CN203960266U - A kind of thermal treatment unit that prevents Mg alloy surface oxidation - Google Patents
A kind of thermal treatment unit that prevents Mg alloy surface oxidation Download PDFInfo
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- CN203960266U CN203960266U CN201420377824.6U CN201420377824U CN203960266U CN 203960266 U CN203960266 U CN 203960266U CN 201420377824 U CN201420377824 U CN 201420377824U CN 203960266 U CN203960266 U CN 203960266U
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- magnesium oxide
- oxide powder
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- steel vessel
- magnesium
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Abstract
A kind of thermal treatment unit that prevents Mg alloy surface oxidation, belong to metallic substance and metallurgical technology field, in Steel Vessel, lay thickness is more than or equal to the magnesium oxide powder of 10mm, magnesium alloy ingot to be heated is put into Steel Vessel and cover completely with magnesium oxide powder, burying depth is more than or equal to 30mm; By magnesium oxide powder compacting, thereby make ingot casting and air insulated; The powdered graphite that is 3-5mm in magnesium oxide Surface mulch a layer thickness adds a steel top cover in graphite linings, plays the effect of further isolated air; The Steel Vessel of placing ingot casting, magnesium oxide powder and powdered graphite is sent in resistance furnace and heat-treated.The thermal treatment unit that the utility model provides, can effectively prevent that casting of magnesium alloy ingot surface is oxidized in heat treatment process, and have advantages of that simple in structure, easy handling, cost are low, be a kind of can to promote in industrial production for magnesium alloy heat-treating apparatus.
Description
Technical field
The utility model belongs to metallic substance and metallurgical technology field, particularly a kind of thermal treatment unit that prevents Mg alloy surface oxidation.
Background technology
Magnesium alloy is as the lightest structural metallic materials, there is high specific tenacity and specific rigidity, the castability of excellence and high damping vibration-proof performance, be easy to recycle, there is environmental protection characteristic, prospect has a very wide range of applications, be subject to the favor of the industries such as aerospace, telecommunications and automotive industry, become one of potential structural metallic materials of tool.
In magnesium alloy, be generally all added with more alloying element (Al, Zn, RE, Ca, Sr, Mn etc.), in process of setting, there is component segregation, thermal treatment can improve microstructure and the performance of magnesium alloy effectively, thermal treatment can alleviate the casting stress of inside ingot, eliminate component segregation, the microstructure segregation of ingot casting, alleviate the detrimentally affect of low melting point phase alloy strength relative to fragility and plasticity, and can promote being uniformly distributed of alloying element.For solubility with temperature in magnesium alloy, reduce and the elements such as significantly reduced Al, Zn and RE, solid-solution and aging heat treatment is the prerequisite that these alloying elements form precipitation strength.But because the chemical property of magnesium alloy is very active, very easily with airborne oxygen generation chemical reaction, the feature that magnesium alloy this is easy to oxidizing fire has been brought very large difficulty to the thermal treatment of magnesium alloy.Therefore, explore a kind of simple in structure, easy handling, the thermal treatment unit that effectively prevents magnesium alloy ingot surface oxidation that cost is low is one of magnesium alloy research and development problem demanding prompt solution.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of simple in structure, easy handling, the thermal treatment unit that prevents Mg alloy surface oxidation that cost is low.
The technical scheme that the utility model adopts is: a kind of thermal treatment unit that prevents Mg alloy surface oxidation, be provided with a Steel Vessel, in the inner chamber of Steel Vessel, be provided with from bottom to up magnesium oxide powder layer and powdered graphite layer, and be enclosed with magnesium alloy ingot in magnesium oxide powder layer, distance >=30mm between the upper surface of the upper surface of described magnesium alloy ingot and magnesium oxide powder layer, the thickness of powdered graphite layer is 3-5mm, in the upper surface of powdered graphite layer, be provided with steel top cover, steel top cover is pressed on powdered graphite layer and magnesium oxide powder layer in the inner chamber of Steel Vessel.
Further optimize this scheme, the distance >=10mm between the lower surface of described magnesium alloy ingot and the bottom surface of the inner chamber of Steel Vessel.
The beneficial effects of the utility model are:
A kind of thermal treatment unit that prevents Mg alloy surface oxidation that the utility model provides, can effectively prevent from, in magnesium alloy ingot heat treatment process, surface oxidation occurs, have advantages of that simple in structure, easy handling, cost are low, be a kind of can to promote in industrial production for magnesium alloy heat-treating apparatus.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Reference numeral: 1, steel top cover, 2, Steel Vessel, 3, powdered graphite layer, 4, magnesium oxide powder layer, 5, magnesium alloy ingot.
Embodiment
below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, the present embodiment be take technical solutions of the utility model as prerequisite, provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in the figure, a kind of heat treating method device used that prevents Mg alloy surface oxidation, be provided with a Steel Vessel 2, in the inner chamber of Steel Vessel 2, be provided with from bottom to up magnesium oxide powder layer 4 and powdered graphite layer 3, and in magnesium oxide powder layer 4, be enclosed with magnesium alloy ingot 5, distance >=30mm between the upper surface of the upper surface of described magnesium alloy ingot 5 and magnesium oxide powder layer 4, the thickness of powdered graphite layer 3 is 3-5mm, in the upper surface of powdered graphite layer 3, be provided with steel top cover 1, steel top cover 1 is pressed on powdered graphite layer 3 and magnesium oxide powder layer 4 in the inner chamber of Steel Vessel 2.
Distance >=10mm between the bottom surface of the lower surface of described magnesium alloy ingot 5 and the inner chamber of Steel Vessel 2.
Technical process is as follows: have the machining of utilization and obtain Steel Vessel, the magnesium oxide powder that lay thickness is 10mm in Steel Vessel, magnesium alloy ingot to be heated is put into Steel Vessel, and with magnesium oxide powder, magnesium alloy ingot is covered completely, burying depth is 30mm, by magnesium oxide powder compacting, thereby make ingot casting and air isolated, the powdered graphite that is 4mm in magnesium oxide powder top layer uniform fold a layer thickness, in graphite linings, add a steel top cover, play the effect of further isolated air, to place ingot casting, the Steel Vessel of magnesium oxide powder and powdered graphite is sent in resistance furnace and is heat-treated.
In magnesium alloy ingot heat treatment process, magnesium oxide powder and steel top cover can completely cut off contacting of ingot casting and air effectively, powdered graphite can with airborne oxygen reaction, the oxidizing reaction that more effectively stops casting of magnesium alloy ingot surface to occur.
Claims (2)
1. a thermal treatment unit that prevents Mg alloy surface oxidation, it is characterized in that: be provided with a Steel Vessel, in the inner chamber of Steel Vessel, be provided with from bottom to up magnesium oxide powder layer and powdered graphite layer, and be enclosed with magnesium alloy ingot in magnesium oxide powder layer, distance >=30mm between the upper surface of the upper surface of described magnesium alloy ingot and magnesium oxide powder layer, the thickness of powdered graphite layer is 3-5mm, in the upper surface of powdered graphite layer, be provided with steel top cover, steel top cover is pressed on powdered graphite layer and magnesium oxide powder layer in the inner chamber of Steel Vessel.
2. a kind of thermal treatment unit that prevents Mg alloy surface oxidation according to claim 1, is characterized in that: the distance >=10mm between the lower surface of described magnesium alloy ingot and the bottom surface of the inner chamber of Steel Vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420377824.6U CN203960266U (en) | 2014-07-10 | 2014-07-10 | A kind of thermal treatment unit that prevents Mg alloy surface oxidation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420377824.6U CN203960266U (en) | 2014-07-10 | 2014-07-10 | A kind of thermal treatment unit that prevents Mg alloy surface oxidation |
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| Publication Number | Publication Date |
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| CN203960266U true CN203960266U (en) | 2014-11-26 |
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| CN201420377824.6U Expired - Fee Related CN203960266U (en) | 2014-07-10 | 2014-07-10 | A kind of thermal treatment unit that prevents Mg alloy surface oxidation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109740A (en) * | 2014-07-10 | 2014-10-22 | 河南科技大学 | Heat treatment method and device for preventing magnesium alloy from surface oxidation |
| CN105413774A (en) * | 2015-12-03 | 2016-03-23 | 西北工业大学 | Crucible for magnesium alloy solidification synchrotron radiation real-time imaging study and preparation method of crucible |
| CN108516546A (en) * | 2018-05-09 | 2018-09-11 | 中国铝业股份有限公司 | A kind of preparation method of activated carbon |
| CN110218850A (en) * | 2019-06-24 | 2019-09-10 | 鞍钢股份有限公司 | A kind of interleaving agent reducing orientation silicon steel high annealing edge bonding defect |
-
2014
- 2014-07-10 CN CN201420377824.6U patent/CN203960266U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109740A (en) * | 2014-07-10 | 2014-10-22 | 河南科技大学 | Heat treatment method and device for preventing magnesium alloy from surface oxidation |
| CN105413774A (en) * | 2015-12-03 | 2016-03-23 | 西北工业大学 | Crucible for magnesium alloy solidification synchrotron radiation real-time imaging study and preparation method of crucible |
| CN108516546A (en) * | 2018-05-09 | 2018-09-11 | 中国铝业股份有限公司 | A kind of preparation method of activated carbon |
| CN110218850A (en) * | 2019-06-24 | 2019-09-10 | 鞍钢股份有限公司 | A kind of interleaving agent reducing orientation silicon steel high annealing edge bonding defect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20150710 |
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| EXPY | Termination of patent right or utility model |