CN108277447A - A kind of preparation method of titanium alloy plate - Google Patents
A kind of preparation method of titanium alloy plate Download PDFInfo
- Publication number
- CN108277447A CN108277447A CN201810185493.9A CN201810185493A CN108277447A CN 108277447 A CN108277447 A CN 108277447A CN 201810185493 A CN201810185493 A CN 201810185493A CN 108277447 A CN108277447 A CN 108277447A
- Authority
- CN
- China
- Prior art keywords
- temperature
- titanium alloy
- preparation
- alloy plate
- forging
- 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
Classifications
-
- 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
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
-
- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
Abstract
The present invention relates to titanium alloy preparing technical fields, more particularly, to a kind of preparation method of titanium alloy plate.The preparation method includes the following steps:Ingot blank is just forged, and initial 1000 DEG C~1100 DEG C of the forging temperature of two fire time of forging, first pass deformation is 10~60%;Two fire time forging temperatures are 800~900 DEG C, and total deformation is more than 60%;Forging stock carries out destressing and α phase Tempering and Quenchings, heat preservation postcooling to room temperature;Remove forging stock surface scale;Hot rolling treatment, 600 DEG C~900 DEG C of hot-rolled temperature, 1~10%, total deformation is more than 50%, and commutation rolling is carried out when hot rolling treatment for first pass deformation control;Cold-rolling treatment, total deformation are 15~25%;Ageing treatment, temperature are 300 DEG C~450 DEG C, keep the temperature 3.5~6h.This method is simple and practicable, and technology stability is strong, by carrying out densification to ingot casting, and passes through rolling and the control of heat treatment condition, obtains the titanium alloy of different tough ranks.
Description
Technical field
The present invention relates to titanium alloy preparing technical fields, more particularly, to a kind of preparation method of titanium alloy plate.
Background technology
In recent years, the demand of China's titanium increases sharply, it has also become the third-largest titanium products after US and European
Country of consumption.According to another the current entire titanium or titanium alloy Strip market applicable cases of relevant statistics analysis, maximum user is stone
Oily chemical field accounts for about the 60% of titanium plate band total amount consumed, other are followed successively by aerospace field, accounts for about 15%, sport is used
Conduct industry accounts for 6%, and sea water desalination, nuclear power field account for 5%, and naval vessel and marine engineering equipment field account for 5%, and other fields account for about
9%.
Currently, titanium and titanium-base alloy be in a variety of applications, reason is that these materials have relatively high intensity, low close
Degree and good corrosion resistance.For example, titanium and titanium-base alloy because high intensity, weight ratio and the corrosion resistance of this material and widely
For in aerospace industry.But the synthesis mechanics ability of titanium-base alloy is not ideal enough at present, processing technology is complicated, is unfavorable for pushing away
Extensively with application.
The information for being disclosed in the background technology part is merely intended to deepen understanding of the general background technology to the present invention, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Invention content
The purpose of the present invention is to provide a kind of preparation methods of titanium alloy plate, to solve existing in the prior art add
Work complex process, the not ideal enough technical problem of the synthesis mechanics ability of titanium-base alloy.
To achieve the goals above, the present invention uses following technical scheme:
The present invention provides a kind of preparation method of titanium alloy plate comprising following steps:
S1, ingot blank are just forged, two initial 1000 DEG C~1100 DEG C of the forging temperatures of fire time of forging, and first pass deformation is 10~
60%;Two fire time forging temperatures are 800~900 DEG C, and total deformation is more than 60%;
S2, forging stock carry out destressing and α phase Tempering and Quenchings, heat preservation postcooling to room temperature;
S3, removal forging stock surface scale;
S4, hot rolling treatment, 600 DEG C~900 DEG C of hot-rolled temperature, 1~10%, total deformation is big for first pass deformation control
In 50%, and commutation rolling is carried out when hot rolling treatment;
S5, cold-rolling treatment, total deformation are 15~25%;
S6, ageing treatment, temperature are 300 DEG C~450 DEG C, keep the temperature 3.5~6h.
As a kind of further technical solution, before step S1, the raw material for manufacturing titanium alloy plate is passed through
Alloy packet, electrode compacting, the weldering of plasma group are packed, ingot blank most is made through consumable electrode vacuum furnace melting three times afterwards.
As a kind of further technical solution, aluminium molybdenum intermediate alloy, aluminium shot, titanium tin intermediate alloy, chromium simple substance, titanium
Iron intermediate alloy and titanium sponge are as the raw material for manufacturing titanium alloy plate.
As a kind of further technical solution, temperature can be controlled at 1200 DEG C -1500 DEG C when melting, and refining time can
To control in 20min-40min.
As a kind of further technical solution, in step S2, the temperature of heat treatment is controlled at 650 DEG C~900 DEG C, heat preservation
1.5~4 hours, heat preservation postcooling to room temperature.
As a kind of further technical solution, in step S3, bead is carried out using steel ball and removes forging stock Surface Oxygen
Change skin.
As a kind of further technical solution, in step S3, the forging stock to removing surface scale carries out pickling, pickling
Temperature is 50 DEG C~55 DEG C.
Using above-mentioned technical proposal, the present invention has the advantages that:The preparation of titanium alloy plate provided by the invention
Method, method is simple and practicable, and technology stability is strong.By carrying out densification to ingot casting, and by rolling and being heat-treated
The control of process conditions obtains the titanium alloy of different tough ranks.Moreover, having by titanium alloy plate prepared by this method good
Good comprehensive mechanical property is conducive to promote and apply.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the parallel tables of titanium alloy material under different technology conditions provided in an embodiment of the present invention;
Fig. 2 is the mechanical experimental results parallel tables of each technique titanium alloy material provided in an embodiment of the present invention.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present embodiment provides a kind of preparation methods of titanium alloy plate comprising following steps:
S1, ingot blank are just forged, two initial 1000 DEG C~1100 DEG C of the forging temperatures of fire time of forging, and first pass deformation is 10~
60%;Two fire time forging temperatures are 800~900 DEG C, and total deformation is more than 60%;Specifically, alloy cast ingot strips off the skin by surface
And forging stock is made in forging after cutting riser, including;Cogging is forged and two fire forge, and cogging forging and two fire forgings can be two piers
Two pull out forging.
S2, forging stock carry out destressing and α phase Tempering and Quenchings, heat preservation postcooling to room temperature;
Specifically, the temperature of heat treatment is controlled at 400 DEG C~650 DEG C, 1~2 hour is kept the temperature, heat preservation postcooling to room temperature.
Preferably, in annealing, titanium alloy slab is sent into annealing furnace, and be evacuated to vacuum degree 10Pa;It
Annealing furnace is warming up to 380 DEG C afterwards, is then slowly heated up to annealing furnace with the speed of 2 DEG C/min, until being warming up to 580 DEG C
Constant temperature 2h afterwards is constantly protected by nitrogen in thermostatic process, and the nitrogen flow being passed through is 300ml/min;After constant temperature,
Cooled down again with the speed of 5 DEG C/min, until being cooled to 100 DEG C, then takes out titanium alloy slab.
S3, removal forging stock surface scale;
As a kind of further technical solution, bead is carried out using steel ball and removes plate surface oxide skin.Moreover,
Pickling can also be carried out to the plank for removing surface scale, pickling temperature is 50 DEG C~55 DEG C.
Further, 3~5mm steel balls may be used and carry out bead removing plate surface oxide skin, and carry out acid
It washes, volume of preparation HF:HNO3:H2O=5:10:80, HF and HNO3Purity be technical pure, pickling temperature be 55 DEG C.
S4, hot rolling treatment, 600 DEG C~900 DEG C of hot-rolled temperature, 1~10%, total deformation is big for first pass deformation control
In 50%, and commutation rolling is carried out when hot rolling treatment, commutation rolling can obviously improve the processing texture of plank, improve the equal of tissue
Even property and plasticity;
S5, cold-rolling treatment, total deformation are 15~25%;
In cold rolling, cold-rolling property evaluation can be carried out to plank, whether the surface end for observing cold-reduced sheet has crackle.For right
In the material not cracked in cold rolling, heat treatment in 700 DEG C × 30 minutes is carried out in argon gas atmosphere, is passing through cold rolling
To 1~2mm of thickness and then the secondary heat treatment for carrying out 700 DEG C × 30 minutes in argon gas atmosphere.
S6, ageing treatment, temperature are controlled at 300 DEG C~450 DEG C, keep the temperature 3.5~6h.
As it can be seen that the preparation method of titanium alloy plate provided by the invention, method is simple and practicable, and technology stability is strong.Pass through
Densification is carried out to ingot casting, and by rolling the control with heat treatment condition, obtains the titanium of different tough ranks
Alloy.Moreover, there is good comprehensive mechanical property by titanium alloy plate prepared by this method, it is conducive to promote and application.
In the present embodiment, in combination with shown in Fig. 1 to Fig. 2, the mechanical property (tensile strength under different disposal technique and different process is listed
Rm, yield strength Rp0.2, elongation A), by ingot casting carry out densification, and pass through rolling and heat treatment process item
The control of part obtains the titanium alloy of different tough ranks.
It is worth noting that by the above method, the titanium alloy of a variety of tough ranks of difference can be prepared, such as:One
Kind of new titanium alloy plank, by following weight percentage at being grouped as:5.5%~7.5%Al, 0.5%~2%Cr,
0.8%~2.8%Fe, 0.5%~1.5%Mo, 0.8%~2%Sn, surplus are Ti and inevitable impurity.It is corresponding,
In the present embodiment, before step S1, by for manufacture the raw material of titanium alloy plate through packing alloy packet, electrode compacting, etc.
Ion group is welded, and ingot blank most is made through consumable electrode vacuum furnace melting three times afterwards.
Wherein, aluminium molybdenum intermediate alloy, aluminium shot, titanium tin intermediate alloy, chromium simple substance, ferrotianium intermediate alloy and titanium sponge
As the raw material for manufacturing titanium alloy plate.
Wherein, temperature can be controlled at 1200 DEG C -1500 DEG C when melting, and refining time can be controlled in 20min-40min.
Preferably, in fusion process, to obtain ideal alloying component, according to the difference of each consumable electrode vacuum furnace, Al adds 0.1%~
0.15%, Sn add 0.15%~0.2%, and in electrode pressing block, material each element end to end adds 0.01%~0.05%, protects
Demonstrate,prove the uniformity of ingot casting ingredient.
In the present embodiment, which includes inevitable nonmetalloid O, N, C, H.Wherein, from
The angle of ductility is set out, and the weight percentage of O is controlled 0.25% hereinafter, the weight percentage of H is controlled 0.05%
Hereinafter, the weight percentage of C is controlled 0.1% hereinafter, the weight percentage of N controls below 0.1%.In addition, this is not
Evitable miscellaneous particularly as can include but is not limited to niobium, rhenium, yttrium, cerium, weight percentage can be not higher than 0.15%.
Moreover, in the present embodiment, which can also be improved and become on the basis of above-mentioned material
Shape illustrates.
The titanium alloy plate is by following weight percentage at being grouped as:5.5%~7.5%Al, 0.5%~2%Cr,
0.8%~2.8%Fe, 0.5%~1.5%Mo, 0.8%~2%Sn, 0.5%~2%V, 0.5%~2%Ta, 0.5%~
2%Co, surplus are Ti and inevitable impurity.Preferably, in above-mentioned material, the amount contained by V, Fe, Mo, Cr is being set
The weight % of contained V is Xv, the weight % of contained Fe is XFe, the weight % of contained Mo is XMo, contained
The weight % of Cr is XCrWhen by Xv+2.9XFe+1.5XMo+1.6XCrThe value of expression is 17~20%, more preferable so as to reach
Intensity.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that:Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement;And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. a kind of preparation method of titanium alloy plate, which is characterized in that include the following steps:
S1, ingot blank are just forged, and initial 1000 DEG C~1100 DEG C of the forging temperature of two fire time of forging, first pass deformation is 10~60%;
Two fire time forging temperatures are 800~900 DEG C, and total deformation is more than 60%;
S2, forging stock carry out destressing and α phase Tempering and Quenchings, heat preservation postcooling to room temperature;
S3, removal forging stock surface scale;
S4, hot rolling treatment, 600 DEG C~900 DEG C of hot-rolled temperature, 1~10%, total deformation is more than for first pass deformation control
50%, and commutation rolling is carried out when hot rolling treatment;
S5, cold-rolling treatment, total deformation are 15~25%;
S6, ageing treatment, temperature are 300 DEG C~450 DEG C, keep the temperature 3.5~6h.
2. the preparation method of titanium alloy plate according to claim 1, which is characterized in that before step S1, will be used for
The raw material of manufacture titanium alloy plate is most molten through consumable electrode vacuum furnace three times afterwards by packing alloy packet, electrode compacting, the weldering of plasma group
Refine into ingot blank.
3. the preparation method of titanium alloy plate according to claim 2, which is characterized in that aluminium molybdenum intermediate alloy, aluminium
Beans, titanium tin intermediate alloy, chromium simple substance, ferrotianium intermediate alloy and titanium sponge are as the raw material for manufacturing titanium alloy plate.
4. the preparation method of titanium alloy plate according to claim 2, which is characterized in that temperature control is 1200 when melting
DEG C -1500 DEG C, refining time is controlled in 20min-40min.
5. the preparation method of titanium alloy plate according to claim 1, which is characterized in that in step S2, the temperature of heat treatment
Degree control keeps the temperature 1.5~4 hours at 650 DEG C~900 DEG C, heat preservation postcooling to room temperature.
6. the preparation method of titanium alloy plate according to claim 1, which is characterized in that in step S3, using steel ball into
Row bead removes forging stock surface scale.
7. the preparation method of titanium alloy plate according to claim 6, which is characterized in that in step S3, to removing surface
The forging stock of oxide skin carries out pickling, and pickling temperature is 50 DEG C~55 DEG C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810185493.9A CN108277447A (en) | 2018-03-07 | 2018-03-07 | A kind of preparation method of titanium alloy plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810185493.9A CN108277447A (en) | 2018-03-07 | 2018-03-07 | A kind of preparation method of titanium alloy plate |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108277447A true CN108277447A (en) | 2018-07-13 |
Family
ID=62809261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810185493.9A Pending CN108277447A (en) | 2018-03-07 | 2018-03-07 | A kind of preparation method of titanium alloy plate |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108277447A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112238152A (en) * | 2020-08-13 | 2021-01-19 | 陕西天成航空材料有限公司 | Preparation method of wide and super-thick TC4 titanium alloy plate |
CN114058900A (en) * | 2020-07-30 | 2022-02-18 | 宝武特种冶金有限公司 | Titanium alloy containing aluminum and manganese elements, cold-rolled single sheet and preparation method thereof |
CN116770116A (en) * | 2023-08-17 | 2023-09-19 | 成都先进金属材料产业技术研究院股份有限公司 | Weak texture TA18 titanium alloy bar and preparation method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103045978A (en) * | 2012-11-19 | 2013-04-17 | 中南大学 | Preparation method of TCl8 titanium alloy plate |
CN104946928A (en) * | 2015-06-11 | 2015-09-30 | 中国航空工业集团公司北京航空材料研究院 | Titanium alloy with easily refined grains and preparing method thereof |
CN106955893A (en) * | 2017-03-17 | 2017-07-18 | 中国航发北京航空材料研究院 | A kind of superplastic forming processing method of SP700 titanium-alloy thin-plates |
CN107747002A (en) * | 2017-11-01 | 2018-03-02 | 五华县新锐科技有限公司 | A kind of titanium alloy and its manufacture method applied to sporting goods |
-
2018
- 2018-03-07 CN CN201810185493.9A patent/CN108277447A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103045978A (en) * | 2012-11-19 | 2013-04-17 | 中南大学 | Preparation method of TCl8 titanium alloy plate |
CN104946928A (en) * | 2015-06-11 | 2015-09-30 | 中国航空工业集团公司北京航空材料研究院 | Titanium alloy with easily refined grains and preparing method thereof |
CN106955893A (en) * | 2017-03-17 | 2017-07-18 | 中国航发北京航空材料研究院 | A kind of superplastic forming processing method of SP700 titanium-alloy thin-plates |
CN107747002A (en) * | 2017-11-01 | 2018-03-02 | 五华县新锐科技有限公司 | A kind of titanium alloy and its manufacture method applied to sporting goods |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114058900A (en) * | 2020-07-30 | 2022-02-18 | 宝武特种冶金有限公司 | Titanium alloy containing aluminum and manganese elements, cold-rolled single sheet and preparation method thereof |
CN112238152A (en) * | 2020-08-13 | 2021-01-19 | 陕西天成航空材料有限公司 | Preparation method of wide and super-thick TC4 titanium alloy plate |
CN116770116A (en) * | 2023-08-17 | 2023-09-19 | 成都先进金属材料产业技术研究院股份有限公司 | Weak texture TA18 titanium alloy bar and preparation method thereof |
CN116770116B (en) * | 2023-08-17 | 2023-12-01 | 成都先进金属材料产业技术研究院股份有限公司 | Weak texture TA18 titanium alloy bar and preparation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109136653B (en) | Nickel-based alloy for nuclear power equipment and manufacturing method of hot rolled plate of nickel-based alloy | |
CN109161726B (en) | High-strength high-toughness corrosion-resistant titanium alloy and preparation method thereof | |
CN101845605B (en) | Austenitic stainless steel plate with excellent strength at medium and low temperature and manufacturing method thereof | |
CN109182840A (en) | Strength titanium alloy material and preparation method thereof in a kind of low cost | |
CN103949805A (en) | Method for preparing welding wire made of nickel base alloy | |
EP1373590A1 (en) | Ultra-high-strength precipitation-hardenable stainless steel and elongated strip made therefrom | |
WO2013159669A1 (en) | Stainless steel material and manufacturing method therefor | |
CN107022696B (en) | A kind of bio-medical metastable beta-type Zr-Nb alloy cast ingots and preparation method thereof | |
CN108277447A (en) | A kind of preparation method of titanium alloy plate | |
CN104073684A (en) | Titanium alloy containing Cr and Mn elements and preparation method thereof | |
CN103949798A (en) | Preparation method for nickel base alloy welding wire with relatively high yield | |
CN106011684A (en) | High-strength and high-toughness stainless steel material and preparation method thereof | |
CN109504877A (en) | A kind of TA23 sheet alloy and the preparation and application of high impact toughness and high-ductility | |
EP1772528B1 (en) | Titanium alloy and method of manufacturing titanium alloy material | |
CN109487116A (en) | High-strength CTB alloy band and preparation method suitable for electrically conductive elastic component | |
CN103060609B (en) | Near-beta titanium alloy with low elastic modulus and high strength and preparation method of near-beta titanium alloy | |
CN109266906A (en) | A kind of beta titanium alloy material and its preparation method and application | |
CN109518079A (en) | A kind of production method of hydrogen-contacting equipment 15CrMoR steel plate | |
CN103962755A (en) | Method for preparing nickel base alloy welding wire with diameter smaller than 3 mm | |
CN103962747A (en) | Nickel base alloy welding wire with diameter smaller than 3 mm | |
CN114657417A (en) | High-strength plastic titanium alloy suitable for cold deformation processing and preparation method thereof | |
CN102758149A (en) | High-aluminum stainless steel plate and rolling method thereof | |
CN104087734A (en) | Method for preparing high-performance maraging-steel steel belt | |
CN109504876A (en) | A kind of Ti80 cut deal of high impact toughness and the preparation method and application thereof | |
CN106011543A (en) | Improved type Fe-Co-V alloy and manufacturing method thereof |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180713 |
|
RJ01 | Rejection of invention patent application after publication |