CN117144200A - Titanium plate and preparation process thereof - Google Patents
Titanium plate and preparation process thereof Download PDFInfo
- Publication number
- CN117144200A CN117144200A CN202311154603.2A CN202311154603A CN117144200A CN 117144200 A CN117144200 A CN 117144200A CN 202311154603 A CN202311154603 A CN 202311154603A CN 117144200 A CN117144200 A CN 117144200A
- Authority
- CN
- China
- Prior art keywords
- titanium plate
- parts
- titanium
- plate
- finished
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010936 titanium Substances 0.000 title claims abstract description 150
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 144
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 9
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 9
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 6
- 238000000137 annealing Methods 0.000 claims description 61
- 239000003792 electrolyte Substances 0.000 claims description 50
- 238000005498 polishing Methods 0.000 claims description 22
- 238000000227 grinding Methods 0.000 claims description 20
- 238000005097 cold rolling Methods 0.000 claims description 18
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 16
- 238000003723 Smelting Methods 0.000 claims description 15
- 239000000047 product Substances 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 239000011265 semifinished product Substances 0.000 claims description 10
- 238000005422 blasting Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000009835 boiling Methods 0.000 claims description 8
- 239000011787 zinc oxide Substances 0.000 claims description 8
- 238000005242 forging Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 230000007547 defect Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 229910017052 cobalt Inorganic materials 0.000 abstract description 3
- 239000010941 cobalt Substances 0.000 abstract description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 6
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 244000137852 Petrea volubilis Species 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/003—Alloys based on aluminium containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
-
- 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
-
- 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
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
- C25F1/08—Refractory metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/16—Polishing
- C25F3/18—Polishing of light metals
- C25F3/20—Polishing of light metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/16—Polishing
- C25F3/22—Polishing of heavy metals
- C25F3/26—Polishing of heavy metals of refractory metals
Abstract
The invention discloses a titanium plate and a preparation process thereof, wherein the titanium plate comprises the following raw materials in parts by weight: 50-70 parts of Al, 2-5 parts of Si, 5-10 parts of Zr, 5-50 parts of Mo, 5-10 parts of Mn, 1-5 parts of Zn and the balance of Ti; the titanium plate is further prepared from the following raw materials in parts by weight: 5-20 parts of W, 5-20 parts of Fe, 1-3 parts of Co and 0.5-1.5 parts of impurity elements; wherein the impurity elements include Nb, re, Y and Ce. The titanium plate preparation process provided by the invention can ensure that the prepared titanium plate has excellent high temperature resistance, wear resistance and corrosion resistance, and the titanium plate has excellent quality, high precision and long service life; cobalt, nb, re, Y and Ce are also added in the preparation process provided by the invention, so that the high-temperature creep property and oxidation resistance of the titanium plate can be improved.
Description
Technical Field
The invention relates to the technical field of titanium plate processing, in particular to a titanium plate and a preparation process thereof.
Background
Titanium is the only metal with affinity to human body in all metals, has no harm to human body, and can not generate rejection reaction when combined with human body. Titanium has many excellent properties such as small density, high strength, corrosion resistance and the like, and the titanium plate made of titanium has the advantages of light weight, firmness, no rust, no toxicity, no harm, bacteriostasis and heat resistance.
Conventionally, titanium plates have been used for various applications such as heat exchangers, welded pipes, and two-wheeled exhaust systems for silencers, building materials, and the like, and in recent years, there has been an increasing demand for higher strength of titanium plates in order to achieve reduction in thickness and weight of these products.
The titanium plate has good technological performance, namely good punching performance, ensures enough plasticity and no crack, the metal titanium is of a close-packed hexagonal structure, the plasticity is far inferior to that of metals such as steel, aluminum, copper and the like, the punching performance is relatively poor, the titanium has obvious anisotropy, and the forming performance is greatly affected by the anisotropy. The impact on the stamping formability of the titanium plate is numerous, including the components, mechanical properties, technological properties and organization of the titanium material, and external factors, such as the mold, stamping technological parameters, lubricant, etc., need to be measured by comprehensive indexes.
The preparation process of the titanium plate comprises polishing the surface of the titanium plate, so that the surface of the titanium plate is smooth and flat, the conventional preparation process usually carries out polishing treatment by adopting sand paper and a chemical polishing mode, however, the polishing treatment of the surface of the titanium plate by adopting the sand paper manually through the sand paper polishing mode is time-consuming and labor-consuming, and a large amount of labor is consumed; the chemical polishing generally uses hydrofluoric acid solution, but the conditions such as the composition, the temperature, the time and the like of the solution are difficult to select, pits are easily formed once improper selection is performed, and the glossiness and the durability of the surface of the titanium plate are easily poor.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a titanium plate and a preparation process thereof, so as to overcome the technical problems in the prior related art.
For this purpose, the invention adopts the following specific technical scheme:
according to one aspect of the invention, there is provided a titanium plate comprising the following raw materials in parts by weight:
50-70 parts of Al, 2-5 parts of Si, 5-10 parts of Zr, 5-50 parts of Mo, 5-10 parts of Mn, 1-5 parts of Zn and the balance of Ti.
Further, the titanium plate is further composed of the following raw materials in parts by weight: 5-20 parts of W, 5-20 parts of Fe, 1-3 parts of Co and 0.5-1.5 parts of impurity elements;
wherein the impurity elements include Nb, re, Y and Ce.
Further, the surface dislocation density of the titanium plate was 7.0X10 on average 14 -7.5×10 14 m -2 。
Further, the room temperature tensile strength of the titanium plate is 900-1000MPa.
Further, the thickness of the titanium plate is 40-150mm.
Further, the width of the titanium plate is 1400-3000mm.
Further, the elongation of the finished product of the titanium plate is 18-20%.
According to another aspect of the present invention, there is also provided a process for preparing a titanium plate, comprising the steps of:
s1, mixing all raw materials, adding the mixture into a non-vacuum induction smelting furnace for vacuum induction smelting, casting ingot into a titanium ingot after smelting, and continuously forging the titanium ingot to obtain a plate blank;
s2, heating the slab to 850-930 ℃ and carrying out heat preservation treatment, and rolling the slab to obtain a hot-rolled semi-finished plate;
s3, performing shot blasting and acid washing treatment on the hot rolled semi-finished plate, and removing an oxide layer on the surface of the hot rolled semi-finished plate;
s4, carrying out multi-pass cold rolling on the hot-rolled semi-finished product plate by adopting a reversible rolling mill, and then annealing and surface defect treatment are carried out on the hot-rolled semi-finished product plate after cold rolling to obtain a finished product titanium plate.
Specifically, before cold rolling, the stress relief annealing (intermediate annealing) and the conventional descaling may be performed, or the stress relief annealing may not be performed, and the temperature and the time are not particularly limited. In general, the stress relief annealing is performed at a temperature lower than the beta transus, specifically, at a temperature 30 ℃ or higher lower than the beta transus, which varies depending on the alloy composition but is in the range of 860 to 900 ℃, and therefore, in the present invention, it is desirable to perform the descaling at around 800 ℃ and any method such as shot blasting, pickling and mechanical cutting can be performed.
Further, the annealing after cold rolling requires first low-temperature batch annealing and then high-temperature continuous annealing, and in other methods, for example, in the case of only 1 annealing (high-temperature or low-temperature batch or continuous annealing), the structure of the present invention cannot be obtained, and the target characteristics cannot be achieved, and in the case of a method other than the high-temperature continuous annealing after low-temperature batch annealing, the structure of the present invention cannot be obtained, and the target characteristics cannot be achieved.
And S5, grinding and polishing the surface of the finished titanium plate by using grinding equipment.
Further, the grinding and polishing treatment of the surface of the finished titanium plate by using the grinding equipment comprises the following steps:
s51, preparing electrolyte, heating the electrolyte to a boiling state, and injecting the cooled electrolyte into an electrolytic tank;
s52, after the electrolyte is injected into the electrolytic tank, the electrolyte is electrolyzed by adopting alternating current;
and S53, enabling the finished titanium plate to pass through the electrolyte at a constant speed, removing an oxide film on the surface of the finished titanium plate by utilizing zinc oxide particles in the electrolyte, and carrying out compound polishing on the surface of the finished titanium plate by utilizing current.
Further, the annealing temperature is 1105-1205 ℃, and the annealing time is 2-4 h.
The beneficial effects of the invention are as follows:
1. the titanium plate preparation process provided by the invention can ensure that the thickness precision of the prepared titanium plate is high, the same plate difference can be controlled within a range of +/-1%, the thickness hit rate is over 99%, the flatness of the lower line plate is less than 10mm/m, and the surface of the finished titanium plate can be ground and polished by using grinding equipment, so that the surface of the titanium plate is smooth and flat, and the glossiness and the durability of the surface of the finished titanium plate are improved.
2. The titanium plate preparation process provided by the invention can ensure that the prepared titanium plate has excellent high temperature resistance, wear resistance and corrosion resistance, and the titanium plate has excellent quality, high precision and long service life; cobalt, nb, re, Y and Ce are also added in the preparation process provided by the invention, so that the high-temperature creep property and oxidation resistance of the titanium plate can be improved.
3. According to the invention, the slab with uniform components and tissues is obtained through forging, the texture condition is reduced, the rolling Cheng Bianxing rate is not lower than 50% during rolling, the production of the titanium plate can be realized by utilizing the existing equipment of a steel mill, the equipment is not required to be modified, and the problems of equipment limitation and high investment of large-opening hot rolling equipment in the existing titanium industry are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a process for preparing a titanium plate according to an embodiment of the present invention.
Detailed Description
For the purpose of further illustrating the various embodiments, the present invention provides the accompanying drawings, which are a part of the disclosure of the present invention, and which are mainly used for illustrating the embodiments and for explaining the principles of the operation of the embodiments in conjunction with the description thereof, and with reference to these matters, it will be apparent to those skilled in the art to which the present invention pertains that other possible embodiments and advantages of the present invention may be practiced.
According to an embodiment of the invention, a titanium plate and a preparation process thereof are provided. The invention will now be further described with reference to the drawings and detailed description.
Example 1
The titanium plate consists of the following raw materials in parts by weight:
Al50g；
Si2g；
Zr5g；
Mo5g；
Mn5g；
Zn1g；
the balance being Ti.
Wherein, the titanium plate also comprises the following raw materials in parts by weight: w5g, fe5g, co1g and impurity element 0.5g;
wherein the impurity elements include Nb, re, Y and Ce.
Wherein the surface dislocation density of the titanium plate is 7.0X10 on average 14 -7.5×10 14 m -2 。
Wherein the room temperature tensile strength of the titanium plate is 900-1000MPa.
Wherein the thickness of the titanium plate is 40-150mm.
Wherein the width of the titanium plate is 1400-3000mm.
Wherein the elongation of the finished product of the titanium plate is 18-20%.
Selecting the raw materials in parts by weight, and preparing the titanium plate according to a preparation process of the titanium plate, wherein the preparation process comprises the following steps:
s1, mixing all raw materials, adding the mixture into a non-vacuum induction smelting furnace for vacuum induction smelting, casting ingot into a titanium ingot after smelting, and continuously forging the titanium ingot to obtain a plate blank;
s2, heating the slab to 850-930 ℃ and carrying out heat preservation treatment, and rolling the slab to obtain a hot-rolled semi-finished plate;
s3, performing shot blasting and acid washing treatment on the hot rolled semi-finished plate, and removing an oxide layer on the surface of the hot rolled semi-finished plate;
s4, carrying out multi-pass cold rolling on the hot-rolled semi-finished product plate by adopting a reversible rolling mill, and then annealing and surface defect treatment are carried out on the hot-rolled semi-finished product plate after cold rolling to obtain a finished product titanium plate.
Specifically, before cold rolling, the stress relief annealing (intermediate annealing) and the conventional descaling may be performed, or the stress relief annealing may not be performed, and the temperature and the time are not particularly limited. In general, the stress relief annealing is performed at a temperature lower than the beta transus, specifically, at a temperature 30 ℃ or higher lower than the beta transus, which varies depending on the alloy composition but is in the range of 860 to 900 ℃, and therefore, in the present invention, it is desirable to perform the descaling at around 800 ℃ and any method such as shot blasting, pickling and mechanical cutting can be performed.
Further, the annealing after cold rolling requires first low-temperature batch annealing and then high-temperature continuous annealing, and in other methods, for example, in the case of only 1 annealing (high-temperature or low-temperature batch or continuous annealing), the structure of the present invention cannot be obtained, and the target characteristics cannot be achieved, and in the case of a method other than the high-temperature continuous annealing after low-temperature batch annealing, the structure of the present invention cannot be obtained, and the target characteristics cannot be achieved.
S5, grinding and polishing the surface of the finished titanium plate by using grinding equipment;
wherein, utilize the grinding equipment to grind the surface of finished product titanium board, the polishing treatment includes following steps:
s51, preparing electrolyte, heating the electrolyte to a boiling state, and injecting the cooled electrolyte into an electrolytic tank;
specifically, 15-25% by weight of propanol and 2-8% by weight of aluminum chloride are added into industrial ethanol, 2-8% by weight of zinc oxide is prepared into electrolyte, the electrolyte is heated to a boiling state, and then the electrolyte is injected into an electrolytic tank when the temperature of the electrolyte is reduced to 30-50 ℃.
S52, after the electrolyte is injected into the electrolytic tank, the electrolyte is electrolyzed by adopting alternating current;
specifically, after the electrolyte is injected into the electrolytic cell, 380V high voltage is adopted, and 240A-300A alternating current is used for electrolysis.
And S53, enabling the finished titanium plate to pass through the electrolyte at a constant speed, removing an oxide film on the surface of the finished titanium plate by utilizing zinc oxide particles in the electrolyte, and carrying out compound polishing on the surface of the finished titanium plate by utilizing current.
Wherein the annealing temperature is 1105-1205 ℃, and the annealing time is 2-4 h.
Example two
The titanium plate consists of the following raw materials in parts by weight:
Al50g；
Si2g；
Zr5g；
Mo5g；
Mn5g；
Zn1g；
the balance being Ti.
Wherein, the titanium plate also comprises the following raw materials in parts by weight: 12.5g of W, 12.5g of Fe, 1.5g of Co and 1g of impurity element;
wherein the impurity elements include Nb, re, Y and Ce.
Wherein the surface dislocation density of the titanium plate is 7.0X10 on average 14 -7.5×10 14 m -2 。
Wherein the room temperature tensile strength of the titanium plate is 900-1000MPa.
Wherein the thickness of the titanium plate is 40-150mm.
Wherein the width of the titanium plate is 1400-3000mm.
Wherein the elongation of the finished product of the titanium plate is 18-20%.
Selecting the raw materials in parts by weight, and preparing the titanium plate according to a preparation process of the titanium plate, wherein the preparation process comprises the following steps:
s1, mixing all raw materials, adding the mixture into a non-vacuum induction smelting furnace for vacuum induction smelting, casting ingot into a titanium ingot after smelting, and continuously forging the titanium ingot to obtain a plate blank;
s2, heating the slab to 850-930 ℃ and carrying out heat preservation treatment, and rolling the slab to obtain a hot-rolled semi-finished plate;
s3, performing shot blasting and acid washing treatment on the hot rolled semi-finished plate, and removing an oxide layer on the surface of the hot rolled semi-finished plate;
s4, carrying out multi-pass cold rolling on the hot-rolled semi-finished product plate by adopting a reversible rolling mill, and then annealing and surface defect treatment are carried out on the hot-rolled semi-finished product plate after cold rolling to obtain a finished product titanium plate.
Specifically, before cold rolling, the stress relief annealing (intermediate annealing) and the conventional descaling may be performed, or the stress relief annealing may not be performed, and the temperature and the time are not particularly limited. In general, the stress relief annealing is performed at a temperature lower than the beta transus, specifically, at a temperature 30 ℃ or higher lower than the beta transus, which varies depending on the alloy composition but is in the range of 860 to 900 ℃, and therefore, in the present invention, it is desirable to perform the descaling at around 800 ℃ and any method such as shot blasting, pickling and mechanical cutting can be performed.
Further, the annealing after cold rolling is performed by first performing low-temperature batch annealing and then performing high-temperature continuous annealing. In other methods, for example, only 1 annealing (high-temperature or low-temperature batch or continuous annealing), the structure of the present invention cannot be obtained, and the target characteristics cannot be achieved. Even if annealing is performed 2 times, the structure of the present invention cannot be obtained by a method other than the high-temperature continuous annealing after the low-temperature intermittent annealing, and the target characteristics cannot be achieved.
S5, grinding and polishing the surface of the finished titanium plate by using grinding equipment;
wherein, utilize the grinding equipment to grind the surface of finished product titanium board, the polishing treatment includes following steps:
s51, preparing electrolyte, heating the electrolyte to a boiling state, and injecting the cooled electrolyte into an electrolytic tank;
specifically, 15-25% by weight of propanol and 2-8% by weight of aluminum chloride are added into industrial ethanol, 2-8% by weight of zinc oxide is prepared into electrolyte, the electrolyte is heated to a boiling state, and then the electrolyte is injected into an electrolytic tank when the temperature of the electrolyte is reduced to 30-50 ℃.
S52, after the electrolyte is injected into the electrolytic tank, the electrolyte is electrolyzed by adopting alternating current;
specifically, after the electrolyte is injected into the electrolytic cell, 380V high voltage is adopted, and 240A-300A alternating current is used for electrolysis.
And S53, enabling the finished titanium plate to pass through the electrolyte at a constant speed, removing an oxide film on the surface of the finished titanium plate by utilizing zinc oxide particles in the electrolyte, and carrying out compound polishing on the surface of the finished titanium plate by utilizing current.
Wherein the annealing temperature is 1105-1205 ℃, and the annealing time is 2-4 h.
Example III
The titanium plate consists of the following raw materials in parts by weight:
Al50g；
Si2g；
Zr5g；
Mo5g；
Mn5g；
Zn1g；
the balance being Ti.
Wherein, the titanium plate also comprises the following raw materials in parts by weight: 20g of W, 20g of Fe, 3g of Co and 1.5g of impurity elements;
wherein the impurity elements include Nb, re, Y and Ce.
Wherein the surface dislocation density of the titanium plate is 7.0X10 on average 14 -7.5×10 14 m -2 。
Wherein the room temperature tensile strength of the titanium plate is 900-1000MPa.
Wherein the thickness of the titanium plate is 40-150mm.
Wherein the width of the titanium plate is 1400-3000mm.
Wherein the elongation of the finished product of the titanium plate is 18-20%.
Selecting the raw materials in parts by weight, and preparing the titanium plate according to a preparation process of the titanium plate, wherein the preparation process comprises the following steps:
s1, mixing all raw materials, adding the mixture into a non-vacuum induction smelting furnace for vacuum induction smelting, casting ingot into a titanium ingot after smelting, and continuously forging the titanium ingot to obtain a plate blank;
s2, heating the slab to 850-930 ℃ and carrying out heat preservation treatment, and rolling the slab to obtain a hot-rolled semi-finished plate;
s3, performing shot blasting and acid washing treatment on the hot rolled semi-finished plate, and removing an oxide layer on the surface of the hot rolled semi-finished plate;
s4, carrying out multi-pass cold rolling on the hot-rolled semi-finished product plate by adopting a reversible rolling mill, and then annealing and surface defect treatment are carried out on the hot-rolled semi-finished product plate after cold rolling to obtain a finished product titanium plate;
specifically, before cold rolling, the stress relief annealing (intermediate annealing) and the conventional descaling may be performed, or the stress relief annealing may not be performed, and the temperature and the time are not particularly limited. In general, the stress relief annealing is performed at a temperature lower than the beta transus, specifically, at a temperature 30 ℃ or higher lower than the beta transus, which varies depending on the alloy composition but is in the range of 860 to 900 ℃, and therefore, in the present invention, it is desirable to perform the descaling at around 800 ℃ and any method such as shot blasting, pickling and mechanical cutting can be performed.
Further, the annealing after cold rolling is performed by first performing low-temperature batch annealing and then performing high-temperature continuous annealing. In other methods, for example, only 1 annealing (high-temperature or low-temperature batch or continuous annealing), the structure of the present invention cannot be obtained, and the target characteristics cannot be achieved. Even if annealing is performed 2 times, the structure of the present invention cannot be obtained by a method other than the high-temperature continuous annealing after the low-temperature intermittent annealing, and the target characteristics cannot be achieved.
S5, grinding and polishing the surface of the finished titanium plate by using grinding equipment;
wherein, utilize the grinding equipment to grind the surface of finished product titanium board, the polishing treatment includes following steps:
s51, preparing electrolyte, heating the electrolyte to a boiling state, and injecting the cooled electrolyte into an electrolytic tank;
specifically, 15-25% by weight of propanol and 2-8% by weight of aluminum chloride are added into industrial ethanol, 2-8% by weight of zinc oxide is prepared into electrolyte, the electrolyte is heated to a boiling state, and then the electrolyte is injected into an electrolytic tank when the temperature of the electrolyte is reduced to 30-50 ℃.
S52, after the electrolyte is injected into the electrolytic tank, the electrolyte is electrolyzed by adopting alternating current;
specifically, after the electrolyte is injected into the electrolytic cell, 380V high voltage is adopted, and 240A-300A alternating current is used for electrolysis.
And S53, enabling the finished titanium plate to pass through the electrolyte at a constant speed, removing an oxide film on the surface of the finished titanium plate by utilizing zinc oxide particles in the electrolyte, and carrying out compound polishing on the surface of the finished titanium plate by utilizing current.
Wherein the annealing temperature is 1105-1205 ℃, and the annealing time is 2-4 h.
In summary, by means of the technical scheme, the titanium plate manufacturing process provided by the invention can enable the thickness precision of the manufactured titanium plate to be high, the same plate difference can be controlled within a range of +/-1%, the thickness hit rate is over 99%, the flatness of the lower line plate is less than 10mm/m, and the surface of the finished titanium plate can be subjected to grinding and polishing treatment by utilizing grinding equipment, so that the surface of the titanium plate is smooth and flat, and the glossiness and the durability of the surface of the finished titanium plate are improved; the titanium plate preparation process provided by the invention can ensure that the prepared titanium plate has excellent high temperature resistance, wear resistance and corrosion resistance, and the titanium plate has excellent quality, high precision and long service life; cobalt, nb, re, Y and Ce are also added in the preparation process, so that the high-temperature creep property and oxidation resistance of the titanium plate can be improved; according to the invention, the slab with uniform components and tissues is obtained through forging, the texture condition is reduced, the rolling Cheng Bianxing rate is not lower than 50% during rolling, the production of the titanium plate can be realized by utilizing the existing equipment of a steel mill, the equipment is not required to be modified, and the problems of equipment limitation and high investment of large-opening hot rolling equipment in the existing titanium industry are solved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The titanium plate is characterized by comprising the following raw materials in parts by weight:
50-70 parts of Al, 2-5 parts of Si, 5-10 parts of Zr, 5-50 parts of Mo, 5-10 parts of Mn, 1-5 parts of Zn and the balance of Ti.
2. The titanium plate according to claim 1, further comprising the following raw materials in parts by weight: 5-20 parts of W, 5-20 parts of Fe, 1-3 parts of Co and 0.5-1.5 parts of impurity elements;
wherein the impurity elements include Nb, re, Y and Ce.
3. A titanium plate according to claim 2, characterized in that the surface dislocation density of the titanium plate is on average 7.0 x 10 14 -7.5×10 14 m -2 。
4. A titanium sheet according to claim 3, wherein the titanium sheet has a room temperature tensile strength of 900-1000MPa.
5. The titanium plate according to claim 4, wherein the titanium plate has a thickness of 40-150mm.
6. The titanium plate of claim 5, wherein the width of the titanium plate is 1400-3000mm.
7. A titanium sheet according to claim 6, wherein the finished product elongation of the titanium sheet is 18-20%.
8. A process for preparing a titanium plate for realizing the preparation of a titanium plate according to any one of claims 1 to 7, characterized in that the process for preparing a titanium plate comprises the steps of:
s1, mixing all raw materials, adding the mixture into a non-vacuum induction smelting furnace for vacuum induction smelting, casting ingot into a titanium ingot after smelting, and continuously forging the titanium ingot to obtain a plate blank;
s2, heating the slab to 850-930 ℃ and carrying out heat preservation treatment, and rolling the slab to obtain a hot-rolled semi-finished plate;
s3, performing shot blasting and acid washing treatment on the hot rolled semi-finished plate, and removing an oxide layer on the surface of the hot rolled semi-finished plate;
s4, carrying out multi-pass cold rolling on the hot-rolled semi-finished product plate by adopting a reversible rolling mill, and then annealing and surface defect treatment are carried out on the hot-rolled semi-finished product plate after cold rolling to obtain a finished product titanium plate;
and S5, grinding and polishing the surface of the finished titanium plate by using grinding equipment.
9. The process for preparing a titanium plate according to claim 8, wherein the grinding and polishing treatment of the surface of the finished titanium plate by the grinding device comprises the steps of:
s51, preparing electrolyte, heating the electrolyte to a boiling state, and injecting the cooled electrolyte into an electrolytic tank;
s52, after the electrolyte is injected into the electrolytic tank, the electrolyte is electrolyzed by adopting alternating current;
and S53, enabling the finished titanium plate to pass through the electrolyte at a constant speed, removing an oxide film on the surface of the finished titanium plate by utilizing zinc oxide particles in the electrolyte, and carrying out compound polishing on the surface of the finished titanium plate by utilizing current.
10. The process for preparing a titanium plate according to claim 9, wherein the annealing temperature is 1105-1205 ℃, and the annealing time is 2-4 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311154603.2A CN117144200A (en) | 2023-09-07 | 2023-09-07 | Titanium plate and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311154603.2A CN117144200A (en) | 2023-09-07 | 2023-09-07 | Titanium plate and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117144200A true CN117144200A (en) | 2023-12-01 |
Family
ID=88900495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311154603.2A Pending CN117144200A (en) | 2023-09-07 | 2023-09-07 | Titanium plate and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117144200A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0243056A1 (en) * | 1986-04-18 | 1987-10-28 | Imi Titanium Limited | Titanium-base alloys and methods of manufacturing such alloys |
| JP2004285457A (en) * | 2003-01-31 | 2004-10-14 | Kobe Steel Ltd | Titanium sheet with excellent formability, and its manufacturing method |
| CN107604210A (en) * | 2017-11-23 | 2018-01-19 | 宁国市华成金研科技有限公司 | A kind of high temperature resistant titanium alloy plate |
| CN107779668A (en) * | 2016-08-30 | 2018-03-09 | 江苏凤凰木业有限公司 | A kind of titanium alloy die casting |
-
2023
- 2023-09-07 CN CN202311154603.2A patent/CN117144200A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0243056A1 (en) * | 1986-04-18 | 1987-10-28 | Imi Titanium Limited | Titanium-base alloys and methods of manufacturing such alloys |
| JP2004285457A (en) * | 2003-01-31 | 2004-10-14 | Kobe Steel Ltd | Titanium sheet with excellent formability, and its manufacturing method |
| CN107779668A (en) * | 2016-08-30 | 2018-03-09 | 江苏凤凰木业有限公司 | A kind of titanium alloy die casting |
| CN107604210A (en) * | 2017-11-23 | 2018-01-19 | 宁国市华成金研科技有限公司 | A kind of high temperature resistant titanium alloy plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112893510B (en) | Forging and heat treatment process of marine corrosion-resistant pull rod duplex stainless steel forging | |
| CN109112423B (en) | Super-thick alloy steel plate with excellent low-temperature toughness and preparation method thereof | |
| CN113210455B (en) | Preparation method of high-temperature-resistant wear-resistant cobalt-based alloy wire | |
| CN102312167B (en) | High-strength hot rolled steel plate for counter enameling and manufacturing method thereof | |
| KR101743380B1 (en) | Titanium sheet | |
| CN104611658A (en) | Annealing method for TA3 titanium plate prepared by roll-type production process | |
| CN109082615A (en) | A kind of stabilizing treatment technique of 5052 aluminium alloy | |
| CN107739998A (en) | A kind of preparation method of flat cold-rolled sheet | |
| CN112030077A (en) | Manganese-containing high-strength low-density steel and preparation method and application thereof | |
| CN107177788B (en) | A kind of secondary cold-rolling tin plate and its production method | |
| CN115896419A (en) | Preparation method and application of GH2132 alloy bar | |
| CN108588540B (en) | Method for manufacturing nuclear power 1Cr15Ni36W3Ti alloy forged and rolled bar | |
| CN109468477A (en) | A kind of welding production method of aluminium alloy sheet plate | |
| CN112430721A (en) | Solution heat treatment method for preventing blade steel 0Cr17Ni4Cu4Nb from cracking | |
| CN116727443A (en) | Nickel-based alloy coiled plate and production method thereof | |
| CN104593698B (en) | Method for manufacturing high-strength cold-rolled weather resisting steel plates and high-strength cold-rolled weather resisting steel plates | |
| CN117144200A (en) | Titanium plate and preparation process thereof | |
| CN113621888B (en) | 825 iron-nickel-based alloy hot continuous rolling plate rolling preparation process | |
| CN115121993A (en) | Preparation method of high-performance nickel-based alloy welding wire | |
| CN109022958A (en) | A kind of manufacturing method of 5083 aluminium alloy thick plate peculiar to vessel | |
| CN111424221B (en) | Stainless steel plate for lamination and manufacturing method thereof | |
| CN111876676B (en) | Production method of cold rolled steel for 1800 MPa-level hot stamping forming | |
| CN112496037A (en) | Nickel-based alloy plate rolling method | |
| TWI557244B (en) | Method of fabricating corrosion-resistant high nickel alloy | |
| CN111575466B (en) | Heat treatment preparation method of heat-strength corrosion-resistant steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |