CN115323287A - Thin-wall titanium-silver metal material and manufacturing method thereof - Google Patents
Thin-wall titanium-silver metal material and manufacturing method thereof Download PDFInfo
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- CN115323287A CN115323287A CN202210715610.4A CN202210715610A CN115323287A CN 115323287 A CN115323287 A CN 115323287A CN 202210715610 A CN202210715610 A CN 202210715610A CN 115323287 A CN115323287 A CN 115323287A
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- MZFIXCCGFYSQSS-UHFFFAOYSA-N silver titanium Chemical compound [Ti].[Ag] MZFIXCCGFYSQSS-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000007769 metal material Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 10
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 9
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 9
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 9
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000010936 titanium Substances 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- 229910052796 boron Inorganic materials 0.000 claims abstract description 5
- 239000010941 cobalt Substances 0.000 claims abstract description 5
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 239000010703 silicon Substances 0.000 claims abstract description 5
- 229910052709 silver Inorganic materials 0.000 claims abstract description 5
- 239000004332 silver Substances 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims description 71
- 229910045601 alloy Inorganic materials 0.000 claims description 71
- 239000000843 powder Substances 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 238000002444 silanisation Methods 0.000 claims description 23
- 238000000137 annealing Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 22
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 238000001192 hot extrusion Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 239000011812 mixed powder Substances 0.000 claims description 12
- 238000003723 Smelting Methods 0.000 claims description 10
- 238000005098 hot rolling Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000005496 tempering Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000001291 vacuum drying Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 238000005097 cold rolling Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000000861 blow drying Methods 0.000 claims 1
- 239000011733 molybdenum Substances 0.000 abstract description 3
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 3
- 229910052804 chromium Inorganic materials 0.000 abstract description 2
- 239000011651 chromium Substances 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000006884 silylation reaction Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- 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
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/007—Ferrous alloys, e.g. steel alloys containing silver
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/68—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
Abstract
The invention relates to the technical field of metal materials, in particular to a thin-wall titanium-silver metal material which comprises, by mass, 22% -35% of chromium, 0.03% -0.04% of titanium, 0.04% -0.05% of silver, 2% -3% of copper, 3% -3.4% of molybdenum, 0.07% -0.1% of cobalt, 3% -4% of nickel, 1.5% -2% of silicon, 0.8% -1.3% of vanadium, 0.03% -0.05% of boron and the balance of iron.
Description
Technical Field
The invention relates to the technical field of metal materials, in particular to a thin-wall titanium silver metal material and a manufacturing method thereof.
Background
The existing evaporators or radiators used for air conditioners, refrigeration, refrigerators and heat dissipation are usually made of copper pipes with good processing performance, heat dissipation performance and certain corrosion resistance.
At present, copper metal has excellent performance in all aspects, the application is wide, the yield of copper is low, the purchase cost of copper is high, a hose made of the copper is expensive, and an evaporator and a radiator are high in price during use and cannot be widely used.
In summary, the present invention is designed to solve the existing problems by designing a thin-walled titanium silver metal material and a manufacturing method thereof
Disclosure of Invention
The invention aims to provide a thin-wall titanium silver metal material and a manufacturing method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the thin-wall titanium-silver metal material comprises, by mass, 22-35% of a chromium element, 0.03-0.04% of a titanium element, 0.04-0.05% of a silver element, 2-3% of a copper element, 3-3.4% of a molybdenum element, 0.07-0.1% of a cobalt element, 3-4% of a nickel element, 1.5-2% of a silicon element, 0.8-1.3% of a vanadium element, 0.03-0.05% of a boron element, and the balance of an iron element.
As a preferable aspect of the present invention, a method for manufacturing a thin-walled titanium-silver metallic material includes the steps of:
s1, feeding chromium metal powder, titanium metal powder, silver metal powder, copper metal powder, molybdenum metal powder, cobalt metal powder, nickel metal powder, silicon metal powder, vanadium metal powder, boron powder and iron powder into a mixer to be stirred and mixed to obtain mixed powder, feeding the mixed powder into a vacuum dryer to be subjected to vacuum drying treatment, and after the treatment is finished, feeding the mixed powder into a medium-frequency induction furnace to be smelted, wherein the smelting temperature is 1300-1450 ℃, and the smelting time is 120-150 min to obtain a smelted alloy;
s2, annealing the smelted alloy at the annealing temperature of 200-280 ℃, keeping the temperature for 12-48 h, naturally cooling to room temperature to obtain an alloy ingot, sending the alloy ingot into a metal hot extrusion machine for hot extrusion treatment to obtain an alloy plate, heating the alloy plate to 250-270 ℃ at the speed of 2-2.5 ℃/min, and sending the alloy plate into a rolling machine for hot rolling treatment to obtain an alloy sheet;
s3, feeding the alloy sheet into a precision cold rolling mill for treatment to obtain an ultrathin alloy plate strip, feeding the ultrathin alloy plate strip into a bright heating furnace for quenching and tempering, cleaning the ultrathin alloy plate strip with sulfuric acid solution, washing with deionized water, cleaning with absolute ethyl alcohol and acetone, drying, soaking the ultrathin alloy plate strip in a silanization treatment agent for 10-15 min, taking out, and feeding the ultrathin alloy plate strip into a muffle furnace for silanization treatment;
and S4, feeding the ultrathin alloy plate strip subjected to silanization treatment into a forming die, winding the ultrathin alloy plate strip into a tube blank step by step through a plurality of forming dies, continuously welding the joint of two edges of the tube blank into an infinitely-extended tube along the length direction of the tube blank, and performing heat treatment on the welded tube to eliminate the influence of tube welding to obtain the thin-wall titanium-silver metal tube.
As a preferable embodiment of the present invention, the stirring and mixing step in S1 comprises: stirring the mixture for 2min to 3min at the rotating speed of 800rpm to 850rpm, stirring the mixture for 5min to 7min at the rotating speed of 1200rpm to 1230rpm, repeating the operation for 20 to 25 times, keeping the pressure of vacuum drying treatment between 0.17MPa and 0.185MPa, keeping the temperature for 2h, and then sequentially increasing the temperature by 4 ℃ per hour until the temperature reaches 110 ℃.
As a preferable scheme of the invention, the temperature of the hot extrusion treatment in S2 is 250-280 ℃, the extrusion force is 30 MP-35 MPa, the extrusion speed is 1.5 m/min-2.5 m/min, the reduction of each pass of the hot rolling treatment is controlled at 5-8%, 15-18 passes of reciprocating rolling are carried out, one pass of intermediate annealing is carried out, the intermediate annealing temperature is 200-250 ℃, and the annealing time is 100-130 min.
As a preferable scheme of the invention, the mass concentration of the sulfuric acid solution in the S3 is 1.532-1.688 mol/L, and the silanization treating agent is prepared by mixing a silane coupling agent KH550, deionized water and ethanol according to the volume ratio of 1: 7: 8.
In a preferable embodiment of the invention, the thickness of the ultrathin alloy plate strip in S3 is 0.1mm to 0.22mm.
In a preferable embodiment of the invention, the diameter of the tube blank in the step S4 is 3.10mm to 4.15mm, the diameter deviation of the tube blank is +/-0.005 mm, the thickness of the welding line is 0.13mm to 0.25mm, and the width of the welding line is 0.8mm to 1mm.
In a preferred embodiment of the present invention, the heat treatment in S4 is performed at a temperature of 300 to 380 ℃, for a time of 65 to 85min, and at a pressure of 0.19 to 0.195MPa.
In a preferred embodiment of the present invention, the temperature of the silylation treatment in S3 is 100 to 120 ℃ and the time of the silylation treatment is 90 to 130min.
As a preferable scheme of the invention, the quenching and tempering temperature in the S3 is 800-850 ℃, and the time is 2-10 min.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the thin-wall titanium silver metal material is prepared by using chromium metal and iron metal as main bodies and doping a small amount of elemental materials such as copper, molybdenum, cobalt, nickel, silicon, vanadium, titanium, silver, boron and the like, the extensibility and the heat transfer performance of the thin-wall titanium silver metal material are close to those of the existing copper material, and the thin-wall titanium silver metal material uses chromium metal and iron metal as main bodies, so that the thin-wall titanium silver metal hose is low in manufacturing cost and can be widely used, and the manufactured thin-wall titanium silver metal hose can replace the existing copper pipe and can meet the requirements of heat dissipation high-efficiency pipes used by various air conditioners and refrigeration equipment.
2. According to the invention, the ultrathin alloy plate strip is subjected to silanization treatment, and a layer of film with higher corrosion resistance exists on the surface of the ultrathin alloy plate strip subjected to silanization treatment, so that the corrosion resistance of the thin-wall titanium-silver metal pipe is improved, and the service life of the thin-wall titanium-silver metal pipe is prolonged.
3. In the invention, the intermediate annealing treatment is added in the hot rolling treatment process, and the annealing treatment can release the internal stress generated in the hot rolling treatment of the alloy plate, so that the ductility and toughness of the thin-wall titanium silver metal material pipe are improved, and the next processing is convenient.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The invention provides a technical scheme that:
the thin-wall titanium-silver metal material comprises, by mass, 22-35% of chromium, 0.03-0.04% of titanium, 0.04-0.05% of silver, 2-3% of copper, 3-3.4% of molybdenum, 0.07-0.1% of cobalt, 3-4% of nickel, 1.5-2% of silicon, 0.8-1.3% of vanadium, 0.03-0.05% of boron and the balance of iron.
Further, the thin-wall titanium silver metal material and the manufacturing method thereof comprise the following steps:
s1, feeding chromium metal powder, titanium metal powder, silver metal powder, copper metal powder, molybdenum metal powder, cobalt metal powder, nickel metal powder, silicon metal powder, vanadium metal powder, boron powder and iron powder into a mixer to be stirred and mixed to obtain mixed powder, feeding the mixed powder into a vacuum dryer to be subjected to vacuum drying treatment, and after the treatment is finished, feeding the mixed powder into a medium-frequency induction furnace to be smelted, wherein the smelting temperature is 1300-1450 ℃, and the smelting time is 120-150 min to obtain a smelted alloy;
s2, annealing the smelted alloy at the annealing temperature of 200-280 ℃, keeping the temperature for 12-48 h, naturally cooling to room temperature to obtain an alloy ingot, sending the alloy ingot into a metal hot extrusion machine for hot extrusion treatment to obtain an alloy plate, heating the alloy plate to 250-270 ℃ at the speed of 2-2.5 ℃/min, and sending the alloy plate into a rolling machine for hot rolling treatment to obtain an alloy sheet;
s3, feeding the alloy sheet into a precision cold rolling mill for treatment to obtain an ultrathin alloy plate strip, feeding the ultrathin alloy plate strip into a bright heating furnace for quenching and tempering, cleaning the ultrathin alloy plate strip with sulfuric acid solution, washing with deionized water, cleaning with absolute ethyl alcohol and acetone, drying, soaking the ultrathin alloy plate strip in a silanization treatment agent for 10-15 min, taking out, and feeding the ultrathin alloy plate strip into a muffle furnace for silanization treatment;
and S4, feeding the ultrathin alloy plate strip subjected to silanization treatment into a forming die, winding the ultrathin alloy plate strip into a tube blank step by step through a plurality of forming dies, continuously welding the joint of two edges of the tube blank into an infinitely-extended tube along the length direction of the tube blank, and performing heat treatment on the welded tube to eliminate the influence of tube welding to obtain the thin-wall titanium-silver metal tube.
Further, the processing steps of stirring and mixing in S1 are: stirring the mixture for 2min to 3min at the rotating speed of 800rpm to 850rpm, stirring the mixture for 5min to 7min at the rotating speed of 1200rpm to 1230rpm, repeating the operation for 20 to 25 times, keeping the pressure of vacuum drying treatment between 0.17MPa and 0.185MPa, keeping the temperature for 2h, and then sequentially increasing the temperature by 4 ℃ per hour until the temperature reaches 110 ℃.
Further, the temperature of the hot extrusion treatment in the S2 is 250-280 ℃, the extrusion force is 30 MP-35 MPa, the extrusion speed is 1.5 m/min-2.5 m/min, the reduction of each pass of the hot rolling treatment is controlled to be 5-8%, the reciprocating rolling of 15-18 passes is carried out, the intermediate annealing is carried out once in each pass, the intermediate annealing temperature is 200-250 ℃, and the annealing time is 100-130 min.
Furthermore, the mass concentration of the sulfuric acid solution in S3 is 1.532-1.688 mol/L, and the silanization treating agent is prepared by mixing a silane coupling agent KH550, deionized water and ethanol according to the volume ratio of 1: 7: 8.
Further, the thickness of the ultrathin alloy plate strip in the S3 is 0.1-0.22 mm.
Furthermore, the diameter of the tube blank in the S4 is 3.10 mm-4.15 mm, the diameter deviation of the tube blank is +/-0.005 mm, the thickness of the welding line is 0.13 mm-0.25 mm, and the width of the welding line is 0.8 mm-1 mm.
Further, the temperature of the heat treatment in S4 is 300-380 ℃, the time of the heat treatment is 65-85 min, and the pressure of the heat treatment is 0.19-0.195 MPa.
Further, the temperature of the silanization treatment in the S3 is 100-120 ℃, and the time of the silanization treatment is 90-130 min.
Further, in the step S3, the tempering temperature is 800-850 ℃, and the time is 2-10 min.
Detailed description of the preferred embodiments
Feeding chromium metal powder, titanium metal powder, silver metal powder, copper metal powder, molybdenum metal powder, cobalt metal powder, nickel metal powder, silicon metal powder, vanadium metal powder, boron powder and iron powder into a mixer for stirring and mixing, stirring the mixer at the rotating speed of 850rpm for 3min, stirring at the rotating speed of 1230rpm for 7min, repeating the operation for 25 times to obtain mixed powder, feeding the mixed powder into a vacuum drier for vacuum drying treatment at the pressure of 0.185MPa and the temperature of 90 ℃, keeping the temperature for 2h, sequentially increasing the temperature by 4 ℃ per hour until the temperature reaches 110 ℃, feeding the mixed powder into a medium-frequency induction furnace for smelting at the smelting temperature of 1450 ℃ for 150min to obtain a smelting alloy;
annealing the smelted alloy, keeping the annealing temperature at 280 ℃, preserving the heat for 48h, naturally cooling to room temperature to obtain an alloy ingot, sending the alloy ingot into a metal hot extrusion machine for hot extrusion treatment, wherein the hot extrusion treatment temperature is 280 ℃, the extrusion force is 35MPa, and the extrusion speed is 2.5m/min to obtain an alloy plate, heating the alloy plate to 270 ℃ at the speed of 2.5 ℃/min, then sending the alloy plate into a rolling mill for hot rolling treatment, wherein the reduction of each pass of the hot rolling treatment is controlled at 8%, performing 18-pass reciprocating rolling, performing intermediate annealing once per pass, and obtaining an alloy sheet, wherein the intermediate annealing temperature is 250 ℃, and the annealing time is 130min;
sending the alloy thin plate into a precision cold rolling mill for processing to obtain an ultrathin alloy plate strip, wherein the thickness of the ultrathin alloy plate strip is 0.22mm, sending the ultrathin alloy plate strip into a bright heating furnace for quenching and tempering, wherein the quenching and tempering temperature is 850 ℃, the time is 10min, the ultrathin alloy plate strip is cleaned by a sulfuric acid solution with the mass concentration of 1.688mol/L, washed by deionized water, cleaned by absolute ethyl alcohol and acetone and dried, the ultrathin alloy plate strip is immersed in a silanization treatment agent, immersed for 15min, taken out and sent into a muffle furnace for silanization treatment, the silanization treatment temperature is 120 ℃, and the silanization treatment time is 130min;
feeding the ultrathin alloy plate strip subjected to silanization treatment into a forming die, gradually coiling the ultrathin alloy plate strip into a tube blank through a plurality of forming dies, continuously welding seams at two edges of the tube blank into an infinitely-elongated tube along the length direction of the tube blank, wherein the diameter of the tube blank is 4.15mm, the diameter deviation of the tube blank is +/-0.005 mm, the thickness of the seam is 0.25mm, the width of the seam is 1mm, then carrying out heat treatment on the welded and formed tube to eliminate the influence of tube welding, the temperature of the heat treatment is 380 ℃, the time of the heat treatment is 85min, and the pressure of the heat treatment is 0.195MPa, thus obtaining the thin-wall titanium-silver metal tube.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A thin-wall titanium silver metal material is characterized in that: by mass percentage, the alloy contains 22 to 35 percent of chromium element, 0.03 to 0.04 percent of titanium element, 0.04 to 0.05 percent of silver element, 2 to 3 percent of copper element, 3 to 3.4 percent of molybdenum element, 0.07 to 0.1 percent of cobalt element, 3 to 4 percent of nickel element, 1.5 to 2 percent of silicon element, 0.8 to 1.3 percent of vanadium element, 0.03 to 0.05 percent of boron element and the balance of iron element.
2. A method for manufacturing a thin-wall titanium silver metal material is characterized by comprising the following steps: the method comprises the following steps:
s1, feeding chromium metal powder, titanium metal powder, silver metal powder, copper metal powder, molybdenum metal powder, cobalt metal powder, nickel metal powder, silicon metal powder, vanadium metal powder, boron powder and iron powder into a mixer for stirring and mixing to obtain mixed powder, feeding the mixed powder into a vacuum drier for vacuum drying treatment, and after the treatment is finished, feeding the mixed powder into a medium-frequency induction furnace for smelting at the smelting temperature of 1300-1450 ℃ for 120-150 min to obtain a smelting alloy;
s2, annealing the smelted alloy at the annealing temperature of 200-280 ℃, keeping the temperature for 12-48 h, naturally cooling to room temperature to obtain an alloy ingot, sending the alloy ingot into a metal hot extrusion machine for hot extrusion treatment to obtain an alloy plate, heating the alloy plate to 250-270 ℃ at the speed of 2-2.5 ℃/min, and sending the alloy plate into a rolling machine for hot rolling treatment to obtain an alloy sheet;
s3, feeding the alloy sheet into a precision cold rolling mill for treatment to obtain an ultrathin alloy plate strip, feeding the ultrathin alloy plate strip into a bright heating furnace for quenching and tempering, cleaning the ultrathin alloy plate strip with sulfuric acid solution, washing with deionized water, cleaning with absolute ethyl alcohol and acetone, blow-drying, soaking the ultrathin alloy plate strip in a silanization treatment agent for 10-15 min, taking out, and feeding the ultrathin alloy plate strip into a muffle furnace for silanization treatment;
and S4, feeding the ultrathin alloy plate strip subjected to silanization treatment into a forming die, gradually coiling the ultrathin alloy plate strip into a tube blank through a plurality of forming dies, continuously welding the butt joints of two edges of the tube blank into an infinitely-extended tube along the length direction of the tube blank, and carrying out heat treatment on the welded and formed tube to eliminate the influence of tube welding to obtain the thin-wall titanium-silver metal tube.
3. The method for manufacturing a thin-walled titanium-silver metallic material as recited in claim 2, wherein: the processing steps of stirring and mixing in the step S1 are as follows: stirring the mixture for 2min to 3min at the rotating speed of 800rpm to 850rpm, stirring the mixture for 5min to 7min at the rotating speed of 1200rpm to 1230rpm, repeating the operation for 20 to 25 times, keeping the pressure of vacuum drying treatment between 0.17MPa and 0.185MPa, keeping the temperature for 2h, and then sequentially increasing the temperature by 4 ℃ per hour until the temperature reaches 110 ℃.
4. The method for manufacturing a thin-walled titanium-silver metallic material as recited in claim 2, wherein: the temperature of the hot extrusion treatment in the S2 is 250-280 ℃, the extrusion force is 30 MP-35 MPa, the extrusion speed is 1.5 m/min-2.5 m/min, the reduction of each pass of the hot rolling treatment is controlled at 5% -8%, the reciprocating rolling of 15-18 passes is carried out, the intermediate annealing is carried out once per pass of the rolling, the intermediate annealing temperature is 200-250 ℃, and the annealing time is 100 min-130 min.
5. The method for manufacturing a thin-walled titanium-silver metallic material as recited in claim 2, wherein: the mass concentration of the sulfuric acid solution in S3 is 1.532-1.688 mol/L, and the silanization treating agent is prepared by mixing a silane coupling agent KH550, deionized water and ethanol according to the volume ratio of 1: 7: 8.
6. The method for manufacturing a thin-walled titanium-silver metallic material as recited in claim 2, wherein: the thickness of the ultrathin alloy plate strip in the S3 is 0.1-0.22 mm.
7. The method for manufacturing a thin-walled titanium-silver metallic material as recited in claim 2, wherein: the diameter of the pipe blank in the S4 is 3.10 mm-4.15 mm, the diameter deviation of the pipe blank is +/-0.005 mm, the thickness of a welding line is 0.13 mm-0.25 mm, and the width of the welding line is 0.8 mm-1 mm.
8. The method for manufacturing the thin-walled titanium-silver metallic material according to claim 2, wherein: the temperature of the heat treatment in the S4 is 300-380 ℃, the time of the heat treatment is 65-85 min, and the pressure of the heat treatment is 0.19-0.195 MPa.
9. The method for manufacturing a thin-walled titanium-silver metallic material as recited in claim 2, wherein: the temperature of the silanization treatment in the S3 is 100-120 ℃, and the time of the silanization treatment is 90-130 min.
10. The method for manufacturing the thin-walled titanium-silver metallic material according to claim 2, wherein: and in the step S3, the tempering temperature is 800-850 ℃, and the time is 2-10 min.
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