CN109594003A - A kind of preparation method of high-temperature alloy - Google Patents
A kind of preparation method of high-temperature alloy Download PDFInfo
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- CN109594003A CN109594003A CN201710915205.6A CN201710915205A CN109594003A CN 109594003 A CN109594003 A CN 109594003A CN 201710915205 A CN201710915205 A CN 201710915205A CN 109594003 A CN109594003 A CN 109594003A
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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
- C22C1/00—Making non-ferrous alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/04—Alloys containing less than 50% by weight of each constituent containing tin or lead
Abstract
The invention discloses a kind of preparation method of high-temperature alloy in field of alloy material, the compositions and content of the high-temperature alloy are as follows: Ni is 20.5 ~ 23.5wt%；C is 3.5 ~ 5.9wt%；P is 4.1 ~ 5.9wt%；Fe is 13.5 ~ 18.5wt%；S is 2.4 ~ 4.6wt%；Co is 8.9 ~ 11.5wt%；Mn is 12.6 ~ 14.5wt%；Sn is 4.8 ~ 5.9wt%；Cr is 15.8 ~ 19.5wt%；Au is 1.3 ~ 2.8wt%；Cu is 18.9 ~ 23.5wt%；Ag is 2.6 ~ 4.3wt%；Surplus is impurity, and the preparation method includes the following steps: ingredient: carrying out feeding according to the composition and content of above-mentioned high-temperature alloy, obtains the raw metal of corresponding content；Calcining: above-mentioned raw material Ni, C, P, Fe, S and Co the investment vacuum furnace prepared is heated, above-mentioned raw materials are heated to 800 ~ 950 DEG C in 30 ~ 45min, then remaining Mn, Sn, Cr, Au, Cu and Ag are put into vacuum furnace again, 1200 ~ 1400 DEG C are heated to the rate of every 5 ~ 8 DEG C/min, 4 ~ 6h of heat-insulation pressure keeping；Calcined alloy is taken out from vacuum furnace, cooled to room temperature obtains high-temperature alloy.Alloy made from method of the invention can be applied to greatly improve performance resistant to high temperature under 1300 ~ 1500 DEG C of furnace temperature environment, more adaptable.
Description
Technical field
The invention belongs to field of alloy material, in particular to a kind of preparation method of high-temperature alloy.
Background technique
In the prior art, high temperature alloy refers to using iron, nickel, cobalt as matrix, can be in 600 DEG C or more of high temperature and certain stress
The metalloid material for acting on lower long-term work, has excellent high temperature strength, good anti-oxidant and hot corrosion resistance, good
The comprehensive performances such as good fatigue behaviour, fracture toughness.High temperature alloy is single austenite structure, is had at various temperatures good
Structure stability and use reliability.Based on above-mentioned performance characteristics, and the alloying level of high temperature alloy is higher, is otherwise known as
" superalloy " is a kind of important materials for being widely used in Aeronautics and Astronautics, petroleum, chemical industry, naval vessel.Divide by matrix element, it is high
Temperature alloy is divided into the high temperature alloys such as iron-based, Ni-based, cobalt-based again.Iron-base superalloy generally can only achieve 750 ~ 780 using temperature
DEG C, for the heat-resistant part used at a higher temperature, then use Ni-based and refractory metal for the alloy of matrix.Nickel-base high-temperature
Alloy occupies special consequence in entire high temperature alloy field, it is widely used to make aero-jet engine, various
Industry gas turbine most hot-end component.Current high-temperature alloy can not also apply under 1300 ~ 1500 DEG C of furnace temperature, and there are one
Fixed limitation.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of high-temperature alloy, the alloy as made from this method can be answered
It is more adaptable for greatly improving performance resistant to high temperature under 1300 ~ 1500 DEG C of furnace temperature environment.
The object of the present invention is achieved like this: a kind of preparation method of high-temperature alloy, the group of the high-temperature alloy
At and content are as follows: Ni be 20.5 ~ 23.5wt%；C is 3.5 ~ 5.9wt%；P is 4.1 ~ 5.9wt%；Fe is 13.5 ~ 18.5wt%；S is
2.4~4.6wt%；Co is 8.9 ~ 11.5wt%；Mn is 12.6 ~ 14.5wt%；Sn is 4.8 ~ 5.9wt%；Cr is 15.8 ~ 19.5wt%；
Au is 1.3 ~ 2.8wt%；Cu is 18.9 ~ 23.5wt%；Ag is 2.6 ~ 4.3wt%；Surplus is impurity, which is characterized in that the preparation
Method includes the following steps:
(1) ingredient: feeding is carried out according to the composition and content of above-mentioned high-temperature alloy, obtains the raw metal of corresponding content；
(2) it calcines: above-mentioned raw material Ni, C, P, Fe, S and Co the investment vacuum furnace prepared being heated, in 30 ~ 45min
It is interior that above-mentioned raw materials are heated to 800 ~ 950 DEG C, remaining Mn, Sn, Cr, Au, Cu and Ag are then put into vacuum furnace again
In, 1200 ~ 1400 DEG C are heated to the rate of every 5 ~ 8 DEG C/min, 4 ~ 6h of heat-insulation pressure keeping；
(3) calcined alloy is taken out from vacuum furnace, cooled to room temperature obtains high-temperature alloy.
Compared with prior art, the beneficial effects of the present invention are the property such as high temperature resistant possessed by high temperature alloy, corrosion-resistant
Its chemical composition and institutional framework can be depended primarily on.Ni content is high in alloy produced by the present invention, and mass fraction containing Ni exists
50% or more can bear 1000 DEG C or so high temperature, this alloy is by γ matrix phase, δ phase, carbide and hardening constituent γ ' and γ " phase group
At.The chemical element and base structure of this high-temperature alloy show its powerful mechanical property, yield strength and tensile strength
Better than 45 steel several times, plasticity are also better than 45 steel.Stable lattice structure and a large amount of intensifiers construct its excellent power
Learn performance.High-temperature alloy of the invention can be applied to greatly improve high temperature resistant under 1300 ~ 1500 DEG C of furnace temperature environment
Performance, it is more adaptable.Alloy made from method of the invention can be applied under 1300 ~ 1500 DEG C of furnace temperature environment, greatly
Performance resistant to high temperature is improved greatly, it is more adaptable.
As a further improvement of the present invention, the raw material being once added in the step (2) will be above-mentioned in 35 ~ 40min
Raw material is heated to 850 ~ 900 DEG C.
As a further improvement of the present invention, in the step 2 secondary addition raw material, added with the rate of 6 ~ 7 DEG C/min
Heat is to 1300 ~ 1350 DEG C, 5 ~ 6h of heat-insulation pressure keeping.
Specific embodiment
Embodiment 1
The preparation method of the high-temperature alloy of the present embodiment, the composition and content of the high-temperature alloy are as follows: Ni 20.5t%；C
For 3.5wt%；P is 4.1wt%；Fe is 13.5wt%；S is 2.4wt%；Co is 8.9wt%；Mn is 12.6wt%；Sn is 4.8wt%；Cr
For 15.8wt%；Au is 1.3wt%；Cu is 18.9wt%；Ag is 2.6wt%；Surplus is impurity, and the preparation method includes following step
It is rapid:
(1) ingredient: feeding is carried out according to the composition and content of above-mentioned high-temperature alloy, obtains the raw metal of corresponding content；
(2) it calcines: above-mentioned raw material Ni, C, P, Fe, S and Co the investment vacuum furnace prepared is heated, it will in 30min
Above-mentioned raw materials are heated to 800 DEG C, then again put into remaining Mn, Sn, Cr, Au, Cu and Ag in vacuum furnace, with every 5
DEG C/rate of min is heated to 1200 DEG C, heat-insulation pressure keeping 4h；
(3) calcined alloy is taken out from vacuum furnace, cooled to room temperature obtains high-temperature alloy.
Embodiment 2
The preparation method of the high-temperature alloy of the present embodiment, the composition and content of the high-temperature alloy are as follows: Ni 23.5wt%；C
For 5.9wt%；P is 5.9wt%；Fe is 18.5wt%；S is 4.6wt%；Co is 11.5wt%；Mn is 14.5wt%；Sn is 5.9wt%；
Cr is 19.5wt%；Au is 2.8wt%；Cu is 23.5wt%；Ag is 4.3wt%；Surplus is impurity；The preparation method includes as follows
Step:
(1) ingredient: feeding is carried out according to the composition and content of above-mentioned high-temperature alloy, obtains the raw metal of corresponding content；
(2) it calcines: above-mentioned raw material Ni, C, P, Fe, S and Co the investment vacuum furnace prepared is heated, it will in 45min
Above-mentioned raw materials are heated to 950 DEG C, then again put into remaining Mn, Sn, Cr, Au, Cu and Ag in vacuum furnace, with every 8
DEG C/rate of min is heated to 1400 DEG C, heat-insulation pressure keeping 6h；
(3) calcined alloy is taken out from vacuum furnace, cooled to room temperature obtains high-temperature alloy.
Embodiment 3
The preparation method of the high-temperature alloy of the present embodiment, the composition and content of the high-temperature alloy are as follows: Ni 23.5wt%；C
For 5.9wt%；P is 5.9wt%；Fe is 18.5wt%；S is 4.6wt%；Co is 11.5wt%；Mn is 14.5wt%；Sn is 5.9wt%；
Cr is 19.5wt%；Au is 2.8wt%；Cu is 23.5wt%；Ag is 4.3wt%；Surplus is impurity；The preparation method includes as follows
Step:
(1) ingredient: feeding is carried out according to the composition and content of above-mentioned high-temperature alloy, obtains the raw metal of corresponding content；
(2) it calcines: above-mentioned raw material Ni, C, P, Fe, S and Co the investment vacuum furnace prepared being heated, in 30 ~ 45min
It is interior that above-mentioned raw materials are heated to 870 DEG C, then remaining Mn, Sn, Cr, Au, Cu and Ag are put into vacuum furnace again, with
The rate of every 6 DEG C/min is heated to 1300 DEG C, heat-insulation pressure keeping 5h；
(3) calcined alloy is taken out from vacuum furnace, cooled to room temperature obtains high-temperature alloy.
The beneficial effects of the present invention are: the performances such as high temperature resistant possessed by high temperature alloy, corrosion-resistant depend primarily on it
Chemical composition and institutional framework.Ni content is high in alloy produced by the present invention, and mass fraction containing Ni can be born 50% or more
1000 DEG C or so high temperature, this alloy is by γ matrix phase, δ phase, carbide and hardening constituent γ ' and γ " phase composition.This high-temperature alloy
Chemical element and base structure show its powerful mechanical property, yield strength and tensile strength are better than 45 steel several times,
Plasticity is also better than 45 steel.Stable lattice structure and a large amount of intensifiers construct its excellent mechanical property.Of the invention
High-temperature alloy can be applied to greatly improve performance resistant to high temperature, adaptability is more under 1300 ~ 1500 DEG C of furnace temperature environment
By force.Alloy made from method of the invention can be applied to greatly improve resistant to high temperature under 1300 ~ 1500 DEG C of furnace temperature environment
Performance, it is more adaptable.
The present invention is not limited to the above embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing creative labor
A little replacements and deformation, these replacements and deformation are within the scope of the invention.
Claims (3)
1. a kind of preparation method of high-temperature alloy, the composition and content of the high-temperature alloy are as follows: Ni is 20.5 ~ 23.5wt%；
C is 3.5 ~ 5.9wt%；P is 4.1 ~ 5.9wt%；Fe is 13.5 ~ 18.5wt%；S is 2.4 ~ 4.6wt%；Co is 8.9 ~ 11.5wt%；Mn
For 12.6 ~ 14.5wt%；Sn is 4.8 ~ 5.9wt%；Cr is 15.8 ~ 19.5wt%；Au is 1.3 ~ 2.8wt%；Cu be 18.9 ~
23.5wt%；Ag is 2.6 ~ 4.3wt%；Surplus is impurity, which is characterized in that the preparation method includes the following steps:
(1) ingredient: feeding is carried out according to the composition and content of above-mentioned high-temperature alloy, obtains the raw metal of corresponding content；
(2) it calcines: above-mentioned raw material Ni, C, P, Fe, S and Co the investment vacuum furnace prepared being heated, in 30 ~ 45min
It is interior that above-mentioned raw materials are heated to 800 ~ 950 DEG C, remaining Mn, Sn, Cr, Au, Cu and Ag are then put into vacuum furnace again
In, 1200 ~ 1400 DEG C are heated to the rate of every 5 ~ 8 DEG C/min, 4 ~ 6h of heat-insulation pressure keeping；
(3) calcined alloy is taken out from vacuum furnace, cooled to room temperature obtains high-temperature alloy.
2. a kind of preparation method of high-temperature alloy according to claim 1, which is characterized in that one in the step (2)
Above-mentioned raw materials are heated to 850 ~ 900 DEG C in 35 ~ 40min by the raw material of secondary addition.
3. a kind of preparation method of high-temperature alloy according to claim 1 or 2, which is characterized in that two in the step 2
The raw material of secondary addition is heated to 1300 ~ 1350 DEG C with the rate of 6 ~ 7 DEG C/min, 5 ~ 6h of heat-insulation pressure keeping.
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| CN201710915205.6A CN109594003A (en) | 2017-09-30 | 2017-09-30 | A kind of preparation method of high-temperature alloy |
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| CN201710915205.6A CN109594003A (en) | 2017-09-30 | 2017-09-30 | A kind of preparation method of high-temperature alloy |
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| CN109594003A true CN109594003A (en) | 2019-04-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074134A (en) * | 2019-12-31 | 2020-04-28 | 中山市皓祥模具五金有限公司 | Preparation method of non-ferrous metal alloy material |
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- 2017-09-30 CN CN201710915205.6A patent/CN109594003A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074134A (en) * | 2019-12-31 | 2020-04-28 | 中山市皓祥模具五金有限公司 | Preparation method of non-ferrous metal alloy material |
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Application publication date: 20190409 |