CN109837433A - A kind of solid-liquid mixing method for casting of albronze - Google Patents
A kind of solid-liquid mixing method for casting of albronze Download PDFInfo
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- CN109837433A CN109837433A CN201711194718.9A CN201711194718A CN109837433A CN 109837433 A CN109837433 A CN 109837433A CN 201711194718 A CN201711194718 A CN 201711194718A CN 109837433 A CN109837433 A CN 109837433A
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Abstract
A kind of albronze, raw material include: 11 mass parts silicon, 8 mass parts copper, 1 mass parts magnesium, 1.5 mass parts iron, 80 mass parts aluminium, 0.2 mass parts zinc, 0.2 mass parts chromium by mass parts；A kind of solid-liquid mixing method for casting of albronze, raw material is subjected to melting in well formula electrical crucible, smelting temperature is 920 DEG C, and degasification slagging-off is carried out with carbon trichloride and slagging agent, the copper-aluminum alloy powder of the same race that mass fraction is 20%, and uniform stirring is added in fusion process in superheated melt, melt is made to be cooled fast to semi-solid temperature section, semi solid slurry is transferred in the metal die of preheating rapidly, and is squeezed on a hydraulic press；Alloy after extruding is quenched, quenched alloy is subjected to ageing treatment；The present invention can be crushed the piece spacing of dendrite, refinement crystal grain, reduction eutectic using solid-liquid mixed casting technique, thus improve the plasticity and intensity of alloy casting, realize the hot-working squeezed with other modes, and expand its application range.
Description
Technical field
The present invention relates to alloy casting technology fields, and in particular to a kind of solid-liquid mixing method for casting of albronze.
Background technique
Casting Cu-Al system alloy is industrial common aluminium alloy, has been widely used in various fields.Cu is closed as aluminium
A kind of golden important addition element, solid solubility of the copper in aluminium is higher (mass fraction 5.7%), the eutectic composition of copper and aluminium
Very high (mass fraction 33.2%).In addition, copper has biggish diffusion velocity in aluminium, and it can be dissolved in molten aluminum, suitable copper
The comprehensive performance, such as hardness, intensity, wearability, toughness, high-temperature behavior etc. that alloy can be substantially improved are added in aluminium alloy.
Existing albronze casting method cannot be crushed dendrite, refinement crystal grain, the piece spacing for reducing eutectic, exist certain
Defect.
Summary of the invention
The invention provides the following technical scheme: a kind of albronze, raw material includes: 9-11 mass parts silicon, 6-8 by mass parts
Mass parts copper, 0.5-1 mass parts magnesium, 1-1.5 mass parts iron, 65-80 mass parts aluminium, 0.1-0.2 mass parts zinc, 0.2 mass parts
Chromium.
Raw material is carried out melting in well formula electrical crucible by a kind of solid-liquid mixing method for casting of albronze, described
Smelting temperature is 880 DEG C -920 DEG C, and carries out degasification slagging-off with carbon trichloride and slagging agent, in fusion process in superheated melt
The copper-aluminum alloy powder of the same race that mass fraction is 20%, and uniform stirring is added, melt is made to be cooled fast to semi-solid temperature area
Between, semi solid slurry is transferred in the metal die of preheating rapidly, and is squeezed on a hydraulic press；It will be described after extruding
Alloy is quenched, and the hardening heat is 480 DEG C -510 DEG C, quenched alloy is carried out ageing treatment, when described
Imitating treatment temperature is 155 DEG C -190 DEG C.
Further, squeezing temperature is 200 DEG C -300 DEG C, and the speed of extruding is 0.3-1.0m/min.
Further, the quenching treatment time is 30-40min, and the aging time is 25-35min.
The beneficial effects of the present invention are: the present invention can be crushed dendrite using solid-liquid mixed casting technique, refinement crystal grain, subtract
The piece spacing of small eutectic improves the plasticity and intensity of alloy casting therefrom, to realize the hot-working squeezed with other modes, and
And expand its application range.
Specific embodiment
A specific embodiment of the invention is described in detail below:
Embodiment 1:
A kind of albronze, raw material include: 9 mass parts silicon, 6 mass parts copper, 0.5 mass parts magnesium, 1 mass parts by mass parts
Iron, 65 mass parts aluminium, 0.1 mass parts zinc, 0.2 mass parts chromium.
Raw material is carried out melting in well formula electrical crucible by a kind of solid-liquid mixing method for casting of albronze, described
Smelting temperature is 880 DEG C -920 DEG C, and carries out degasification slagging-off with carbon trichloride and slagging agent, in fusion process in superheated melt
The copper-aluminum alloy powder of the same race that mass fraction is 20%, and uniform stirring is added, melt is made to be cooled fast to semi-solid temperature area
Between, semi solid slurry is transferred in the metal die of preheating rapidly, and is squeezed on a hydraulic press, squeezing temperature is 200
DEG C DEG C, the speed of extruding is 0.6m/min；The alloy after extruding is quenched, the hardening heat is 480 DEG C
DEG C, the quenching treatment time is 30min, quenched alloy is carried out ageing treatment, the aging time is 25min, institute
Stating aging temperature is 155 DEG C DEG C.
Embodiment 2:
A kind of albronze, raw material include: 11 mass parts silicon, 8 mass parts copper, 1 mass parts magnesium, 1.5 mass by mass parts
Part iron, 80 mass parts aluminium, 0.2 mass parts zinc, 0.2 mass parts chromium.
Raw material is carried out melting in well formula electrical crucible by a kind of solid-liquid mixing method for casting of albronze, described
Smelting temperature is 920 DEG C, and carries out degasification slagging-off with carbon trichloride and slagging agent, and matter is added in superheated melt in fusion process
The copper-aluminum alloy powder of the same race that score is 20%, and uniform stirring are measured, so that melt is cooled fast to semi-solid temperature section, rapidly
Semi solid slurry is transferred in the metal die of preheating, and is squeezed on a hydraulic press, squeezing temperature is 00 DEG C, extruding
Speed is 1.0m/min；The alloy after extruding is quenched, the hardening heat is 510 DEG C, when quenching treatment
Between be 40min, by quenched alloy carry out ageing treatment, the aging time be 5min, the aging temperature
It is 190 DEG C.
The present invention can be crushed dendrite, refinement crystal grain, the piece spacing for reducing eutectic using solid-liquid mixed casting technique, thus
And the plasticity and intensity of alloy casting are improved, to realize the hot-working squeezed with other modes, and expand its application range.
The present invention is not limited to examples detailed above, in claims of the present invention limited range, art technology
The various deformations or amendments that personnel can make without creative work are protected by this patent.
Claims (4)
1. a kind of albronze, which is characterized in that raw material includes: 9-11 mass parts silicon, 6-8 mass parts copper, 0.5-1 by mass parts
Mass parts magnesium, 1-1.5 mass parts iron, 65-80 mass parts aluminium, 0.1-0.2 mass parts zinc, 0.2 mass parts chromium.
2. a kind of solid-liquid mixing method for casting of albronze according to claim 1, which is characterized in that by raw material in well
Melting is carried out in formula electrical crucible, the smelting temperature is 880 DEG C -920 DEG C, and carries out degasification with carbon trichloride and slagging agent
It removes the gred, the copper-aluminum alloy powder of the same race that mass fraction is 20%, and uniform stirring is added in fusion process in superheated melt, makes
Melt is cooled fast to semi-solid temperature section, and semi solid slurry is transferred in the metal die of preheating rapidly, and hydraulic
It is squeezed on machine；The alloy after extruding is quenched, the hardening heat is 480 DEG C -510 DEG C, will be quenched
Alloy afterwards carries out ageing treatment, and the aging temperature is 155 DEG C -190 DEG C.
3. a kind of solid-liquid mixing method for casting of albronze according to claim 2, which is characterized in that the extruding temperature
Degree is 200 DEG C -300 DEG C, and the speed of extruding is 0.3-1.0m/min.
4. a kind of solid-liquid mixing method for casting of albronze according to claim 2, which is characterized in that at the quenching
The reason time is 30-40min, and the aging time is 25-35min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194718.9A CN109837433A (en) | 2017-11-24 | 2017-11-24 | A kind of solid-liquid mixing method for casting of albronze |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194718.9A CN109837433A (en) | 2017-11-24 | 2017-11-24 | A kind of solid-liquid mixing method for casting of albronze |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109837433A true CN109837433A (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711194718.9A Withdrawn CN109837433A (en) | 2017-11-24 | 2017-11-24 | A kind of solid-liquid mixing method for casting of albronze |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112961997A (en) * | 2021-02-02 | 2021-06-15 | 邱从章 | High-melting-point-difference alloy and solid-liquid mixed forming preparation method thereof |
-
2017
- 2017-11-24 CN CN201711194718.9A patent/CN109837433A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112961997A (en) * | 2021-02-02 | 2021-06-15 | 邱从章 | High-melting-point-difference alloy and solid-liquid mixed forming preparation method thereof |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190604 |