CN101555557A - Copper alloy, preparation method thereof and copper pipe - Google Patents
Copper alloy, preparation method thereof and copper pipe Download PDFInfo
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- CN101555557A CN101555557A CNA2009101357852A CN200910135785A CN101555557A CN 101555557 A CN101555557 A CN 101555557A CN A2009101357852 A CNA2009101357852 A CN A2009101357852A CN 200910135785 A CN200910135785 A CN 200910135785A CN 101555557 A CN101555557 A CN 101555557A
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- copper
- copper alloy
- trace element
- phosphorized
- alloy
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- 239000010949 copper Substances 0.000 title claims abstract description 87
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 80
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000011701 zinc Substances 0.000 claims abstract description 39
- 229910052718 tin Inorganic materials 0.000 claims abstract description 36
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 26
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000011573 trace mineral Substances 0.000 claims description 31
- 235000013619 trace mineral Nutrition 0.000 claims description 31
- 239000000956 alloy Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 abstract description 11
- 239000006104 solid solution Substances 0.000 abstract 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000004378 air conditioning Methods 0.000 description 15
- 238000005057 refrigeration Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 9
- 239000012535 impurity Substances 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 229910052797 bismuth Inorganic materials 0.000 description 6
- 238000005266 casting Methods 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 229910052745 lead Inorganic materials 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- VUFGUVLLDPOSBC-XRZFDKQNSA-M cephalothin sodium Chemical compound [Na+].N([C@H]1[C@@H]2N(C1=O)C(=C(CS2)COC(=O)C)C([O-])=O)C(=O)CC1=CC=CS1 VUFGUVLLDPOSBC-XRZFDKQNSA-M 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000005275 alloying Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/11—Making amorphous alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
Abstract
The invention relates to a copper alloy, a preparation method thereof and a copper pipe, wherein the copper alloy contains an alpha solid solution formed by micro elements and a phosphorized copper. The micro elements comprise at least tin, which occupies 0.1 percent to 2.0 percent of the total weight of the copper alloy. The micro elements also comprise zinc with the percentage of 0.05 percent to 1.0 percent. The copper alloy can reinforce the tensile strength of the copper alloy with the solid-solution strengthening action due to the alpha solid solution formed by micro elements and the phosphorized copper, thus significantly improving the compression resistance of the copper pipe made from the copper alloy.
Description
Technical field
The present invention relates to nonferrous materials, relate in particular to preparation method, the copper pipe of an Albatra metal-, copper alloy.
Background technology
Air-conditioning refrigerating copper pipe (being called for short the air-conditioning pipe) is the tubing that is specifically designed to such as refrigeration system heat exchangers such as conditioners, and this tubing comprises smooth pipe and the tubing that has different surfaces externally and internally shapes, as rifled tube, finned tube etc.
The material of existing air-conditioning refrigerating copper pipe is a phosphorized copper, and tensile strength is at 205N～255MP under its soft attitude normal temperature, and it comprises two trade mark: TP
1, TP
2, the composition of each component is respectively by weight percentage: TP
1Cupric Cu 〉=99.9%, phosphorous P 0.004～0.012%; TP
2Contain Cu 〉=99.9%, phosphorous is 0.015～0.040%.In these two kinds of phosphorized coppers, the Sn constituent content is all below 0.005%, and the Zn constituent content is below 0.001%.
Though the phosphorized copper of these two trades mark has good toughness, welding property, certain intensity, density and solidity to corrosion; But, in view of following three reasons:
One: at present, the air conditioner refrigerating industry develops with the little grammes per square metre of tubing forward, thin-walled property economical with materials direction; Tube wall is thin more, and its carrying capacity is more little, will cause adopting the work-ing life of equipment of this tubing and the reduction of reliability thus.
Its two: environment protection type high pressure refrigeration agent Application and Development has proposed requirements at the higher level to system with the voltage endurance capability of heat transfer tubing; For example, at the family expenses air conditioner industry, the refrigeration agent that generally uses is HCFC-R22 at present, it has used decades as refrigeration agent, ozonosphere is had certain destruction, and by contrast, the R407c of new cooling media, the R410a of environment-friendly type then is zero to the destructive rate of ozonosphere, and refrigeration, heating efficiency height, thought the optimal refrigerant of present domestic air conditioning by international refrigeration circle.And this new cooling media also is easy to realize the miniaturization of air-conditioning system, also saved material and manufacturing expense to a certain extent.But for the R407c of new cooling media, the R410a of environment-friendly type, the high pressure of refrigeration system is 3.0MP, and low pressure is: 1.2MP, and under similar circumstances, this pressure are 1.5 times of traditional " old refrigerant " R22.
Its three: in recent years, because human more and more stronger for the concern of topsoil, more and more higher to the environmental pollution index request of refrigeration agent, this makes, the use of refrigeration agent commonly used is subjected to very big must the restriction in the air-conditioning, and it is more and more higher to adopt nuisanceless refrigeration agent to get cry.Therefore seek a kind of pollution-freely to atmosphere, and thermodynamic property meets the demands to such an extent that the task of refrigeration agent working medium just seems quite urgent again.In the various refrigeration agent working medium of being investigated, CO
2Because its advantageous condition just becomes the first-selection that the automobile air-conditioning refrigeration agent substitutes working medium.But, CO
2Big shortcoming as air-conditioning refrigerant is that system must could work under very big pressure---higher 5 times than legacy system, and under high pressure operation has obviously proposed challenge to the carrying capacity of air-conditioning pipe.
In sum, along with the appearance of thin-walled, new cooling media and natural medium is had higher requirement to the carrying capacity of air-conditioning pipe, but because the air-conditioning pipe of the existing phosphorized copper preparation of preparation, itself carrying capacity is low excessively, is the user demand that the tubing of material preparation can not well satisfy air-conditioning industry thereby cause with it.
Summary of the invention
Technical problem to be solved by this invention is: a kind of Cu alloy material of high voltage endurance capability is provided, based on the copper pipe that this Cu alloy material is made, can overcomes the low excessively defective of phosphorous deoxidize copper tube carrying capacity.
In order to address the above problem, the invention discloses an Albatra metal-, in the described copper alloy, contain the αGu Rongti that trace element becomes with phosphorized copper, described trace element comprises tin at least.
Preferably, to account for the per-cent of described copper alloy gross weight be 0.1～2.0% to described tin.
Preferably, described trace element also comprises zinc, and the per-cent that described zinc accounts for described copper alloy gross weight is 0.05～1.0%.
On the other hand, the invention discloses the preparation method of an Albatra metal-, comprise following steps:
Preheat the trace element that comprises tin at least, to remove the moisture in the described trace element; Described trace element is added in the phosphorized copper solution of fusing; Behind described micro-uniform distribution, cast, cool off, contain the copper alloy of αGu Rongti with formation.
Preferably, in the described phosphorized copper solution that trace element is added into fusing further be: with total weight percent is that 0.1～2.0% tin is added in the phosphorized copper solution of fusing.
Preferably, described trace element also comprises zinc, further comprises in the described phosphorized copper solution that trace element is added into fusing: with total weight percent is that 0.05～1.0% zinc is added in the phosphorized copper solution of fusing.
On the other hand, the invention discloses a kind of copper pipe, described copper alloy includes the αGu Rongti of trace element and phosphorized copper formation, and described trace element comprises tin at least.
Preferably, to account for the per-cent of described copper alloy gross weight be 0.1～2.0% to described tin.
Preferably, described trace element also comprises zinc, and the per-cent that described zinc accounts for described copper alloy gross weight is 0.05～1.0%.
Compared with prior art, in copper alloy provided by the invention, owing to include the αGu Rongti of micro-tin and phosphorized copper formation, by the solution strengthening effect, strengthen the tensile strength of copper alloy, thereby, the carrying capacity of the copper pipe that adopts this alloy is improved a lot.
Description of drawings
Fig. 1 is the flow chart of steps of the process for producing copper alloy embodiment according to the present invention;
Fig. 2 is the detailed step schema of the process for producing copper alloy embodiment according to the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with embodiment.The present invention utilizes the microalloying principle, is matrix with the phosphorized copper, by adding an amount of trace element, make it in matrix, to form αGu Rongti,, strengthen the tensile strength of copper alloy by the solution strengthening effect, thereby, the carrying capacity of the copper pipe that adopts this alloy is improved a lot.
In phosphorized copper, add tin (Sn) element, by solution strengthening, effectively improve the mechanical property of alloy, if but the total weight percent of Sn is lower than 0.1%, the effect of solution strengthening does not compared with prior art have advantage, if but surpass 2.0%, though the Tensile strength of preparation has obtained enhancing, but, the attribute of this material has brought very big difficulty but for the processing of air-conditioning tubing, that is is not suitable for adopting such proportioning to prepare tubing, therefore, take all factors into consideration and compare, the present invention determines that the weight percent content of Sn element is 0.1～2.0%.
In phosphorized copper, add zinc (Zn) element, can further carry out solution strengthening, improve the mechanical property of alloy, and, add the Zn element, also have the effect of crystal grain thinning, like this, the mechanical property of material is improved.If the content of Sn is 0.1%, the content of the Zn that adds should be 1.0%, if the content of Sn is 2.0%, the content of the Zn that adds should be 0.05%, that is to say, when the degree of the tin that is added is controlled in 0.1～2.0% the scope, should add the zinc that content is 0.05～1.0% scope, with respect to only adding tin element, the effect that alloy improves performance can both played.
Below, will specifically describe the different embodiment of copper alloy of the present invention.
Embodiment one:
One Albatra metal-, comprising is the phosphorized copper alloy of 0.01～2.0% Sn element by weight percentage, element S n forms αGu Rongti in described phosphorized copper matrix.
By being base solvent with the phosphorized copper, according to the foundry furnace capacity, add 0.1～2.0% solute metal Sn, solute element is solid-solubilized in the matrix, make copper alloying, because resistance to deformation increases between crystal, finally produce the effect of solution strengthening.
In order further to improve the mechanical property of copper alloy, can also further control the content of other elements by the phosphorized copper starting material: the S below 0.004%, O below 0.004%, 0.01 the P between～0.05%, all the other are Cu and impurity, further, can control elements such as Fe in the impurity, Ni, Cr, Ag, Pb, Al and Bi, its weight percent summation is no more than 0.06%.
, need to prove that Zn or Sn element form αGu Rongti with copper here in copper alloy, do not had the Zn of simple substance form or Sn, but can be by the method that detects, record wherein zinc or the content of tin.
After tested, the air-conditioning tubing tensile strength that copper alloy provided by the present invention is made is all greater than 260MPa, and unit elongation is more than 40%, and average grain size is between 0.015～0.035mm, and the tensile strength of the tubing that phosphorized copper is made is at 230～240MPa.Through experimental verification in batches, use the tubing of the made same size of copper alloy provided by the present invention, its withstand voltage is apparently higher than the withstand voltage of phosphorized copper.And, the tubing that uses copper alloy provided by the present invention to make, the tubing with respect to phosphorous deoxidize copper tube is made is satisfying under the prerequisite of normal operating pressure, and tube wall can attenuate more than 15%, and the material-saving effect is fairly obvious.
Provide below: be 0.1～2.0% Sn according to weight percent, S below 0.004%, O below 0.004%, 0.01 the P between～0.05%, all the other are Cu and impurity, wherein, and elements such as Fe, Ni, Cr, Ag, Pb, Al and Bi, its weight percent summation is no more than 0.06% prescription, the copper alloy tube of preparation.(about 20 ℃) soft attitude (annealed back) sample of detecting at room temperature, its tensile strength is as shown in the table:
| Stanniferous amount (total weight percent) | Tensile strength MPa |
| 0.1％ | 260 |
| 0.45％ | 270 |
| 2.0％ | 290 |
As can be seen from the above table, (about 20 ℃) soft attitude (annealed back) copper-alloy pipe-material sample of detecting at room temperature, its tensile strength is all greater than 260MPa.And under the same terms, the tensile strength of phosphorized copper tubing has only 205～255MPa.The raising of copper-alloy pipe-material tensile strength, its corresponding carrying capacity also improve thereupon.
What following table provided is: the stanniferous amount is controlled at 0.1～2.0% Sn, diameter 7mm, the copper alloy tube, phosphorous deoxidize copper tube that wall thickness is 0.24mm be the multiple parameter values of (about 20 ℃) soft attitude (annealed back) sample of detecting at room temperature, pass through following table, can clearly find out, prepare copper pipe with copper alloy of the present invention, its mechanical property is than the advantage of phosphorous deoxidize copper tube.
Here, need explain the index of burstpressures/tensile strength emphatically, it is interpreted as under identical tensile strength condition, the destructive force that tubing can bear, and the big more explanation voltage endurance capability of numerical value is strong more.
As can be seen from the above table:
1, for index tensile strength, the tensile strength that copper alloy tube provided by the present invention can bear is apparently higher than the phosphorous deoxidize copper tube of same specification.
2, for the index burstpressures, the burstpressures that copper alloy tube provided by the present invention can bear is apparently higher than the phosphorous deoxidize copper tube of same specification.
3, for index burstpressures/tensile strength, under identical tensile strength condition, the destructive force that copper alloy tube provided by the present invention can bear is apparently higher than the phosphorous deoxidize copper tube of same specification.Therefore, for the copper alloy tube and the phosphorous deoxidize copper tube of same specification, the former carrying capacity is higher than the latter.
Embodiment two:
One Albatra metal-, to comprise be 0.1～2.0% Sn element by weight percentage, be 0.05～1.0%Zn element by weight percentage, element S n forms αGu Rongti in described phosphorized copper matrix, element Zn forms αGu Rongti in described phosphorized copper matrix.
In order further to improve the mechanical property of copper alloy, can also further control the content of other elements: the S below 0.004, O below 0.004%, 0.01 the P between～0.05%, all the other are Cu and impurity, further, can control elements such as Fe in the impurity, Ni, Cr, Ag, Pb, Al and Bi, its weight percent summation is no more than 0.06%.
According to weight percent 0.01～2.0% Sn, 0.05～1.0%Zn, the S below 0.004%, the O below 0.004%, 0.01 the P between～0.05%, all the other are Cu and impurity, wherein, and elements such as Fe, Ni, Cr, Ag, Pb, Al and Bi, its weight percent summation is no more than 0.06% prescription, make the 7mm copper pipe, (about 20 ℃) soft attitude copper pipe (annealed back) sample of detecting at room temperature, its tensile strength is as shown in the table:
| Stanniferous amount (total weight percent) | Zinc content (total weight percent) | Tensile strength MPa |
| 0.1％ | 1.0％ | 265 |
| 0.45％ | 0.4％ | 275 |
| 2.0％ | 0.05％ | 295 |
As can be seen from the above table, (about 20 ℃) soft attitude copper pipe (annealed back) sample of detecting at room temperature, its tensile strength is all greater than 265MPa, and under the same terms, the tensile strength of the copper pipe of phosphorized copper preparation has only 205～255MPa.The raising of the copper pipe tensile strength of copper alloy preparation, its corresponding carrying capacity also improves thereupon.Process for producing copper alloy embodiment:
With reference to Fig. 1, the invention allows for the preparation method of an Albatra metal-, comprise the steps:
Step 101: preheat the trace element that comprises tin at least, to remove the moisture in the described trace element;
Step 102: described trace element is added in the phosphorized copper solution of fusing;
Step 103: behind described micro-uniform distribution, cast, cool off, contain the copper alloy of αGu Rongti with formation.
When specific implementation, the total weight percent of tin in copper alloy can be controlled at 0.1～2.0%, if the total weight percent of Sn is lower than 0.1%, the effect of solution strengthening does not compared with prior art have advantage, if but surpass 2.0%, if but surpass 2.0%, though the Tensile strength of preparation has obtained enhancing, but, the attribute of this material has brought very big difficulty but for the processing of air-conditioning tubing, that is is not suitable for adopting such proportioning to prepare tubing, therefore, take all factors into consideration and compare, the present invention determines that the weight percent content of Sn element is 0.1～2.0%.
Further, in the copper liquid of fusing, add the Zn element, can further carry out solution strengthening, improve the mechanical property of alloy, and, add the Zn element, also have the effect of crystal grain thinning, like this, the mechanical property of material is improved.Through test, the present invention determines that the weight percent content of Zn element is 0.05～1.0%.If the content of Sn is 0.1%, the content of the Zn of adding should be 1.0%; If the content of Sn is 2.0%, the content of the Zn of adding should be 0.05%; That is to say, when the degree of the tin that is added is controlled in 0.1～2.0% the scope, should add the zinc that content is 0.05～1.0% scope,, can both play the effect that alloy improves performance with respect to only adding tin element.
In order further to improve the mechanical property of copper alloy, can also further control the content of other elements: the S below 0.004%, O below 0.004%, 0.01 the P between～0.05%, all the other are Cu and impurity, further, can control elements such as Fe in the impurity, Ni, Cr, Ag, Pb, Al and Bi, its weight percent summation is no more than 0.06%.
Below in conjunction with an example, specify the preparation method of this copper alloy provided by the present invention, the weight percent content of the various compositions of this copper alloy to be prepared is:
0.45% Sn, the S below 0.004%, the O below 0.004%, the P between 0.01～0.05%, and, elements such as Fe, Ni, Cr, Ag, Pb, Al and Bi, its weight percent summation is no more than 0.06%.
Choosing the raw material that meets foreign matter content---behind the phosphorized copper, specifically can implement like this,, comprise the steps: with reference to Fig. 2
Step 201: micro-tin is preheated, to remove moisture;
Step 202: definite micro-tin that need in foundry furnace, add or the weight of (tin, zinc) element; And the weight of phosphorized copper;
For example, if the capacity of foundry furnace is V, then determine the gross weight M of copper alloy to be prepared according to this capacity V, if only add metallic tin in the alloy to be prepared, and stanniferous 0.45%, then definite tin that in foundry furnace, adds M * 0.45%, and the weight of the phosphorized copper of M-M * 0.45%.
Step 203: send in the foundry furnace that is contained with required weight liquid phosphorus deoxidized copper the metallic tin of required weight is disposable;
Why with metallic tin is disposable send into the stove foundry furnace at the bottom of, major cause is that micro-Sn or Zn density to be added is lower; The fusing point of Sn or Zn is low, very easily fusing, and fusing time is fixed by shape and the size of Sn (can also comprise Zn among other the embodiment);
Step 204: stir, make the micro-Sn homogenizing in the copper liquid;
Step 205: be cast as hollow strand or solid ingot casting with horizontal casting or other method
Step 206: hollow strand or solid ingot casting are cooled off but to normal temperature.
By in the castingprocesses of copper, be base solvent with the phosphorized copper, add an amount of solute metal Sn, solute element is solid-solubilized in the matrix, make copper alloying, because resistance to deformation increases between crystal, finally produce the effect of solution strengthening.After tested, through casting, rolling, stretching and anneal copper alloy tube to the copper alloy preparation of soft attitude finished product, tensile strength is more than or equal to 260MPa, unit elongation is more than 40%, average grain size 0.015～0.035mm it, and the burstpressures of tubing is obviously greater than phosphorous deoxidize copper tube under the equal conditions.
According to embodiments of the invention, the invention also discloses a kind of copper pipe, described copper alloy includes the αGu Rongti of trace element and phosphorized copper formation, and described trace element comprises tin at least.Preferably, described tin accounts for 0.1～2.0% of described copper alloy total weight percent.Preferably, described trace element also comprises zinc: described zinc accounts for 0.05～1.0% of described copper alloy total weight percent.The explanation that its principle, method and concrete testing data have been done does not in the above-described embodiments repeat them here.
To sum up, in the present invention:
By in the castingprocesses of phosphorized copper, with the phosphorized copper is base solvent, according to the foundry furnace capacity, add an amount of solute metal Sn or metal Sn and metallic zinc Zn, solute element is solid-solubilized in the matrix, makes the little golden combination of copper, because resistance to deformation increases between crystal, by solution strengthening, make and adopt the carrying capacity of copper alloy tube provided by the present invention to improve a lot.
More than an Albatra metal-provided by the present invention, the preparation method of copper alloy, copper pipe are described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1, an Albatra metal-is characterized in that, described copper alloy includes the αGu Rongti of trace element and phosphorized copper formation, and described trace element comprises tin at least.
2, copper alloy according to claim 1 is characterized in that, the per-cent that described tin accounts for described copper alloy gross weight is 0.1～2.0%.
3, copper alloy according to claim 2 is characterized in that, described trace element also comprises zinc, and the per-cent that described zinc accounts for described copper alloy gross weight is 0.05～1.0%.
4, the preparation method of an Albatra metal-is characterized in that, comprises following steps:
Preheat the trace element that comprises tin at least, to remove the moisture in the described trace element;
Described trace element is added in the phosphorized copper solution of fusing;
Behind described micro-uniform distribution, cast, cool off, contain the copper alloy of αGu Rongti with formation.
5, preparation method according to claim 4 is characterized in that, in the described phosphorized copper solution that trace element is added into fusing further is:
With accounting for alloy total weight percent to be prepared is that 0.1～2.0% tin is added in the phosphorized copper solution of fusing.
6, preparation method according to claim 5 is characterized in that, described trace element also comprises zinc, further comprises in the described phosphorized copper solution that trace element is added into fusing:
With accounting for alloy total weight percent to be prepared is that 0.05～1.0% zinc is added in the phosphorized copper solution of fusing.
7, a kind of copper pipe, the material of described copper pipe is a copper alloy, it is characterized in that, and described copper alloy includes the αGu Rongti of trace element and phosphorized copper formation, and described trace element comprises tin at least.
8, copper pipe according to claim 7 is characterized in that, the per-cent that described tin accounts for described copper alloy gross weight is 0.1～2.0%.
9, copper pipe according to claim 8 is characterized in that, described trace element also comprises zinc, and the per-cent that described zinc accounts for described copper alloy gross weight is 0.05～1.0%.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101357852A CN101555557B (en) | 2009-04-29 | 2009-04-29 | Copper alloy, preparation method thereof and copper pipe |
| US12/769,118 US20100276039A1 (en) | 2009-04-29 | 2010-04-28 | Copper alloy, method of producing the same, and copper tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101357852A CN101555557B (en) | 2009-04-29 | 2009-04-29 | Copper alloy, preparation method thereof and copper pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101555557A true CN101555557A (en) | 2009-10-14 |
| CN101555557B CN101555557B (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101357852A Active CN101555557B (en) | 2009-04-29 | 2009-04-29 | Copper alloy, preparation method thereof and copper pipe |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20100276039A1 (en) |
| CN (1) | CN101555557B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077934A (en) * | 2011-10-26 | 2013-05-01 | 株式会社东芝 | Joined structural body of members, joining method of members, and package |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0674466B2 (en) * | 1988-05-11 | 1994-09-21 | 三井金属鉱業株式会社 | Copper alloy for heat exchanger tanks, plates or tubes |
| JPH01316430A (en) * | 1988-06-15 | 1989-12-21 | Furukawa Electric Co Ltd:The | Corrosion-resistant copper alloy pipe for piping of refrigerant |
| JP3794971B2 (en) * | 2002-03-18 | 2006-07-12 | 株式会社コベルコ マテリアル銅管 | Copper alloy tube for heat exchanger |
| JP5078368B2 (en) * | 2007-01-17 | 2012-11-21 | 株式会社コベルコ マテリアル銅管 | Method for producing copper alloy tube for heat exchanger |
-
2009
- 2009-04-29 CN CN2009101357852A patent/CN101555557B/en active Active
-
2010
- 2010-04-28 US US12/769,118 patent/US20100276039A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077934A (en) * | 2011-10-26 | 2013-05-01 | 株式会社东芝 | Joined structural body of members, joining method of members, and package |
| US9357644B2 (en) | 2011-10-26 | 2016-05-31 | Kabushiki Kaisha Toshiba | Joined structural body of members, joining method of members, and package for containing an electronic component |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100276039A1 (en) | 2010-11-04 |
| CN101555557B (en) | 2011-04-13 |
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Denomination of invention: Copper alloy, preparation method thereof and copper pipe Effective date of registration: 20171215 Granted publication date: 20110413 Pledgee: China Minsheng Banking Corp Zhengzhou branch Pledgor: Wuxi Golden Dragon Kawamura Precision Tube Co., Ltd.|Chongqing Longyu Precision Copper Tube Co., Ltd.|Henan Longhui Copper Industry Co., Ltd.|Xinxiang Jinxiang Precision Pipe Fittings Co., Ltd.|Xinxiang Longteng Refrigeration Technology Co.,Ltd.|Jiangsu Canghuan Copper Industry Co.,Ltd.|Jinlong Precision Copper Pipe Group Co., Ltd.|Guangdong Longfeng Precise Copper Tube Co., Ltd. Registration number: 2017990001045 |
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Address after: 404000 588 Airport Road, Wanzhou District, Chongqing (Wanzhou Economic Development Zone) Patentee after: Jinlong Precision Copper Pipe Group Co., Ltd. Address before: 453000 No. 191 Renmin West Road, Henan, Xinxiang Patentee before: Jinlong Precision Copper Pipe Group Co., Ltd. |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190814 Granted publication date: 20110413 Pledgee: China Minsheng Banking Corp Zhengzhou branch Pledgor: Jinlong Precision Copper Pipe Group Co., Ltd. Registration number: 2017990001045 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Copper alloy, preparation method thereof and copper pipe Effective date of registration: 20190830 Granted publication date: 20110413 Pledgee: China Minsheng Banking Corp Zhengzhou branch Pledgor: Jinlong Precision Copper Pipe Group Co., Ltd. Registration number: Y2019990000127 |