CN105316605A - Thermal-treatment method for preventing formation of water stains on surface of aluminum alloy - Google Patents
Thermal-treatment method for preventing formation of water stains on surface of aluminum alloy Download PDFInfo
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- CN105316605A CN105316605A CN201410293412.9A CN201410293412A CN105316605A CN 105316605 A CN105316605 A CN 105316605A CN 201410293412 A CN201410293412 A CN 201410293412A CN 105316605 A CN105316605 A CN 105316605A
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Abstract
A thermal-treatment method for preventing formation of water stains on the surface of aluminum alloy relates to the technical field of thermal-treatment of aluminum alloy. The method includes the steps of pre-heating a treatment furnace in certain degree, and performing pre-absorption to high-temperature water vapor in the treatment furnace with waste materials so that no high-temperature water vapor is formed on the raw material for thermal-treatment when being fed into the treatment furnace. The method greatly increases the surface brightness and improves surface anti-corrosion performance of the aluminum alloy material.
Description
Technical field:
The present invention relates to field of aluminum alloy heat treatment technology, be specifically related to a kind of aluminum alloy surface that prevents and form water stain heat treating method.
Background technology:
Aluminium alloy is a most widely used class non-ferrous metal structured material in industry, widely applies in Aeronautics and Astronautics, automobile, machinofacture, boats and ships and chemical industry.
Aluminium alloy density is low, but strength ratio is higher, close to or exceed high-quality steel, plasticity is good, can be processed into various section bar, has excellent electroconductibility, thermal conductivity and corrosion stability, industrially widely uses, and usage quantity is only second to steel.Some aluminium alloys can adopt thermal treatment to obtain good mechanical property, physicals and corrosion resistance.
Aluminium alloy is when heating by combustion gas, steam can be produced during burning, the steam of high temperature runs into cold aluminium alloy extrusions, water droplet can be formed in Surface of profile liquefaction, ion in water droplet can react in aluminum alloy surface and aluminium, form the compound of aluminium, be exactly our usually said aluminum alloy surface water spots, affect outward appearance and the erosion resistance of aluminium alloy extrusions.
Summary of the invention:
The object of this invention is to provide a kind of aluminum alloy surface that prevents and form water stain heat treating method, before aluminium alloy is heat-treated, first by the method for preheating, the superheated vapor in process stove being inhaled in advance, can be good at like this when avoiding cold product to enter stove, causing product surface to produce corrosion because meeting superheated vapor liquefaction.
In order to solve the problem existing for background technology, the present invention is by the following technical solutions: its treatment process is: first empty for aluminium alloy heating treatmentfurnace stove is heated up, temperature is raised to and exceeds about 100 degree than the temperature of processing requirement, turn off heating gun, then some waste materials are loaded in stove, superheated vapor runs into cold waste material and can liquefy rapidly, water droplet is formed at scraped surface, the whole post liquefaction of superheated vapor in stove, and after in-furnace temperature is cooled to the temperature of processing requirement, again waste material is released stove, rapidly heat treated for needs product being loaded in stove utilizes waste heat to heat up, because there is no steam in stove, so product surface does not have water stain formation, by the time in stove product temperature more than 100 degree after, open heater heats again, product internal temperature is now more than 100 degree, superheated vapor cannot liquefy at product surface, so can not be formed water stain.
The present invention has following beneficial effect: first process stove is carried out certain preheating, then the superheated vapor of waste material to inside is utilized to inhale in advance, thus make heat treatment of raw materials can not form superheated vapor again after entering process stove, greatly improve the surface brightness of aluminum alloy materials and enhance the surface corrosion resistance of aluminum alloy materials.
Embodiment:
This embodiment is by the following technical solutions: it is first empty for aluminium alloy heating treatmentfurnace stove intensification, temperature is raised to and exceeds about 100 degree than the temperature of processing requirement, turn off heating gun, then some waste materials are loaded in stove, superheated vapor runs into cold waste material and can liquefy rapidly, water droplet is formed at scraped surface, the whole post liquefaction of superheated vapor in stove, and after in-furnace temperature is cooled to the temperature of processing requirement, again waste material is released stove, rapidly heat treated for needs product being loaded in stove utilizes waste heat to heat up, because there is no steam in stove, so product surface does not have water stain formation, by the time in stove product temperature more than 100 degree after, open heater heats again, product internal temperature is now more than 100 degree, superheated vapor cannot liquefy at product surface, so can not be formed water stain.
This embodiment has following beneficial effect: first process stove is carried out certain preheating, then the superheated vapor of waste material to inside is utilized to inhale in advance, thus make heat treatment of raw materials can not form superheated vapor again after entering process stove, greatly improve the surface brightness of aluminum alloy materials and enhance the surface corrosion resistance of aluminum alloy materials.
Claims (1)
1. one kind prevents aluminum alloy surface from forming water stain heat treating method, it is characterized in that its processing method is: first empty for aluminium alloy heating treatmentfurnace stove is heated up, temperature is raised to and exceeds about 100 degree than the temperature of processing requirement, turn off heating gun, then some waste materials are loaded in stove, superheated vapor runs into cold waste material and can liquefy rapidly, water droplet is formed at scraped surface, the whole post liquefaction of superheated vapor in stove, and after in-furnace temperature is cooled to the temperature of processing requirement, again waste material is released stove, rapidly heat treated for needs product being loaded in stove utilizes waste heat to heat up, because there is no steam in stove, so product surface does not have water stain formation, by the time in stove product temperature more than 100 degree after, open heater heats again, product internal temperature is now more than 100 degree, superheated vapor cannot liquefy at product surface, so can not be formed water stain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410293412.9A CN105316605A (en) | 2014-06-24 | 2014-06-24 | Thermal-treatment method for preventing formation of water stains on surface of aluminum alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410293412.9A CN105316605A (en) | 2014-06-24 | 2014-06-24 | Thermal-treatment method for preventing formation of water stains on surface of aluminum alloy |
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| CN105316605A true CN105316605A (en) | 2016-02-10 |
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| CN201410293412.9A Pending CN105316605A (en) | 2014-06-24 | 2014-06-24 | Thermal-treatment method for preventing formation of water stains on surface of aluminum alloy |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709444A (en) * | 2009-12-18 | 2010-05-19 | 中国铝业股份有限公司 | Thermal treatment method for lead-free aluminum alloy |
| CN101736212A (en) * | 2008-11-26 | 2010-06-16 | 苏州有色金属研究院有限公司 | Heat treatment method of aluminum-based composite material with corrosion resistance, high strength and high modulus |
| CN102031427A (en) * | 2009-09-29 | 2011-04-27 | 贵州铝厂 | Cr-Tm aluminum alloy material with high strength and heat resistance and preparation method thereof |
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2014
- 2014-06-24 CN CN201410293412.9A patent/CN105316605A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736212A (en) * | 2008-11-26 | 2010-06-16 | 苏州有色金属研究院有限公司 | Heat treatment method of aluminum-based composite material with corrosion resistance, high strength and high modulus |
| CN102031427A (en) * | 2009-09-29 | 2011-04-27 | 贵州铝厂 | Cr-Tm aluminum alloy material with high strength and heat resistance and preparation method thereof |
| CN101709444A (en) * | 2009-12-18 | 2010-05-19 | 中国铝业股份有限公司 | Thermal treatment method for lead-free aluminum alloy |
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Application publication date: 20160210 |