CN101634008A - Titanium coiled sheet controlled cooling and annealing process - Google Patents
Titanium coiled sheet controlled cooling and annealing process Download PDFInfo
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- CN101634008A CN101634008A CN200910157800A CN200910157800A CN101634008A CN 101634008 A CN101634008 A CN 101634008A CN 200910157800 A CN200910157800 A CN 200910157800A CN 200910157800 A CN200910157800 A CN 200910157800A CN 101634008 A CN101634008 A CN 101634008A
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Abstract
The invention provides a titanium coiled sheet controlled cooling and annealing process which comprises the following steps: placing titanium coiled sheets into an annealing furnace; replacing furnace gas with inert gas, heating the titanium coiled sheets at a heating rate of 50-200 DEG C per hour to a temperature higher more than the recrystallization temperature and keeping for 2-25 hours; firstly, slowly cooling the titanium coiled sheets at a cooling rate of 10-50 DEG C per hour for 1-5 hours, then introducing the inert gas into the annealing furnace, and cooling the titanium coiled sheets at a cooling rate of more than 50-150 DEG C per hour to tapping temperature; and taking the titanium coiled sheets out of the furnace. The titanium coiled sheet controlled cooling and annealing process can improve the surface quality of titanium coiled sheets after annealing, avoid bonding during annealing operation, raise the product quality, reduce the energy and material consumption, and improve the production efficiency.
Description
Technical field
The present invention relates to the thermal treatment process of metallic substance, definitely say, relate to and utilize bell type annealing furnace to handle titanium coiled sheet, especially cold rolling industrial pure titanium coiled sheet.
Background technology
Pure titanium has some characteristics different with steel, and for example crystal has the ppolymorphism body structure, is close-packed hexagonal structure below 882 ℃, and slip system is few, and anisotropy is obvious, and chemical property is active, and cold working working hardening effect is remarkable.Web-like or tabular titanium material (hereinafter referred to as the titanium coiled sheet) need anneal after cold rolling.The industrially pure titanium of cold deformation is according to the different recrystallization temperatures that have between 450-550 ℃ of impurity component and cold deformation rate, and annealing temperature should be higher than recrystallization temperature.The chemical property of titanium is active, high temperature down easily generates zone of oxidation with element reaction such as airborne O, H, N, make the physicochemical property variation, except that hardness and fragility increase and plasticity and elasticity reduction, the adsorptivity of the industrially pure titanium under the high temperature is also stronger, carbide and dust in surface residues after cold rolling and the annealing intensification atmosphere may be adsorbed to the surface, form the annealing blackspot, influence titanium coiled sheet surface quality thus.
Existing titanium coiled sheet annealing treating process comprises vacuum annealing or inert-free gas protection annealing.The flat 9-217157 of JP discloses a kind of vacuum annealing process: at first annealing furnace is vacuumized, be heated to then more than 400 ℃ to annealing temperature, then be heated to 600-700 ℃ and insulation under the situation of high-purity nitrogen charging into.Under the relative vacuum state, still there is harmful atmosphere in the stove, nitrogen also has a negative impact to the titanium coiled sheet surface quality after the annealing.Vacuum annealing process is to the requirement height of equipment, and security is lower, is unsuitable for the annealing that big volume weighs the titanium coiled sheet.Inert-free gas protection annealing is carried out in open environment, and there is zone of oxidation on the titanium coiled sheet surface after the annealing, and is of poor quality, needs to clear up zone of oxidation after the annealing, both increased materials consumption and workload, reduces production efficiency again.When annealing with the titanium roll form, adsorptivity is stronger when the condition of high temperature, and chemical property is more active, forms interlaminar bonding easily in the effect of thermal stress, titanium volume surface damage when causing uncoiling, and serious causing can not uncoiling.Therefore, people's expectation is improved above-mentioned existing titanium plate coil annealing process.
Summary of the invention
For this reason, the purpose of this invention is to provide a kind of titanium coiled sheet controlled cooling and annealing process, improve the titanium coiled sheet surface quality after annealing whereby, bond when avoiding anneal, improve the quality of products, cut down the consumption of energy and spillage of material, enhance productivity.
For realizing this purpose, the invention provides a kind of titanium coiled sheet controlled cooling and annealing process, comprising:
A, the titanium coiled sheet is put into annealing furnace;
B, use the inert gas replacement furnace gas, the titanium coiled sheet is heated above its recrystallization temperature and is incubated 2-25 hour;
C, with the slow cooling cooling time titanium coiled sheet of 10-50 ℃/hour speed of cooling and 1-5 hour, feed annealing furnace with rare gas element this moment;
D, then to be higher than 50 ℃/hour to 150 ℃/hour speed of cooling cooling titanium coiled sheet to tapping temperature;
E, the titanium coiled sheet is come out of the stove.
In the present invention, the chemical ingredients of titanium coiled sheet meets standard GB/T 3620.1-2007, for example the titanium coiled sheet contain≤0.50% Fe ,≤0.08% C ,≤0.05% N ,≤0.015% H and≤0.48% O, and single amount≤0.10% and other unavoidable impurities of total amount≤0.40%, surplus is Ti.
In above-mentioned titanium coiled sheet controlled cooling and annealing process, preferably adopt purity greater than 95% to 99.99999% argon gas as rare gas element.If purity of argon is less than or equal to 95%, then may have a negative impact to the titanium coiled sheet surface quality after annealing because of wherein being doped with oxygen.From economy, purity of argon is unsuitable too high, therefore selects 99.99999% as the upper limit.Preferred purity is the argon gas more than 99.9%.
According to the present invention, above-mentioned heat-processed can be carried out in two steps, earlier the titanium coiled sheet is heated to 350-450 ℃ and be incubated 1-25 hour, then the titanium coiled sheet is heated above its recrystallization temperature and is incubated 2-25 hour with 50-200 ℃/hour rate of heating with 50-200 ℃/hour speed.
As everyone knows, the difference that the commercial titanium coiled sheet is looked its composition has different recrystallization temperatures, roughly between 450-550 ℃.The present invention stipulates for this reason, in step B the titanium coiled sheet is heated above 550 ℃.Need not limit the Heating temperature upper limit in principle, but cause the thick consideration of excessive grain from economy and the too high meeting of Heating temperature, preferred 750 ℃ is the Heating temperature upper limit.Preferred 580-750 ℃ Heating temperature scope.
In above-mentioned titanium coiled sheet controlled cooling and annealing process,, can before steps A, carry out skimming treatment to titanium coiled sheet surface by the chemical bases washing method for obtaining better titanium coiled sheet surface quality.
The applicant finds in the invention research process, when in inert atmosphere, annealing, along with annealing temperature raises, moisture, Residual oil, dust and impurity that table body, inner cover inwall, table pipeline and titanium coiled sheet surface etc. are brought in the stove begin volatilization, compound and carbonization occur, these volatile matters, compound and carbide can have a negative impact to the surface quality after the annealing of titanium coiled sheet.Be head it off, in any embodiment of above-mentioned titanium plate coil annealing process, in above-mentioned heat-processed, earlier the titanium coiled sheet be heated to 350-450 ℃ and be incubated 1-25 hour, in heating and insulating process all the time with 20-120 rice
3/ hour flow rare gas element is fed annealing furnace, then the titanium coiled sheet is heated above its recrystallization temperature and insulation.Doing like this is the volatile matter, compound and the carbide that are formed by moisture, Residual oil, dust, impurity that produces to the process of 380-450 ℃ heating and insulation subsequently in order to replace or to take away, avoid it to be deposited on titanium coiled sheet surface, eliminate annealing blackspot phenomenon thus.
According to the present invention, the preferred bell type annealing furnace that adopts is carried out above-mentioned annealing process, it comprises inner cover, active heating mantles and active cooling cowl, this moment is in steps A, the titanium coiled sheet is hung into inner cover, in the heat-processed of step B, before the titanium coiled sheet being heated above recrystallization temperature and insulation with heating mantles, earlier the titanium coiled sheet is heated to 350-450 ℃ and be incubated 1-25 hour with heating mantles, in this process with 20-120 rice
3/ hour flow rare gas element is fed inner cover.
In the above embodiment of the present invention, in the B step initial stage, the most handy rare gas element with furnace gas replace to furnace pressure be the 10-10000Pa malleation, be in this level for keeping furnace pressure, preferably in the heating of step B and insulating process all the time with 20-120 rice
3/ hour flow in stove, feed rare gas element such as argon gas.Like this, leak although furnace gas may occur in heating and insulating process, above-mentioned pressurize measure can guarantee furnace pressure level up to specification, obtains good annealing coiled sheet quality thus.
When carrying out annealing process with bell type annealing furnace, in process of cooling, still cover at heating mantles under the situation of inner cover and be with the heating mantles cooling earlier, with cooling cowl the titanium coiled sheet is cooled to tapping temperature then.Annealing process of the present invention can adopt the annealing furnace of other type to implement.When the heating mantles with bell type annealing furnace carries out slow cooling, adopt 10-50 ℃/hour speed of cooling and 1-5 hour cooling time.
In any one embodiment of above-mentioned titanium coiled sheet controlled cooling and annealing process, in step C and D, preferably inert gas pressure in the annealing furnace is remained on the 10-10000Pa malleation, for this reason with 1-20 rice
3/ hour flow rare gas element such as argon gas are fed annealing furnace, for example the inner cover of bell type annealing furnace guarantees furnace pressure level up to specification thus, and then obtains good annealing coiled sheet quality.
Annealing process according to the present invention is preferred for bell type annealing furnace the cold rolling industrial pure titanium coiled sheet being carried out anneal, can avoid forming interlaminar bonding, titanium coiled sheet surface damage when preventing uncoiling.。
The present invention's regulation, in step B, rare gas element is fed annealing furnace can carry out simultaneously with heat temperature raising, perhaps can feed rare gas element earlier, carries out heat temperature raising then.Perhaps, when the rare gas element feeding does not finish as yet, just can carry out heat temperature raising.In step D, tapping temperature is determined on a case-by-case basis, and is chosen as 20-100 ℃ usually, preferably is lower than 50 ℃.
The present invention's regulation is come out of the stove from step B to the titanium coiled sheet, preferably exists rare gas element with protection titanium coiled sheet in the annealing furnace all the time.Especially behind inert gas replacement, furnace pressure can remain 10-10000Pa.For this reason, preferably after gas displacement, mend rare gas element in each step before come out of the stove.
Titanium coiled sheet controlled cooling and annealing process of the present invention preferably adopts bell type annealing furnace, but be characterized in the opening type inner cover, active heating mantles and the active cooling cowl that comprise that the available hydraulic pin compresses, heating mantles is equipped with burner, is used for according to implementing annealing temperature control by the temperature sensor of annealing furnace such as the temperature of thermocouple measurement.Certainly, the present invention also can adopt the annealing furnace of other type.
Description of drawings
Below, describe embodiments of the invention in conjunction with the accompanying drawings in detail, wherein:
Fig. 1 is the synoptic diagram that is used to implement according to the bell type annealing furnace of titanium coiled sheet controlled cooling and annealing process of the present invention;
Fig. 2 is the annealing process curve synoptic diagram according to the 1st embodiment of the present invention;
Fig. 3 is the annealing process curve synoptic diagram according to the 2nd embodiment of the present invention;
Fig. 4 is the annealing process curve synoptic diagram according to the 6th embodiment of the present invention;
Embodiment
The invention provides titanium coiled sheet controlled cooling and annealing process, its available bell type annealing furnace is implemented, as shown in Figure 1, it comprises openable inner cover 1, active heating mantles and active cooling cowl, heating mantles is furnished with a plurality of burners, is used for heating the titanium coiled sheet 3 that is placed into inner cover according to the temperature of being surveyed by the temperature sensor such as the thermopair of annealing furnace.
Titanium coiled sheet controlled cooling and annealing process of the present invention comprises: the titanium coiled sheet is put into annealing furnace; With rare gas element 2 displacement furnace gas, the titanium coiled sheet is heated above its recrystallization temperature and is incubated 2-25 hour; At first with 10-50 ℃/hour speed of cooling and 1-5 hour slow cooling cooling time titanium coiled sheet, this moment, rare gas element was passed into annealing furnace, then to be higher than 50 ℃/hour to 150 ℃/hour speed of cooling cooling titanium coiled sheet to tapping temperature; The titanium coiled sheet is come out of the stove.In above-mentioned process of cooling, at first the titanium coiled sheet after the heating is carried out slow cooling to avoid the too fast bonding that causes of speed of cooling, this can advantageously improve the surface quality of annealing product.
Below, specifically describe the present invention in conjunction with a plurality of embodiment of controlled cooling and annealing process of the present invention.
The 1st embodiment
The 1st embodiment of titanium coiled sheet controlled cooling and annealing process of the present invention comprises: cold rolled titanium sheet coil is put into annealing furnace, is above-mentioned bell type annealing furnace at this; With 50 meters
3/ hour flow thoroughly replace furnace atmosphere with purity greater than 99% argon gas, to furnace pressure be the 5000Pa malleation, thereby make the interior argon gas atmosphere purity of stove greater than 99%, with 150 ℃/hour rate of heating the titanium coiled sheet is heated to 680 ± 10 ℃ and be incubated 2 hours subsequently, in insulating process with 20 meters
3/ hour flow to feed argon gas be 5000Pa to keep furnace pressure; Under the situation of band heating mantles earlier with cooling time of 45 ℃/hour speed of cooling and 4 hours with titanium coiled sheet slow cooling to 500 ℃, change cooling cowl again and be cooled to 45 ℃ with 100 ℃/hour speed of cooling, in process of cooling all with 5 meters
3/ hour flow to feed argon gas be 5000Pa to keep furnace pressure; The titanium coiled sheet is come out of the stove.
Fig. 2 represents the annealing process curve of the 1st embodiment, and the titanium coiled sheet of annealed processing can directly be sent to road, back manufacturing procedure, need not further to clear up titanium coiled sheet surface, and the annealing bonding does not take place yet.
The 2nd embodiment
The 2nd embodiment of titanium coiled sheet controlled cooling and annealing process of the present invention can utilize above-mentioned bell type annealing furnace to implement, and this annealing process comprises: be put into the titanium coiled sheet on the annealing furnace table and buckle inner cover; Thoroughly replace inner cover atmosphere with rare gas element, to furnace pressure be the 5000Pa malleation, subsequently with heating mantles heating, be heated to 400 ℃ and be incubated 1.5 hours with 200 ℃/hour rate of heating with the titanium coiled sheet this moment earlier, in heating and insulating process with 50 meters
3/ hour flow inert gas purge inner cover, displacement and take away the volatile matter, compound and the carbide that form by moisture, Residual oil, dust and impurity that in heating and insulating process, produces, stop inert gas purge subsequently and the titanium coiled sheet be heated to 680 ± 10 ℃ and be incubated 2 hours with 200 ℃/hour rate of heating, in heating and insulating process with 5 meters
3/ hour flow feed rare gas element; At first be with the heating mantles cooling, this moment with cooling time of 50 ℃/hour speed of cooling and 3.5 hours with rare gas element slow cooling titanium coiled sheet to about 500 ℃, after the cooling of band heating mantles finishes, with cooling cowl the titanium coiled sheet is cooled to about 50 ℃ with 150 ℃/hour speed of cooling, in process of cooling all with 5 meters
3/ hour flow with rare gas element to the titanium coiled sheet protect the cooling and furnace pressure is remained under the condition of 5000Pa; Hang out inner cover, the titanium coiled sheet is come out of the stove.
Fig. 3 represents the annealing process curve of the 2nd embodiment, and the titanium coiled sheet of annealed processing can directly be sent to road, back manufacturing procedure, need not further to clear up titanium coiled sheet surface, annealing bonding and blackspot do not occur.
The 3rd embodiment
The 3rd embodiment of titanium coiled sheet controlled cooling and annealing process of the present invention can utilize above-mentioned bell type annealing furnace to implement, and this annealing process comprises: be put into the titanium coiled sheet on the annealing furnace table and buckle inner cover; Thoroughly replace inner cover atmosphere with rare gas element, to furnace pressure be the 8000Pa malleation, at metathetical simultaneously, heat with heating mantles, earlier be heated to about 450 ℃ and be incubated 1.5 hours with 170 ℃/hour rate of heating with the titanium coiled sheet this moment, and the usefulness rare gas element is with 20 meters in heating and insulating process
3/ hour flow purge inner cover, with displacement with take away the volatile matter, compound and the carbide that form by moisture, Residual oil, dust, impurity that in heating and insulating process, produces, stop inert gas purge subsequently and the titanium coiled sheet is heated to 740 ± 10 ℃ and be incubated 3 hours by 180 ℃/hour rate of heating; At first be with the heating mantles cooling, this moment with rare gas element with cooling time of 50 ℃/hour speed of cooling and 4 hours with the slow cooling of titanium coiled sheet to about 550 ℃, after the cooling of band heating mantles finishes, with 120 ℃/hour speed of cooling the titanium coiled sheet is cooled to about 45 ℃ with cooling cowl, in the cooling cowl process of cooling, with 1 meter
3/ hour flow with rare gas element to the titanium coiled sheet protect the cooling and furnace pressure is remained under the condition of 8000Pa; Hang out inner cover, the titanium coiled sheet is come out of the stove.
The titanium coiled sheet of annealed processing can directly be sent to road, back manufacturing procedure, need not further to clear up titanium coiled sheet surface, annealing bonding and blackspot do not occur.
The 4th embodiment
The 4th embodiment of titanium coiled sheet controlled cooling and annealing process of the present invention can utilize above-mentioned bell type annealing furnace to implement, and this annealing process comprises: the inner cover of the titanium coiled sheet being put into annealing furnace; With purity is that 99.999% argon gas is thoroughly replaced inner cover atmosphere, to furnace pressure be the 5000Pa malleation, subsequently with heating mantles heating, be heated to 680 ℃ and be incubated 2.5 hours with 180 ℃/hour rate of heating with the titanium coiled sheet this moment, in heating and insulating process with 50 meters
3/ hour flow to feed purity be 99.999% argon gas, to keep furnace pressure 5000Pa; Under the condition that keeps furnace pressure 5000Pa, be with the heating mantles cooling, this moment is with 5 meters
3/ hour flow to feed purity be 99.999% argon gas, on the one hand with cooling time of 50 ℃/hour speed of cooling and 5 hours with the slow cooling of titanium coiled sheet to about 420 ℃, realize pressurize on the other hand, and after the cooling of band heating mantles finishes, with cooling cowl the titanium coiled sheet is cooled to about 30 ℃ with 120 ℃/hour speed of cooling, in this process of cooling with 4 meters
3/ hour flow to feed purity be 99.999% argon gas, be used to cool off the titanium coiled sheet on the one hand, be used for pressurize on the other hand; Hang out inner cover, the titanium coiled sheet is come out of the stove.
The titanium coiled sheet of annealed processing can directly be sent to road, back manufacturing procedure, need not further to clear up titanium coiled sheet surface, the annealing bonding do not occur.
The 5th embodiment
The 5th embodiment of titanium coiled sheet controlled cooling and annealing process of the present invention can utilize above-mentioned bell type annealing furnace to implement, and this annealing process comprises: clean the titanium coiled sheet with conventional chemical bases washing method, it is carried out surperficial skimming treatment; To put into the inner cover of annealing furnace through the titanium coiled sheet of skimming treatment; Thoroughly replace inner cover atmosphere with rare gas element, to furnace pressure be the 3000Pa malleation, at metathetical simultaneously, with heating mantles the titanium coiled sheet is heated to about 660 ℃ and be incubated 2 hours according to 100 ℃/hour rate of heating; Under the condition that feeds rare gas element maintenance furnace pressure 3000Pa, be with the heating mantles cooling, this moment with cooling time of 45 ℃/hour speed of cooling and 4 hours with about titanium coiled sheet slow cooling to 480 ℃, rare gas element plays the titanium coiled sheet is protected the refrigerative effect in the cooling journey, with cooling cowl the titanium coiled sheet is cooled to room temperature according to 150 ℃/hour speed of cooling subsequently, in this process of cooling, uses rare gas element to protect cooling; Hang out inner cover, the titanium coiled sheet is come out of the stove.
The titanium coiled sheet of annealed processing can directly be sent to road, back manufacturing procedure, need not further to clear up titanium coiled sheet surface, the annealing bonding also do not occur.
The 6th embodiment
The 6th embodiment of titanium coiled sheet controlled cooling and annealing process of the present invention can utilize above-mentioned bell type annealing furnace to implement, and this annealing process comprises: the titanium coiled sheet is hung inner cover into annealing furnace; Thoroughly replace inner cover atmosphere with rare gas element, to furnace pressure be the 6110Pa malleation, with heating mantles the titanium coiled sheet is heated to 680 ℃ and be incubated 2 hours with 150 ℃/hour rate of heating subsequently, in heating and insulating process with 20 meters
3/ hour flow feed rare gas element, to keep furnace pressure 5960Pa; Under the condition that keeps furnace pressure 5960Pa, be with the heating mantles cooling, this moment is with 5 meters
3/ hour flow feed rare gas element, on the one hand with cooling time of 45 ℃/hour speed of cooling and 4 hours with the slow cooling of titanium coiled sheet to about 490 ℃, keep furnace pressure 6000Pa on the other hand, and after the cooling of band heating mantles finishes, with cooling cowl the titanium coiled sheet is cooled to about 40 ℃ with 150 ℃/hour speed of cooling, in this process of cooling with 5 meters
3/ hour flow feed rare gas element, be 5890Pa to keep furnace pressure; Hang out inner cover, the titanium coiled sheet is come out of the stove.
Fig. 4 represents the annealing process curve of the 6th embodiment, and the titanium coiled sheet of annealed processing can directly be sent to road, back manufacturing procedure, need not further to clear up titanium coiled sheet surface, and the annealing bonding does not take place.
In the bell type annealing furnace that heats with heating mantles and be incubated, thermopair can be set, the burner on the heating mantles can be controlled annealing temperature according to the temperature that records thus.In controlled cooling and annealing process of the present invention, being preferably in and remaining furnace pressure in above-mentioned heating, insulation and the process of cooling is the 10-10000Pa malleation, filling with inert gas in for this reason in above steps, mending to stove with practical situation as required, obtain better titanium coiled sheet quality thus, the benefit inbound traffics of rare gas element can depend on the circumstances.In adopting band heating mantles refrigerative annealing process, the selection of speed of cooling and time can be decided on factors such as batch, coiled sheet material, form and performances.
Compared with prior art, the present invention has following advantages and effect: compare with vacuum annealing, and can letter Change operating process, reduce equipment requirement, reduce operation easier, improve the security of production process, avoid The existing titanium coiled sheet existing adhesion problem of annealing can make the titanium coiled sheet product physicochemical property after the annealing satisfy The product standard requirement. Compare with inert free gas protection annealing, by keeping malleation in the stove, lazy in minimizing In the time of the property gas consumption, avoid entering stove by the outside air that the reasons such as sealing, leakage, breakage cause In and make the element reactions such as titanium coiled sheet and airborne O, H, N, can make thus the titanium coiled sheet after the annealing Surface non-oxidation layer can directly be sent into next procedure, not only omitted the alkaline bath water behind the conventional annealing quick-fried, The machinery reconditioning of pickling process, oxide layer is also increased work efficiency thus, is reduced production costs and energy consumption, subtract Few environmental pollution, and fundamentally solved exist in the prior art, cause because of surface contamination layer Product physicochemical property variation, hardness increase, plasticity and the problems such as elasticity reduction, fragility increase. The present invention Have also that technology is simple, flow process short, easy to operate, the advantage such as control is easy.
Claims (7)
1. titanium coiled sheet controlled cooling and annealing process comprises:
A, the titanium coiled sheet is put into annealing furnace;
B, use the inert gas replacement furnace gas, the titanium coiled sheet is heated above its recrystallization temperature and is incubated 2-25 hour;
C, with the slow cooling cooling time titanium coiled sheet of 10-50 ℃/hour speed of cooling and 1-5 hour, feed annealing furnace with rare gas element this moment;
D, then is to be higher than 50 ℃/hour to 150 ℃/hour speed of cooling cooling titanium coiled sheet to tapping temperature;
E, the titanium coiled sheet is come out of the stove.
2. titanium coiled sheet controlled cooling and annealing process according to claim 1 is characterized in that the heating of step B is so carried out, and at first the titanium coiled sheet is heated to 350-450 ℃ and be incubated 1-25 hour, in this heating and insulating process with 20-120 rice
3/ hour flow rare gas element is fed annealing furnace, then the titanium coiled sheet is heated above its recrystallization temperature and insulation.
3. titanium coiled sheet controlled cooling and annealing process according to claim 1, it is characterized in that, annealing furnace is a bell type annealing furnace, comprise inner cover, active heating mantles and active cooling cowl, in steps A, the titanium coiled sheet is hung into inner cover, in step B, earlier the titanium coiled sheet is heated to 350-450 ℃ and be incubated 1-25 hour with heating mantles, in this heating and insulating process with 20-120 rice
3/ hour flow inert gas purge inner cover, then continue the titanium coiled sheet is heated above its recrystallization temperature and insulation with heating mantles, in the process of cooling of step C, still cover at heating mantles under the situation of inner cover and be with the heating mantles slow cooling earlier, in the process of cooling of step D, the titanium coiled sheet is cooled to tapping temperature with cooling cowl.
4. titanium coiled sheet controlled cooling and annealing process according to claim 1 is characterized in that, in the heating and insulating process of step B, all the time with 20-120 rice
3/ hour flow feed rare gas element to annealing furnace.
5. according to each described titanium coiled sheet controlled cooling and annealing process in the claim 1 to 4, it is characterized in that, in step C and D, with 1 meter
3/ hour to 20 meters
3/ hour flow rare gas element is fed annealing furnace.
6. titanium coiled sheet controlled cooling and annealing process according to claim 1, it is characterized in that, adopt purity greater than 95% to 99.99999% argon gas as rare gas element, and in the heat-processed of step B, earlier the titanium coiled sheet is warmed up to 350-450 ℃ and be incubated 1-25 hour, then the titanium coiled sheet is warmed up to and is higher than 550-750 ℃ and be incubated 2-25 hour with 50-200 ℃/hour speed with 50-200 ℃/hour speed.
7. according to each described titanium coiled sheet controlled cooling and annealing process in the claim 1 to 4, it is characterized in that, before steps A, skimming treatment is carried out on the surface of titanium coiled sheet by the chemical bases washing method.
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| CN200910157800A CN101634008A (en) | 2008-07-25 | 2009-07-24 | Titanium coiled sheet controlled cooling and annealing process |
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| CN200810058728.4 | 2008-07-25 | ||
| CNA200810058727XA CN101323938A (en) | 2008-07-25 | 2008-07-25 | Process for cold rolling industry pure titanium coil annealing by cover-type annealing furnace |
| CN200810058727.X | 2008-07-25 | ||
| CN200910094126.9 | 2009-02-24 | ||
| CN200910157800A CN101634008A (en) | 2008-07-25 | 2009-07-24 | Titanium coiled sheet controlled cooling and annealing process |
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| CN200910157799A Pending CN101634007A (en) | 2008-07-25 | 2009-07-24 | Titanium plate coil pressure control annealing process |
| CN200910157800A Pending CN101634008A (en) | 2008-07-25 | 2009-07-24 | Titanium coiled sheet controlled cooling and annealing process |
| CN 200910157794 Active CN101634005B (en) | 2008-07-25 | 2009-07-24 | Titanium plate coil annealing process |
| CN200910157798A Pending CN101634006A (en) | 2008-07-25 | 2009-07-24 | Titanium plate coil blowing and annealing process |
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| CN101323938A (en) * | 2008-07-25 | 2008-12-17 | 武钢集团昆明钢铁股份有限公司 | Process for cold rolling industry pure titanium coil annealing by cover-type annealing furnace |
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Family Cites Families (4)
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|---|---|---|---|---|
| CN2177019Y (en) * | 1993-10-22 | 1994-09-14 | 哈尔滨松江电炉厂 | Cover type bright annealing furnace |
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| CN101322977A (en) * | 2008-07-25 | 2008-12-17 | 武钢集团昆明钢铁股份有限公司 | Coil cold rolling industrial pure titanium plate coil |
-
2008
- 2008-07-25 CN CNA200810058727XA patent/CN101323938A/en active Pending
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2009
- 2009-07-24 CN CN200910157799A patent/CN101634007A/en active Pending
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| CN111910139A (en) * | 2020-08-05 | 2020-11-10 | 昆明理工大学 | Method for preventing annealing adhesion of ultrathin titanium strip coil through texturing process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101634005A (en) | 2010-01-27 |
| CN101634006A (en) | 2010-01-27 |
| CN101323938A (en) | 2008-12-17 |
| CN101634007A (en) | 2010-01-27 |
| CN101634005B (en) | 2012-07-18 |
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