CN103952611A - Attapulgite-containing refining agent for melting of magnesium alloy - Google Patents

Attapulgite-containing refining agent for melting of magnesium alloy Download PDF

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Publication number
CN103952611A
CN103952611A CN201410142867.0A CN201410142867A CN103952611A CN 103952611 A CN103952611 A CN 103952611A CN 201410142867 A CN201410142867 A CN 201410142867A CN 103952611 A CN103952611 A CN 103952611A
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CN
China
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parts
powder
attapulgite
magnesium alloy
refining agent
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CN201410142867.0A
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Chinese (zh)
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CN103952611B (en
Inventor
倪菲菲
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铜陵南江鑫钢实业有限公司
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Publication of CN103952611A publication Critical patent/CN103952611A/en
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Abstract

A disclosed attapulgite-containing refining agent for melting of magnesium alloy is prepared from the following raw materials in parts by weight: 8-10 parts of attapulgite, 2-4 parts of quartz sand nanometer powder, 12-15 parts of tool steel powder, 3-4 parts of barium oxide, 2-3 parts of boron oxide, 3-4 parts of calcium fluoride, 1-2 parts of manganese chloride, 2-3 parts of magnesium sulfate, 0.3-0.5 part of titanium sponge, 2-3 parts of nanometer silica, 1-2 parts of straw ash, 10-12 parts of sodium nitrate, 1-2 parts of vermiculite powder, 3-4 parts of cryolite, 5-7 parts of charcoal powder, 13-15 parts of hexachloroethane, 7-9 parts of chlorinated rare earth, 5-6 parts of zirconium tetrachloride and 4-6 parts of GaSi. According to the refining agent, titanium sponge, manganese chloride and boron oxide are capable of chemically reacting with element iron in melt for forming compounds, slagging and discharging, so that the content of iron element in magnesium alloy is substantially reduced; cryolite is beneficial for improving the slagging capability of a solvent; zirconium tetrachloride is beneficial for improving inclusion removing rate of alloy and improving the mechanical properties and the corrosion resistance of alloy; and CaSi helps to improve the capability of forming composite inclusions.

Description

A kind of magnesium alloy smelting refining agent that contains attapulgite
Technical field
The present invention relates to metal material processing technical field, relate in particular to a kind of magnesium alloy smelting refining agent that contains attapulgite.
Background technology
Magnesium alloy is structural metallic materials the lightest in practical application, there is the advantages such as high specific tenacity and specific rigidity, heat-conductivity conducting, electromagnetic wave shielding and Environmental compatibility are good, but there is the problem of poor corrosion resistance, magnesium chemical property is active, in magnesium alloy, often contain the impurity such as a large amount of oxide compounds, carbide and sulfide, these impurity significantly reduce mechanical property and the corrosion stability of magnesium alloy.Therefore, magnesium alloy uses solvent to carry out refining treatment to it at fusion process Chinese medicine, and the object of refining treatment is to reduce sneaks into impurity element in alloy if iron and nonmetal impurities are as magnesium oxide etc.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the magnesium alloy smelting refining agent that contains attapulgite of a kind of degasification, slagging-off double effects is provided, can effectively remove the non-metallic inclusion in magnesium alloy fused mass, can reduce again the loss of alloy rare earth elements, technique is simple, with low cost, metallurgical effect is good, environmentally friendly.
The present invention adopts following technical scheme to achieve these goals:
A magnesium alloy smelting refining agent that contains attapulgite, is made up of the raw material of following weight part: attapulgite 8-10 part, quartz sand nanometer powder 2-4 part, instrument comminuted steel shot 12-15 part, barium oxide 3-4 part, boron oxide 2-3 part, Calcium Fluoride (Fluorspan) 3-4 part, Manganous chloride tetrahydrate 1-2 part, magnesium sulfate 2-3 part, titanium sponge 0.3-0.5 part, nano silicon 2-3 part, stalk ashes 1-2 part, SODIUMNITRATE 10-12 part, vermiculite power 1-2 part, sodium aluminum fluoride 3-4 part, wooden carbon dust 5-7 part, hexachloroethane 13-15 part, rare earth chloride 7-9 part, zirconium tetrachloride 5-6 part, GaSi4-6 part.
Preferably, the described magnesium alloy smelting refining agent that contains attapulgite, is made up of the raw material of following weight part: 10 parts of attapulgites, 3 parts of quartz sand nanometer powders, 13 parts of instrument comminuted steel shots, 3 parts, barium oxide, 3 parts of boron oxides, 3 parts, Calcium Fluoride (Fluorspan), 1 part of Manganous chloride tetrahydrate, 2 parts, magnesium sulfate, 0.5 part of titanium sponge, 2 parts of nano silicons, 2 parts, stalk ashes, 10 parts of SODIUMNITRATE, 2 parts of vermiculite powers, 3.5 parts of sodium aluminum fluorides, 6 parts of wooden carbon dusts, 15 parts of hexachloroethanes, 8 parts of rare earth chlorides, 5 parts of zirconium tetrachlorides, GaSi5 part.
The preparation method of refining agent for the described magnesium alloy smelting that contains attapulgite, comprise following preparation process: the each raw material except titanium sponge and boron oxide is mixed, be heated to molten state, be then poured into Quench in pure water, then be ground into 100-200 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, the sodium laurylsulfate of 1-2%, after mixing, under 13-15MPa, be pressed into base, then at 900-950 DEG C, calcine 3 hours, after cooling, then be ground into 150-250 order powder; Finally titanium sponge particle and boron oxide powder are evenly mixed with above-mentioned powder, pack.
Compared with the prior art, beneficial effect of the present invention is as follows:
Titanium sponge, Manganous chloride tetrahydrate and boron oxide isoreactivity composition in refining agent of the present invention can with melt in ferro element generation chemical reaction generate compound slag making and discharge, significantly reduce the content of ferro element in magnesium alloy, the sodium aluminum fluoride adding is conducive to improve the slaggability of solvent, add zirconium tetrachloride to be conducive to carry mechanical property and the corrosion resistance nature of heavy alloyed inclusion removal rate and alloy, add CaSi and improve the ability that forms complex inclusion, can effectively capture inclusion sinking slag making rapidly.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but be not limited to the following example.
Embodiment 1:
A magnesium alloy smelting refining agent that contains attapulgite, is made up of the raw material of following weight part: 10 parts of attapulgites, 3 parts of quartz sand nanometer powders, 13 parts of instrument comminuted steel shots, 3 parts, barium oxide, 3 parts of boron oxides, 3 parts, Calcium Fluoride (Fluorspan), 1 part of Manganous chloride tetrahydrate, 2 parts, magnesium sulfate, 0.5 part of titanium sponge, 2 parts of nano silicons, 2 parts, stalk ashes, 10 parts of SODIUMNITRATE, 2 parts of vermiculite powers, 3.5 parts of sodium aluminum fluorides, 6 parts of wooden carbon dusts, 15 parts of hexachloroethanes, 8 parts of rare earth chlorides, 5 parts of zirconium tetrachlorides, GaSi5 part.
The preparation method of refining agent for the described magnesium alloy smelting that contains attapulgite, comprise following preparation process: the each raw material except titanium sponge and boron oxide is mixed, be heated to molten state, be then poured into Quench in pure water, then be ground into 200 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 3%, 2% sodium laurylsulfate, after mixing, under 15MPa, be pressed into base, then at 950 DEG C, calcine 3 hours, cooling after, then be ground into 200 order powder; Finally titanium sponge particle and boron oxide powder are evenly mixed with above-mentioned powder, pack.

Claims (3)

1. a magnesium alloy smelting refining agent that contains attapulgite, it is characterized in that: the raw material by following weight part is made: attapulgite 8-10 part, quartz sand nanometer powder 2-4 part, instrument comminuted steel shot 12-15 part, barium oxide 3-4 part, boron oxide 2-3 part, Calcium Fluoride (Fluorspan) 3-4 part, Manganous chloride tetrahydrate 1-2 part, magnesium sulfate 2-3 part, titanium sponge 0.3-0.5 part, nano silicon 2-3 part, stalk ashes 1-2 part, SODIUMNITRATE 10-12 part, vermiculite power 1-2 part, sodium aluminum fluoride 3-4 part, wood carbon dust 5-7 part, hexachloroethane 13-15 part, rare earth chloride 7-9 part, zirconium tetrachloride 5-6 part, GaSi4-6 part.
2. the magnesium alloy smelting refining agent that contains attapulgite according to claim 1, is characterized in that: the raw material by following weight part is made: 10 parts of attapulgites, 3 parts of quartz sand nanometer powders, 13 parts of instrument comminuted steel shots, 3 parts, barium oxide, 3 parts of boron oxides, 3 parts, Calcium Fluoride (Fluorspan), 1 part of Manganous chloride tetrahydrate, 2 parts, magnesium sulfate, 0.5 part of titanium sponge, 2 parts of nano silicons, 2 parts, stalk ashes, 10 parts of SODIUMNITRATE, 2 parts of vermiculite powers, 3.5 parts of sodium aluminum fluorides, 6 parts of wooden carbon dusts, 15 parts of hexachloroethanes, 8 parts of rare earth chlorides, 5 parts of zirconium tetrachlorides, GaSi5 part.
3. the preparation method of refining agent for the magnesium alloy smelting that contains attapulgite according to claim 1, it is characterized in that: comprise following preparation process: the each raw material except titanium sponge and boron oxide is mixed, be heated to molten state, then be poured into Quench in pure water, then be ground into 100-200 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, the sodium laurylsulfate of 1-2%, after mixing, under 13-15MPa, be pressed into base, then at 900-950 DEG C, calcine 3 hours, after cooling, then be ground into 150-250 order powder; Finally titanium sponge particle and boron oxide powder are evenly mixed with above-mentioned powder, pack.
CN201410142867.0A 2014-04-10 2014-04-10 A kind of magnesium alloy smelting refining agent that contains attapulgite CN103952611B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105349816A (en) * 2015-11-30 2016-02-24 贵州航天风华精密设备有限公司 Magnesium alloy smelting protection solvent and preparation method thereof
CN108311652A (en) * 2018-02-06 2018-07-24 洛阳晟雅镁合金科技有限公司 A kind of preparation process of ME20M magnesium alloys slab ingot

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101191163A (en) * 2006-11-23 2008-06-04 北京有色金属研究总院 Refining agent for magnesium alloy and preparation method thereof
CN103088226A (en) * 2012-12-05 2013-05-08 安徽徽铝铝业有限公司 Preparation method of refining agent for melting aluminum alloy section doped with plant ash
CN103602830A (en) * 2013-11-12 2014-02-26 太湖县光华铝业有限公司 Preparation method of refining agent for scrap aluminum smelting

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101191163A (en) * 2006-11-23 2008-06-04 北京有色金属研究总院 Refining agent for magnesium alloy and preparation method thereof
CN103088226A (en) * 2012-12-05 2013-05-08 安徽徽铝铝业有限公司 Preparation method of refining agent for melting aluminum alloy section doped with plant ash
CN103602830A (en) * 2013-11-12 2014-02-26 太湖县光华铝业有限公司 Preparation method of refining agent for scrap aluminum smelting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105349816A (en) * 2015-11-30 2016-02-24 贵州航天风华精密设备有限公司 Magnesium alloy smelting protection solvent and preparation method thereof
CN108311652A (en) * 2018-02-06 2018-07-24 洛阳晟雅镁合金科技有限公司 A kind of preparation process of ME20M magnesium alloys slab ingot
CN108311652B (en) * 2018-02-06 2019-12-17 洛阳晟雅镁合金科技有限公司 Preparation process of ME20M magnesium alloy slab ingot

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Patentee after: Jiangsu coastal agricultural science and Technology Development Co Ltd

Address before: 244000 Anhui Tongling Bridge Economic Development Zone cross port logistics park

Patentee before: TONGLING NANJIANG XINGANG INDUSTRIAL CO., LTD.