CN107653404A - A kind of the aluminium alloy bars bat and its production technology of high-strength corrosion-resistant erosion - Google Patents
A kind of the aluminium alloy bars bat and its production technology of high-strength corrosion-resistant erosion Download PDFInfo
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- CN107653404A CN107653404A CN201710769579.1A CN201710769579A CN107653404A CN 107653404 A CN107653404 A CN 107653404A CN 201710769579 A CN201710769579 A CN 201710769579A CN 107653404 A CN107653404 A CN 107653404A
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- 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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
- A63B59/50—Substantially rod-shaped bats for hitting a ball in the air, e.g. for baseball
- A63B59/51—Substantially rod-shaped bats for hitting a ball in the air, e.g. for baseball made of metal
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- 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
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- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/053—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with zinc as the next major constituent
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Abstract
The invention discloses the aluminium alloy bars bat and its production technology of a kind of high-strength corrosion-resistant erosion, it is related to technical field of aluminum alloy technology, its constituent includes by weight percentage：Si 0.21 0.25%, Fe 0.12 0.18%, Cu 0.02 0.04%, Mn 0.3 0.5%, Mg 0.6 1.2%, Cr 0.13 0.18%, Zn 4.5 5.0%, Ti 0.02 0.04%, Be 0.01 0.02%, Y 0.15 0.20%, Nb 0.12 0.18%, surplus Al；Wherein, " the relational expression of 1.3%≤Y × Nb/Be≤3% " is met.Reasonably optimizing each element and its content of the present invention, make it have good mechanical strength, hardness, shock resistance and decay resistance, and by being optimized to melting and Technology for Heating Processing, using addition furnace charge and progressive solution melting in batches, reduce oxidization burning loss, alloy physicochemical property is avoided to decline, through solid solution, casting after timeliness and tempering Combined Treatment eliminates internal stress, with stable body tissue, mechanical strength, hardness, impact resistance and excellent anti-corrosion performance, it disclosure satisfy that aluminium alloy bars bat is light, impact flexibility is good, batting is remote, the requirement of corrosion resistance and good, and reduce production cost.
Description
Technical field
The present invention relates to technical field of aluminum alloy technology, more particularly to a kind of aluminium alloy bars bat of high-strength corrosion-resistant erosion and its production
Technique.
Background technology
As flourishing for sports, baseball are strong with its craftsmenship height, excitant as a kind of sports item
The features such as attract numerous fans.In baseball, baseball bat hits away high speed ball for confession user
Instrument, therefore, good baseball bat must possess the advantages that strong, the elastic good and damping capaicty of light weight, rigidity is good, and baseball bat
Surface also allows for bearing the enormous impact strength of high speed spheroid moment.
At present, baseball bat used in baseball common are wood based baseball bat, aluminum baseball bat and composite stick
Bat.Wherein, aluminum baseball bat is generally hollow structure, for wood based baseball bat, its lighter in weight, and its equalization point
Also it is more satisfactory, therefore performance of batting is preferable, meanwhile, aluminum baseball bat is more durable in use, therefore this baseball bat accounts for market part
Volume is more than 70%.Because corrosion resistance of aluminum alloy is not high, typically increase the corrosion resistance of aluminium alloy by the way of plated film
Can, but the adhesiveness between coating and aluminum alloy materials is not high, is easily separated from.Therefore also need in itself change from aluminium alloy
Enter.The intensity of common aluminum alloy is generally 400MPa or so at present, and the intensity of part aluminium alloy increases, but its is anticorrosive
Performance is not improved, and can not well be coordinated between its intensity and decay resistance, is easily corroded, so as to reduce baseball
The service life of rod.In addition, compared to wooden bats, burn out rate is higher in production for aluminium alloy bars bat, causes production cost
It is high.
The content of the invention
Based on technical problem existing for background technology, the present invention propose a kind of high-strength corrosion-resistant erosion aluminium alloy bars bat and
Its production technology, excellent comprehensive mechanical property, it disclosure satisfy that aluminium alloy bars bat is light, impact flexibility is good, batting is remote, corrosion-resistant
The good requirement of performance.
A kind of aluminium alloy bars bat of high-strength corrosion-resistant erosion proposed by the present invention, its constituent include by weight percentage：
Si 0.21-0.25%, Fe 0.12-0.18%, Cu 0.02-0.04%, Mn 0.3-0.5%, Mg 0.6-1.2%, Cr
0.13-0.18%, Zn 4.5-5.0%, Ti 0.02-0.04%, Be 0.01-0.02%, Y 0.15-0.20%, Nb 0.12-
0.18%, surplus Al；Wherein, " the relational expression of 1.3%≤Y × Nb/Be≤3% " is met.
Preferably, " the relational expression of 7.1≤Mg/Y+Zn/Mg≤13.4 " is met.
Preferably, its constituent includes by weight percentage：Si 0.23-0.25%, Fe 0.15-0.17%, Cu
0.03-0.04%, Mn 0.43-0.48%, Mg 0.9-1.2%, Cr 0.14-0.16%, Zn 4.7-4.9%, Ti0.02-
0.03%th, Be 0.015-0.02%, Y 0.16-0.18%, Nb 0.15-0.17%, surplus Al.
Preferably, its constituent includes by weight percentage：Si 0.24%, Fe 0.17%, Cu 0.035%, Mn
0.46%th, Mg 1.1%, Cr 0.15%, Zn 4.8%, Ti 0.035%, Be 0.015%, Y 0.17%, Nb 0.15%,
Surplus is Al.
The invention also provides the production technology of the aluminium alloy bars bat of above-mentioned high-strength corrosion-resistant erosion, step are as follows：
S1, melting：Dispensing is carried out by constituent, corner aluminium scrap material and metallic silicon are mated formation in furnace bottom, then successively
Mat formation aluminium ingot, ferro-aluminum intermediate alloy, aluminium titanium intermediate alloy, aluminium manganese intermediate alloy, aluminium chromium hardener, with being averaged for 170 DEG C/h
Speed is warming up to 700-710 DEG C, is warming up to 740-750 DEG C when melting to semisolid, then with 150 DEG C/h average speed, adds
Aluminium niobium intermediate alloy, aluminium yttrium intermediate alloy, aluminium beryllium intermediate alloy, after furnace chargeization is flat, at the uniform velocity it is cooled to 120 DEG C/h speed
710-720 DEG C, copper coin, zinc ingot metal, MAG block being added, is fully pressed into aluminium liquid, after furnace charge all melts, skimmed, refining is skimmed,
It is incubated 15-25min, cast；
S2, solid solution：Casting in step S1 is placed in holding furnace, 470 DEG C are warming up to 100 DEG C/h average speed,
1h is incubated, then 480 DEG C are at the uniform velocity warming up to 70 DEG C/h speed, is incubated 1h, then 490 are at the uniform velocity warming up to 50 DEG C/h speed
DEG C, it is incubated 1-2h, quenching, water cooling to room temperature；
S3, timeliness：It is placed in holding furnace after casting in S3 is removed into surface water drops, is heated up with 80 DEG C/h average speed
To 180-190 DEG C, 3-5h is incubated；130-140 DEG C is cooled to 60 DEG C/h average speed again, 1-2h is incubated, comes out of the stove and be air-cooled to
Room temperature；
S4, tempering：Casting in S4 is placed in holding furnace, 180-200 DEG C is warming up to 70 DEG C/h average speed, protects
Warm 20-40min, then 220-230 DEG C is warming up to 40 DEG C/h average speed, 3-5h is incubated, cools to 120-130 DEG C with the furnace,
Taking-up is air-cooled to room temperature.
Preferably, in the S1,700-710 DEG C is warming up to 170 DEG C/h average speed, with the rise of temperature, heating
Speed increases, and temperature and time is in SIN function relation.
Preferably, in the S1,740-750 DEG C is warming up to 150 DEG C/h average speed, with the rise of temperature, heating
Speed increases, and temperature and time is in tan relation.
Preferably, in the S1,710-720 DEG C is at the uniform velocity cooled to 120 DEG C/h speed, with the reduction of temperature, cooling
Speed reduces, and temperature and time is in cotangent relation.
Preferably, in the S1, each slag-removing time is less than 10min.
Beneficial effect of the present invention：
1st, it is of the invention by adjusting elements Si, Cu, Mn, Zn and Ti within the specific limits and mutual with element of Fe, Cr, Mg
Coordinate so that material of the present invention has preferable intensity, hardness and decay resistance, and passes through addition element Be, Nb, Y, purification
Impurity, crystal grain thinning, excellent comprehensive mechanical performance and corrosion resistance are obtained, according to the pass of 1.3%≤Y × Nb/Be≤3% "
It is formula, each element is coordinated to suppress recrystallization, crystal grain thinning, makes grain structure disperse educt, it is tough to improve intensity, hardness and impact
Property, by the way that " restriction of the relational expression of 7.1≤Mg/Y+Zn/Mg≤13.4 ", improves the distribution of Zn, Mg and other elements in alloy, suppression
Its diffusion in process of setting is made, the defects of filling up alloy phase surface, crystal grain thinning, is strengthened while mechanical performance is improved
Its decay resistance；Each element cooperates in the present invention, synergy, strengthens mechanical performance and corrosion resistance.
2nd, melting and Technology for Heating Processing are optimized, first the relatively low intermediate alloy of fusing point is added in electric furnace and melted
To melt, then heat up and add the high intermediate alloy of fusing point, finally cooling adds metal simple-substance, is heated and melted using stagewise, and rationally
Programming rate and smelting temperature at different levels are set so that oxide inclusion and gas of alloy etc. can be excluded preferably, be reduced
The oxidization burning loss of various elements in alloy, avoid the formation of a large amount of dregs and cause under waste of raw materials and alloy physicochemical property
Drop, the melt of high quality is obtained, and limit slag-removing time, further avoid excessive scaling loss, obtained melt quality better, composition
Uniformly, contrast uses the melting that once adds and heat up in traditional method of smelting that the aluminium alloy material containing same composition composition is made
Material, burn out rate of the present invention decline 0.8-1.3%；Using staged heating solid solution in Technology for Heating Processing, make the superfluous phase in alloy
Fully it is dissolved into solid solution, then after chilling, strengthening ingredient is farthest dissolved and is fixed in the alloy and protect
Deposit, then cause the oversaturated Solid solution decomposition in alloy after follow-up Ageing Treatment, the matrix stablized, improve and close
Mechanical strength, hardness and the toughness of gold, internal stress is eliminated, combine twin-stage temper, further improve its corrosion resistance, and
Using first furnace cooling, then room temperature is air-cooled to, is advantageous to reconfiguring for the atom in solid solution, makes microstructure homogenization.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of aluminium alloy bars bat of high-strength corrosion-resistant erosion proposed by the present invention, its constituent include by weight percentage：
Si 0.24%, Fe 0.17%, Cu 0.035%, Mn 0.46%, Mg 1.1%, Cr 0.15%, Zn 4.8%, Ti
0.035%th, Be 0.015%, Y 0.17%, Nb 0.15%, surplus Al.
The production technology of the aluminium alloy bars bat of above-mentioned high-strength corrosion-resistant erosion, step are as follows：
S1, melting：Dispensing is carried out by constituent, corner aluminium scrap material and metallic silicon are mated formation in furnace bottom, then successively
Mat formation aluminium ingot, ferro-aluminum intermediate alloy, aluminium titanium intermediate alloy, aluminium manganese intermediate alloy, aluminium chromium hardener, with being averaged for 170 DEG C/h
Speed is warming up to 705 DEG C, is warming up to 745 DEG C when melting to semisolid, then with 150 DEG C/h average speed, adds among aluminium niobium
Alloy, aluminium yttrium intermediate alloy, aluminium beryllium intermediate alloy, after furnace chargeization is flat, 715 DEG C are at the uniform velocity cooled to 120 DEG C/h speed, is added
Enter copper coin, zinc ingot metal, MAG block, be fully pressed into aluminium liquid, after furnace charge all melts, skim, refining is skimmed, each slag-removing time
Less than 10min；It is incubated 20min, cast；
Wherein, 705 DEG C are warming up to 170 DEG C/h average speed, with the rise of temperature, programming rate increase, and temperature
It is in SIN function relation with the time；745 DEG C are warming up to 150 DEG C/h average speed, with the rise of temperature, programming rate increases
Greatly, and temperature and time is in tan relation；715 DEG C are at the uniform velocity cooled to 120 DEG C/h speed, with the reduction of temperature, drop
Warm speed reduces, and temperature and time is in cotangent relation；
S2, solid solution：Casting in step S1 is placed in holding furnace, 470 DEG C are warming up to 100 DEG C/h average speed,
1h is incubated, then 480 DEG C are at the uniform velocity warming up to 70 DEG C/h speed, is incubated 1h, then 490 are at the uniform velocity warming up to 50 DEG C/h speed
DEG C, it is incubated 1h, quenching, water cooling to room temperature；
S3, timeliness：It is placed in holding furnace after casting in S3 is removed into surface water drops, is heated up with 80 DEG C/h average speed
To 180 DEG C, 3h is incubated；130 DEG C are cooled to 60 DEG C/h average speed again, 1h is incubated, comes out of the stove and be air-cooled to room temperature；
S4, tempering：Casting in S4 is placed in holding furnace, is warming up to 180 DEG C with 70 DEG C/h average speed, insulation
20min, then 220 DEG C are warming up to 40 DEG C/h average speed, 3h is incubated, cools to 120 DEG C with the furnace, taking-up is air-cooled to room temperature.
Embodiment 2
A kind of aluminium alloy bars bat of high-strength corrosion-resistant erosion proposed by the present invention, its constituent include by weight percentage：
Si 0.21%, Fe 0.18%, Cu 0.02%, Mn 0.5%, Mg 0.6%, Cr 0.18%, Zn 4.5%, Ti 0.04%,
Be 0.01%, Y 0.20%, Nb 0.12%, surplus Al.
The production technology of the aluminium alloy bars bat of above-mentioned high-strength corrosion-resistant erosion, step are as follows：
S1, melting：Dispensing is carried out by constituent, corner aluminium scrap material and metallic silicon are mated formation in furnace bottom, then successively
Mat formation aluminium ingot, ferro-aluminum intermediate alloy, aluminium titanium intermediate alloy, aluminium manganese intermediate alloy, aluminium chromium hardener, with being averaged for 170 DEG C/h
Speed is warming up to 700 DEG C, is warming up to 740 DEG C when melting to semisolid, then with 150 DEG C/h average speed, adds among aluminium niobium
Alloy, aluminium yttrium intermediate alloy, aluminium beryllium intermediate alloy, after furnace chargeization is flat, 710 DEG C are at the uniform velocity cooled to 120 DEG C/h speed, is added
Enter copper coin, zinc ingot metal, MAG block, be fully pressed into aluminium liquid, after furnace charge all melts, skim, refining is skimmed, each slag-removing time
Less than 10min, 15min, cast are incubated；
Wherein, 700 DEG C are warming up to 170 DEG C/h average speed, with the rise of temperature, programming rate increase, and temperature
It is in SIN function relation with the time；740 DEG C are warming up to 150 DEG C/h average speed, with the rise of temperature, programming rate increases
Greatly, and temperature and time is in tan relation；710 DEG C are at the uniform velocity cooled to 120 DEG C/h speed, with the reduction of temperature, drop
Warm speed reduces, and temperature and time is in cotangent relation；
S2, solid solution：Casting in step S1 is placed in holding furnace, 470 DEG C are warming up to 100 DEG C/h average speed,
1h is incubated, then 480 DEG C are at the uniform velocity warming up to 70 DEG C/h speed, is incubated 1h, then 490 are at the uniform velocity warming up to 50 DEG C/h speed
DEG C, it is incubated 1.5h, quenching, water cooling to room temperature；
S3, timeliness：It is placed in holding furnace after casting in S3 is removed into surface water drops, is heated up with 80 DEG C/h average speed
To 185 DEG C, 3.5h is incubated；135 DEG C are cooled to 60 DEG C/h average speed again, 1.5h is incubated, comes out of the stove and be air-cooled to room temperature；
S4, tempering：Casting in S4 is placed in holding furnace, is warming up to 185 DEG C with 70 DEG C/h average speed, insulation
25min, then 225 DEG C are warming up to 40 DEG C/h average speed, 3.5h is incubated, cools to 125 DEG C with the furnace, taking-up is air-cooled to room
Temperature.
Embodiment 3
A kind of aluminium alloy bars bat of high-strength corrosion-resistant erosion proposed by the present invention, its constituent include by weight percentage：
Si 0.25%, Fe 0.16%, Cu 0.03%, Mn 0.45%, Mg 0.9%, Cr 0.16%, Zn 4.7%, Ti
0.03%th, Be 0.02%, Y 0.165%, Nb 0.16%, surplus Al.
The production technology of the aluminium alloy bars bat of above-mentioned high-strength corrosion-resistant erosion, step are as follows：
S1, melting：Dispensing is carried out by constituent, corner aluminium scrap material and metallic silicon are mated formation in furnace bottom, then successively
Mat formation aluminium ingot, ferro-aluminum intermediate alloy, aluminium titanium intermediate alloy, aluminium manganese intermediate alloy, aluminium chromium hardener, with being averaged for 170 DEG C/h
Speed is warming up to 705 DEG C, is warming up to 740 DEG C when melting to semisolid, then with 150 DEG C/h average speed, adds among aluminium niobium
Alloy, aluminium yttrium intermediate alloy, aluminium beryllium intermediate alloy, after furnace chargeization is flat, 715 DEG C are at the uniform velocity cooled to 120 DEG C/h speed, is added
Enter copper coin, zinc ingot metal, MAG block, be fully pressed into aluminium liquid, after furnace charge all melts, skim, refining is skimmed, each slag-removing time
Less than 10min, 20min, cast are incubated；
Wherein, 705 DEG C are warming up to 170 DEG C/h average speed, with the rise of temperature, programming rate increase, and temperature
It is in SIN function relation with the time；740 DEG C are warming up to 150 DEG C/h average speed, with the rise of temperature, programming rate increases
Greatly, and temperature and time is in tan relation；715 DEG C are at the uniform velocity cooled to 120 DEG C/h speed, with the reduction of temperature, drop
Warm speed reduces, and temperature and time is in cotangent relation；
S2, solid solution：Casting in step S1 is placed in holding furnace, 470 DEG C are warming up to 100 DEG C/h average speed,
1h is incubated, then 480 DEG C are at the uniform velocity warming up to 70 DEG C/h speed, is incubated 1h, then 490 are at the uniform velocity warming up to 50 DEG C/h speed
DEG C, it is incubated 2h, quenching, water cooling to room temperature；
S3, timeliness：It is placed in holding furnace after casting in S3 is removed into surface water drops, is heated up with 80 DEG C/h average speed
To 185 DEG C, 4h is incubated；135 DEG C are cooled to 60 DEG C/h average speed again, 2h is incubated, comes out of the stove and be air-cooled to room temperature；
S4, tempering：Casting in S4 is placed in holding furnace, is warming up to 190 DEG C with 70 DEG C/h average speed, insulation
30min, then 225 DEG C are warming up to 40 DEG C/h average speed, 4h is incubated, cools to 125 DEG C with the furnace, taking-up is air-cooled to room temperature.
Embodiment 4
A kind of aluminium alloy bars bat of high-strength corrosion-resistant erosion proposed by the present invention, its constituent include by weight percentage：
Si 0.25%, Fe 0.12%, Cu 0.04%, Mn 0.3%, Mg 1.2%, Cr 0.13%, Zn 5.0%, Ti 0.02%,
Be 0.02%, Y 0.15%, Nb 0.18%, surplus Al.
The production technology of the aluminium alloy bars bat of above-mentioned high-strength corrosion-resistant erosion, step are as follows：
S1, melting：Dispensing is carried out by constituent, corner aluminium scrap material and metallic silicon are mated formation in furnace bottom, then successively
Mat formation aluminium ingot, ferro-aluminum intermediate alloy, aluminium titanium intermediate alloy, aluminium manganese intermediate alloy, aluminium chromium hardener, with being averaged for 170 DEG C/h
Speed is warming up to 710 DEG C, is warming up to 750 DEG C when melting to semisolid, then with 150 DEG C/h average speed, adds among aluminium niobium
Alloy, aluminium yttrium intermediate alloy, aluminium beryllium intermediate alloy, after furnace chargeization is flat, 720 DEG C are at the uniform velocity cooled to 120 DEG C/h speed, is added
Enter copper coin, zinc ingot metal, MAG block, be fully pressed into aluminium liquid, after furnace charge all melts, skim, refining is skimmed, each slag-removing time
Less than 10min, 25min, cast are incubated；
Wherein, 710 DEG C are warming up to 170 DEG C/h average speed, with the rise of temperature, programming rate increase, and temperature
It is in SIN function relation with the time；750 DEG C are warming up to 150 DEG C/h average speed, with the rise of temperature, programming rate increases
Greatly, and temperature and time is in tan relation；720 DEG C are at the uniform velocity cooled to 120 DEG C/h speed, with the reduction of temperature, drop
Warm speed reduces, and temperature and time is in cotangent relation；
S2, solid solution：Casting in step S1 is placed in holding furnace, 470 DEG C are warming up to 100 DEG C/h average speed,
1h is incubated, then 480 DEG C are at the uniform velocity warming up to 70 DEG C/h speed, is incubated 1h, then 490 are at the uniform velocity warming up to 50 DEG C/h speed
DEG C, it is incubated 2h, quenching, water cooling to room temperature；
S3, timeliness：It is placed in holding furnace after casting in S3 is removed into surface water drops, is heated up with 80 DEG C/h average speed
To 190 DEG C, 5h is incubated；140 DEG C are cooled to 60 DEG C/h average speed again, 2h is incubated, comes out of the stove and be air-cooled to room temperature；
S4, tempering：Casting in S4 is placed in holding furnace, is warming up to 200 DEG C with 70 DEG C/h average speed, insulation
40min, then 230 DEG C are warming up to 40 DEG C/h average speed, 5h is incubated, cools to 130 DEG C with the furnace, taking-up is air-cooled to room temperature.
Embodiment 5
A kind of aluminium alloy bars bat of high-strength corrosion-resistant erosion proposed by the present invention, its constituent include by weight percentage：
Si 0.22%, Fe 0.15%, Cu 0.02%, Mn 0.42%, Mg 0.85%, Cr 0.15%, Zn 4.65%, Ti
0.025%th, Be 0.015%, Y 0.16%, Nb 0.14%, surplus Al.
The production technology of the aluminium alloy bars bat of above-mentioned high-strength corrosion-resistant erosion, step are as follows：
S1, melting：Dispensing is carried out by constituent, corner aluminium scrap material and metallic silicon are mated formation in furnace bottom, then successively
Mat formation aluminium ingot, ferro-aluminum intermediate alloy, aluminium titanium intermediate alloy, aluminium manganese intermediate alloy, aluminium chromium hardener, with being averaged for 170 DEG C/h
Speed is warming up to 710 DEG C, is warming up to 750 DEG C when melting to semisolid, then with 150 DEG C/h average speed, adds among aluminium niobium
Alloy, aluminium yttrium intermediate alloy, aluminium beryllium intermediate alloy, after furnace chargeization is flat, 710 DEG C are at the uniform velocity cooled to 120 DEG C/h speed, is added
Enter copper coin, zinc ingot metal, MAG block, be fully pressed into aluminium liquid, after furnace charge all melts, skim, refining is skimmed, each slag-removing time
Less than 10min, 25min, cast are incubated；
Wherein, 710 DEG C are warming up to 170 DEG C/h average speed, with the rise of temperature, programming rate increase, and temperature
It is in SIN function relation with the time；750 DEG C are warming up to 150 DEG C/h average speed, with the rise of temperature, programming rate increases
Greatly, and temperature and time is in tan relation；710 DEG C are at the uniform velocity cooled to 120 DEG C/h speed, with the reduction of temperature, drop
Warm speed reduces, and temperature and time is in cotangent relation；
S2, solid solution：Casting in step S1 is placed in holding furnace, 470 DEG C are warming up to 100 DEG C/h average speed,
1h is incubated, then 480 DEG C are at the uniform velocity warming up to 70 DEG C/h speed, is incubated 1h, then 490 are at the uniform velocity warming up to 50 DEG C/h speed
DEG C, it is incubated 2h, quenching, water cooling to room temperature；
S3, timeliness：It is placed in holding furnace after casting in S3 is removed into surface water drops, is heated up with 80 DEG C/h average speed
To 190 DEG C, 4h is incubated；135 DEG C are cooled to 60 DEG C/h average speed again, 1.5h is incubated, comes out of the stove and be air-cooled to room temperature；
S4, tempering：Casting in S4 is placed in holding furnace, is warming up to 190 DEG C with 70 DEG C/h average speed, insulation
30min, then 230 DEG C are warming up to 40 DEG C/h average speed, 5h is incubated, cools to 120 DEG C with the furnace, taking-up is air-cooled to room temperature.
Mechanical performance detects：To the tensile strength of obtained high-strength corrosion-resistant erosion baseball bat, surrender in 1-5 of the embodiment of the present invention
Intensity, hardness, elongation percentage and corrosion resistance are detected, and averaging of income data are shown in Table 1.
The embodiment 1-5 of table 1 mechanical performance parameter
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (9)
1. a kind of aluminium alloy bars bat of high-strength corrosion-resistant erosion, it is characterised in that its constituent includes by weight percentage：Si
0.21-0.25%, Fe 0.12-0.18%, Cu 0.02-0.04%, Mn 0.3-0.5%, Mg 0.6-1.2%, Cr 0.13-
0.18%th, Zn 4.5-5.0%, Ti 0.02-0.04%, Be 0.01-0.02%, Y 0.15-0.20%, Nb 0.12-
0.18%, surplus Al；Wherein, " the relational expression of 1.3%≤Y × Nb/Be≤3% " is met.
2. the aluminium alloy bars bat of high-strength corrosion-resistant erosion according to claim 1, it is characterised in that meet " 7.1≤Mg/Y+
The relational expression of Zn/Mg≤13.4 ".
3. the aluminium alloy bars bat of high-strength corrosion-resistant erosion according to claim 1 or 2, it is characterised in that its constituent is pressed
Percentage by weight includes：Si 0.23-0.25%, Fe 0.15-0.17%, Cu 0.03-0.04%, Mn 0.43-0.48%, Mg
0.9-1.2%, Cr 0.14-0.16%, Zn 4.7-4.9%, Ti 0.02-0.03%, Be 0.015-0.02%, Y 0.16-
0.18%th, Nb 0.15-0.17%, surplus Al.
4. the aluminium alloy bars bat of high-strength corrosion-resistant erosion according to claim 3, it is characterised in that its constituent is by weight
Percentage includes：Si 0.24%, Fe 0.17%, Cu 0.035%, Mn 0.46%, Mg 1.1%, Cr 0.15%, Zn
4.8%th, Ti 0.035%, Be 0.015%, Y 0.17%, Nb 0.15%, surplus Al.
5. a kind of production technology of the aluminium alloy bars bat based on any described high-strength corrosion-resistant erosions of claim 1-4, its feature
It is, step is as follows：
S1, melting：Dispensing is carried out by constituent, corner aluminium scrap material and metallic silicon are mated formation in furnace bottom, then mats formation successively
Aluminium ingot, ferro-aluminum intermediate alloy, aluminium titanium intermediate alloy, aluminium manganese intermediate alloy, aluminium chromium hardener, with 170 DEG C/h average speed
700-710 DEG C is warming up to, 740-750 DEG C is warming up to when melting to semisolid, then with 150 DEG C/h average speed, adds aluminium niobium
Intermediate alloy, aluminium yttrium intermediate alloy, aluminium beryllium intermediate alloy, after furnace chargeization is flat, 710- is at the uniform velocity cooled to 120 DEG C/h speed
720 DEG C, copper coin, zinc ingot metal, MAG block are added, is fully pressed into aluminium liquid, after furnace charge all melts, skimmed, refining is skimmed, insulation
15-25min, it is poured into metal type dies, is molded after alloy melt solidification, and casting is air-cooled to room temperature；
S2, solid solution：Casting in step S1 is placed in holding furnace, is warming up to 470 DEG C with 100 DEG C/h average speed, insulation
1h, then 480 DEG C are at the uniform velocity warming up to 70 DEG C/h speed, 1h is incubated, then 490 DEG C are at the uniform velocity warming up to 50 DEG C/h speed, protect
Warm 1-2h, quenching, water cooling to room temperature；
S3, timeliness：It is placed in holding furnace after casting in S3 is removed into surface water drops, is warming up to 80 DEG C/h average speed
180-190 DEG C, it is incubated 3-5h；130-140 DEG C is cooled to 60 DEG C/h average speed again, 1-2h is incubated, comes out of the stove and be air-cooled to room
Temperature；
S4, tempering：Casting in S4 is placed in holding furnace, is warming up to 180-200 DEG C with 70 DEG C/h average speed, insulation
20-40min, then 220-230 DEG C is warming up to 40 DEG C/h average speed, 3-5h is incubated, 120-130 DEG C is cooled to the furnace, takes
Go out to be air-cooled to room temperature.
6. the production technology of the aluminium alloy bars bat of high-strength corrosion-resistant erosion according to claim 5, it is characterised in that the S1
In, 700-710 DEG C is warming up to 170 DEG C/h average speed, with the rise of temperature, programming rate increase, and temperature and time
In SIN function relation.
7. the production technology of the aluminium alloy bars bat of high-strength corrosion-resistant erosion according to claim 5, it is characterised in that the S1
In, 740-750 DEG C is warming up to 150 DEG C/h average speed, with the rise of temperature, programming rate increase, and temperature and time
In tan relation.
8. the production technology of the aluminium alloy bars bat of high-strength corrosion-resistant erosion according to claim 5, it is characterised in that the S1
In, 710-720 DEG C is at the uniform velocity cooled to 120 DEG C/h speed, with the reduction of temperature, cooling rate reduces, and temperature and time
In cotangent relation.
9. the production technology of the aluminium alloy bars bat of high-strength corrosion-resistant erosion according to claim 5, it is characterised in that the S1
In, each slag-removing time is within 10min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108977708A (en) * | 2018-07-27 | 2018-12-11 | 李明军 | A kind of high-strength corrosion-resisting aluminium alloy castings for new-energy automobile suspension system |
| WO2023015608A1 (en) * | 2021-08-12 | 2023-02-16 | 江苏亨通电力特种导线有限公司 | High strength, high conductivity, intergranular corrosion-resistant aluminum alloy and preparation method therefor |
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| CN108977708A (en) * | 2018-07-27 | 2018-12-11 | 李明军 | A kind of high-strength corrosion-resisting aluminium alloy castings for new-energy automobile suspension system |
| WO2023015608A1 (en) * | 2021-08-12 | 2023-02-16 | 江苏亨通电力特种导线有限公司 | High strength, high conductivity, intergranular corrosion-resistant aluminum alloy and preparation method therefor |
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