CN117617756A - Electromagnetic heating titanium alloy pot and manufacturing method thereof - Google Patents
Electromagnetic heating titanium alloy pot and manufacturing method thereof Download PDFInfo
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- CN117617756A CN117617756A CN202311472830.XA CN202311472830A CN117617756A CN 117617756 A CN117617756 A CN 117617756A CN 202311472830 A CN202311472830 A CN 202311472830A CN 117617756 A CN117617756 A CN 117617756A
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- pot
- titanium alloy
- pot body
- electromagnetic heating
- titanium
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 55
- 238000010438 heat treatment Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000010936 titanium Substances 0.000 claims abstract description 38
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 25
- 238000003466 welding Methods 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 15
- 238000003723 Smelting Methods 0.000 claims description 12
- 238000005242 forging Methods 0.000 claims description 12
- 238000005498 polishing Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 238000004381 surface treatment Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910011212 Ti—Fe Inorganic materials 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 6
- 229910052729 chemical element Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000005554 pickling Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 description 5
- 244000137852 Petrea volubilis Species 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005288 electromagnetic effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention belongs to the technical field of pot processing, and particularly relates to an electromagnetic heating titanium alloy pot and a manufacturing method thereof. The utility model provides a but electromagnetic heating titanium alloy pan, includes the pot body and bottom of a boiler, the pot body is the cavity tube-shape, and the open-top diameter of the pot body of cavity tube-shape is greater than bottom open-ended diameter, the bottom open-top diameter of the pot body with the diameter of bottom of a boiler is the same, the pot body bottom with bottom of a boiler welded connection, the bottom of a boiler material is the magnetically permeable titanium alloy that contains the Fe element. According to the invention, the bottom of the pure titanium pot body is welded with the titanium alloy with magnetic conductivity, so that the bottom of the titanium pot body is provided with magnetic conductivity, the defect that the pure titanium pot body cannot be used on an induction cooker due to the fact that the pure titanium pot body is not provided with magnetic conductivity is overcome, and the application range of the pure titanium pot body is enlarged.
Description
Technical Field
The invention belongs to the technical field of pot processing, and particularly relates to an electromagnetic heating titanium alloy pot and a manufacturing method thereof.
Background
The titanium alloy has excellent comprehensive properties such as high specific strength, low density, corrosion resistance, high temperature resistance and the like, is widely applied to the fields of aerospace, weapons, ships and the like, and the mass percentage of the titanium alloy in an aircraft has become an important sign of the advancement of aviation technology. The cookware made of titanium metal is a cookware with higher grade in the market at present, and has the advantages of high temperature resistance, light weight, no toxicity and no harm.
However, in the prior art, a pure titanium pot cannot be generally used on an induction cooker, because titanium metal has no magnetic permeability and cannot generate electromagnetic effect with the induction cooker to generate heat, so that the titanium pot has a poor application range, and Chinese patent CN 109199076A discloses an electromagnetic heating pot, a preparation method thereof and cooking equipment.
Disclosure of Invention
Aiming at the problem that the existing titanium alloy cookware cannot generate heat with an electromagnetic effect of an electromagnetic oven, the invention aims to provide the electromagnetic heating titanium alloy cookware and the manufacturing method thereof, and the bottom of the titanium cookware is provided with magnetic permeability by welding the titanium alloy with the magnetic permeability at the bottom of the pure titanium cookware body, so that the defect that the pure titanium cookware cannot be used on the electromagnetic oven due to the fact that the pure titanium cookware does not have the magnetic permeability is overcome, and the application range of the titanium alloy cookware is widened.
The technical scheme of the invention is as follows: the utility model provides a but electromagnetic heating titanium alloy pan, includes the pot body and bottom of a boiler, the pot body is the cavity tube-shape, and the open-top diameter of the pot body of cavity tube-shape is greater than bottom open-ended diameter, the bottom open-top diameter of the pot body with the diameter of bottom of a boiler is the same, the pot body bottom with bottom of a boiler welded connection, the bottom of a boiler material is the magnetically permeable titanium alloy that contains the Fe element.
The thickness of the pan bottom is more than or equal to the thickness of the pan body.
The section line of the transition section between the top opening of the pot body and the bottom opening of the pot body is an arc-shaped curve.
The magnetically permeable titanium alloy comprises the following chemical element components in percentage by weight: 10-15% of Fe, 5-10% of Cu, 0.15-0.25% of O and the balance of Ti.
The manufacturing method of the electromagnetic heating titanium alloy pot, which is used for manufacturing the electromagnetic heating titanium alloy pot, comprises the following steps:
s1: the pan body made of pure titanium is processed by the following specific processes: cutting a titanium metal plate into blanks with the dimensions of 65mm multiplied by 5 mm; placing the blank plate on a stamping stretcher, and after applying a unit blank pressing force of 0.6MPa to the periphery of the blank plate, stamping and stretching to form at one time to prepare a stamping stretching kitchen ware pot body; reserving a round hole with the diameter of 20mm at the bottom of the formed pot body in a cutting mode, and cutting the magnetically permeable titanium alloy plate containing Fe element into a circular sheet with the diameter of 20mm as the bottom of the pot;
s2: respectively carrying out surface treatment on the pot body and the pot bottom, including polishing and alkali pickling;
s3: the pot body and the pot bottom are firstly fixed by spot welding, and then are welded by adopting a laser welding mode, wherein the laser power is 4-5KW in the welding process, and the welding speed is 2.7m/min;
s4: and (3) polishing the surface of the welded titanium pot, and finishing the manufacture of the electromagnetic heating titanium alloy pot.
The processing process of the magnetically permeable titanium alloy sheet in the step S1 is as follows:
s11: preparing materials, namely respectively selecting three raw materials of Ti-Fe alloy, titanium sponge and copper wire for preparing materials, wherein the three raw materials contain the following chemical element components in percentage by weight: 10-15% of Fe, 5-10% of Cu, 0.15-0.25% of O and the balance of Ti;
s12: mixing: mixing Ti-Fe alloy and titanium sponge in a mixer for more than or equal to 120s;
s13: pressing: cutting the copper wire into sections with the length of 150-200mm, and putting the sections and the mixture obtained in the step 2 into a pressing machine for pressing to prepare an electrode block;
s14: smelting: welding the pressed electrode blocks, and smelting in a vacuum consumable smelting furnace for multiple times to obtain ingots with smelting times more than or equal to 3;
s15: cogging forging: cogging and forging the cast ingot at the temperature of 1000-1150 ℃;
s16: rolling: rolling the blank plate subjected to blank opening at 900-950 ℃ to obtain a plate with the thickness of 2 mm;
s17: annealing: and (3) annealing the plate at 700-750 ℃/1 h.
The pressure range of the pressing process in the step S13 is 40-45 kP.
In the step S15 of cogging forging, the forging firing time is more than or equal to 3 times; at least 2 upsetting operations are carried out each time, and the deformation of each upsetting operation is more than or equal to 35%.
In the step S2, the pan body and the pan bottom are respectively subjected to surface treatment, wherein 400# sand paper, 800# sand paper, 1500# sand paper and 2000# sand paper are respectively used for polishing; after polishing, the volume ratio of the pot body to the pot bottom is HF: HNO (HNO) 3 ：H 2 O=1: 2:17, and the pickling time is 30-60s.
The invention has the technical effects that: 1. according to the invention, the bottom of the pure titanium pot body is welded with the titanium alloy with magnetic conductivity, so that the bottom of the titanium pot body is provided with magnetic conductivity, the defect that the pure titanium pot body cannot be used on an induction cooker due to the fact that the pure titanium pot body is not provided with magnetic conductivity is overcome, and the application range of the pure titanium pot body is enlarged. 2. Compared with the manufacturing of electromagnetic heating cookware of coating types, the manufacturing method of the electromagnetic heating titanium alloy cookware is simple, does not need a special process, and can effectively reduce the production cost of the titanium alloy cookware.
Further description will be made below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of a front view structure of an electromagnetic heating titanium alloy pot according to an embodiment of the invention.
Fig. 2 is a schematic top view of an electromagnetic heating titanium alloy pot according to an embodiment of the invention.
Reference numerals: 1-pot body, 2-pot bottom, 3-top opening, 4-bottom opening and 5-transition section.
Description of the embodiments
Examples
As shown in fig. 1 and 2, the electromagnetic heating titanium alloy cooker comprises a cooker body 1 and a cooker bottom 2, wherein the cooker body 1 is hollow and cylindrical, the diameter of a top opening 3 of the cooker body 1 is larger than that of a bottom opening 4, the diameter of the bottom opening 4 of the cooker body 1 is the same as that of the cooker bottom 2, the bottom of the cooker body 1 is in welded connection with the cooker bottom 2, and the cooker bottom 2 is made of magnetically conductive titanium alloy containing Fe element.
According to the invention, the bottom of the pure titanium pot body 1 is welded with the titanium alloy pot bottom 2 with magnetic conductivity, so that the titanium pot bottom has magnetic conductivity, the defect that the pure titanium pot cannot be used on an induction cooker because the pure titanium pot does not have magnetic conductivity is overcome, and the application range of the pure titanium pot is enlarged.
Examples
Preferably, in this embodiment, based on embodiment 1, the thickness of the bottom 2 is greater than or equal to the thickness of the pot body 1.
According to the invention, the thickness of the pan bottom 2 is more than or equal to that of the pan body 1, and the gravity center of the pan is adjusted to face the pan bottom, so that the use is convenient.
Examples
Preferably, in this embodiment, a section line of the transition section 5 between the top opening of the pan body 1 and the bottom opening of the pan body 1 is an arc-shaped curve based on embodiment 1 or embodiment 2.
According to the invention, the section line of the transition section 5 from the top opening of the pot body 1 to the bottom opening of the pot body 1 is an arc-shaped curve, so that the pot body 1 is smooth and convenient to use.
Examples
Preferably, in this embodiment, on the basis of embodiment 1 or embodiment 3, the magnetically permeable titanium alloy includes the following chemical element components in percentage by weight: 10-15% of Fe, 5-10% of Cu, 0.15-0.25% of O and the balance of Ti.
According to the invention, by adding a proper amount of Fe element into the titanium alloy, on one hand, the titanium alloy can have certain magnetic permeability, and the application range of the titanium alloy is further widened; on the other hand, fe belongs to a slow eutectoid alloy element in the titanium alloy, does not generate an intermediate phase in the common hot working and heat treatment process, strengthens the alloy mainly through a solid solution strengthening form, and has good strengthening effect.
Examples
The manufacturing method of the electromagnetic heating titanium alloy pot, which is used for manufacturing the electromagnetic heating titanium alloy pot, comprises the following steps:
s1: the pan body 1 made of pure titanium is processed by the following specific processes: cutting a titanium metal plate into blanks with the dimensions of 65mm multiplied by 5 mm; placing the blank on a stamping stretcher, and stamping and stretching to form the stamping and stretching kitchen ware pot body 1 at one time after applying a unit blank pressing force of 0.6MPa to the periphery of the blank; a round hole with the diameter of 20mm is reserved at the bottom of the formed pot body 1 in a cutting mode, and a magnetic conductive titanium alloy plate containing Fe element is cut into a circular sheet with the diameter of 20mm to be used as a pot bottom 2;
s2: respectively carrying out surface treatment on the pot body 1 and the pot bottom 2, wherein the surface treatment comprises polishing and alkali pickling;
s3: the pot body 1 and the pot bottom 2 are firstly fixed by spot welding, and then are welded by adopting a laser welding mode, wherein the laser power is 4-5KW in the welding process, and the welding speed is 2.7m/min;
s4: and (3) polishing the surface of the welded titanium pot, and finishing the manufacture of the electromagnetic heating titanium alloy pot.
Compared with the manufacturing of electromagnetic heating cookware of coating types, the manufacturing method of the electromagnetic heating titanium alloy cookware is simple, does not need a special process, and can effectively reduce the production cost of the titanium alloy cookware.
The processing process of the magnetically permeable titanium alloy sheet in the step S1 is as follows:
s11: preparing materials, namely respectively selecting three raw materials of Ti-Fe alloy, titanium sponge and copper wire for preparing materials, wherein the three raw materials contain the following chemical element components in percentage by weight: 10-15% of Fe, 5-10% of Cu, 0.15-0.25% of O and the balance of Ti;
s12: mixing: mixing Ti-Fe alloy and titanium sponge in a mixer for more than or equal to 120s;
s13: pressing: cutting the copper wire into sections with the length of 150-200mm, and putting the sections and the mixture obtained in the step 2 into a pressing machine for pressing to prepare an electrode block;
s14: smelting: welding the pressed electrode blocks, and smelting in a vacuum consumable smelting furnace for multiple times to obtain ingots with smelting times more than or equal to 3;
s15: cogging forging: cogging and forging the cast ingot at the temperature of 1000-1150 ℃;
s16: rolling: rolling the blank plate subjected to blank opening at 900-950 ℃ to obtain a plate with the thickness of 2 mm;
s17: annealing: and (3) annealing the plate at 700-750 ℃/1 h.
The pressure range of the pressing process in the step S13 is 40-45 kP.
In the step S15 of cogging forging, the forging firing time is more than or equal to 3 times; at least 2 upsetting operations are carried out each time, and the deformation of each upsetting operation is more than or equal to 35%.
In the step S2, the pan body 1 and the pan bottom 2 are respectively subjected to surface treatment, wherein 400# abrasive paper, 800# abrasive paper, 1500# abrasive paper and 2000# abrasive paper are respectively used for polishing; after finishing polishing, the volume ratio of the pot body 1 to the pot bottom 2 is HF: HNO (HNO) 3 ：H 2 O=1: 2:17, and the pickling time is 30-60s.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. An electromagnetic heating titanium alloy pot which is characterized in that: the novel pot comprises a pot body (1) and a pot bottom (2), wherein the pot body (1) is hollow and cylindrical, the diameter of a top opening (3) of the pot body (1) is larger than that of a bottom opening (4), the diameter of the bottom opening (4) of the pot body (1) is the same as that of the pot bottom (2), the bottom of the pot body (1) is in welded connection with the pot bottom (2), and the pot bottom (2) is made of magnetically conductive titanium alloy containing Fe.
2. The electromagnetic heating titanium alloy pot according to claim 1, wherein: the thickness of the pan bottom (2) is more than or equal to the thickness of the pan body (1).
3. The electromagnetic heating titanium alloy pot according to claim 1, wherein: the section line of the transition section (5) between the top opening of the pot body (1) and the bottom opening of the pot body (1) is an arc-shaped curve.
4. The electromagnetic heating titanium alloy pot according to claim 1, wherein: the magnetically permeable titanium alloy comprises the following chemical element components in percentage by weight: 10-15% of Fe, 5-10% of Cu, 0.15-0.25% of O and the balance of Ti.
5. A method for manufacturing an electromagnetically heatable titanium alloy pot, comprising the steps of: the method comprises the following steps:
s1: the pan body (1) made of pure titanium is processed by the following specific processes: cutting a titanium metal plate into blanks with the dimensions of 65mm multiplied by 5 mm; placing the blank plate on a stamping stretcher, and carrying out one-step stamping stretch forming after applying a unit blank pressing force of 0.6MPa to the periphery of the blank plate to prepare a stamping stretch kitchen ware pot body (1); a round hole with the diameter of 20mm is reserved at the bottom of the formed pot body (1) in a cutting mode, and a magnetically permeable titanium alloy plate containing Fe element is cut into a circular piece with the diameter of 20mm to be used as a pot bottom (2);
s2: respectively carrying out surface treatment on the pot body (1) and the pot bottom (2), wherein the surface treatment comprises polishing and alkali pickling;
s3: the pot body (1) and the pot bottom (2) are firstly fixed by spot welding, and then are welded in a laser welding mode, wherein the laser power is 4-5KW in the welding process, and the welding speed is 2.7m/min;
s4: and (3) polishing the surface of the welded titanium pot, and finishing the manufacture of the electromagnetic heating titanium alloy pot.
6. The method for manufacturing the electromagnetic heating titanium alloy pot according to claim 5, wherein the method comprises the following steps: the processing process of the magnetically permeable titanium alloy sheet in the step S1 is as follows:
s11: preparing materials, namely respectively selecting three raw materials of Ti-Fe alloy, titanium sponge and copper wire for preparing materials, wherein the three raw materials contain the following chemical element components in percentage by weight: 10-15% of Fe, 5-10% of Cu, 0.15-0.25% of O and the balance of Ti;
s12: mixing: mixing Ti-Fe alloy and titanium sponge in a mixer for more than or equal to 120s;
s13: pressing: cutting the copper wire into sections with the length of 150-200mm, and putting the sections and the mixture obtained in the step 2 into a pressing machine for pressing to prepare an electrode block;
s14: smelting: welding the pressed electrode blocks, and smelting in a vacuum consumable smelting furnace for multiple times to obtain ingots with smelting times more than or equal to 3;
s15: cogging forging: cogging and forging the cast ingot at the temperature of 1000-1150 ℃;
s16: rolling: rolling the blank plate subjected to blank opening at 900-950 ℃ to obtain a plate with the thickness of 2 mm;
s17: annealing: and (3) annealing the plate at 700-750 ℃/1 h.
7. The method for manufacturing the electromagnetic heating titanium alloy pot according to claim 6, wherein the method comprises the following steps: the pressure range of the pressing process in the step S13 is 40-45 kP.
8. The method for manufacturing the electromagnetic heating titanium alloy pot according to claim 6, wherein the method comprises the following steps: in the step S15 of cogging forging, the forging firing time is more than or equal to 3 times; at least 2 upsetting operations are carried out each time, and the deformation of each upsetting operation is more than or equal to 35%.
9. The method for manufacturing the electromagnetic heating titanium alloy pot according to claim 5, wherein the method comprises the following steps: in the step S2, the pan body (1) and the pan bottom (2) are respectively subjected to surface treatment, wherein 400# abrasive paper, 800# abrasive paper, 1500# abrasive paper and 2000# abrasive paper are respectively used for polishing; after polishing, the volume ratio of the pot body (1) to the pot bottom (2) is HF: HNO (HNO) 3 ：H 2 O=1: 2:17, and the pickling time is 30-60s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311472830.XA CN117617756A (en) | 2023-11-07 | 2023-11-07 | Electromagnetic heating titanium alloy pot and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311472830.XA CN117617756A (en) | 2023-11-07 | 2023-11-07 | Electromagnetic heating titanium alloy pot and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117617756A true CN117617756A (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311472830.XA Pending CN117617756A (en) | 2023-11-07 | 2023-11-07 | Electromagnetic heating titanium alloy pot and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN117617756A (en) |
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2023
- 2023-11-07 CN CN202311472830.XA patent/CN117617756A/en active Pending
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