CN110343914A - A kind of production technology of road guard-rail aluminium alloy rod - Google Patents
A kind of production technology of road guard-rail aluminium alloy rod Download PDFInfo
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- CN110343914A CN110343914A CN201910813518.XA CN201910813518A CN110343914A CN 110343914 A CN110343914 A CN 110343914A CN 201910813518 A CN201910813518 A CN 201910813518A CN 110343914 A CN110343914 A CN 110343914A
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- aluminium alloy
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 46
- 238000005516 engineering process Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 7
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 120
- 229910052742 iron Inorganic materials 0.000 claims description 60
- 239000000203 mixture Substances 0.000 claims description 35
- 239000011863 silicon-based powder Substances 0.000 claims description 12
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229910000861 Mg alloy Inorganic materials 0.000 abstract description 6
- 229910000676 Si alloy Inorganic materials 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 229910000881 Cu alloy Inorganic materials 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The present invention discloses a kind of production technology of road guard-rail aluminium alloy rod, include: the Si of the Mn and 0.1%-0.2% of Mg, 2%-2.5% of Cu, 1.2%-2% of 0.3%-1%, 0.03% Ti, 0.06% Ge, 0.2% Mo and 0.07% Nb, remainder is Al, and concrete technology flow process is as follows: S1, melting the Cu of corresponding amount according to aforementioned proportion and is added into mold；S2, the Al of corresponding amount is melted according to aforementioned proportion and is added to container.The production technology of this kind of road guard-rail aluminium alloy rod, pass through the improvement of technique, producing bottom is Cu and Al alloy, other parts are the metallic rod of Si, Mg and Al alloy, when the construction of road guard-rail, it buries or installs using the bottom of metallic rod as built-in fitting or installation part and in corresponding position, when being hit, Si, Mg and Al alloy on top can be very good to reduce the damage to driver by deformation, Cu and the Al alloy of bottom ensure that protective fence fracture will not fly out well simultaneously, to ensure that the safety of passerby well.
Description
Technical field
The present invention relates to technical field of aluminum alloy technology, specially a kind of production technology of road guard-rail aluminium alloy rod.
Background technique
Aluminium alloy is most widely used one kind non-ferrous metal structural material in industry, in Aeronautics and Astronautics, automobile, machinery
It has been widely applied in manufacture, ship and chemical industry.The rapid development of industrial economy, the demand day to aluminum alloy piping welding structural member
Benefit increases, and the Research on Weldability enabled aluminum alloy to is also goed deep into therewith.Aluminium alloy is using most alloys at present.
In the prior art, when aluminium alloy rod is applied on road guard-rail, according to the biggish aluminium alloy rod of hardness,
Then in Vehicular impact, it is easier to damage is brought to vehicle, so that the safety of driver is reduced, it is preferable according to flexibility
Aluminium alloy rod, then in Vehicular impact, be easy to appear due to protective fence fracture fly out caused by passerby's safety reduce.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of production technology of road guard-rail aluminium alloy rod, solutions
It has determined in the prior art, when aluminium alloy rod is applied on road guard-rail, according to the biggish aluminium alloy rod of hardness, has then existed
When Vehicular impact, it is easier to damage is brought to vehicle, so that the safety of driver is reduced, according to the preferable aluminium of flexibility
Rod of metal alloy is easy to appear the problem of passerby's safety reduces caused by flying out due to protective fence fracture then in Vehicular impact.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of road guard-rail aluminium alloy
The production technology of bar, comprising: the Si of the Mn and 0.1%-0.2% of Mg, 2%-2.5% of Cu, 1.2%-2% of 0.3%-1%,
The Nb of 0.03% Ti, 0.06% Ge, 0.2% Mo and 0.07%, remainder Al, concrete technology flow process are as follows:
S1, the Cu of corresponding amount is melted according to aforementioned proportion and is added into mold；
S2, the Al of corresponding amount is melted according to aforementioned proportion and is added to container, 30% of the Al after melting is taken to be added
In mold into step S1；
S3, in the environment of 1100 DEG C -1200 DEG C, T-type iron is inserted into mold, and at least 1000r/min's
Speed turning T-type iron, to mix to Cu the and Al mixture in mold, T-type iron is taken out in mixing after ten minutes；
S4, by Si grind into powder；
S5, Al remaining in step S2 is added to container, and successively adds Mg, Mn and step S4 according to aforementioned proportion
Obtained in Si powder, keep temperature be 1100 DEG C -1300 DEG C, and using T-type iron persistently mix after ten minutes taking-up T-type iron
Bar；
S6, the mixture in the mold in step S2 is placed in room temperature, continues 30 minutes；
S7, mixture obtained in step S5 is poured into the mold in step S6；
S8, mold is placed in interior, internal gold is taken out when the highest local temperature of mixture in mold is less than 100 DEG C
Belong to bar as road guard-rail aluminium alloy rod.
Preferably, in the step s 7, mixture is gradually at the uniform velocity poured into mold, pours into total time greater than 1 minute.
Preferably, in step s 4, the filter screen that Si powder can be 0.1*0.1 millimeters by mesh size.
Preferably, in step S3 and step S5, when taking out T-type iron, the speed for keeping T-type iron with 50r/min is needed
Degree rotation, and T-type iron take out when relative to mold movement speed be not more than 3cm/s.
Preferably, step S5 and step S6 can be carried out simultaneously, and guarantee that the difference of two step deadlines is not less than
20 minutes, while the difference of the deadline and the step S7 time started for the step of being completed after guaranteeing in step S5 and step S6
No more than 40 minutes.
(3) beneficial effect
The present invention provides a kind of production technologies of road guard-rail aluminium alloy rod.Have it is following the utility model has the advantages that
The production technology of the road guard-rail aluminium alloy rod, by the improvement of technique, producing bottom is that Cu and Al is closed
Gold, the metallic rod of other parts Si, Mg and Al alloy, when the construction of road guard-rail, using the bottom of metallic rod as embedded
Part or installation part are buried or installation is in corresponding position, and when being hit, Si, Mg and Al alloy on top can be very good to lead to
It crosses deformation and reduces the damage to driver, while Cu and the Al alloy of bottom ensure that protective fence fracture will not fly well
Out, to ensure that the safety of passerby well.
Specific embodiment
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of production technology of road guard-rail aluminium alloy rod, comprising: 0.3% Cu, 2% Mg, 2.5% Mn and
0.1% Si, 0.03% Ti, 0.06% Ge, 0.2% Mo and 0.07% Nb, remainder Al, concrete technology stream
Journey is as follows:
S1, the Cu of corresponding amount is melted according to aforementioned proportion and is added into mold；
S2, the Al of corresponding amount is melted according to aforementioned proportion and is added to container, 30% of the Al after melting is taken to be added
In mold into step S1；
S3, in the environment of 1100 DEG C, T-type iron is inserted into mold, and with the speed of at least 1000r/min rotation
T-type iron, to mix to Cu the and Al mixture in mold, T-type iron is taken out in mixing after ten minutes, takes out T-type iron
When bar, need to keep T-type iron to rotate with the speed of 50r/min, and movement speed when T-type iron takes out relative to mold is
3cm/s；
S4, by Si grind into powder, filter screen that Si powder can be 0.1*0.1 millimeters by mesh size；
S5, Al remaining in step S2 is added to container, and successively adds Mg, Mn and step S4 according to aforementioned proportion
Obtained in Si powder, keep temperature be 1300 DEG C, and using T-type iron persistently mix after ten minutes taking-up T-type iron, take out
It when T-type iron, needs that T-type iron is kept to rotate with the speed of 50r/min, and the movement when taking-up of T-type iron relative to mold
Speed is 3cm/s；
S6, the mixture in the mold in step S2 is placed in room temperature, continues 30 minutes；
S7, mixture obtained in step S5 is poured into the mold in step S6, mixture is gradually at the uniform velocity poured into
In mold, pouring into total time is 2 minutes, and step S5 and step S6 are carried out simultaneously, and guarantees the difference of two step deadlines
It is 10 minutes, while the difference of the deadline and the step S7 time started for the step of being completed after guaranteeing in step S5 and step S6
Value is 30 minutes；
S8, mold is placed in interior, takes out interior metal when the highest local temperature of mixture in mold is 90 DEG C
Bar is as road guard-rail aluminium alloy rod.
Embodiment 2:
A kind of production technology of road guard-rail aluminium alloy rod, comprising: 0.5% Cu, 1.5% Mg, 2.2% Mn
With the Nb of 0.13% Si, 0.03% Ti, 0.06% Ge, 0.2% Mo and 0.07%, remainder Al, specific work
Skill process is as follows:
S1, the Cu of corresponding amount is melted according to aforementioned proportion and is added into mold；
S2, the Al of corresponding amount is melted according to aforementioned proportion and is added to container, 30% of the Al after melting is taken to be added
In mold into step S1；
S3, in the environment of 1150 DEG C, T-type iron is inserted into mold, and with the speed of at least 1000r/min rotation
T-type iron, to mix to Cu the and Al mixture in mold, T-type iron is taken out in mixing after ten minutes, takes out T-type iron
When bar, need to keep T-type iron to rotate with the speed of 50r/min, and movement speed when T-type iron takes out relative to mold is
1cm/s；
S4, by Si grind into powder, filter screen that Si powder can be 0.1*0.1 millimeters by mesh size；
S5, Al remaining in step S2 is added to container, and successively adds Mg, Mn and step S4 according to aforementioned proportion
Obtained in Si powder, keep temperature be 1200 DEG C, and using T-type iron persistently mix after ten minutes taking-up T-type iron, take out
It when T-type iron, needs that T-type iron is kept to rotate with the speed of 50r/min, and the movement when taking-up of T-type iron relative to mold
Speed is 1cm/s；
S6, the mixture in the mold in step S2 is placed in room temperature, continues 30 minutes；
S7, mixture obtained in step S5 is poured into the mold in step S6, mixture is gradually at the uniform velocity poured into
In mold, pouring into total time is 3 minutes, and step S5 and step S6 are carried out simultaneously, and guarantees the difference of two step deadlines
It is 10 minutes, while the difference of the deadline and the step S7 time started for the step of being completed after guaranteeing in step S5 and step S6
Value is 20 minutes；
S8, mold is placed in interior, takes out interior metal when the highest local temperature of mixture in mold is 80 DEG C
Bar is as road guard-rail aluminium alloy rod.
Embodiment 3:
A kind of production technology of road guard-rail aluminium alloy rod, comprising: 0.6% Cu, 1.8% Mg, 2.1% Mn
With the Nb of 0.17% Si, 0.03% Ti, 0.06% Ge, 0.2% Mo and 0.07%, remainder Al, specific work
Skill process is as follows:
S1, the Cu of corresponding amount is melted according to aforementioned proportion and is added into mold；
S2, the Al of corresponding amount is melted according to aforementioned proportion and is added to container, 30% of the Al after melting is taken to be added
In mold into step S1；
S3, in the environment of 1200 DEG C, T-type iron is inserted into mold, and with the speed of at least 1000r/min rotation
T-type iron, to mix to Cu the and Al mixture in mold, T-type iron is taken out in mixing after ten minutes, takes out T-type iron
When bar, need to keep T-type iron to rotate with the speed of 50r/min, and movement speed when T-type iron takes out relative to mold is
1.5cm/s；
S4, by Si grind into powder, filter screen that Si powder can be 0.1*0.1 millimeters by mesh size；
S5, Al remaining in step S2 is added to container, and successively adds Mg, Mn and step S4 according to aforementioned proportion
Obtained in Si powder, keep temperature be 1200 DEG C, and using T-type iron persistently mix after ten minutes taking-up T-type iron, take out
It when T-type iron, needs that T-type iron is kept to rotate with the speed of 50r/min, and the movement when taking-up of T-type iron relative to mold
Speed is 1.5cm/s；
S6, the mixture in the mold in step S2 is placed in room temperature, continues 30 minutes；
S7, mixture obtained in step S5 is poured into the mold in step S6, mixture is gradually at the uniform velocity poured into
In mold, pouring into total time is 3 minutes, and step S5 and step S6 can be carried out simultaneously, and guarantees two step deadlines
Difference is 15 minutes, while the time that the deadline for the step of completing after guaranteeing in step S5 and step S6 and step S7 start
Difference be 30 minutes；
S8, mold is placed in interior, takes out interior metal when the highest local temperature of mixture in mold is 70 DEG C
Bar is as road guard-rail aluminium alloy rod.
Embodiment 4:
A kind of production technology of road guard-rail aluminium alloy rod, comprising: 0.45% Cu, 1.5% Mg, 2.1%
The Si of Mn and 0.14%, 0.03% Ti, 0.06% Ge, 0.2% Mo and 0.07% Nb, remainder Al, specifically
Process flow is as follows:
S1, the Cu of corresponding amount is melted according to aforementioned proportion and is added into mold；
S2, the Al of corresponding amount is melted according to aforementioned proportion and is added to container, 30% of the Al after melting is taken to be added
In mold into step S1；
S3, in the environment of 1140 DEG C, T-type iron is inserted into mold, and with the speed of at least 1000r/min rotation
T-type iron, to mix to Cu the and Al mixture in mold, T-type iron is taken out in mixing after ten minutes, takes out T-type iron
When bar, need to keep T-type iron to rotate with the speed of 50r/min, and movement speed when T-type iron takes out relative to mold is
2.5cm/s；
S4, by Si grind into powder, filter screen that Si powder can be 0.1*0.1 millimeters by mesh size；
S5, Al remaining in step S2 is added to container, and successively adds Mg, Mn and step S4 according to aforementioned proportion
Obtained in Si powder, keep temperature be 1300 DEG C, and using T-type iron persistently mix after ten minutes taking-up T-type iron, take out
It when T-type iron, needs that T-type iron is kept to rotate with the speed of 50r/min, and the movement when taking-up of T-type iron relative to mold
Speed is 2.5cm/s；
S6, the mixture in the mold in step S2 is placed in room temperature, continues 30 minutes；
S7, mixture obtained in step S5 is poured into the mold in step S6, mixture is gradually at the uniform velocity poured into
In mold, pouring into total time is 5 minutes, and step S5 and step S6 can be carried out simultaneously, and guarantees two step deadlines
Difference is 5 minutes, while the time that the deadline for the step of completing after guaranteeing in step S5 and step S6 and step S7 start
Difference be 30 minutes；
S8, mold is placed in interior, takes out interior metal when the highest local temperature of mixture in mold is 85 DEG C
Bar is as road guard-rail aluminium alloy rod.
In conclusion the production technology of the road guard-rail aluminium alloy rod, by the improvement of technique, producing bottom is
Cu and Al alloy, the metallic rod of other parts Si, Mg and Al alloy, when the construction of road guard-rail, by the bottom of metallic rod
As built-in fitting or installation part be embedded or installation is in corresponding position, when being hit, Si, Mg and Al alloy on top can be with
The damage to driver is reduced by deformation well, while Cu and the Al alloy of bottom ensure that protective fence is broken well
It will not fly out, to ensure that the safety of passerby well.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of production technology of road guard-rail aluminium alloy rod characterized by comprising Cu, 1.2%- of 0.3%-1%
The Si of Mn, 0.1%-0.2% of 2% Mg, 2%-2.5%, 0.03% Ti, 0.06% Ge, 0.2% Mo and 0.07%
Nb, remainder Al, concrete technology flow process is as follows:
S1, the Cu of corresponding amount is melted according to aforementioned proportion and is added into mold；
S2, the Al of corresponding amount is melted according to aforementioned proportion and is added to container, take 30% of the Al after melting to be added to step
In mold in rapid S1；
S3, in the environment of 1100 DEG C -1200 DEG C, T-type iron is inserted into mold, and at least speed of 1000r/min
Turning T-type iron, to mix to Cu the and Al mixture in mold, T-type iron is taken out in mixing after ten minutes；
S4, by Si grind into powder；
S5, Al remaining in step S2 is added to container, and successively adds in Mg, Mn and step S4 and obtains according to aforementioned proportion
The Si powder arrived, keeping temperature is 1100 DEG C -1300 DEG C, and persistently mixes taking-up T-type iron after ten minutes using T-type iron；
S6, the mixture in the mold in step S2 is placed in room temperature, continues 30 minutes；
S7, mixture obtained in step S5 is poured into the mold in step S6；
S8, mold is placed in interior, takes out internal metal rod when the highest local temperature of mixture in mold is less than 100 DEG C
As road guard-rail aluminium alloy rod.
2. a kind of production technology of road guard-rail aluminium alloy rod according to claim 1, it is characterised in that: in step
In S7, mixture is gradually at the uniform velocity poured into mold, pours into total time greater than 1 minute.
3. a kind of production technology of road guard-rail aluminium alloy rod according to claim 1, it is characterised in that: in step
In S4, Si powder can be 0.1*0.1 millimeters of filter screen by mesh size.
4. a kind of production technology of road guard-rail aluminium alloy rod according to claim 1, it is characterised in that: in step
In S3 and step S5, when taking out T-type iron, need that T-type iron is kept to rotate with the speed of 50r/min, and when the taking-up of T-type iron
Movement speed relative to mold is not more than 3cm/s.
5. a kind of production technology of road guard-rail aluminium alloy rod according to claim 1, it is characterised in that: step S5
It can be carried out simultaneously with step S6, and guarantee that the difference of two step deadlines is not less than 20 minutes, while guaranteeing step S5
The difference of the time started with the deadline of the step of completing rear in step S6 and step S7 was no more than 40 minutes.
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| CN201910813518.XA CN110343914A (en) | 2019-08-30 | 2019-08-30 | A kind of production technology of road guard-rail aluminium alloy rod |
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