CN105385912A - Magnesium alloy sheet and preparing method thereof - Google Patents
Magnesium alloy sheet and preparing method thereof Download PDFInfo
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- CN105385912A CN105385912A CN201510781498.4A CN201510781498A CN105385912A CN 105385912 A CN105385912 A CN 105385912A CN 201510781498 A CN201510781498 A CN 201510781498A CN 105385912 A CN105385912 A CN 105385912A
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- magnesium alloy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
- C22C23/04—Alloys based on magnesium with zinc or cadmium as the next major constituent
-
- 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
Abstract
A magnesium alloy sheet is characterized by comprising, by mass, 7-9% of Zn, 1-2% of Cu, 6-8% of Ca, 0.1-0.2% of Ag, 0.2-0.3% of Ni, 0.1-0.2% of Nd, 0.05-0.08% of Pr, 0.01-0.02% of Al, 0.03-0.04% of Y, 0.01-0.02% of Mn, 0.05-0.06% of La, and the balance magnesium and inevitable nonmetal inclusion. Meanwhile, a corresponding preparing method for the magnesium alloy sheet is provided. The finished magnesium alloy sheet is superior in mechanical performance, the tensile strength can reach more than 350 MPa, the ductility reaches 13%, the earing ratio is decreased to be below 1%, and the plating performance of the sheet is improved.
Description
Technical field
The present invention relates to a kind of magnesium alloy sheet, belong to Magnuminium and manufacture field.
Background technology
In the electronics industry, adopt handset shell that magnesium alloy plate stamping technology is produced compared with corresponding die casting product, have the advantages such as the thin and productivity of wall is high.Therefore magnesium alloy stamping part has a good application prospect, and exploitation magnesium alloy plate punching press and correlation technique thereof have important theory significance and social benefit.But, because magnesium alloy crystalline structure is close-packed hexagonal, plasticity is poor, forming difficulty, lumber recovery is low, the wrong understanding of the shortcoming such as people are inflammable to magnesium alloy, not corrosion-resistant in addition, cause the punching press of wrought magnesium alloys sheet material not obtain large-scale application, the research of wrought magnesium alloys and forming technology is also very insufficient.The sheet material of wrought magnesium alloys, section bar and forging mainly in the application of the field such as Aeronautics and Astronautics and military affairs, do not spread to civil area.Economizing on resources and decreasing pollution social desirability under, wrought magnesium alloys is beneficial to the strategic requirement of Sustainable development, is badly in need of transition of people's conceptions, accelerates research, promote its application in civil area.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is to provide a kind of high-strength magnesium alloy thin plate and preparation method thereof.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of magnesium alloy sheet is provided, each constituent mass percentage composition of described alloy comprises: Zn7-9%, Cu1-2%, Ca6-8%, Ag0.1-0.2%, Ni0.2-0.3%, Nd0.1-0.2%, Pr0.05-0.08%, Al0.01-0.02%, Y0.03-0.04%, Mn0.01-0.02%, La0.05-0.06%, surplus is magnesium and inevitable nonmetal inclusion.
The preparation method of magnesium alloy sheet of the present invention comprises the following step:
(1) magnesium alloy prepares raw material by weight percentage, in intermediate frequency vacuum oven, carry out melting, casts at the temperature of high 60 DEG C of the melt temperature of magnesium alloy, and obtained thickness is at 10mm magnesium alloy thick plate; (2) magnesium alloy ingot is heated to 630 DEG C, insulation homogenizing annealing 8h; (3) magnesium alloy thick plate becomes undaform magnesium alloy plate by mould extruding, and after its extruding, the thickness of magnesium alloy plate is at 4mm.(4) be heated to 500 DEG C to magnesium alloy ingot, insulation 6h, is then hot-rolled down to 2mm by magnesium alloy plate, batches obtained magnesium alloy latten; (5) 4 passages are carried out to magnesium alloy thin coiled material cold rolling, the cold roling reduction of final passage is 18%, final rolling thickness is 0.4mm, (6) heating of metal temperature to 350 DEG C in the lehr, insulation 6h, (7) surface treatment step is carried out: at magnesium alloy sheet surface coating, in case oxidation corrosion.
Described magnesium alloy sheet, chemical component weight per-cent is: Zn8%.
Described magnesium alloy sheet, chemical component weight per-cent is: Cu1.5%.
Described magnesium alloy sheet, chemical component weight per-cent is: Ca7%.
Described magnesium alloy sheet, chemical component weight per-cent is: Ag0.15%.
Described magnesium alloy sheet, chemical component weight per-cent is: Ni0.25%.
Described magnesium alloy sheet, chemical component weight per-cent is: Nd0.15%.
Described magnesium alloy sheet, chemical component weight per-cent is: Pr0.06%.
Described magnesium alloy sheet, chemical component weight per-cent is: Al0.015%.
Described magnesium alloy sheet, chemical component weight per-cent is: Y0.035%.
Described magnesium alloy sheet, chemical component weight per-cent is: Mn0.015%.
Described magnesium alloy sheet, chemical component weight per-cent is: La0.055%.
Compared with prior art, the present invention has following beneficial effect:
The beneficial effect of preparation method of the present invention is:
(1) the present invention is by the alloy element of adjustment magnesium alloy, makes the surface quality of alloy excellent, is suitable for preparing magnesium alloy sheet;
(2) finished product machinery excellent performance, tensile strength reaches more than 350MPa, and unit elongation reaches 13%, and earing rate reduces in 1%, improves the coating performance of thin plate.
Embodiment
Embodiment 1:
A kind of magnesium alloy sheet, each constituent mass percentage composition of described alloy comprises: Zn7%, Cu1%, Ca6%, Ag0.1%, Ni0.2%, Nd0.1%, Pr0.05%, Al0.01%, Y0.03%, Mn0.01%, La0.05%, surplus is magnesium and inevitable nonmetal inclusion.
The preparation method of magnesium alloy sheet of the present invention comprises the following step:
(1) magnesium alloy prepares raw material by weight percentage, in intermediate frequency vacuum oven, carry out melting, casts at the temperature of high 60 DEG C of the melt temperature of magnesium alloy, and obtained thickness is at 10mm magnesium alloy thick plate; (2) magnesium alloy ingot is heated to 630 DEG C, insulation homogenizing annealing 8h; (3) magnesium alloy thick plate becomes undaform magnesium alloy plate by mould extruding, and after its extruding, the thickness of magnesium alloy plate is at 4mm.(4) be heated to 500 DEG C to magnesium alloy ingot, insulation 6h, is then hot-rolled down to 2mm by magnesium alloy plate, batches obtained magnesium alloy latten; (5) 4 passages are carried out to magnesium alloy thin coiled material cold rolling, the cold roling reduction of final passage is 18%, final rolling thickness is 0.4mm, (6) heating of metal temperature to 350 DEG C in the lehr, insulation 6h, (7) surface treatment step is carried out: at magnesium alloy sheet surface coating, in case oxidation corrosion.
Embodiment 2:
A kind of magnesium alloy sheet, each constituent mass percentage composition of described alloy comprises: Zn9%, Cu2%, Ca8%, Ag0.2%, Ni0.3%, Nd0.2%, Pr0.08%, Al0.02%, Y0.04%, Mn0.02%, La0.06%, surplus is magnesium and inevitable nonmetal inclusion.
The preparation method of magnesium alloy sheet of the present invention comprises the following step:
(1) magnesium alloy prepares raw material by weight percentage, in intermediate frequency vacuum oven, carry out melting, casts at the temperature of high 60 DEG C of the melt temperature of magnesium alloy, and obtained thickness is at 10mm magnesium alloy thick plate; (2) magnesium alloy ingot is heated to 630 DEG C, insulation homogenizing annealing 8h; (3) magnesium alloy thick plate becomes undaform magnesium alloy plate by mould extruding, and after its extruding, the thickness of magnesium alloy plate is at 4mm.(4) be heated to 500 DEG C to magnesium alloy ingot, insulation 6h, is then hot-rolled down to 2mm by magnesium alloy plate, batches obtained magnesium alloy latten; (5) 4 passages are carried out to magnesium alloy thin coiled material cold rolling, the cold roling reduction of final passage is 18%, final rolling thickness is 0.4mm, (6) heating of metal temperature to 350 DEG C in the lehr, insulation 6h, (7) surface treatment step is carried out: at magnesium alloy sheet surface coating, in case oxidation corrosion.
Embodiment 3:
A kind of magnesium alloy sheet, each constituent mass percentage composition of described alloy comprises: Zn8%, Cu1.5%, Ca7%, Ag0.15%, Ni0.25%, Nd0.15%, Pr0.06%, Al0.015%, Y0.035%, Mn0.015%, La0.055%, surplus is magnesium and inevitable nonmetal inclusion.
The preparation method of magnesium alloy sheet of the present invention comprises the following step:
(1) magnesium alloy prepares raw material by weight percentage, in intermediate frequency vacuum oven, carry out melting, casts at the temperature of high 60 DEG C of the melt temperature of magnesium alloy, and obtained thickness is at 10mm magnesium alloy thick plate; (2) magnesium alloy ingot is heated to 630 DEG C, insulation homogenizing annealing 8h; (3) magnesium alloy thick plate becomes undaform magnesium alloy plate by mould extruding, and after its extruding, the thickness of magnesium alloy plate is at 4mm.(4) be heated to 500 DEG C to magnesium alloy ingot, insulation 6h, is then hot-rolled down to 2mm by magnesium alloy plate, batches obtained magnesium alloy latten; (5) 4 passages are carried out to magnesium alloy thin coiled material cold rolling, the cold roling reduction of final passage is 18%, final rolling thickness is 0.4mm, (6) heating of metal temperature to 350 DEG C in the lehr, insulation 6h, (7) surface treatment step is carried out: at magnesium alloy sheet surface coating, in case oxidation corrosion.
Embodiment 4:
A kind of magnesium alloy sheet, each constituent mass percentage composition of described alloy comprises: Zn8%, Cu1.5%, Ca7%, Ag0.15%, Ni0.25%, Nd0.15%, Pr0.07%, Al0.015%, Y0.035%, Mn0.015%, La0.055%, surplus is magnesium and inevitable nonmetal inclusion.
The preparation method of magnesium alloy sheet of the present invention comprises the following step:
(1) magnesium alloy prepares raw material by weight percentage, in intermediate frequency vacuum oven, carry out melting, casts at the temperature of high 60 DEG C of the melt temperature of magnesium alloy, and obtained thickness is at 10mm magnesium alloy thick plate; (2) magnesium alloy ingot is heated to 630 DEG C, insulation homogenizing annealing 8h; (3) magnesium alloy thick plate becomes undaform magnesium alloy plate by mould extruding, and after its extruding, the thickness of magnesium alloy plate is at 4mm.(4) be heated to 500 DEG C to magnesium alloy ingot, insulation 6h, is then hot-rolled down to 2mm by magnesium alloy plate, batches obtained magnesium alloy latten; (5) 4 passages are carried out to magnesium alloy thin coiled material cold rolling, the cold roling reduction of final passage is 18%, final rolling thickness is 0.4mm, (6) heating of metal temperature to 350 DEG C in the lehr, insulation 6h, (7) surface treatment step is carried out: at magnesium alloy sheet surface coating, in case oxidation corrosion.
Embodiment 5:
A kind of magnesium alloy sheet, each constituent mass percentage composition of described alloy comprises: Zn9%, Cu1.5%, Ca7%, Ag0.15%, Ni0.25%, Nd0.15%, Pr0.07%, Al0.015%, Y0.035%, Mn0.015%, La0.055%, surplus is magnesium and inevitable nonmetal inclusion.
The preparation method of magnesium alloy sheet of the present invention comprises the following step:
(1) magnesium alloy prepares raw material by weight percentage, in intermediate frequency vacuum oven, carry out melting, casts at the temperature of high 60 DEG C of the melt temperature of magnesium alloy, and obtained thickness is at 10mm magnesium alloy thick plate; (2) magnesium alloy ingot is heated to 630 DEG C, insulation homogenizing annealing 8h; (3) magnesium alloy thick plate becomes undaform magnesium alloy plate by mould extruding, and after its extruding, the thickness of magnesium alloy plate is at 4mm.(4) be heated to 500 DEG C to magnesium alloy ingot, insulation 6h, is then hot-rolled down to 2mm by magnesium alloy plate, batches obtained magnesium alloy latten; (5) 4 passages are carried out to magnesium alloy thin coiled material cold rolling, the cold roling reduction of final passage is 18%, final rolling thickness is 0.4mm, (6) heating of metal temperature to 350 DEG C in the lehr, insulation 6h, (7) surface treatment step is carried out: at magnesium alloy sheet surface coating, in case oxidation corrosion.
Embodiment 6:
A kind of magnesium alloy sheet, each constituent mass percentage composition of described alloy comprises: Zn7%, Cu1.5%, Ca7%, Ag0.15%, Ni0.25%, Nd0.15%, Pr0.07%, Al0.015%, Y0.035%, Mn0.015%, La0.055%, surplus is magnesium and inevitable nonmetal inclusion.
The preparation method of magnesium alloy sheet of the present invention comprises the following step:
(1) magnesium alloy prepares raw material by weight percentage, in intermediate frequency vacuum oven, carry out melting, casts at the temperature of high 60 DEG C of the melt temperature of magnesium alloy, and obtained thickness is at 10mm magnesium alloy thick plate; (2) magnesium alloy ingot is heated to 630 DEG C, insulation homogenizing annealing 8h; (3) magnesium alloy thick plate becomes undaform magnesium alloy plate by mould extruding, and after its extruding, the thickness of magnesium alloy plate is at 4mm.(4) be heated to 500 DEG C to magnesium alloy ingot, insulation 6h, is then hot-rolled down to 2mm by magnesium alloy plate, batches obtained magnesium alloy latten; (5) 4 passages are carried out to magnesium alloy thin coiled material cold rolling, the cold roling reduction of final passage is 18%, final rolling thickness is 0.4mm, (6) heating of metal temperature to 350 DEG C in the lehr, insulation 6h, (7) surface treatment step is carried out: at magnesium alloy sheet surface coating, in case oxidation corrosion.
Claims (8)
1. a magnesium alloy sheet, it is characterized in that: each constituent mass percentage composition of described alloy comprises: Zn7-9%, Cu1-2%, Ca6-8%, Ag0.1-0.2%, Ni0.2-0.3%, Nd0.1-0.2%, Pr0.05-0.08%, Al0.01-0.02%, Y0.03-0.04%, Mn0.01-0.02%, La0.05-0.06%, surplus is magnesium and inevitable nonmetal inclusion.
2. magnesium alloy sheet as claimed in claim 1, chemical component weight per-cent is: Zn8%.
3. magnesium alloy sheet as claimed in claim 1, chemical component weight per-cent is: Cu1.5%.
4. magnesium alloy sheet as claimed in claim 1, chemical component weight per-cent is: Ca7%.
5. magnesium alloy sheet as claimed in claim 1, chemical component weight per-cent is: Ag0.15%.
6. magnesium alloy sheet as claimed in claim 1, chemical component weight per-cent is: Ni0.25%.
7. magnesium alloy sheet as claimed in claim 1, chemical component weight per-cent is: Nd0.15%.
8. prepare a method for magnesium alloy sheet as described in claim 1-7, it is characterized in that:
Described preparation method comprises the following step:
(1) magnesium alloy prepares raw material by weight percentage, in intermediate frequency vacuum oven, carry out melting, casts at the temperature of high 60 DEG C of the melt temperature of magnesium alloy, and obtained thickness is at 10mm magnesium alloy thick plate; (2) magnesium alloy ingot is heated to 630 DEG C, insulation homogenizing annealing 8h; (3) magnesium alloy thick plate becomes undaform magnesium alloy plate by mould extruding, after its extruding, the thickness of magnesium alloy plate is at 4mm, and (4) are heated to 500 DEG C to magnesium alloy ingot, insulation 6h, then magnesium alloy plate is hot-rolled down to 2mm, batches obtained magnesium alloy latten; (5) 4 passages are carried out to magnesium alloy thin coiled material cold rolling, the cold roling reduction of final passage is 18%, final rolling thickness is 0.4mm, (6) heating of metal temperature to 350 DEG C in the lehr, insulation 6h, (7) surface treatment step is carried out: at magnesium alloy sheet surface coating, in case oxidation corrosion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781498.4A CN105385912A (en) | 2015-11-13 | 2015-11-13 | Magnesium alloy sheet and preparing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781498.4A CN105385912A (en) | 2015-11-13 | 2015-11-13 | Magnesium alloy sheet and preparing method thereof |
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| CN105385912A true CN105385912A (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510781498.4A Pending CN105385912A (en) | 2015-11-13 | 2015-11-13 | Magnesium alloy sheet and preparing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988537A (en) * | 2017-11-29 | 2018-05-04 | 宁波市鄞州隆茂冲压件厂 | A kind of hinge |
| CN111527220A (en) * | 2017-12-26 | 2020-08-11 | 株式会社Posco | Magnesium alloy sheet material and method for producing same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08134581A (en) * | 1994-11-14 | 1996-05-28 | Mitsui Mining & Smelting Co Ltd | Production of magnesium alloy |
| CN103710601A (en) * | 2014-01-16 | 2014-04-09 | 张霞 | Hot-rolled magnesium-zinc alloy sheet and manufacturing method thereof |
| CN103725941A (en) * | 2014-01-16 | 2014-04-16 | 张霞 | Magnesium zinc copper alloy sheet subjected to surface treatment and manufacturing method thereof |
| CN104498790A (en) * | 2014-12-01 | 2015-04-08 | 中国兵器科学研究院宁波分院 | Degradable magnesium alloy bio-implantation material and preparation method thereof |
-
2015
- 2015-11-13 CN CN201510781498.4A patent/CN105385912A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08134581A (en) * | 1994-11-14 | 1996-05-28 | Mitsui Mining & Smelting Co Ltd | Production of magnesium alloy |
| CN103710601A (en) * | 2014-01-16 | 2014-04-09 | 张霞 | Hot-rolled magnesium-zinc alloy sheet and manufacturing method thereof |
| CN103725941A (en) * | 2014-01-16 | 2014-04-16 | 张霞 | Magnesium zinc copper alloy sheet subjected to surface treatment and manufacturing method thereof |
| CN104498790A (en) * | 2014-12-01 | 2015-04-08 | 中国兵器科学研究院宁波分院 | Degradable magnesium alloy bio-implantation material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 唐磊: "《轻量化材料技术》", 31 January 2014, 国防工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988537A (en) * | 2017-11-29 | 2018-05-04 | 宁波市鄞州隆茂冲压件厂 | A kind of hinge |
| CN111527220A (en) * | 2017-12-26 | 2020-08-11 | 株式会社Posco | Magnesium alloy sheet material and method for producing same |
| US11773472B2 (en) | 2017-12-26 | 2023-10-03 | Posco Co., Ltd | Magnesium alloy sheet and method for producing same |
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Application publication date: 20160309 |
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