CN101880796A - Zirconium-nickel alloy and preparation method thereof - Google Patents
Zirconium-nickel alloy and preparation method thereof Download PDFInfo
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- CN101880796A CN101880796A CN 201010228595 CN201010228595A CN101880796A CN 101880796 A CN101880796 A CN 101880796A CN 201010228595 CN201010228595 CN 201010228595 CN 201010228595 A CN201010228595 A CN 201010228595A CN 101880796 A CN101880796 A CN 101880796A
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Abstract
The invention provides zirconium-nickel alloy and a preparation method thereof. The alloy has superior corrosion resistance. The preparation method has simple process and low production cost, and is suitable for industrial production. The zirconium-nickel alloy comprises the following components in weight parts: 43%-45% of Ni, 0.02%-0.05% of La, 0.03%-0.09% of Pr, 0.05%-0.2% of Nd and the balance of Zr. The preparation method comprises the following steps of: loading the raw materials in a heating container, and melting into a zirconium-nickel alloy liquid at 1750-1800 DEG C; introducing argon gas to the upper part of the heating container, and drilling a plug hole in the lower part of the heating container, wherein the lower edge of the plug hole is 2-3 mm away from a rotating molybdenum alloy rotary wheel; contacting the zirconium-nickel alloy liquid with the edge of the rotating molybdenum alloy rotary wheel through the plug hole under the air pressure of 1.15 atm, and throwing out the zirconium-nickel alloy liquid from the edge of the molybdenum alloy rotary wheel to form a zirconium-nickel alloy belt; and maintaining the temperature of the zirconium-nickel alloy belt to obtain the zirconium-nickel alloy.
Description
One, technical field
The invention belongs to metal material field, relate to a kind of Zirconium-nickel alloy and preparation method thereof.
Two, technical background
In the metal current material field, the performance and the preparation of zirconium alloy has been subjected to attention.
CN93120915.3 number application discloses a kind of the reduction and spreads the method for preparing zirconium nickel alloy powder.It is that the zirconium oxychloride powder handled with heat-flash or Zirconium oxide powder, metal nickel powder (or its oxide powder) are raw material, makes reductive agent with calcium metal (or hydrolith), and the mixing agglomeration is placed in the High Temperature Furnaces Heating Apparatus.The control furnace temperature is between 950～1350 ℃ in inert atmosphere, and heating kept 1～5 hour, zirconium be reduced out and and metallic nickel by diffuseing to form metallic compound between zirconium nickel, obtain zirconium nickel alloy powder through hydration-treated again.This technology is simple, economy, safety, is a kind of novel method of preparation zirconium nickel alloy powder.This method can't directly be prepared into block materials.
CN200810232546.4 number application discloses a kind of used by nuclear reactor zirconium base alloy, it is characterized in that this alloying constituent content is by weight percentage: Sn0.6-1.4%, Nb0.15-1.2%, Fe0.1-0.5%, Cr0.02-0.1%, Cu0.004-0.05%, S10-25ppm, O 700-1400ppm, surplus is Zr and other unavoidable impurities.The summation of the Cu of this invention, S constituent content is not less than 50ppm, and the summation of described Cu, O constituent content is not more than 1700ppm.Be difficult to aborning control, so preparation technology's difficulty is very big, has increased production cost.
Yang Zhi has just waited the experimental study that the corrosion-resistant behavior of bulk zirconium-base amorphous alloy Zr41Ti14Cu12.5Ni5Be22.5Fe5 electrochemistry has been discussed at the rare metal magazine (25-28 page or leaf) of 2004 the 28th the 1st phases of volume.For further studying the corrosion resistance nature of non-crystaline amorphous metal, carried out the 2mol.L at room temperature of crystal alloy and amorphous alloy
-1Sulfuric acid in the contrast corrosion weight loss experiment of corrosion 168h.But Be is toxic, and consumption is very big, and cost is also high.
Three, summary of the invention
Purpose of the present invention is exactly at above-mentioned technological deficiency, and a kind of Zirconium-nickel alloy is provided, and this alloy has superior corrosion resistance nature.
Another object of the present invention provides the preparation method of above-mentioned Zirconium-nickel alloy, and this preparation method's technology is simple, and production cost is low, is suitable for suitability for industrialized production.
The objective of the invention is to be achieved through the following technical solutions:
A kind of Zirconium-nickel alloy, the weight percentage of its each composition is: Ni is 43%-45%, and La is 0.02%-0.05%, and Pr is 0.03%-0.09%, and Nd is 0.05%～0.2%, all the other are Zr.
A kind of Zirconium-nickel alloy preparation method: each composition is 43%-45% according to weight percentage: Ni earlier, La is 0.02%-0.05%, Pr is 0.03%-0.09%, Nd is 0.05%～0.2%, all the other are prepared burden for Zr's, raw material places in the heating container, is fused into Zirconium-nickel alloy liquid in 1750-1800 ℃; Heating container top leads to argon system, and pouring hole is opened in the heating container bottom, and the diameter in hole is 0.5-1mm, and the lower edge of pouring hole is apart from the molybdenum alloy runner 2-3mm of rotation; Under the 1.15atm gas pressure, Zirconium-nickel alloy liquid is by the molybdenum alloy runner edge contact of pouring hole and rotation, the linear velocity at runner edge is 21-24m/s, and molybdenum alloy runner edge throws away alloy liquid, forms Zirconium-nickel alloy band (thickness of Zirconium-nickel alloy band is that 0.5-2mm can be put in the specification sheets); With the Zirconium-nickel alloy band, just obtain Zirconium-nickel alloy then at 250-300 ℃ of insulation 1-1.5h.
The present invention's beneficial effect compared to existing technology is as follows:
Zirconium of the present invention and nickel all have good corrosion resistance.Characteristics such as the hardness of the high fusing point of zirconium, superelevation and intensity.The adding of nickel can reduce the temperature of fusion of alloy, is convenient to found with usual way.Protactinium, neodymium, lanthanum effect are the crystal grain of effective refinement zirconium alloy.Neodymium is the ε phase in the refinement Zirconium-nickel alloy effectively, and protactinium, lanthanum be the ζ intermediate phase in the refinement Zirconium-nickel alloy effectively.The intermediate phase disperse is distributed, improved the intensity and the solidity to corrosion of alloy.
Alloy property of the present invention sees Table 1.
Alloy preparation technology is easy, and production cost is low, is convenient to very much suitability for industrialized production.
Four, description of drawings
The metallographic structure of the Zirconium-nickel alloy that Fig. 1 makes for the embodiment of the invention one.
Can see by Fig. 1 and on the Zirconium-nickel alloy matrix, to be distributed with tiny ζ intermediate phase and ε mutually.
Five, embodiment
Below each embodiment only as explanation of the present invention, weight percent wherein all can change weight g, kg or other weight unit into.
Embodiment one:
The preparation process of Zirconium-nickel alloy of the present invention is as follows: the weight percentage that each composition is pressed earlier: Ni is 43%, and La is 0.02%, and Pr is 0.03%, Nd is 0.05%, all the other are prepared burden for Zr, and raw material places in the heating container, are fused into Zirconium-nickel alloy liquid in 1750-1800 ℃; Heating container top leads to argon system, and pouring hole is opened in the heating container bottom, and the diameter in hole is 0.5-1mm, and the lower edge of pouring hole is apart from the molybdenum alloy runner 2-3mm of rotation; Under the 1.15atm gas pressure, Zirconium-nickel alloy liquid is by the molybdenum alloy runner edge contact of pouring hole and rotation, and the linear velocity at runner edge is 21-24m/s, and molybdenum alloy runner edge throws away alloy liquid, form the Zirconium-nickel alloy band, the thickness of Zirconium-nickel alloy band is 0.5-2mm; With the Zirconium-nickel alloy band, just obtain Zirconium-nickel alloy then at 250-300 ℃ of insulation 1-1.5h.
Fig. 1 is the metallographic structure of the Zirconium-nickel alloy that obtains, by Fig. 1 can see on the Zirconium-nickel alloy matrix, be distributed with tiny ζ mutually with ε mutually.
Embodiment two:
The weight percentage that each composition is pressed earlier: Ni is 45%, and La is 0.05%, and Pr is 0.09%, and Nd is 0.2%, and all the other are prepared burden for Zr, and preparation process is with embodiment one.
Embodiment three:
The weight percentage that each composition is pressed earlier: Ni is 44%, and La is 0.03%, and Pr is 0.059%, and Nd is 0.09%, and all the other are prepared burden for Zr, and preparation process is with embodiment one.
Embodiment four: (proportioning raw materials is the example in the present invention program's scope not)
The weight percentage that each composition is pressed earlier: Ni is 42%, and La is 0.01%, and Pr is 0.02%, and Nd is 0.02%, and all the other are prepared burden for Zr, and preparation process is with embodiment one.
Embodiment five: (proportioning raw materials is the example in the present invention program's scope not)
The weight percentage that each composition is pressed earlier: Ni is 48%, and La is 0.06%, and Pr is 0.1%, and Nd is 0.3%, and all the other are prepared burden for Zr, and preparation process is with embodiment one.
Following table is the alloy property synopsis of different components and proportioning:
Table 1
As seen from the above table, these elements of Zirconium-nickel alloy exceed the application's ratio range, can reduce the performance of alloy.Too much as nickel, the fusing point of alloy all can improve, and is not easy to found with usual way.Protactinium, neodymium, lanthanum quantity not sufficient are not enough to the crystal grain and the intermediate phase of refinement alloy.Protactinium, neodymium, lanthanum quantity are too much, between protactinium, neodymium, the lanthanum; Also can form compound between protactinium, neodymium, lanthanum and the zirconium nickel, this has not only consumed rare earth element, the excessive performance that can reduce material of the compound of formation.
Claims (2)
1. Zirconium-nickel alloy, the weight percentage of its each composition is: Ni is 43%-45%, and La is 0.02%-0.05%, and Pr is 0.03%-0.09%, and Nd is 0.05%～0.2%, all the other are Zr.
2. Zirconium-nickel alloy preparation method, this method may further comprise the steps:
Each composition is 43%-45% according to weight percentage: Ni earlier, and La is 0.02%-0.05%, and Pr is 0.03%-0.09%, Nd is 0.05%～0.2%, all the other are prepared burden for Zr's, and raw material places in the heating container, is fused into Zirconium-nickel alloy liquid in 1750-1800 ℃; Heating container top leads to argon system, and pouring hole is opened in the heating container bottom, and the diameter in hole is 0.5-1mm, and the lower edge of pouring hole is apart from the molybdenum alloy runner 2-3mm of rotation; Under the 1.15atm gas pressure, Zirconium-nickel alloy liquid is by the molybdenum alloy runner edge contact of pouring hole and rotation, and the linear velocity at runner edge is 21-24m/s, and molybdenum alloy runner edge throws away alloy liquid, forms the Zirconium-nickel alloy band; With the Zirconium-nickel alloy band, just obtain Zirconium-nickel alloy then at 250-300 ℃ of insulation 1-1.5h.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108690924A (en) * | 2017-04-12 | 2018-10-23 | 江苏美特林科特殊合金股份有限公司 | A kind of nickel zirconium intermediate alloy material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097220A (en) * | 1993-07-08 | 1995-01-11 | 武汉工业大学 | Titanium carbonitride-dimolybdenum carbide-nickel-nickel zirconium compounds-yttrium oxide system material and preparation method thereof |
| CN1429658A (en) * | 2001-12-30 | 2003-07-16 | 武汉钢铁集团氧气有限责任公司 | Material for removing impurity in inert gas and its use method |
| US20050070098A1 (en) * | 2003-09-30 | 2005-03-31 | International Business Machines Corporation | Pre-anneal of cosi, to prevent formation of amorphous layer between ti-o-n and cosi |
-
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- 2010-07-15 CN CN2010102285958A patent/CN101880796B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097220A (en) * | 1993-07-08 | 1995-01-11 | 武汉工业大学 | Titanium carbonitride-dimolybdenum carbide-nickel-nickel zirconium compounds-yttrium oxide system material and preparation method thereof |
| CN1429658A (en) * | 2001-12-30 | 2003-07-16 | 武汉钢铁集团氧气有限责任公司 | Material for removing impurity in inert gas and its use method |
| US20050070098A1 (en) * | 2003-09-30 | 2005-03-31 | International Business Machines Corporation | Pre-anneal of cosi, to prevent formation of amorphous layer between ti-o-n and cosi |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108690924A (en) * | 2017-04-12 | 2018-10-23 | 江苏美特林科特殊合金股份有限公司 | A kind of nickel zirconium intermediate alloy material and preparation method thereof |
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