CN108193120A - A kind of high nitrogen type VN alloy V77N19 and preparation method thereof - Google Patents
A kind of high nitrogen type VN alloy V77N19 and preparation method thereof Download PDFInfo
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- CN108193120A CN108193120A CN201711470553.3A CN201711470553A CN108193120A CN 108193120 A CN108193120 A CN 108193120A CN 201711470553 A CN201711470553 A CN 201711470553A CN 108193120 A CN108193120 A CN 108193120A
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- alloy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/16—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on nitrides
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- 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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
- C22C1/053—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
- C22C1/056—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using gas
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C35/00—Master alloys for iron or steel
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention is a kind of high nitrogen type VN alloy V77N19 and preparation method thereof, and parts by weight are：90 120 parts of the oxide of vanadium；30 40 parts of carbon dust；10 12 parts of bonding agent；34 parts of potassium carbonate nitrogen fixation agent；0.2 0.4 parts of iron powder catalyst.Its preparation process is to be added in reduction nitridation stove by above-mentioned raw materials compound stalk forming after mixing, then by material after molding, while be passed through nitrogen to reduction nitridation stove, carries out reduction nitridation, high nitrogen type VN alloy V77N19 is made after arrival time cooling.High nitrogen type VN alloy V77N19 prepared by the present invention is simple for process, the theoretical ratio 3.64 combined closer to vanadium nitrogen, and is effectively saved vanadium resource, reduces alloy consumption while reduces the production cost of steel-making.
Description
Technical field
The present invention relates to metallurgical technology fields more particularly to a kind of high nitrogen type VN alloy V77N19 and preparation method thereof.
Background technology
China's reinforcing bar product consumption is huge, and reinforcing bar manufacturer is numerous, and reinforcing bar rests on 400MPa ranks, current Europe mostly
Continent building iron has been upgraded to based on 500MPa rank reinforcing bars, and 600MPa high tensile reinforcements have obtained wide popularization and application, such as
What cost-effectively improves domestic product high strength cast iron, reduces the difference in reinforcing bar development and application technical field with developed country
Away from realization industrial structure upgrading, oneself becomes the Major Strategic subject that China's steel industry faces.
Conventionally employed ferrovanadium nitride, alloy of vanadium nitride V77N16 are used for the production of micro alloyed steel, wherein vanadium-nitrogen microalloy
Change is to produce a cost-effective approach of high strength cast iron.Because vanadium-nitrogen alloy has the additive amount for saving vanadium, reduce into
This, vanadium, nitrogen recovery rate are stablized, and reduce the performance inconsistency of steel, have more effective precipitation strength and Grain Refinement Effect than vanadium iron,
In addition, saving 20%~40% vanadium advantage, so as to reduce production cost, pretending as a kind of high strength microalloy steel is most economical has
The additive of effect has positive application value.At present, microalloying is used for using alloy of vanadium nitride V77N16 additives mostly
The production of steel, however, it is high there are production cost for the production of micro alloyed steel using alloy of vanadium nitride V77N16, to reinforcing bar
Strengthen the problem of effect is poor, the report for but rarely having high nitrogen type VN alloy V77N19.
Invention content
Present invention seek to address that the deficiencies in the prior art, and a kind of high nitrogen type VN alloy V77N19 and its preparation side are provided
Method.
The present invention to achieve the above object, using following technical scheme：A kind of high nitrogen type VN alloy V77N19, feature
It is, is made of the raw material of following parts by weight：
Particularly, the oxide of the vanadium uses vanadic anhydride.
Particularly, mixture of the bonding agent for lithium metasilicate and quartz sand, ratio of weight and number 1:1.
The preparation method of a kind of high nitrogen type VN alloy V77N19 provided by the invention, which is characterized in that including following step
Suddenly：By vanadium oxide, carbon dust, bonding agent, potassium carbonate nitrogen fixation agent and iron powder catalyst compound stalk forming, then will be after molding after mixing
Material add in reduction nitridation stove, while nitrogen is passed through to reduction nitridation stove, carry out reduction nitridation, nitridation furnace temperature is 780-
1500 DEG C, the reduction nitridation time is 10-20h, and the high nitrogen type vanadium nitrogen that particle size range is 10-40mm is made after arrival time cooling and closes
Golden V77N19.
The beneficial effects of the invention are as follows：High nitrogen type VN alloy V77N19 prepared by the present invention is simple for process, and nitrogen vanadium ratio is not
More than 4.27, in the market alloy of vanadium nitride V77N16, compared with ferrovanadium nitride, there is relatively low carbon content, closer to vanadium nitrogen
With reference to theoretical ratio 3.64 so that strengthen effect higher than alloy of vanadium nitride V77N16, ferrovanadium nitride currently on the market, and
Vanadium resource is effectively saved, reduce alloy consumption while reduces the production cost of steel-making.
Specific embodiment
With reference to embodiment, the invention will be further described：
Embodiment 1
A kind of high nitrogen type VN alloy V77N19, is made of the raw material of following parts by weight：
Preparation method：To a kind of high nitrogen type vanadium nitrogen provided in this embodiment for preparing high nitrogen type VN alloy V77N19
The preparation method of alloy V77N19 is described below：Weigh 90 parts of vanadic anhydrides, 30 parts of carbon dusts, 5 parts of lithium metasilicates, 5 parts of quartz sands,
3 parts of potassium carbonate nitrogen fixation agents and 0.2 part of iron powder catalyst compound stalk forming, then material after molding is added in into reduction nitrogen after mixing
Change in stove, while nitrogen is passed through to reduction nitridation stove, carry out reduction nitridation, nitridation furnace temperature is 780 DEG C, and the reduction nitridation time is
10h, it is 40mm that granularity, which is made, after arrival time cooling, and nitrogen vanadium is than the high nitrogen type VN alloy V77N19 for 4.27.
Embodiment 2
A kind of high nitrogen type VN alloy V77N19, is made of the raw material of following parts by weight：
Preparation method：To a kind of high nitrogen type vanadium nitrogen provided in this embodiment for preparing high nitrogen type VN alloy V77N19
The preparation method of alloy V77N19 is described below：Weigh 120 parts of vanadic anhydrides, 40 parts of carbon dusts, 6 parts of lithium metasilicates, 6 parts of quartz
Sand, 4 parts of potassium carbonate nitrogen fixation agents and 0.4 part of iron powder catalyst compound stalk forming, then material after molding is added in also after mixing
In former nitriding furnace, while nitrogen is passed through to reduction nitridation stove, carries out reduction nitridation, nitridation furnace temperature is 1500 DEG C, reduction nitridation
Time is 20h, and it is 10mm that particle size range, which is made, after arrival time cooling, and nitrogen vanadium is than the high nitrogen type VN alloy V77N19 for 4.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as it employs the various improvement of inventive concept and technical scheme of the present invention progress or not improved directly applies to other fields
It closes, within protection scope of the present invention.
Claims (4)
1. a kind of high nitrogen type VN alloy V77N19, which is characterized in that be made of the raw material of following parts by weight：
2. a kind of high nitrogen type VN alloy V77N19 according to claim 1, which is characterized in that the oxide of the vanadium is adopted
Use vanadic anhydride.
3. a kind of high nitrogen type VN alloy V77N19 according to claim 1, which is characterized in that the bonding agent is silicic acid
The mixture of lithium and quartz sand, ratio of weight and number 1:1.
4. a kind of preparation method of high nitrogen type VN alloy V77N19 as described in claim 1, which is characterized in that including following
Step：By the oxide of vanadium, carbon dust, bonding agent, potassium carbonate nitrogen fixation agent and iron powder catalyst compound stalk forming, then will after mixing
Material after molding is added in reduction nitridation stove, while is passed through nitrogen to reduction nitridation stove, carries out reduction nitridation, nitrogenizes furnace temperature
It it is 780-1500 DEG C, the reduction nitridation time is 10-20h, particle size range is made after arrival time cooling as 10-40mm, nitrogen vanadium ratio
High nitrogen type VN alloy V77N19 no more than 4.27.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711470553.3A CN108193120A (en) | 2017-12-29 | 2017-12-29 | A kind of high nitrogen type VN alloy V77N19 and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711470553.3A CN108193120A (en) | 2017-12-29 | 2017-12-29 | A kind of high nitrogen type VN alloy V77N19 and preparation method thereof |
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| CN108193120A true CN108193120A (en) | 2018-06-22 |
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| CN201711470553.3A Pending CN108193120A (en) | 2017-12-29 | 2017-12-29 | A kind of high nitrogen type VN alloy V77N19 and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113621848A (en) * | 2021-08-05 | 2021-11-09 | 陕西中钒昌盛新材料科技有限公司 | Preparation method of high-nitrogen vanadium-nitrogen alloy |
-
2017
- 2017-12-29 CN CN201711470553.3A patent/CN108193120A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113621848A (en) * | 2021-08-05 | 2021-11-09 | 陕西中钒昌盛新材料科技有限公司 | Preparation method of high-nitrogen vanadium-nitrogen alloy |
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Application publication date: 20180622 |