CN104831096A - Aluminium titanic boron intermediate alloy refinement agent and preparation technology thereof - Google Patents
Aluminium titanic boron intermediate alloy refinement agent and preparation technology thereof Download PDFInfo
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- CN104831096A CN104831096A CN201510166398.0A CN201510166398A CN104831096A CN 104831096 A CN104831096 A CN 104831096A CN 201510166398 A CN201510166398 A CN 201510166398A CN 104831096 A CN104831096 A CN 104831096A
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Abstract
The invention discloses an aluminium titanic boron intermediate alloy refinement agent and a preparation technology thereof. The aluminium titanic boron intermediate alloy refinement agent comprises the following components by weight percentage: 0.1%-100% of (kk)grade aluminium alloy (kk grade recovery waste aluminium), 15%-60% of potassium fluotitanate and 1-20% of potassium fluoborate. According to the invention, the alloy elements can be added in the aluminium titanic boron intermediate alloy refinement agent for increasing the refinement effect of the intermediate alloy, addition operation is convenient, and efficiency is high.
Description
Technical field
The present invention relates to chemosynthesis technical field, particularly relate to a kind of Al-Ti-B intermediate alloy fining agent.
Background technology
Some alloying element of trace increased in Al-Ti-B intermediate alloy can improve the thinning effect of master alloy.After alloying element content exceedes certain value, the thinning effect of master alloy weakens with the increase of alloying element content.Investigator thinks, the existence of the element such as micro Fe, Mg adds the condensate depression in melt on the one hand, and Fe element is on the impact of aluminium alloy thinning process.Result of study shows, the effect that a small amount of Fe element can play crystal grain thinning hinders on the other hand the growth of crystal grain, thus improve grain refining effect, after alloying element content is increased to certain value, alloying element activity in the melt increases, by consuming Ti element superfluous in melt with Ti element reaction, thus weaken grain refining effect.Under there is the condition of the heterogeneous forming core substrate (as TiB2, TiC) of mass efficient in the melt, growth limiting factor is the important factor determining grain-size.
Summary of the invention
In view of this, the invention provides a kind of Al-Ti-B intermediate alloy fining agent.
One of to achieve these goals, a kind of Al-Ti-B intermediate alloy fining agent of the present invention;
For realizing another goal of the invention above-mentioned, a kind of preparation method preparing Al-Ti-B intermediate alloy fining agent as above of the present invention.
The present invention discloses a kind of Al-Ti-B intermediate alloy fining agent, a kind of Al-Ti-B intermediate alloy fining agent, described Al-Ti-B intermediate alloy fining agent comprises by weight percentage: 0.1%-100% (kk) grade aluminium alloy (the kk trade mark reclaims waste product aluminium), or 0.1%-100% (hh) grade aluminium alloy (the hh trade mark reclaims waste product aluminium) or 0.1%-100% (qq) grade aluminium alloy (the qq trade mark reclaims waste product aluminium), or 0.1%-100% (ee) grade aluminium alloy (the ee trade mark reclaims waste product aluminium), or 0.1%-100% (tt) grade aluminium alloy (the tt trade mark reclaims waste product aluminium), or 0.1%-100% (the zz trade mark) aluminium alloy (the zz trade mark reclaims waste product aluminium), the potassium fluotitanate of 15%-60%, the potassium fluoborate of 1%-20%.
Further, a kind of preparation method preparing a kind of Al-Ti-B intermediate alloy fining agent according to claim 1, it is characterized in that, described preparation method comprises the steps:
(1) weight percent is provided to be 0.1%-100% (kk) grade aluminium alloy (the kk trade mark reclaims waste product aluminium), or 0.1%-100% (hh) grade aluminium alloy (the hh trade mark reclaims waste product aluminium) or 0.1%-100% (qq) grade aluminium alloy (the qq trade mark reclaims waste product aluminium), or 0.1%-100% (ee) grade aluminium alloy (the ee trade mark reclaims waste product aluminium), or 0.1%-100% (tt) grade aluminium alloy (the tt trade mark reclaims waste product aluminium), or 0.1%-100% (zz) grade aluminium alloy (the zz trade mark reclaims waste product aluminium), the potassium fluotitanate of 15%-60%, the potassium fluoborate of 1%-20%, and batching,
(2) after temperature of smelting furnace heating being brought up to 700 ~ 900 DEG C, by the part potassium fluotitanate in (1), potassium fluoborate, mixed batching joins or is formed by grade aluminium alloy aluminium in aluminium aqueous fusion stove or formed in aluminium aqueous fusion stove by commercial-purity aluminium, after stirring, standing 10-50min skims, refining, shaping.
Further, in described step (2), the pattern of the finished product is ingot or wire rod.
Compared with prior art, the invention has the beneficial effects as follows: a kind of Al-Ti-B intermediate alloy fining agent of the present invention can solve the problem of boron source moistening difference in aluminium, form the interpolation of Al-Ti-B intermediate alloy fining agent contemporaneously in medium and low temperature scope easy to operate, efficiency is higher.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
Prepare source material by this weight alloy percentage calculation, wherein, potassium fluotitanate 15%, potassium fluoborate 1%, 1% (kk) grade aluminium alloy (the kk trade mark reclaims waste product aluminium) is remaining is commercial-purity aluminium.After temperature of smelting furnace being improved 700 DEG C, mixed batching joins commercial-purity aluminium and is formed in aluminium aqueous fusion stove, and after stirring, standing 10-50min skims, refining, direct casting ingot-forming or be prepared into wire rod.
Embodiment 2
Prepare source material by this weight alloy percentage calculation, wherein, (hh) grade aluminium alloy (the hh trade mark reclaims waste product aluminium) 100%, potassium fluotitanate 30%, potassium fluoborate 5%, remaining is commercial-purity aluminium.After temperature of smelting furnace being improved 800 DEG C, mixed batching joins aluminium alloy trade mark aluminium and is formed in aluminium aqueous fusion stove, and after stirring, standing 10-50min skims, refining, direct casting ingot-forming or be prepared into wire rod.
Embodiment 3
Prepare source material by this weight alloy percentage calculation, wherein, (zz) grade aluminium alloy (the zz trade mark reclaims waste product aluminium) 50%, potassium fluotitanate 60%, potassium fluoborate 10%, remaining is commercial-purity aluminium.After temperature of smelting furnace being improved 900 DEG C, mixed batching joins commercial-purity aluminium and is formed in aluminium aqueous fusion stove, and after stirring, standing 10-50min skims, refining, direct casting ingot-forming or be prepared into wire rod.
A kind of Al-Ti-B intermediate alloy fining agent of the present invention adds the thinning effect that alloying element can improve master alloy, and form alloying element in medium and low temperature scope and add easy to operate, efficiency is higher.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. an Al-Ti-B intermediate alloy fining agent, it is characterized in that, described Al-Ti-B intermediate alloy fining agent comprises by weight percentage: 0.1%-100% (kk) grade aluminium alloy (the kk trade mark reclaims waste product aluminium), or 0.1%-100% (hh) grade aluminium alloy (the hh trade mark reclaims waste product aluminium) or 0.1%-100% (qq) grade aluminium alloy (the qq trade mark reclaims waste product aluminium), or 0.1%-100% (ee) the aluminium alloy trade mark (the ee trade mark reclaims waste product aluminium), or 0.1%-100% (tt) grade aluminium alloy (the tt trade mark reclaims waste product aluminium), or 0.1%-100% (zz) grade aluminium alloy (the zz trade mark reclaims waste product aluminium), the potassium fluotitanate of 15%-60%, the potassium fluoborate of 1%-20%.
2. prepare a preparation method for a kind of Al-Ti-B intermediate alloy fining agent according to claim 1, it is characterized in that, described preparation method comprises the steps:
(1) weight percent is provided to be 0.1%-100% (kk) grade aluminium alloy (the kk trade mark reclaims waste product aluminium), or 0.1%-100% (hh) grade aluminium alloy (the hh trade mark reclaims waste product aluminium) or 0.1%-100% (qq) grade aluminium alloy (the qq trade mark reclaims waste product aluminium), or 0.1%-100% (ee) grade aluminium alloy (the ee trade mark reclaims waste product aluminium), or 0.1%-100% (tt) grade aluminium alloy (the tt trade mark reclaims waste product aluminium), or 0.1%-100% (zz) grade aluminium alloy (the zz trade mark reclaims waste product aluminium), the potassium fluotitanate of 15%-60%, the potassium fluoborate of 1%-20%, and the batching that commercial-purity aluminium is formed,
(2) after temperature of smelting furnace heating being brought up to 700 ~ 900 DEG C, part potassium fluotitanate in (1), potassium fluoborate, mixed batching are joined or formed by grade aluminium alloy aluminium in aluminium aqueous fusion stove or formed in aluminium aqueous fusion stove by commercial-purity aluminium, after stirring, standing 10-50min skims, refining, shaping.
3. the preparation method of a kind of Al-Ti-B intermediate alloy fining agent according to claim 2, is characterized in that, in described step (2), the pattern of the finished product is ingot or wire rod.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463265A (en) * | 2015-12-21 | 2016-04-06 | 周凡 | Preparation method for silicon carbide particle reinforced aluminum-based composite material |
| CN106244834A (en) * | 2016-07-30 | 2016-12-21 | 昆明冶金研究院 | A kind of method that boron powder and titantium hydride prepare Al-Ti-B intermediate alloy |
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| US3857705A (en) * | 1972-02-14 | 1974-12-31 | Nippon Light Metal Res Labor | Small grain promoting aluminum-titanium-boron mother alloy |
| CN1851010A (en) * | 2006-04-25 | 2006-10-25 | 清华大学 | Aluminium-titanium-horon rare earth fining agent, and its preparing method |
| CN1904099A (en) * | 2005-07-28 | 2007-01-31 | 福州正邦冶金材料有限公司 | Formula for preparing aluminium titanium boron wire intermediate alloy and its technology |
| CN101514414A (en) * | 2008-12-30 | 2009-08-26 | 毕祥玉 | Al-Ti-B master alloy and preparation method thereof |
| CN101967575A (en) * | 2010-09-16 | 2011-02-09 | 哈尔滨工程大学 | Preparation method of Al5Ti1B intermediate alloy |
| CN103074506A (en) * | 2013-01-09 | 2013-05-01 | 湖南金联星特种材料股份有限公司 | Two-step charging method for preparing high-quality Al-Ti-B intermediate alloy refiner |
| CN104278176A (en) * | 2013-07-01 | 2015-01-14 | 中国科学院金属研究所 | Preparation method of high quality Al-5 Ti-1 B intermediate alloy |
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2015
- 2015-04-09 CN CN201510166398.0A patent/CN104831096A/en active Pending
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| US3857705A (en) * | 1972-02-14 | 1974-12-31 | Nippon Light Metal Res Labor | Small grain promoting aluminum-titanium-boron mother alloy |
| CN1904099A (en) * | 2005-07-28 | 2007-01-31 | 福州正邦冶金材料有限公司 | Formula for preparing aluminium titanium boron wire intermediate alloy and its technology |
| CN1851010A (en) * | 2006-04-25 | 2006-10-25 | 清华大学 | Aluminium-titanium-horon rare earth fining agent, and its preparing method |
| CN101514414A (en) * | 2008-12-30 | 2009-08-26 | 毕祥玉 | Al-Ti-B master alloy and preparation method thereof |
| CN101967575A (en) * | 2010-09-16 | 2011-02-09 | 哈尔滨工程大学 | Preparation method of Al5Ti1B intermediate alloy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463265A (en) * | 2015-12-21 | 2016-04-06 | 周凡 | Preparation method for silicon carbide particle reinforced aluminum-based composite material |
| CN106244834A (en) * | 2016-07-30 | 2016-12-21 | 昆明冶金研究院 | A kind of method that boron powder and titantium hydride prepare Al-Ti-B intermediate alloy |
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Application publication date: 20150812 |