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A Process for Promoting Metal Foaming Evenly Using Sinking Balls to Absorb Heat

A metal foaming and metal technology, which is applied in the field of metal foaming, can solve the problems of rapid withdrawal without cooling substances, and achieve the effects of controlling the rework rate of products, prolonging the foaming time, and controlling the rework rate.

Active Publication Date: 2019-11-29
ANHUI NEOFOUND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the metal foam casting technology, there is still no technology that can directly cast pure metal foam materials by inputting the cold material into the foaming melt to absorb heat and then withdrawing it quickly.

Method used

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  • A Process for Promoting Metal Foaming Evenly Using Sinking Balls to Absorb Heat
  • A Process for Promoting Metal Foaming Evenly Using Sinking Balls to Absorb Heat
  • A Process for Promoting Metal Foaming Evenly Using Sinking Balls to Absorb Heat

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Experimental program
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Effect test

Embodiment 1

[0029] see Figure 1-4 ;

[0030] A process for promoting uniform foaming of metals by using sinking balls to absorb heat, the steps are as follows:

[0031] (1) According to the size of the metal foaming melt, the required metal balls such as steel balls are processed into a low-temperature metal ball array 1 of a three-dimensional space structure for use; the volume of the low-temperature metal ball array 1 is designed according to the volume of the foaming mold, which can Easy to put into the foaming mold;

[0032] (2) Cool the whole body of the low-temperature metal ball array 1 prepared in step (1) to a set low temperature for use (the temperature should be calculated and determined according to the total amount of foamed melt, the temperature, the quality of the metal balls and the amount of heat to be absorbed );

[0033] (3) Prepare the cooling pool 2 synchronously. The length, width, and height of the cooling pool 2 are respectively about 1.5 times the length, widt...

Embodiment 2

[0040] see Figure 1-4 ;

[0041] A process for promoting the uniform foaming of metal by using sinking balls to absorb heat, the steps are as follows:

[0042] (1) According to the size of the metal foaming melt, the required metal balls such as steel balls are processed into a low-temperature metal ball array 1 of a three-dimensional space structure for use; the volume of the low-temperature metal ball array 1 is designed according to the volume of the foaming mold, which can Easy to put into the foaming mold;

[0043] (2) Cool the whole body of the low-temperature metal ball array 1 prepared in step (1) to a set low temperature for use. The specific method is to put the low-temperature metal ball 1 with a three-dimensional space structure into a freezing device for freezing, and the temperature is lower than -20 ℃, the freezing time is greater than 1 hour;

[0044] (3) Synchronously prepare the cooling pool 2. The length, width, and height of the cooling pool 2 are about...

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Abstract

The invention discloses a technology of utilizing ball precipitation to absorb heat to promote the uniform foaming of metals. According to the technology, low temperature metal balls are precipitatedin metal foamed melt, the low temperature metal balls absorb heat from the interior of the metal foamed melt, the interior of the metal foamed melt is quickly cooled to a critical freezing point; theflowing property of the metal foamed melt is reduced, then the metal balls are slowly moved out; the curing speed is controlled at a constant temperature, the foaming time is prolonged, the floating of bubbles is avoided, at the same time, the foaming of the metal foamed melt can be moved on, the layering of the metal foamed melt is reduced, the yield is increased, the return rate is controlled, and the casting cost is reduced.

Description

technical field [0001] The invention relates to the technical field of metal foaming, in particular to a process for promoting uniform foaming of metals by using sinking balls to absorb heat. Background technique [0002] Porous metal foam material is composed of metal skeleton and pores, which is a kind of functional material developed in recent years. Since its inception, as a structural material, it has the characteristics of light weight and high specific strength; as a functional material, it has many advantages such as porous, vibration reduction, damping, sound absorption, sound insulation, fire prevention, moisture resistance, heat dissipation, impact energy absorption, electromagnetic shielding, etc. This kind of good physical properties, combined with its characteristics of easy processing, easy installation, surface coating and recycling, meets the needs of current development, and has been more and more widely used in general industrial fields and high-tech field...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/08B22D25/00
CPCB22D25/005C22C1/08
Inventor 尚诚德
Owner ANHUI NEOFOUND TECH
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