CN106756680A - A kind of processing method of high-strength magnesium alloy small-sized bar - Google Patents
A kind of processing method of high-strength magnesium alloy small-sized bar Download PDFInfo
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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
- C22F1/06—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of magnesium or alloys based thereon
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Abstract
The invention discloses a kind of processing method of high-strength magnesium alloy small-sized bar, the method is：Magnesium alloy bar stock is carried out into multi-pass hot-swage at a certain temperature, obtain the diameter no more than magnesium alloy rod of 10mm, the tensile strength of the magnesium alloy rod is more than 290MPa, the yield strength of the magnesium alloy rod is more than 250MPa, the accumulation compression ratio of the magnesium alloy rod is 60%~98%, intermediate annealing process are wherein carried out when the accumulation compression ratio of hot-swage is more than 70%, the accumulation compression ratio between adjacent intermediate annealing process twice is 70%~85%., using on-line heating, the method processing magnesium alloy small-sized bar of continuous hot-swage, accurate with temperature control, the thermal efficiency is high for the present invention, the characteristics of performance test is uniform and stable, linearity is high.Additionally, the compression ratio of its single pass can be improved using processing magnesium alloy bar of the present invention, crystal grain thinning, broken second phase, so as to significantly lift the intensity of bar.
Description
Technical field
The invention belongs to the forming processing technology field of non-ferrous metal, and in particular to a kind of high-strength magnesium alloy small dimension rod
The hot-swage method of material.
Background technology
Metal bar is a kind of widely used section bar, and the magnesium alloy rod of high intensity has as degradable metal section bar
Good application prospect.At present, magnesium alloy rod is mainly processed by the method for casting and extruding.Cast magnesium alloy coarse grains
And mechanical property is poor.Comparatively speaking, the magnesium alloy rod crystal grain that prepared by extruding is tiny and with intensity and plasticity higher.So
And, the small dimension magnesium alloy rod for extruding below diameter 10mm requires that mould the loss of higher and mould is serious, and squeezes out
Bar linearity it is poor.Plastic deformation is the important method for lifting magnesium alloy mechanical property especially intensity.However, magnesium alloy
It is Patterns for Close-Packed Hexagonal Crystal structure, deformation at room temperature easily ftractures, high temperature deformation easily occurs crystal grain and grows up and hot tearing again, appropriate change
Shape temperature range is narrow.
The content of the invention
The technical problems to be solved by the invention are that, for above-mentioned the deficiencies in the prior art, the present invention provides a kind of high-strength
The processing method for spending magnesium alloy small-sized bar.The method is forged and pressed using the high frequency time of method for rotary swaging, thinning microstructure, so that
Significantly lift the intensity of magnesium alloy rod.The magnesium alloy small-sized bar processed using the method for the present invention, its tensile strength
With yield strength 33%~44% and 33%~50% can be respectively lifted compared with prepared by extruding.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of high-strength magnesium alloy small-sized bar
Processing method, it is characterised in that the method is：It is 280 DEG C~380 in temperature by the magnesium alloy bar stock that diameter is not more than 50mm
Multi-pass hot-swage is carried out under conditions of DEG C, the diameter no more than magnesium alloy rod of 10mm is obtained, the magnesium alloy rod it is anti-
Tensile strength is more than 290MPa, and the yield strength of the magnesium alloy rod is more than 250MPa, and the Reduction per draft of the hot-swage is
15%~40%, the accumulation compression ratio of the magnesium alloy rod is 60%~98%, wherein when the accumulation compression ratio of hot-swage surpasses
Intermediate annealing process are carried out when 70%, the accumulation compression ratio between adjacent intermediate annealing process twice is 70%~85%, institute
It is 200 DEG C~450 DEG C to state the temperature of intermediate annealing process, and the soaking time of the annealing is 20min~60min.
A kind of processing method of above-mentioned high-strength magnesium alloy small-sized bar, it is characterised in that the magnesium alloy bar stock
Before hot-swage, in the outer uniform application lubricant of the magnesium alloy bar stock, the lubricant is by graphite powder, molybdenum bisuphide and butter
According to 2:1:The mass ratio of (10~15) is mixed.
A kind of processing method of above-mentioned high-strength magnesium alloy small-sized bar, it is characterised in that every time hot-swage and
Mechanical grinding is carried out to magnesium alloy bar stock after intermediate annealing heat treatment.
A kind of processing method of above-mentioned high-strength magnesium alloy small-sized bar, it is characterised in that the hot-swage process
The rotating speed of the middle head spindle that controls to swage is 200r/min~400r/min.
The processing method of above-mentioned a kind of high-strength magnesium alloy small-sized bar, it is characterised in that the hot-swage is sent
Material speed is 0.2m/min~2m/min.
The present invention is prepared during high-strength magnesium alloy small-sized bar, and compression ratio refers to the deformation produced by bar compressive strain
Percentage, computing formula is：(A0-A1) × 100%/A0, wherein A0It is the sectional area of bar before deformation, A1It is bar after deformation
Sectional area, Reduction per draft refers to by the percent deformation produced by bar after a second processing, if accumulation compression ratio refer to by
The percent deformation that bar accumulation is produced after arterial highway time.
The present invention has advantages below compared with prior art：
1st, the present invention prepares magnesium alloy small-sized bar using hot-swage method, and the method is forged using the high frequency time of processing of swaging
Magnesium alloy can produce larger compressive strain, thinning microstructure under pressure and hot-working, so as to significantly lift the intensity of magnesium alloy rod.
2nd, deformation temperature selection of the invention is more at this temperature mainly due to magnesium alloy at 280 DEG C~380 DEG C
Slip system can start participation deformation, it is easy to shape, crystal grain refinement significantly so that strength enhancing becomes apparent from.
3rd, when the accumulation compression ratio of magnesium alloy rod prepared by the present invention is 60%~70%, can be produced without intermediate annealing
The magnesium alloy rod of raw high intensity, the technological process is short, efficiency high, energy-conservation；If magnesium alloy rod accumulation compression ratio is more than 70%
When, intermediate annealing heat treatment need to be carried out, hot-swage is then proceeded to, can on a large scale regulate and control the specification of bar, technique is easy to
Control, the small-sized bar plasticity prepared is more excellent.
4th, the magnesium alloy small-sized bar processed using the method for the present invention, tensile strength and yield strength are relatively extruded and can divided
33%~44% and 33%~50% is not improved.
5th, the present invention is used by graphite powder, molybdenum bisuphide and butter according to 2:1:What the mass ratio of (10~15) was mixed
Lubricant smears magnesium alloy bar stock, and the magnesium alloy rod processed by multi-pass hot-swage has preferably surface quality.
6th, processing method of the invention is applied to the preparation of magnesium alloy rod, and especially magnesium alloy of the diameter less than 10mm is small
Scale rod bar, it is to avoid the technique that existing processing method is present is difficult to control to problem poor with stability, that linearity is poor.
Technical scheme is described in further detail below by drawings and Examples.
Brief description of the drawings
Fig. 1 is the micro-organization chart of WE54 magnesium alloy rods prepared by the embodiment of the present invention 4.
Fig. 2 is the micro-organization chart of AZ31 magnesium alloy rods prepared by the embodiment of the present invention 5.
Specific embodiment
Embodiment 1
By taking the AZ61 magnesium alloy rods of hot-swage method processing diameter 4.5mm as an example, method is as follows：
AZ61 magnesium alloys bar stock to diameter 12mm carries out 4 passage hot-swages, obtains the AZ61 magnesium alloys of a diameter of 4.5mm
Bar, is 85.9% through the accumulation compression ratio of the AZ61 magnesium alloy rods after 4 passage hot-swages, is closed in magnesium before every time hot-swage
The outer uniform application of golden bar stock is by graphite powder, molybdenum bisuphide and butter according to 2:1:The lubricant of 12.5 mass ratio mixing, heat rotation
The feeding speed of forging is 0.2m/min~1m/min, and hot-swage technological parameter is shown in Table 1；
The hot-swage technological parameter of the embodiment 1 of table 1
Mechanical grinding is carried out to magnesium alloy bar stock after 1st~4 passage hot-swage；To magnesium alloy after 3rd passage hot-swage
Bar stock carries out 350 DEG C of intermediate annealing process of insulation 40min, surface then is polished into bright, then carry out the 4th passage hot-swage.
The tensile strength intensity of AZ61 magnesium alloy rods prepared by this example is 326MPa, and yield strength is 271MPa, and
The tensile strength intensity for using the AZ61 magnesium alloy rods of the same size of conventional extruded method processing is 244MPa, and yield strength is
201MPa.As can be seen here, the tensile strength of the AZ61 magnesium alloy rods processed using the method for the present embodiment is than conventional extruded method
The tensile strength of the AZ61 magnesium alloy rods of preparation is high by 33.6%, and yield strength is high by 34.8%.
Embodiment 2
By taking the Mg-2Zn-0.1Ca bars of hot-swage method processing diameter 10mm as an example, method is as follows：
Mg-2Zn-0.1Ca bar stocks to diameter 30mm carry out 7 passage hot-swages, obtain the Mg-2Zn- of a diameter of 10mm
0.1Ca bars, are 88.9% through the accumulation compression ratio of the Mg-2Zn-0.1Ca bars after 7 passage hot-swages, every time heat
Before swaging in the outer uniform application of magnesium alloy bar stock by graphite powder, molybdenum bisuphide and butter according to 2:1:The profit of 15 mass ratio mixing
Lubrication prescription, the feeding speed of hot-swage is 0.8m/min~2m/min, and hot-swage technological parameter is shown in Table 2；
The hot-swage technological parameter of the embodiment 2 of table 2
Mechanical grinding is carried out to magnesium alloy bar stock after 1st~7 passage hot-swage；To magnesium alloy after 4th passage hot-swage
Bar stock carries out 200 DEG C of intermediate annealing process of insulation 60min, surface then is polished into bright, then carry out the 5th passage hot-swage.
The tensile strength intensity of Mg-2Zn-0.1Ca bars prepared by this example is 391MPa, and yield strength is 337MPa,
And the tensile strength intensity of the Mg-2Zn-0.1Ca bars of the same size of conventional extruded method processing is used for 283MPa, surrender is strong
It is 230MPa to spend.As can be seen here, the tensile strength of the Mg-2Zn-0.1Ca bars processed using the method for the present embodiment is than tradition
The tensile strength of Mg-2Zn-0.1Ca bars prepared by extrusion is high by 38.2%, and yield strength is high by 46.5%.
Embodiment 3
By taking the Mg-5Zn bars of hot-swage method processing diameter 8mm as an example, method is as follows：
Mg-5Zn bar stocks to diameter 50mm carry out 6 passage hot-swages, the Mg-5Zn bars of a diameter of 8mm are obtained, through 6 roads
The accumulation compression ratio of the Mg-5Zn bars after secondary hot-swage is 84%, uniform outside magnesium alloy bar stock before every time hot-swage
Smear by graphite powder, molybdenum bisuphide and butter according to 2:1:The lubricant of 15 mass ratio mixing, the feeding speed of hot-swage is
0.2m/min~2m/min, hot-swage technological parameter is shown in Table 3；
The hot-swage technological parameter of the embodiment 3 of table 3
Mechanical grinding is carried out to magnesium alloy bar stock after 1st~11 passage hot-swage；To magnesium alloy after 4th passage hot-swage
Bar stock carries out 250 DEG C of intermediate annealing process of insulation 60min, surface then is polished into bright, then carry out the 5th passage hot-swage；
250 DEG C of intermediate annealing process of insulation 60min are carried out to magnesium alloy bar stock after 8th passage hot-swage, then surface is polished light
It is bright, then carry out the 9th passage hot-swage.
The tensile strength intensity of Mg-5Zn bars prepared by this example is 383MPa, and yield strength is 322MPa, and is used
The tensile strength intensity of the Mg-5Zn bars of the same size of conventional extruded method processing is 288MPa, and yield strength is 241MPa.
As can be seen here, the tensile strength of the Mg-5Zn bars processed using the method for the present embodiment is than Mg-5Zn prepared by conventional extruded method
The tensile strength of bar is high by 33%, and yield strength is high by 33.6%.
Embodiment 4
By taking the WE54 magnesium alloy rods of hot-swage method processing diameter 3.6mm as an example, method is as follows：
WE54 magnesium alloys bar stock to diameter 24mm carries out 10 passage hot-swages, and the WE54 magnesium for obtaining a diameter of 4.5mm is closed
Golden bar, the accumulation compression ratio of WE54 magnesium alloy rods described in 10 passages is 97.8%, is closed in WE54 magnesium before every time hot-swage
The outer uniform application of golden bar stock is by graphite powder, molybdenum bisuphide and butter according to 2:1:The lubricant of 10 mass ratio mixing, hot-swage
Feeding speed be 0.2m/min~1m/min, hot-swage technological parameter is shown in Table 4；
The hot-swage technological parameter of the embodiment 4 of table 4
Mechanical grinding is carried out to magnesium alloy bar stock after 1st~10 passage hot-swage；To magnesium alloy after 4th passage hot-swage
Bar stock carries out 450 DEG C of intermediate annealing process of insulation 20min, surface then is polished into bright, then carry out the 5th passage hot-swage；
450 DEG C of intermediate annealing process of insulation 20min are carried out after 8th passage hot-swage to WE54 magnesium alloys bar stock, then surface is beaten
Polishing is bright, then carries out the 9th passage hot-swage.
Fig. 1 is the micro-organization chart of WE54 magnesium alloy rods manufactured in the present embodiment, as can be seen from the figure the alloy
Second is mutually broken and is evenly distributed, and crystal grain is very tiny.The tensile strength intensity of WE54 magnesium alloy rods prepared by this example
It is 367MPa, yield strength is 296MPa, and uses the anti-of the WE54 magnesium alloy rods of the same size of conventional extruded method processing
Tensile strength intensity is 266MPa, and yield strength is 212MPa.As can be seen here, the WE54 magnesium processed using the method for the present embodiment is closed
The tensile strength of golden bar is higher by 40% than the tensile strength of WE54 magnesium alloy rods prepared by conventional extruded method, and yield strength is high
39.6%.
Embodiment 5
By taking the AZ31 magnesium alloy rods of hot-swage method processing diameter 8mm as an example, method is as follows：
AZ31 magnesium alloys bar stock to diameter 14mm carries out 4 passage hot-swages, obtains the AZ31 magnesium alloys of a diameter of 4.5mm
Bar, is 67.4% through the accumulation compression ratio of the AZ31 magnesium alloy rods after 4 passage hot-swages, is closed in magnesium before every time hot-swage
The outer uniform application of golden bar stock is by graphite powder, molybdenum bisuphide and butter according to 2:1:The lubricant of 12.5 mass ratio mixing, per pass
Mechanical grinding is carried out after secondary hot-swage to magnesium alloy bar stock, the feeding speed of hot-swage is 0.2m/min~1m/min, hot-swage
Technological parameter is shown in Table 5；
The hot-swage technological parameter of the embodiment 5 of table 5
It is not required to carry out intermediate annealing heat treatment during AZ31 magnesium alloy rods prepared by this example.
Fig. 2 is the micro-organization chart of AZ31 magnesium alloy rods manufactured in the present embodiment, as can be seen from the figure the alloy
Tissue is than more uniform, and crystal grain is tiny；The tensile strength intensity of AZ31 magnesium alloy rods prepared by this example is 337MPa, and surrender is strong
It is 280MPa to spend, and use conventional extruded method process same size AZ31 magnesium alloy rods tensile strength intensity for
234MPa, yield strength is 187MPa.As can be seen here, the tension of the AZ31 magnesium alloy rods processed using the method for the present embodiment
The tensile strength of AZ31 magnesium alloy rods prepared by strength ratio conventional extruded method is high by 44%, and yield strength is high by 49.7%.And this
It is not required to carry out intermediate annealing heat treatment during AZ31 magnesium alloy rods prepared by example, needs to carry out compared to embodiment 1~4
The preparation method of intermediate annealing heat treatment, the method also substantially reduces processing cost, reduce process time, improve processing effect
Rate, the AZ31 magnesium alloy rods prepared can reach the mechanical property requirements of application.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions.It is every according to invention skill
Any simple modification, change and equivalence change that art is substantially made to above example, still fall within technical solution of the present invention
Protection domain in.
Claims (5)
1. a kind of processing method of high-strength magnesium alloy small-sized bar, it is characterised in that the method is：Diameter is not more than
The magnesium alloy bar stock of 50mm carries out multi-pass hot-swage under conditions of being 280 DEG C~380 DEG C in temperature, obtains diameter and is not more than
The magnesium alloy rod of 10mm, the tensile strength of the magnesium alloy rod is more than 290MPa, the yield strength of the magnesium alloy rod
More than 250MPa, the Reduction per draft of the hot-swage is 15%~40%, and the accumulation compression ratio of the magnesium alloy rod is
60%~98%, wherein carrying out intermediate annealing process when the accumulation compression ratio of hot-swage is more than 70%, adjacent centre twice is moved back
Accumulation compression ratio between fire treatment is 70%~85%, and the temperature of the intermediate annealing process is 200 DEG C~450 DEG C, described
The soaking time of annealing is 20min~60min.
2. the processing method of a kind of high-strength magnesium alloy small-sized bar according to claim 1, it is characterised in that described
Before magnesium alloy bar stock hot-swage, in the outer uniform application lubricant of the magnesium alloy bar stock, the lubricant is by graphite powder, two sulphur
Change molybdenum and butter according to 2:1:The mass ratio of (10~15) is mixed.
3. a kind of processing method of high-strength magnesium alloy small-sized bar according to claim 1, it is characterised in that per pass
Mechanical grinding is carried out to magnesium alloy bar stock after secondary hot-swage and intermediate annealing heat treatment.
4. the processing method of a kind of high-strength magnesium alloy small-sized bar according to claim 1, it is characterised in that described
The rotating speed of head spindle of controlling to swage during hot-swage is 200r/min~400r/min.
5. the processing method of a kind of high-strength magnesium alloy small-sized bar according to claim 1, it is characterised in that described
The feeding speed of hot-swage is 0.2m/min~2m/min.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09248649A (en) * | 1996-03-14 | 1997-09-22 | Sumitomo Metal Ind Ltd | Manufacture of forged light aluminum wheel with excellent durability and corrosion resistance |
| CN101586223A (en) * | 2009-05-14 | 2009-11-25 | 上海交通大学 | Wrought magnesium alloys containing rare earth |
| CN101745592A (en) * | 2010-01-15 | 2010-06-23 | 北京工业大学 | Rotary swaging preparation method for high-strength magnesium alloy wire |
| CN102312143A (en) * | 2011-10-12 | 2012-01-11 | 中南大学 | Forging method of high-strength heatproof magnesium alloy |
| CN105414426A (en) * | 2015-12-11 | 2016-03-23 | 西北有色金属研究院 | Hot rotary forging method of zinc alloy small-specification pipe or rod |
-
2016
- 2016-11-23 CN CN201611037633.5A patent/CN106756680B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09248649A (en) * | 1996-03-14 | 1997-09-22 | Sumitomo Metal Ind Ltd | Manufacture of forged light aluminum wheel with excellent durability and corrosion resistance |
| CN101586223A (en) * | 2009-05-14 | 2009-11-25 | 上海交通大学 | Wrought magnesium alloys containing rare earth |
| CN101745592A (en) * | 2010-01-15 | 2010-06-23 | 北京工业大学 | Rotary swaging preparation method for high-strength magnesium alloy wire |
| CN102312143A (en) * | 2011-10-12 | 2012-01-11 | 中南大学 | Forging method of high-strength heatproof magnesium alloy |
| CN105414426A (en) * | 2015-12-11 | 2016-03-23 | 西北有色金属研究院 | Hot rotary forging method of zinc alloy small-specification pipe or rod |
Cited By (29)
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| CN108262368A (en) * | 2017-08-21 | 2018-07-10 | 广东省材料与加工研究所 | A kind of preparation method of high-performance medical magnesium alloy thin-wall pipes |
| CN108754268A (en) * | 2018-07-07 | 2018-11-06 | 中南大学 | A kind of low rare earth nano magnesium alloy preparation method of high thermal stability |
| CN108796330A (en) * | 2018-07-07 | 2018-11-13 | 中南大学 | A kind of strong Mg-Gd-Y-Zr nanometers of isomery magnesium alloy preparation method of superelevation |
| CN108707847A (en) * | 2018-07-07 | 2018-10-26 | 中南大学 | A kind of low rare earth nano isomery magnesium alloy aging thermal treating process |
| CN108715965A (en) * | 2018-07-07 | 2018-10-30 | 中南大学 | A kind of atom segregation and elementide strengthen VW93M magnesium alloy methods |
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| CN114366271A (en) * | 2021-11-22 | 2022-04-19 | 奚廷斐 | Bone screw suitable for biological magnesium alloy and preparation method thereof |
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