CN105603256A - TA3 cold-rolled plate and TA3 cold-rolled plate fine grain reinforcement method - Google Patents
TA3 cold-rolled plate and TA3 cold-rolled plate fine grain reinforcement method Download PDFInfo
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- CN105603256A CN105603256A CN201610067590.9A CN201610067590A CN105603256A CN 105603256 A CN105603256 A CN 105603256A CN 201610067590 A CN201610067590 A CN 201610067590A CN 105603256 A CN105603256 A CN 105603256A
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—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
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Abstract
The invention relates to the field of metal materials, and discloses a TA3 cold-rolled plate fine grain reinforcement method. The method comprises the following steps: plate blank manufacturing, hot rolling, cold rolling and annealing. The plate blank manufacturing raw material contains 0.1-0.3 wt% of Fe and 0.1-0.3 wt% of O. The hot rolling temperature is 800-900 DEG C, the finishing temperature of the hot rolling is not greater than 700 DEG C, the hot-rolled semifinished product after hot rolling is 2-8mm thick, and the deformation rate of the end rolling process of the hot rolling is not less than 45%. The deformation rate of the end rolling process of the cold rolling is not less than 35%. The annealing temperature is 580-650 DEG C, and the soaking time for annealing is 30-60 minutes. The grain size of the TA3 cold-rolled plate prepared by the fine grain reinforcement method reaches Grade 8-9; and the TA3 cold-rolled plate can be substituted for partial low-Al low-V medical titanium alloys, and has excellent market prospects.
Description
Technical field
The present invention relates to a kind of TA3 cold rolled sheet, and a kind of TA3 cold rolled sheet refined crystalline strengthening methodWith a kind of TA3 cold rolled sheet being obtained by the method.
Background technology
As everyone knows, in recent years, biomedical metallic material kept the growth trend of 15-20% every year,Because titanium or titanium alloy specific strength high elastic modulus approaches natural bone, the biofacies that corrosion resistance is good and goodCapacitive and formability, more and more applied in orthopaedics implantation field.
Traditional surgical implants Ti-6Al-4V titanium alloy once had quite widely in Srgery grafting fieldApplication. But also find in recent years some problems, first, owing to there is V element, there is toxicity in V elementProblem implant the later stage patient and embody gradually, secondly, also have research to point out that Al element also can be rightPeople's nervous system impacts.
Therefore, the titanium or titanium alloy of the low V of low Al, Mo, the Nb of nonhazardous, Zr element titanium alloy,Development and application in medicine equipment and Srgery grafting field start to expand. Wherein pure titanium refined crystalline strengthening materialIt is one of developing direction wherein.
The intensity of pure titanium is relatively low, its in early days medical field particularly the use of large load bearing component be subject toRestriction, but due to the quick raising of process technology and working ability in recent years, make pure titanium pass through refined crystalline strengtheningReach the intensity of titanium alloy, become possibility with the user demand that meets the medical titanium of high-mechanic; Meanwhile,The advantage of the alloy-free element potential hazard of pure titanium can be retained. For example: can pass through at presentEqual-diameter bending passage deformation method (ECAP method) makes pure titanium grain size reach nanoscale, and intensity reaches1100MPa above (reaching Ti-6Al-4V level), but due to ECAP method, to be difficult to realize industrialization largeLarge-scale production, therefore limited in industrial application. Therefore, optimizing Fabricating Technology of Fine-grained Strengthening becomes production and can replaceThe key of the TA3 cold rolled sheet of the titanium or titanium alloy of the low V of low Al of generation.
Summary of the invention
The object of the invention is to overcome existing TA3 cold rolled sheet refined crystalline strengthening method is difficult to obtain strongTA3 cold rolled sheet and the higher defect of cost that degree and working plasticity have concurrently, provide a kind of intensity higherWith the good TA3 cold rolled sheet of working plasticity, also provide one can obtain the higher and processing of intensity and mouldedThe TA3 cold rolled sheet of property better and lower-cost TA3 cold rolled sheet refined crystalline strengthening method and preparation thereof.
The present inventor finds by deep research: by control slab constituent, hot rolling,The operations such as cold rolling, annealing, particularly by sneaking into the Fe element of specified quantitative in the making raw material of slabWith O element; In hot rolling, control the rerolling quality obtaining after hot-rolled temperature, whole Zha Wendu, hot rolling thickThe last rolling process deformation rate of degree and hot rolling; In the cold rolling last rolling process deformation rate of cold rolling middle control; Control annealingTemperature and the temperature retention time of annealing carry out the crystal grain of refinement TA3 cold rolled sheet, thereby can obtain finished product mechanicsPerformance is good, the TA3 cold rolled sheet that particularly intensity is higher and working plasticity is good, thus complete thisBright.
The invention provides a kind of TA3 cold rolled sheet, this TA3 cold rolled sheet contains Ti element, Fe unitElement and O element, taking the total amount of TA3 cold rolled sheet as benchmark, the content of described Ti element is 99.4-99.8% by weight, the content of described Fe element is 0.1-0.3 % by weight, the content of described O element is 0.1-0.3% by weight. .
The present invention also provides a kind of TA3 cold rolled sheet refined crystalline strengthening method, and the method comprises: slabMaking, hot rolling, cold rolling and annealing, is characterized in that,
The Fe element that contains 0.1-0.3 % by weight in the making raw material of slab, the O unit of 0.1-0.3 % by weightElement;
Described hot-rolled temperature is 800-900 DEG C, and the finishing temperature of described hot rolling is not more than 700 DEG C, described inThe rerolling quality thickness obtaining after hot rolling is 2-8mm, and the last rolling process deformation rate of described hot rolling is not less than45％；
Described cold rolling last rolling process deformation rate is not less than 35%;
The temperature of described annealing is 580-650 DEG C, and the temperature retention time of described annealing is 30-60 minute.
The present invention also provides the TA3 being prepared by said method cold rolled sheet.
The TA3 cold rolled sheet that adopts refined crystalline strengthening method of the present invention to prepare, its finished product mechanical property reachesYield strength ReLFor 500-530MPa, tensile strength RmFor 580-610MPa, elongation after fracture AFor 28-32%, performance meets the requirement of GB/T13810-2007, tensile strength R completelymAnd surrender is strongDegree ReLImprove about 100MPa compared with prior art. The TA3 that adopts refined crystalline strengthening method of the present invention to prepareThe grain size of cold rolled sheet reaches 8-9 level, can replace the medical titanium alloy of the low V of the low Al of part, hasGood market prospects. TA3 cold rolled sheet refined crystalline strengthening method cost provided by the invention is low, flow process letterSingle, can realize large-scale industrialization and produce.
Other features and advantages of the present invention are described in detail the detailed description of the invention part subsequently.
Brief description of the drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for description, withDetailed description of the invention one is below used from explanation the present invention, but is not construed as limiting the invention. ?In accompanying drawing:
Fig. 1 is the microstructure picture of the TA3 cold rolled sheet prepared of the embodiment of the present invention 1;
Fig. 2 is the microstructure picture of the TA3 cold rolled sheet prepared of the embodiment of the present invention 4;
Fig. 3 is the microstructure picture of the TA3 cold rolled sheet prepared of comparative example 3 of the present invention.
Detailed description of the invention
Below the specific embodiment of the present invention is elaborated. Should be understood that, retouch in this placeThe detailed description of the invention of stating only, for description and interpretation the present invention, is not limited to the present invention.
TA3 cold rolled sheet refers to composition and meets that TA3 composition in GB/T3620.1-2007 requiresMaterial, finally, by the sheet material of room temperature rolling moulding, is generally used for medicine equipment and Srgery grafting field.
The invention provides a kind of TA3 cold rolled sheet, this TA3 cold rolled sheet contains Ti element, Fe elementWith O element, taking the total amount of TA3 cold rolled sheet as benchmark, the content of described Ti element is 99.4-99.8% by weight, the content of described Fe element is 0.1-0.3 % by weight, the content of described O element is 0.1-0.3% by weight.
In the present invention, in described TA3 cold rolled sheet, also may contain impurity, mainly comprise C, N andH elements etc., in the time containing these impurity, the summation of the amount of each element still meets 100%.
In the present invention, although just can realize this in the time that the composition of TA3 cold rolled sheet is in above-mentioned scopeThe object of invention, but in order to obtain the TA3 cold rolled sheet intensity of enhancing and better working plasticity,Under preferable case, described TA3 cold rolled sheet, taking the total amount of TA3 cold rolled sheet as benchmark, described TiThe content of element is 99.5-99.6 % by weight, and the content of described Fe element is 0.2-0.25 % by weight, instituteThe content of stating O element is 0.2-0.25 % by weight.
A preferred embodiment of the invention, the grain size of described TA3 cold rolled sheet be 8 grades withUpper, further preferred, grain size is 8-9 level.
A preferred embodiment of the invention, the crystallite dimension of described TA3 cold rolled sheet is15.9-22.5 μ m, more preferably 15.9-18.9 μ m.
A preferred embodiment of the invention, the yield strength R of described TA3 cold rolled sheeteLFor500-530MPa, tensile strength RmFor 580-610MPa, elongation after fracture A is 28-32%.
TA3 cold rolled sheet finished product mechanical property provided by the invention is good, particularly intensity higher and processing mouldProperty is good, can replace the medical titanium alloy of the low V of the low Al of part, has good market prospects.
As long as having aforementioned feature, TA3 cold rolled sheet provided by the invention can realize object of the present invention,Without particular/special requirement, every can prepare that to have the TA3 of aforementioned feature and character cold rolling to its preparation methodThe method of sheet material all can be used for the present invention, and for the present invention, preferably TA3 cold rolled sheet as followsPreparation, the method comprises: the making of slab, hot rolling, cold rolling and annealing, wherein,
The Fe element that contains 0.1-0.3 % by weight in the making raw material of slab, the O unit of 0.1-0.3 % by weightElement;
Described hot-rolled temperature is 800-900 DEG C, and the finishing temperature of described hot rolling is not more than 700 DEG C, described inThe rerolling quality thickness obtaining after hot rolling is 2-8mm, and the last rolling process deformation rate of described hot rolling is not less than 45％；
Described cold rolling last rolling process deformation rate is not less than 35%;
The temperature of described annealing is 580-650 DEG C, and the temperature retention time of described annealing is 30-60 minute.
In the present invention, the making raw material of slab is not had to special requirement, as long as the making raw material of slabIn contain 0.1-0.3 % by weight Fe element, the O element of 0.1-0.3 % by weight.
A preferred embodiment of the invention, the making raw material of described slab comprises titanium sponge, twoTitanium oxide and containing Fe material. Those skilled in the art can select according to actual conditions, slabMake in raw material titanium dioxide and containing adding of Fe material be in order to make Fe element and O element in raw materialAmount meet above-mentioned requirements, if the amount of Fe element and O element meets above-mentioned requirements, institute in titanium spongeThe making raw material of stating slab can not be added with titanium dioxide and contain Fe material.
A preferred embodiment of the invention, described titanium sponge can be zero level titanium sponge and/or0A level titanium sponge.
Contain Fe element as long as described in the present invention containing Fe material, as long as can make described plateIn the making raw material of base, Fe constituent content meets above-mentioned requirements.
In the present invention, preferably described is IF steel containing Fe material. And the oxide of Fe is cold rolling at TA3In sheet material refined crystalline strengthening, be easily oxidized, so be difficult for accurately controlling the content of Fe element and O element.
Fe element and the O element of in the present invention, in the making raw material of slab, allocating a certain amount of scope into, makeIt is organized and more easily brings out distortion, is more conducive to later stage sheet material large area Recrystallization nucleation and creates conditions.
A preferred embodiment of the invention, contains 0.2-0.25 in the making raw material of described slabThe Fe element of % by weight, the O element of 0.2-0.25 % by weight. Adopt this preferred Fe element and O unitThe content of element is more conducive to later stage TA3 cold rolled sheet large area Recrystallization nucleation, is more conducive to improve TA3 coldThe grain size of rolling sheets.
In the present invention, to the manufacturing process of described slab, there is no particular limitation, can be conventional for this areaMethod, for example, mix rear electrode pressing by the making raw material of slab, adopts vacuum consumable electrode arc furnace to enterRow melting, forges after melting.
In the present invention, for the thickness of the slab of made, there is no particular limitation, in order to make slab energyEnough meet the requirement of last rolling process deformation rate in subsequent hot rolled and cold-rolled process, preferably the slab of made is thickDegree is 70-90mm.
In the present invention, preferably control hot-rolled temperature below the transformation temperature of TA3 cold rolled sheetLow temperature, preferred described hot-rolled temperature is 840-860 DEG C. This preferred hot-rolled temperature can be kept away on the one handExempt from TA3 cold rolled sheet institutional framework and worsen, can suppress on the other hand grain growth in heating process.
In the present invention, the finishing temperature of preferred described hot rolling is 600-650 DEG C. This preferred hot rollingThe broken crystal grain continued growth that finishing temperature can avoid too high finishing temperature to cause.
In the present invention, the rerolling quality thickness obtaining after preferred described hot rolling is 2.5-6mm, enters oneWalk preferred 3.5-6mm. Adopting the rerolling quality thickness obtaining after this preferred hot rolling to be more conducive to meet shouldThe requirement of the last rolling process deformation rate of method to hot rolling, is more conducive to the crystalline substance of further refinement TA3 cold rolled sheetGrain.
There is no particular limitation for the rolling process number that the present invention comprises described course of hot rolling, art technology peopleMember can carry out suitable selection according to the requirement of product, in order further to improve the matter of TA3 cold rolled sheetAmount, preferred described hot rolling comprises at least 2 rolling processes, further preferably includes 2-4 rolling process, most preferablyComprise 3 rolling processes.
For the rolling process deformation rate except last rolling process in course of hot rolling, there is no particular limitation in the present invention,As long as ensure that the last rolling process deformation rate of described hot rolling is not less than 45%, be preferably 45-60%, further excellentElect 45-50% as.
There is no particular limitation for the rolling process number that the present invention comprises described cold-rolled process, art technology peopleMember can carry out suitable selection according to the requirement of product, in order further to improve the matter of TA3 cold rolled sheetAmount, preferably described cold rolling 1-4 the rolling process that comprise, further preferably includes 1-2 rolling process, most preferably bagDraw together 1 rolling process.
For the rolling process deformation rate except last rolling process in cold-rolled process, there is no particular limitation in the present invention,As long as ensure that cold rolling last rolling process deformation rate is not less than 35%, be preferably 35-45%, more preferably 35-41％。
The present inventor finds under study for action, by one of last rolling process in control hot rolling and cold-rolled processIndividual larger deformation rate, is broken original coarse grain on the one hand, on the other hand by large deformation,The distortional strain energy that increases material structure, can more easily bring out the formation of new nucleus, promotes grain refinement.
For the thickness of described cold rolling finished product, there is no particular limitation in the present invention, and those skilled in the art canSelect according to the requirement of product, preferably the thickness of described cold rolling finished product is 2-4mm.
In the present invention, the temperature of preferred described annealing is 600-620 DEG C, the temperature retention time of described annealingFor 30-45 minute. Adopt the temperature of lower annealing can avoid rapid grain growth, described annealingTemperature retention time is selected according to the rerolling quality thickness obtaining after hot rolling, uses the present invention preferably to move backThe temperature retention time of fire can guarantee that material completes recrystallization, eliminates Deformation structure.
The present invention does not have special restriction for the type of cooling of the rear sheet material of annealing, can be conventional for this areaAny type of cooling, can be for example air cooling.
A preferred embodiment of the invention, the method also comprises carries out alkali to the sheet material after annealingPickling. The present invention for alkali pickling there is no particular limitation, can be according to the conventional alkali-acid washing method in this areaCarry out.
The TA3 cold rolled sheet that the present invention also provides above-mentioned refined crystalline strengthening method to prepare.
TA3 cold rolled sheet provided by the invention has good mechanical property, described TA3 cold rolled sheetYield strength ReLFor 500-530MPa, tensile strength RmFor 580-610MPa, elongation after fracture AFor 28-32%, performance meets the requirement of GB/T13810-2007, tensile strength R completelymAnd surrender is strongDegree ReLImprove about 100MPa compared with prior art.
Adopt the grain size of TA3 cold rolled sheet prepared by refined crystalline strengthening method of the present invention to reach 8-9 level,The medical titanium alloy that can replace the low V of the low Al of part, has good market prospects.
TA3 cold rolled sheet refined crystalline strengthening method provided by the invention, can control gained TA3 cold-reduced sheetThe yield strength R of materialeLWithin the scope of 500-530MPa and tensile strength RmIn 580-610MPa scopeIn, elongation after fracture A is within the scope of 28-32% simultaneously, and grain size reaches 8-9 level, and this TA3 is cold rollingSheet material refined crystalline strengthening method cost is low, and flow process is simple, can realize large-scale industrialization and produce.
Below will describe the present invention by embodiment.
In following examples and comparative example, the assay method of the mechanical property of TA3 cold rolled sheet is: surrender is strongDegree ReL, tensile strength Rm, elongation after fracture A method of testing according to GBT228-2002 metal materialMaterial tensile testing at ambient temperature is carried out; Grain size and the crystallite dimension of TA3 cold rolled sheet are passed through GB/TComparison method in 6394-2002 is measured.
Embodiment 1-5
The present embodiment is used for illustrating TA3 cold rolled sheet of the present invention and refined crystalline strengthening method thereof.
By the making raw material zero level titanium sponge of slab, IF just and titanium dioxide (in raw material, each component is in table 1)Mix rear electrode pressing, adopt vacuum consumable electrode arc furnace to carry out melting, after melting, forge and obtainSlab, the thickness of the slab of made is in table 1;
Slab is heated in heating furnace to hot rolling the first rolling process start rolling temperature and enters three roller laut types rollMachine, carries out hot rolling the first rolling process cogging; After cooling, reheat to start rolling temperature and enter two rollers can notContrary formula milling train, carries out hot rolling the second rolling process cogging and hot rolling the 3rd rolling process cogging (hot rolling end rolling process) and obtainsRerolling quality, course of hot rolling carries out according to the condition in table 2;
Rerolling quality is passed through to cold rolling first according to specific cold rolling last rolling process deformation rate on cold-rolling millRolling process (cold rolling last rolling process) rolls into cold rolling finished product;
Then cold rolling finished product is annealed;
After annealing, adopt molten state NaOH and H2SO4、HNO3With HCl solution, sheet material is carried out to alkali acidWash and obtain TA3 cold rolled sheet, cold rolling and annealing process is carried out according to the condition in table 3.
The mechanical property of TA3 cold rolled sheet finally obtaining and the data of microscopic structure are in table 4, embodimentFig. 1 is shown in by the photo of the microscopic structure of the TA3 cold rolled sheet of 1 preparation, the TA3 of embodiment 2,3 preparationsTA3 cold rolled sheet prepared by the microscopic structure of cold rolled sheet and embodiment 1 is close; Prepared by embodiment 4Fig. 2 is shown in by the photo of the microscopic structure of TA3 cold rolled sheet.
Comparative example 1
According to the method described in embodiment 1, different, the making raw material of slab is zero level titanium sponge(in raw material, each component is in table 1). Mechanical property and the microscopic structure of the TA3 cold rolled sheet finally obtainingData in table 4.
Comparative example 2
According to the method described in embodiment 1, different, in course of hot rolling, last rolling process deformation rate is35%. The mechanical property of TA3 cold rolled sheet finally obtaining and the data of microscopic structure are in table 4.
Comparative example 3
According to the method described in embodiment 1, different, in cold-rolled process, last rolling process deformation rate is25%. The mechanical property of TA3 cold rolled sheet finally obtaining and the data of microscopic structure are in table 4, and it is aobviousFig. 3 is shown in by the photo of micro-tissue.
Comparative example 4
According to the method described in embodiment 1, different, the temperature of annealing in annealing process is700 DEG C. The mechanical property of TA3 cold rolled sheet finally obtaining and the data of microscopic structure are in table 4.
Table 1
Table 2
Table 3
Table 4
Can find out by the data in table 1-4, adopt refined crystalline strengthening method of the present invention, can obtainYield strength ReLFor 500-530MPa, tensile strength RmFor 580-610MPa, elongation after fracture AFor 28-32%, and grain size is more than 8 grades, and crystallite dimension is the high and processing of the intensity of 15.9-22.5 μ mPlasticity good, TA3 cold rolled sheet cheaply.
More than describe the preferred embodiment of the present invention in detail, still, the present invention is not limited to above-mentioned realityExecute the detail in mode, within the scope of technical conceive of the present invention, can be to technical side of the present inventionCase is carried out multiple simple variant, and these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technology spy described in above-mentioned detailed description of the inventionLevy, in reconcilable situation, can combine by any suitable mode.
For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can be combined, as long as itsWithout prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (12)
1. a TA3 cold rolled sheet, is characterized in that, this TA3 cold rolled sheet contain Ti element,Fe element and O element, taking the total amount of TA3 cold rolled sheet as benchmark, the content of described Ti element is99.4-99.8 % by weight, the content of described Fe element is 0.1-0.3 % by weight, the content of described O elementFor 0.1-0.3 % by weight.
2. TA3 cold rolled sheet according to claim 1, wherein, total with TA3 cold rolled sheetAmount is benchmark, and the content of described Ti element is 99.5-99.6 % by weight, and the content of described Fe element is0.2-0.25 % by weight, the content of described O element is 0.2-0.25 % by weight.
3. TA3 cold rolled sheet according to claim 1 and 2, wherein, described TA3 cold-reduced sheetThe grain size of material is more than 8 grades, is preferably 8-9 level; The crystallite dimension of described TA3 cold rolled sheet is15.9-22.5 μ m, is preferably 15.9-18.9 μ m; The yield strength R of described TA3 cold rolled sheeteLFor500-530MPa, tensile strength RmFor 580-610MPa, elongation after fracture A is 28-32%.
4. a TA3 cold rolled sheet refined crystalline strengthening method, the method comprises: the making of slab, hot rolling,Cold rolling and annealing, it is characterized in that,
The Fe element that contains 0.1-0.3 % by weight in the making raw material of slab, the O unit of 0.1-0.3 % by weightElement;
Described hot-rolled temperature is 800-900 DEG C, and the finishing temperature of described hot rolling is not more than 700 DEG C, described inThe rerolling quality thickness obtaining after hot rolling is 2-8mm, and the last rolling process deformation rate of described hot rolling is not less than45％；
Described cold rolling last rolling process deformation rate is not less than 35%;
The temperature of described annealing is 580-650 DEG C, and the temperature retention time of described annealing is 30-60 minute.
5. method according to claim 4, wherein, the making raw material of described slab comprises spongeTitanium, titanium dioxide and containing Fe material, preferred described titanium sponge is zero level titanium sponge and/or 0A level spongeTitanium, preferably described is IF steel containing Fe material.
6. method according to claim 4, wherein, contains in the making raw material of described slabThe Fe element of 0.2-0.25 % by weight, the O element of 0.2-0.25 % by weight.
7. method according to claim 4, wherein, described hot-rolled temperature is 840-860 DEG C, instituteThe finishing temperature of stating hot rolling is 600-650 DEG C, and the rerolling quality thickness obtaining after described hot rolling is2.5-6mm。
8. according to the method described in any one in claim 4-7, wherein, described hot rolling comprise toFew 2 rolling processes, preferably include 2-4 rolling process; The last rolling process deformation rate of described hot rolling is 45-60%.
9. according to the method described in any one in claim 4-7, wherein, the described cold rolling 1-4 that comprisesIndividual rolling process, preferably includes 1-2 rolling process; Described cold rolling last rolling process deformation rate is 35-45%.
10. according to the method described in any one in claim 4-7, wherein, the temperature of described annealingFor 600-620 DEG C, the temperature retention time of described annealing is 30-45 minute.
11. according to the method described in any one in claim 4-7, and wherein, it is right that the method also comprisesSheet material after annealing carries out alkali pickling.
The 12. TA3 cold rolled sheets of preparing according to the method described in any one in claim 4-11.
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| CN108220848A (en) * | 2017-12-29 | 2018-06-29 | 江苏圣珀新材料科技有限公司 | A kind of linear blowing formula method for annealing applied to titanium alloy strip |
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| CN107723514A (en) * | 2017-10-14 | 2018-02-23 | 周书平 | A kind of titanium alloy plate |
| CN107723514B (en) * | 2017-10-14 | 2019-09-20 | 河北纵横集团丰南钢铁有限公司 | A kind of titanium alloy plate |
| CN108220848A (en) * | 2017-12-29 | 2018-06-29 | 江苏圣珀新材料科技有限公司 | A kind of linear blowing formula method for annealing applied to titanium alloy strip |
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