores. In addition, in order to dissolve gas in molten metal under pressure, manufacturing in a pressure vessel is indispensable, so the operation becomes complicated and there are al...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/08B22D25/02C01B33/02C04B38/00C04B38/02
CPCC01B33/02B22D11/11B22D11/1213C04B38/0087C22C2001/086B22D41/186C22C1/08B22D11/00C22C1/086C04B38/02B22D25/02
Inventor 中岛英雄井手拓哉
Owner LOTUS ALLOY
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