CN106032559A - Corrosion-resistant high-nickel alloy and manufacturing method thereof - Google Patents
Corrosion-resistant high-nickel alloy and manufacturing method thereof Download PDFInfo
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- 238000005260 corrosion Methods 0.000 title claims abstract description 59
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 230000007797 corrosion Effects 0.000 title abstract description 16
- 229910000990 Ni alloy Inorganic materials 0.000 title abstract 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000012535 impurity Substances 0.000 claims abstract description 33
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000010936 titanium Substances 0.000 claims abstract description 31
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 21
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 239000010703 silicon Substances 0.000 claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 17
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 15
- 239000000956 alloy Substances 0.000 claims abstract description 13
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 11
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 9
- 239000010941 cobalt Substances 0.000 claims abstract description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 28
- 238000002844 melting Methods 0.000 claims description 18
- 230000008018 melting Effects 0.000 claims description 18
- 239000002893 slag Substances 0.000 claims description 13
- 238000005275 alloying Methods 0.000 claims description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 8
- 239000004615 ingredient Substances 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- 239000011593 sulfur Substances 0.000 claims description 8
- 229910052725 zinc Inorganic materials 0.000 claims description 8
- 239000011701 zinc Substances 0.000 claims description 8
- 238000003723 Smelting Methods 0.000 claims description 5
- 238000005261 decarburization Methods 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000007670 refining Methods 0.000 claims description 5
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 claims description 4
- 229910020442 SiO2—TiO2 Inorganic materials 0.000 claims description 3
- 238000010313 vacuum arc remelting Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 239000013078 crystal Substances 0.000 abstract description 9
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 238000005087 graphitization Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000007872 degassing Methods 0.000 description 5
- 210000001161 mammalian embryo Anatomy 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000004381 surface treatment Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- LDDQLRUQCUTJBB-UHFFFAOYSA-N ammonium fluoride Chemical compound [NH4+].[F-] LDDQLRUQCUTJBB-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910001325 element alloy Inorganic materials 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a corrosion-resistant high-nickel alloy and a manufacturing method thereof. The corrosion-resistant high-nickel alloy comprises 99.6-99.9 wt% of nickel, 0.03-0.12 wt% of titanium, 0.003-0.02 wt% of carbon and the balance of impurity elements with the total weight less than 0.3 wt%, wherein the impurity elements at least comprise manganese, iron, silicon, cobalt and copper, and the total weight of the corrosion-resistant high-nickel alloy is 100 wt%. According to the invention, a small amount of titanium element is added, so that secondary phases with aggregated impurities such as carbon, manganese, iron and silicon can be formed in the high-nickel alloy crystal grains, the carbon content on the crystal boundary and the overall impurity concentration in the alloy are reduced, and further intergranular graphitization is prevented and the corrosion resistance of the alloy is improved.
Description
Technical field
The present invention is about a kind of alloy, especially with regard to a kind of anti-corrosion Langaloy and manufacture method thereof.
Background technology
Nickel metal belongs to the material of high-melting-point (about 1453 DEG C), and it is stable face-centered cubic knot below melting temperature
Structure, and easily accommodate other alloying elements in solid solution mode so that it is not only having excellent ductility, it conducts electricity and leads
Hot the best, and room temperature tool magnetic, therefore industrial application is quite varied.Table 1 show the fundamental property of pure nickel.
The fundamental property of table 1. pure nickel
| Character | Pure nickel |
| Density (g/cm3) | 8.89 |
| Pyroconductivity (W/mk) | 70.2 |
| 20-95 DEG C of thermal coefficient of expansion (10-6/K) | 13.3 |
| 20 DEG C of resistivity (mOhm.cm) | 9.6 |
| Cold take out process (N/mm2) | 462 |
| Elongation % | >40 |
| Curie temperature (DEG C) | 360 |
Industrial Langaloy product is to be more than the nickel metal of more than 99.0wt% referred to as with nickel content, is the most also commonly referred to as
Industrial pure nickel, is generally used in the temperature environment less than 315 DEG C, as the caustic alkali environment such as food, staple fibre makes
With, with ensure the degree of purity of production product.
Be known as preventing Langaloy from producing gas hole defect, it will usually add when melting nickel metal such as carbon, ferrum, manganese,
The elements such as silicon, to help degasification.But, though adding these elements can reduce gas hole defect generation, can be to nickelic conjunction
The character of gold has adverse effect on.As the interpolation of carbon can make alloy material that Etype graphite easily occurs when high temperature, make
Become mechanical performance to decline, and anti-corrosion character also can decline to a great extent with the interpolation of the impurity elements such as ferrum, manganese, silicon.
Therefore, it is necessary to provide innovation and the anti-corrosion Langaloy of tool progressive and manufacture method thereof, to solve above-mentioned asking
Topic.
Summary of the invention
The present invention provides a kind of anti-corrosion Langaloy, and described anti-corrosion Langaloy calculates with its gross weight for 100wt%,
Carbon and remaining gross weight of the titanium of nickel, 0.03～0.12wt%, 0.003～0.02wt% including 99.6～99.9wt% are less than
The impurity element of 0.3wt%, described impurity element at least includes manganese, ferrum, silicon, cobalt and copper.
The present invention separately provides the manufacture method of a kind of anti-corrosion Langaloy, and it comprises the following steps:
A () provides alloying ingredient, described alloying ingredient calculates with its gross weight for 100wt%, including 99.5～99.9wt%
The carbon of the titanium of nickel, 0.05～0.3wt%, 0.005～0.1wt% and remaining impurity element, described impurity element is extremely
Include manganese, ferrum, silicon, cobalt and copper less；And
B the alloying ingredient described in () melting, to prepare anti-corrosion Langaloy, described anti-corrosion Langaloy is with its gross weight
Calculate for 100wt%, the carbon of the titanium of nickel, 0.03～0.12wt%, 0.003～0.02wt% including 99.6～99.9wt%
And the impurity element that remaining gross weight is less than 0.3wt%.
The present invention, by adding a small amount of titanium elements, can form the impurity such as carbon, manganese, ferrum and silicon in Langaloy intra-die
The secondary phase assembled, to reduce impurity concentration overall in carbon content and alloy on crystal boundary, and then prevents Etype graphite
And put forward heavy alloyed anti-corrosion character.
In order to better understand the technological means of the present invention, thus can be practiced according to the content of description, and
And in order to objects, features and advantages of the present invention can be become apparent, below especially exemplified by preferred embodiment, and join
Close accompanying drawing, describe in detail as follows.
Accompanying drawing explanation
Fig. 1 shows the manufacture method flow chart of the anti-corrosion Langaloy of the present invention；
Fig. 2 shows that the titaniferous Langaloy of embodiment 2 presents equi-axed crystal tissue under low range electron microscope observation
Photo；And
Fig. 3 shows the secondary that the titaniferous Langaloy of embodiment 2 is distributed in crystal grain under high magnification electron microscope observation
Phase photo (a) and EDX composition analysis result (b) thereof.
Detailed description of the invention
The present invention provides a kind of anti-corrosion Langaloy, calculates with its gross weight for 100wt%, and it includes 99.6～99.9wt%
The carbon of the titanium of nickel, 0.03～0.12wt%, 0.003～0.02wt% and remaining gross weight impurity element less than 0.3wt%,
Described impurity element at least includes manganese, ferrum, silicon, cobalt and copper.
In the present embodiment, for increasing the corrosion resistance of alloy, it is preferred that the content of titanium is more than the content of silicon.
Additionally, for preventing Langaloy from producing gas hole defect further, it is necessary to improve degasification during melting Langaloy
Efficiency.Therefore, in the present embodiment, described impurity element, can in addition to above-mentioned manganese, ferrum, silicon, cobalt and copper
Also include sulfur or zinc, and it is preferred that the content of sulfur or zinc all should be less than the content of titanium, during to improve melting Langaloy
Degassing efficiency.
Fig. 1 shows the manufacture method flow chart of the anti-corrosion Langaloy of the present invention.Step S11 refering to Fig. 1, it is provided that alloy
Dispensing, described alloying ingredient calculates with its gross weight for 100wt%, nickel, 0.05～0.3 including 99.5～99.9wt%
The carbon of the titanium of wt%, 0.005～0.1wt% and remaining impurity element, described impurity element at least include manganese, ferrum,
Silicon, cobalt and copper.In this step, for increasing the corrosion resistance of alloy, it is preferred that the content of titanium is more than the content of silicon.
Additionally, for improving degassing efficiency during follow-up melting Langaloy, to prevent Langaloy from producing pore further
Defect, described impurity element, in addition to above-mentioned manganese, ferrum, silicon, cobalt and copper, can also include sulfur or zinc, and preferably
Ground, the content of sulfur or zinc all should be less than the content of titanium, to improve degassing efficiency during melting Langaloy.
Refering to step S12, the alloying ingredient described in melting, to prepare anti-corrosion Langaloy, described anti-corrosion nickelic conjunction
Gold calculates with its gross weight for 100wt%, the titanium of nickel, 0.03～0.12wt%, 0.003～0.02 including 99.6～99.9wt%
The carbon of wt% and remaining gross weight impurity element less than 0.3wt%.
In this step, method of smelting is selected from following one of which: fuel heating furnace melting, antivacuum electric furnace
(Electric Arc Furnace, EAF) melting, vaccum sensitive stove (Vacuum Induction Melting, VIM) melting and
Vacuum arc furnace ignition (Vacuum Arc Melting, VAM) melting.
Additionally, can also include after step s 12 described anti-corrosion Langaloy is carried out refinement step, to promote conjunction
Gold composition and the uniformity of tissue.It is preferred that method of refining is selected from following one of which: argon oxygen decarburization
(Argon Oxygen Decarburization, AOD), vacuum-oxygen decarbonizing (Vacuum Oxygen Decarburization,
VOD), electroslag remelting (electroslag remelting, ESR) and vacuum arc remelting (Vacuum arc remelting,
VAR)。
In the present embodiment, described electroslag remelting method of refining can include add titaniferous slag charge carry out refine, with in response to
The situation of scaling loss is there is in titanium when electroslag remelting.It is preferred that the TiO that described titaniferous slag charge is containing 3-20%2(titanium dioxide
Titanium), and described titaniferous slag charge is optional comprises CaF2-CaO-MgO-Al2O3-SiO2-TiO2(calcium fluoride-oxidation
Calcium-magnesia-alumina-silica-titania) slag system.
Furthermore, for guaranteeing that the surface quality of described anti-corrosion Langaloy meets the requirement of following process application, described
Refinement step after can also include described anti-corrosion Langaloy is carried out surface treatment step.In the present embodiment,
Described surface treatment step can include surface finish programs such as cutting, grind and peel.
The present invention, by adding a small amount of titanium elements, can form the impurity such as carbon, manganese, ferrum and silicon in Langaloy intra-die
The secondary phase assembled, to reduce impurity concentration overall in carbon content and alloy on crystal boundary, and then prevents Etype graphite
And put forward heavy alloyed anti-corrosion character.
Now it is described in detail the present invention with following Examples, but is not intended to present invention is limited only by disclosed in these examples
Content.
Embodiment 1
According to the weighing and burden mode of table 2, nickelic by become in target component interval after the raw material melting of each element
Alloy stock, stock can obtain through argon oxygen decarburization after electro-smelting.Then surface treatment step is carried out, visually
Casting embryo surface situation carries out including cutting, and the surface finish such as grinds, peel, to guarantee to cast before processing the surface matter of embryo
Amount.
Table 2. batching weighing mode obtains the ingot casting composition of titaniferous Langaloy
Embodiment 2
According to the batching mode of table 3, stock can form, because of titanium through electroslag remelting (ESR) refine after electro-smelting
Easily there is scaling loss when electroslag remelting, therefore titaniferous slag charge can be added, and described titaniferous slag charge selects to comprise
CaF2-CaO-MgO-Al2O3-SiO2-TiO2Slag system, to guarantee the Ti content in alloy cast ingot.Generally after refine
The even tissue of alloy embryo, without thick field trash, working properties is good, therefore is suitable for forging or rolls molding modes such as prolonging.
Then carrying out surface treatment step, visual casting embryo surface situation carries out including cutting, and the surface finish such as grinds, peel,
To guarantee to cast before processing the surface quality of embryo.
Table 3. carries out electroslag remelting refine with titaniferous slag charge and obtains the ingot casting composition of titaniferous Langaloy
The comparative example 1 of the present invention selects Ni 200, and its composition is 99.5Ni-0.15Fe-0.1Mn-0.1Si-0.05C-0.03Co；
And comparative example 2 selects Ni 201, its composition is 99.75Ni-0.08Fe-0.07Mn-0.01Si-0.02C-0.05Co.
Table 4 is embodiment 1, embodiment 2, comparative example 1 and the comparative example 2 immersion corrosion result of the test in different solutions.
In table 4, corrosion rate is the lowest or immersion weightlessness is the fewest, and the anti-corrosion character representing alloy is the best.
The result display comparison example 1 of table 4 is little with the corrosion rate difference of comparative example 2, and display is when nickel content is higher than 99.5
During wt%, it is difficult to the difference clearly the judging small nickel content impact on Langaloy opposing corrosive power.But, real
Executing the Langaloy of example 1 and embodiment 2 after adding titanium elements, its corrosion rate the most substantially reduces, and it soaks mistake
Weight is also greatly decreased, it was demonstrated that titaniferous Langaloy has splendid corrosion resistance really.
Table 4. embodiment 1, embodiment 2, comparative example 1 and the comparative example 2 immersion corrosion result of the test in different solutions
Fig. 2 shows that the titaniferous Langaloy of embodiment 2 presents equi-axed crystal tissue under low range electron microscope observation
Photo.Fig. 3 shows two that the titaniferous Langaloy of embodiment 2 is distributed in crystal grain under high magnification electron microscope observation
Secondary phase photo (a) and EDX composition analysis result (b) thereof.Fig. 2 and Fig. 3 shows the distinctive oxycarbide of titaniferous Langaloy
Secondary phase, the higher binding ability that this type impurity (being situated between at thing) utilizes titanium to have the element such as carbon, oxygen, and by this
A little unfavorable corrosion proof elements (such as carbon, oxygen, manganese, ferrum, silicon etc.) concentrate in the secondary phase of intra-die, with effectively
Reduce base material and the impurity content in crystal boundary that is easily corroded thereof, and then reach to promote corrosion proof result.
Additionally, comparison sheet 2 and the titanium loss amount in table 3, it should also be appreciated that embodiment 2 uses titaniferous slag charge to carry out electroslag weight
Process of smelting, really can reduce the titanium scaling loss when refine, and can avoid impurity segregation because of the effect of electroslag remelting, make
More uniformly spreading of secondary phase, and then obtain good corrosion resistance result as shown in table 4.
The anti-corrosion Langaloy of the present invention can prolong in follow-up, take out the hot-working such as line or Cold-forming process, shape through forging, roll
Become the products such as plate, volume, rod, line, in order to all types of commercial Application.Additionally, the anti-corrosion Langaloy of the present invention is also
Can be applicable to the caustic alkali environment such as KOH, NaOH and containing NH4F、H2SO4、HCl、HF、NH4、HNO3
Or the acid of its mixture, alkali environment.
Above-described embodiment is only principle and effect thereof of the explanation present invention, and the unrestricted present invention, therefore art technology
Above-described embodiment is modified and changes the spirit not taking off the present invention by personnel.
Claims (16)
1. an anti-corrosion Langaloy, described anti-corrosion Langaloy calculates with its gross weight for 100wt%, including
The carbon of the titanium of nickel, 0.03～0.12wt%, 0.003～the 0.02wt% of 99.6～99.9wt% and remaining gross weight are less than 0.3
The impurity element of wt%, described impurity element at least includes manganese, ferrum, silicon, cobalt and copper.
Anti-corrosion Langaloy the most according to claim 1,
Wherein the content of titanium is more than the content of silicon.
Anti-corrosion Langaloy the most according to claim 1,
Wherein the content of copper is less than the content of titanium.
Anti-corrosion Langaloy the most according to claim 1,
Wherein said impurity element also includes sulfur, and the content of sulfur is less than the content of titanium.
Anti-corrosion Langaloy the most according to claim 1,
Wherein said impurity element also includes zinc, and the content of zinc is less than the content of titanium.
6. a manufacture method for anti-corrosion Langaloy, it comprises the following steps:
A () provides alloying ingredient, described alloying ingredient calculates with its gross weight for 100wt%, including 99.5～99.9wt%
The carbon of the titanium of nickel, 0.05～0.3wt%, 0.005～0.1wt% and remaining impurity element, described impurity element is extremely
Include manganese, ferrum, silicon, cobalt and copper less；And
(b) molten alloy dispensing, with prepare anti-corrosion Langaloy, described anti-corrosion Langaloy with its gross weight for 100
Wt% calculate, the carbon of the titanium of nickel, 0.03～0.12wt%, 0.003～0.02wt% including 99.6～99.9wt% and its
The remaining gross weight impurity element less than 0.3wt%.
The manufacture method of anti-corrosion Langaloy the most according to claim 6,
Wherein the content of the titanium of the alloying ingredient of step (a) is more than the content of silicon.
The manufacture method of anti-corrosion Langaloy the most according to claim 6,
Wherein the content of the copper of step (a) is less than the content of titanium.
The manufacture method of anti-corrosion Langaloy the most according to claim 6,
Wherein the impurity element of step (a) also includes sulfur, and the content of sulfur is less than the content of titanium.
The manufacture method of anti-corrosion Langaloy the most according to claim 6,
Wherein the impurity element of step (a) also includes zinc, and the content of zinc is less than the content of titanium.
The manufacture method of 11. anti-corrosion Langaloys according to claim 6,
Wherein the method for smelting of step (b) is selected from following one of which: fuel heating furnace melting, antivacuum electric furnace melt
Refining, vacuum induction melting and vacuum arc furnace melting.
The manufacture method of 12. anti-corrosion Langaloys according to claim 6,
After step (b), wherein also include the step that anti-corrosion Langaloy is carried out refine, and method of refining is selected from such as
Under one of which: argon oxygen decarburization, vacuum-oxygen decarbonizing, electroslag remelting and vacuum arc remelting.
The manufacture method of 13. anti-corrosion Langaloys according to claim 12,
After described refinement step, wherein also include the step that anti-corrosion Langaloy is carried out surface process.
The manufacture method of 14. anti-corrosion Langaloys according to claim 12,
Wherein said electroslag remelting method of refining includes that adding titaniferous slag charge carries out refine.
The manufacture method of 15. anti-corrosion Langaloys according to claim 14,
The wherein said titaniferous slag charge TiO containing 3-20%2。
The manufacture method of 16. anti-corrosion Langaloys according to claim 14,
Wherein said titaniferous slag charge selects to comprise CaF2-CaO-MgO-Al2O3-SiO2-TiO2Slag system.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104103782A TWI518183B (en) | 2015-02-04 | 2015-02-04 | Corrosion resistant high nickel alloy and its manufacturing method |
| TW104103782 | 2015-02-04 |
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| CN106032559A true CN106032559A (en) | 2016-10-19 |
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| CN201510106007.6A Pending CN106032559A (en) | 2015-02-04 | 2015-03-11 | Corrosion-resistant high-nickel alloy and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108456807A (en) * | 2017-12-19 | 2018-08-28 | 重庆材料研究院有限公司 | A kind of nickel material of high temperature resistant molten caustic (soda) corrosion |
| CN111020245A (en) * | 2019-10-28 | 2020-04-17 | 成都先进金属材料产业技术研究院有限公司 | Preparation method of nickel-copper corrosion-resistant alloy |
| CN111172427A (en) * | 2019-12-31 | 2020-05-19 | 江苏新华合金有限公司 | Pure nickel bar and process preparation method thereof |
| CN111378872A (en) * | 2018-12-28 | 2020-07-07 | 中国钢铁股份有限公司 | High nickel alloy and method for producing same |
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| CN106282669A (en) * | 2016-08-29 | 2017-01-04 | 金川集团股份有限公司 | A kind of high resistivity pure nickel alloy and production technology thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108456807A (en) * | 2017-12-19 | 2018-08-28 | 重庆材料研究院有限公司 | A kind of nickel material of high temperature resistant molten caustic (soda) corrosion |
| CN108456807B (en) * | 2017-12-19 | 2020-05-12 | 重庆材料研究院有限公司 | Nickel material resistant to high temperature fusion and caustic soda corrosion |
| CN111378872A (en) * | 2018-12-28 | 2020-07-07 | 中国钢铁股份有限公司 | High nickel alloy and method for producing same |
| CN111020245A (en) * | 2019-10-28 | 2020-04-17 | 成都先进金属材料产业技术研究院有限公司 | Preparation method of nickel-copper corrosion-resistant alloy |
| CN111172427A (en) * | 2019-12-31 | 2020-05-19 | 江苏新华合金有限公司 | Pure nickel bar and process preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201629240A (en) | 2016-08-16 |
| TWI518183B (en) | 2016-01-21 |
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