CN1093120A - A kind of nickel-base alloy - Google Patents
A kind of nickel-base alloy Download PDFInfo
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- CN1093120A CN1093120A CN 94102564 CN94102564A CN1093120A CN 1093120 A CN1093120 A CN 1093120A CN 94102564 CN94102564 CN 94102564 CN 94102564 A CN94102564 A CN 94102564A CN 1093120 A CN1093120 A CN 1093120A
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Abstract
A kind of nickel-base alloy, its chemical ingredients (weight %) is: Cr20～35%, Cu (or Si) 0.5～1.5%, RE (rare earth) 0.01～0.3%, C0.01～0.2%, Fe＜2%, surplus is Ni.Alloy of the present invention still has the good high-temperature oxidation-resistance under 1200 ℃ of high temperature and refractory melts glass corrosion.Be applicable to the technical fields such as vaporization of glassware, chemical industry, high temperature and high pressure containers, cast stone, ferrite furnace, coal.
Description
The invention belongs to the nickel-base alloy field, mainly be applicable in high temperature oxidation, the melten glass corrosive environment.
In the glass industry, glasswork ties up to the high temperature fused state compacted under, and the parts relevant with moulding be unable to do without high-temperature material.In the past high temperature steel 310, iron nickel base superalloy Incoloy800 and GH30 alloys of adopting more.These materials have better anti-oxidant, erosion resistance at≤1100 ℃, but do not satisfy the requirement of resistance to oxidation erosion resistance under the higher temperature, contact with melten glass for a long time as drawn glass pipe shaping end, require non-scale, non-scraper; And for example, vertical trombone slide ventpipe 1150 ℃ of work down, requires resistance to oxidation, creep resistance for a long time; For another example, drawn glass fiber bushing is 1100～1200 ℃ of long term operations, requires resistance to oxidation, refractory to melt that glass washes away, high temperature creep-resisting.One of material that can satisfy this particular requirement is the platinum family precious metal, is difficult to widely apply owing to cost an arm and a leg.In the prior art, foreign patent EP0303957A1 and US4063934 also are the fire-resistant oxidation resistant alloys, but clear and definite use temperature in its literary composition≤1100 ℃.Therefore all need to develop the alloy that makes new advances both at home and abroad, to satisfy the requirement of glass industry and other fire-resistant oxidation resistant material.
The object of the present invention is to provide a kind ofly still to have good high-temperature oxidation resistance at 1200 ℃ of high temperature, refractory melts the new nickel-base alloy of glass corrosion.
According to above-mentioned requirements, the present invention is choosing on the basis that Ni is an alloy substrate, adds Cr, RE(rare earth), Cu(or Si).Add Cr, RE(rare earth) mainly be the oxidation-resistance of improving alloy; Add Cu or Si and melt glass corrosion for the refractory that improves alloy.
The concrete chemical ingredients (weight %) of nickel-base alloy of the present invention is as follows: Cr20～35%, Cu(or Si) 0.5～1.5%, the RE(rare earth) 0.01～0.3%, C0.01～0.2%, Fe＜2%, surplus is Ni.
The RE(rare earth) be in Ce, Y or the mishmetal any one.
Contain 0.01～0.3%RE(rare earth in the alloy of the present invention), be in order to improve the oxidation-resistance of alloy.
China is rich in a large amount of rare earths, and rare earth element can improve alloy oxide film and alloy substrate adhesivity greatly, therefore add the oxidation-resistance that Ce or mishmetal or Y can improve alloy in the alloy, but addition and addition means are very strict, foreign patent EP0303957A1 thinks: Y and other rare earth element improve the processibility of alloy, but its (weight %) content 〉=0.01% can not show premium properties, so contains 0～0.01%Y or other rare earth in the EP0303957A1 alloy.The present invention is through repeatedly practice, and alloy middle-weight rare earths amount is controlled to be 0.01～0.3%.Alloy middle-weight rare earths amount≤0.1% during hot-work; Preparation precision casting time≤0.3%.Content of rare earth improves the oxidation-resistance of optimizing alloy greatly; For the hot workability adverse influence, can moulding by process modification.
Containing 0.5～1.5%Cu or 0.5～1.5%Si in the alloy of the present invention, is to melt glass corrosion for the refractory that improves alloy of the present invention.
Contrast does not contain Cu alloy Ni
70Cr
30With contain Cu alloy Ni
69Cr
30The static melten glass corrodibility of Cul is found: 1200 ℃ 60 hours, Ni
70Cr
30The alloy loss of weight is 4.4 gram/rice
2Hour, numerous air-bubble and pockmark are arranged on the contact surface of alloy and glass metal; And Ni
69Cr
30Cul alloy loss of weight only is 2.9 gram/rice
2Hour, and a tangible fine and close protective membrane is arranged on the contact surface of alloy and glass metal, and therefore, contain an amount of copper, help improving refractory and melt glass corrosion.
Alloy of the present invention can adopt vacuum induction furnace, consumable electrode vacuum furnace, and medium-frequency induction furnace is smelted, and hot-work can adopt forging, hot rolling, heat to wear, but cold working is thin plate, band, seamless tube, silk material etc.; Also but precision casting becomes various Heat resistant castings.
Compared with prior art, the advantage of alloy of the present invention is as follows:
1, use temperature height.
The front has been narrated high temperature steel 310 commonly used in the glass industry, iron nickel base superalloy Incoloy800 and GH30 alloy, and these materials possess well anti-oxidant, erosion resistance≤1100 ℃ of temperature.The use temperature of foreign patent EP0303957A1 and US4063934 also≤1100 ℃.And alloy of the present invention still has good anti-oxidant, erosion resistance at 1200 ℃.Therefore the use temperature of alloy ratio prior art alloy of the present invention has improved 100 ℃, and use temperature is brought up to 1200 ℃ actual value and narrated in front.
2, oxidation-resistance strengthens.
Alloy of the present invention is compared with patent EP0303957A1, does not contain refractory metal W, Mo, Ta, Nb; Do not contain Hf, Zr; And the amount that contains rare earth element increases, and Y or other rare earth are 0～0.01% among the patent EP0303957A1, and alloy of the present invention contains the RE(rare earth) 0.01～0.3%, content of rare earth improves optimizes the alloy oxidation-resistance greatly; And the raising of content of rare earth is for the disadvantageous effect of hot workability, can moulding by process modification.
The present invention and patent US4063934 compare, and US4063934 does not contain rare earth element, and other contains elements such as W, Mo, Nb, Fe.
All contain the refractory metal element in above EP030957A1 and the US4063934 patent, and the refractory metal element can obviously reduce the oxidation-resistance of alloy.The present invention considers that this factor do not add refractory metal, thereby makes alloy of the present invention still have the good high-temperature oxidation-resistance at 1200 ℃.
Alloy of the present invention and GH30 alloy ratio show by experiment that 1200 ℃ of average rate of oxidation of 100 hours of GH30 alloy are more than 2 times of the average rate of oxidation of alloy of the present invention, and therefore, the high-temperature oxidation resistance of alloy of the present invention is better.
Comprehensively above-mentioned, alloy of the present invention is owing to still have good oxidation resistance at 1200 ℃, and refractory melts glass corrosion, also has certain high temperature intensity; Alloy also has good hot-work, processing performances such as cold working, machining, welding.Therefore, alloy use range of the present invention progressively enlarges.
Embodiment
According to chemical ingredients scope of the present invention, on vacuum induction furnace, smelt 3 stove alloys, the concrete chemical ingredients such as the table 1 of 3 alloys.A, above-mentioned 3 stove alloys are through pouring into 400 kilograms of ingots, and forge hot is that φ 140 * 1800m/m rod is for machining usefulness, antioxidant property such as table 2 under 1200 ℃, 100 hours.B, above-mentioned 3 stove alloy forging stocks are through hot rolling, cold rolling one-tenth plate, through the thermal treatment of 1180 ℃ * 5h air cooling, at 1050 ℃ of pyritous instantaneous stretching performances such as table 3.
The concrete chemical ingredients (weight %) of table 1, embodiment alloy
| Heat (batch) number | Ni | Cr | Cu | Ce | C | Fe | P | S | Si |
| 1 | Surplus | 29.9 | 0.94 | 0.03 | 0.025 | 0.34 | 0.005 | 0.005 | 0.3 |
| 2 | Surplus | 29.27 | 0.83 | 0.02 | 0.012 | 0.26 | 0.005 | 0.005 | 0.32 |
| 3 | Surplus | 29.20 | 0.90 | 0.025 | 0.03 | 0.35 | 0.005 | 0.005 | 0.30 |
Table 2, embodiment alloy antioxidant anticorrosive performance
| Heat (batch) number | 1200 ℃ of 100 hours rate of oxidation | 1200 ℃ of 100 hourly average rate of oxidation |
| 1 | 0.2450 gram/rice 2Hour | 0.2446 gram/rice 2Hour |
| 2 | 0.2500 gram/rice 2Hour | |
| 3 | 0.2390 gram/rice 2Hour |
Table 3, embodiment alloy cold-reduced sheet instantaneous stretching performance
| Heat (batch) number | Heat treating regime | Draft temperature ℃ | σb Kg/mm 2 | δ% |
| 1 | 1180 ℃ * 5h air cooling | 1050 | 5.390 | 92.01 |
| 2 | 1180 ℃ * 5h air cooling | 1050 | 5.400 | 92.10 |
| 3 | 1180 ℃ * 5h air cooling | 1050 | 5.395 | 92.05 |
As can be seen from Table 2,1200 ℃ of average rate of oxidation of 100 hours of alloy of the present invention are 0.2446 gram/rice
2Hour, and oxidation-resistant alloy GH30,1200 ℃ of average rate of oxidation of 100 hours are: 0.5810 gram/rice
2Hour, obviously, the average rate of oxidation of GH30 is 2.38 times of alloy of the present invention, and aforesaid two oxidation-resistant alloy patent EP0303957A1 and the clear and definite use temperature of US4063934≤1100 ℃, can not provide 1200 ℃ of 100 hours rate of oxidation, because of all containing refractory element in its composition, so rate of oxidation is more taller than GH30.
Therefore alloy of the present invention is the better alloy of oxidation-resistance under a kind of 1200 ℃ of high temperature.
Claims (3)
1, a kind of nickel-base alloy, it is characterized in that chemical ingredients (weight %) is: Cr 20～35%, Cu (or Si) 0.5～1.5%, RE (rare earth) 0.01～0.3%, C 0.01～0.2%, and surplus is Ni.
2, nickel-base alloy according to claim 1 is characterized in that Fe＜2%.
3, nickel-base alloy according to claim 1 is characterized in that the RE(rare earth) be in Ce, Y or the mishmetal any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94102564 CN1032701C (en) | 1994-03-12 | 1994-03-12 | Nickel base alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94102564 CN1032701C (en) | 1994-03-12 | 1994-03-12 | Nickel base alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1093120A true CN1093120A (en) | 1994-10-05 |
| CN1032701C CN1032701C (en) | 1996-09-04 |
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ID=5030709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94102564 Expired - Fee Related CN1032701C (en) | 1994-03-12 | 1994-03-12 | Nickel base alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1032701C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1845148A2 (en) * | 2006-04-12 | 2007-10-17 | Forschungszentrum Karlsruhe GmbH | Application of an alloy in a method for hydrothermal gassing of saline reactants |
| CN102206773A (en) * | 2011-04-22 | 2011-10-05 | 江苏新华合金电器有限公司 | High-resistance electrothermal alloy material and preparation method thereof |
| CN102433466A (en) * | 2010-09-29 | 2012-05-02 | 中国科学院金属研究所 | Nickel and cobalt-based high-temperature alloy containing rare earth elements and preparation method thereof |
| CN103480983A (en) * | 2013-09-18 | 2014-01-01 | 张盘 | High-strength high-tenacity 9Ni steel gas-shield weld metal |
| CN105674316A (en) * | 2016-03-09 | 2016-06-15 | 苏州华冲精密机械有限公司 | Gate body |
| CN113802030A (en) * | 2021-10-14 | 2021-12-17 | 上海交通大学 | Rare earth high-temperature alloy construction material and ultralimit precision casting method thereof |
-
1994
- 1994-03-12 CN CN 94102564 patent/CN1032701C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1845148A2 (en) * | 2006-04-12 | 2007-10-17 | Forschungszentrum Karlsruhe GmbH | Application of an alloy in a method for hydrothermal gassing of saline reactants |
| EP1845148A3 (en) * | 2006-04-12 | 2010-12-08 | Karlsruher Institut für Technologie | Use of an alloy in a process for hydrothermal gasification of salts containing reactants |
| CN102433466A (en) * | 2010-09-29 | 2012-05-02 | 中国科学院金属研究所 | Nickel and cobalt-based high-temperature alloy containing rare earth elements and preparation method thereof |
| CN102206773A (en) * | 2011-04-22 | 2011-10-05 | 江苏新华合金电器有限公司 | High-resistance electrothermal alloy material and preparation method thereof |
| CN102206773B (en) * | 2011-04-22 | 2012-11-21 | 江苏新华合金电器有限公司 | High-resistance electrothermal alloy material and preparation method thereof |
| CN103480983A (en) * | 2013-09-18 | 2014-01-01 | 张盘 | High-strength high-tenacity 9Ni steel gas-shield weld metal |
| CN103480983B (en) * | 2013-09-18 | 2016-03-09 | 海宁瑞奥金属科技有限公司 | A kind of high-strength and high ductility gas of 9Ni steel protects weld metal |
| CN105674316A (en) * | 2016-03-09 | 2016-06-15 | 苏州华冲精密机械有限公司 | Gate body |
| CN113802030A (en) * | 2021-10-14 | 2021-12-17 | 上海交通大学 | Rare earth high-temperature alloy construction material and ultralimit precision casting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1032701C (en) | 1996-09-04 |
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