CN105087983B - A kind of preparation method of nickel-base alloy ingot - Google Patents
A kind of preparation method of nickel-base alloy ingot Download PDFInfo
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Abstract
The invention discloses a kind of preparation method of nickel-base alloy ingot, the method is：First, suppress after nikel powder being mixed homogeneously with elemental metalpowder, obtain pre-burning caking；2nd, pre-burning caking is sintered under the conditions of hydrogen shield, obtains pre- frit；3rd, pre- frit is placed in medium frequency induction melting furnace and carries out Medium frequency induction melting process, obtain nickel-base alloy melt, then described nickel-base alloy melt is cast, obtain smelting electrode；4th, smelting electrode is placed in vacuum arc melting furnace and carries out vacuum arc melting process, obtain nickel-base alloy ingot.The technical process that the present invention is processed with reference to Medium frequency induction melting process and vacuum arc melting prepares nickel-base alloy ingot, take full advantage of the advantage of two kinds of smelting technologies, turn avoid the deficiency of two kinds of smelting technologies, the nickel-base alloy ingot macro-components of acquisition are uniformly and dense micro-structure.
Description
Technical field
The invention belongs to nickel-base alloy preparing technical field is and in particular to a kind of preparation method of nickel-base alloy ingot.
Background technology
Preparing nickel-base alloy ingot is exploitation metallic base band for coating conductor, and the basis of exploitation nickel base superalloy.Right
Nickel-base alloy ingot can be obtained using Medium frequency induction melting technique in binary or polynary nickel-base alloy ingot, or adopt vacuum arc
Melting technique obtains nickel-base alloy ingot.But all there is different degrees of advantage and deficiency in two kinds of technology.Using Medium frequency induction melting
When technology prepares nickel-base alloy ingot, it is advantageous that nickel is completely melt with other metallic elements in alloy, stir in corresponding electromagnetic force
Mix under effect, the uniformity of alloy pig entirety composition can obtain and effectively ensure.But during using Medium frequency induction melting technique, must
The coagulating property of alloy must be considered.Because the coagulating property difference of different-alloy is so that may deposit in the final alloy pig obtaining
In pore, the defect such as loose, it is unfavorable for alloy pig is carried out further heat-machining.Vacuum arc melting technology excellent
Gesture is to obtain the alloy pig of densification, there is not pore or the defect such as loose, but its deficiency is if electricity in alloy pig
During the uneven components of pole, it is difficult to obtain the uniform alloy pig of macro-components.
Content of the invention
The technical problem to be solved is, for above-mentioned deficiency of the prior art, to provide a kind of nickel-base alloy
The preparation method of ingot, the technical process that the method is processed with reference to Medium frequency induction melting process and vacuum arc melting prepares nickel
Based alloy ingot, takes full advantage of the advantage of two kinds of smelting technologies, turn avoid the deficiency of two kinds of smelting technologies, the Ni-based conjunction of acquisition
Ingot macro-components are uniformly and dense micro-structure.
For solving above-mentioned technical problem, the technical solution used in the present invention is：A kind of preparation method of nickel-base alloy ingot, its
It is characterised by, comprise the following steps：
Step one, nikel powder is mixed homogeneously with elemental metalpowder, obtain mixed-powder, then suppress described mixed powder
End, obtains pre-burning caking；
Step 2, by described pre-burning caking be sintered under the conditions of hydrogen shield, obtain pre- frit；Described sintering
The temperature processing is 1000 DEG C～1200 DEG C, and the time is 2h～4h；
Step 3, frit pre- described in step 2 is placed in medium frequency induction melting furnace, is less than 10Pa's in furnace pressure
Under the conditions of carry out Medium frequency induction melting process, obtain the nickel-base alloy melt that temperature is 1600 DEG C～1800 DEG C, then will be described
Nickel-base alloy melt is cast under conditions of vacuum no more than 100Pa, obtains smelting electrode；
Step 4, smelting electrode described in step 3 is placed in vacuum arc melting furnace, in stove, vacuum is not more than 1
×10-1Carry out vacuum arc melting process under conditions of Pa, obtain nickel-base alloy ingot.
A kind of preparation method of above-mentioned nickel-base alloy ingot is it is characterised in that elemental metalpowder described in step one is
Tungsten powder, in described mixed-powder, the mass content of tungsten powder is 1%～24%, balance of nikel powder.
A kind of preparation method of above-mentioned nickel-base alloy ingot it is characterised in that in described mixed-powder the quality of tungsten powder contain
Measure as 9%～22%, balance of nikel powder.
A kind of preparation method of above-mentioned nickel-base alloy ingot it is characterised in that elemental metalpowder described in step one by
Chromium powder, molybdenum powder, iron powder and tungsten powder mix, the mass content 14%～17% of chromium powder, the matter of molybdenum powder in described mixed-powder
Amount content is 15%～17%, and the mass content of iron powder is 4%～7%, and the mass content of tungsten powder is 3%～5%, balance of nickel
Powder.
A kind of preparation method of above-mentioned nickel-base alloy ingot is it is characterised in that the temperature of sintering processes described in step 2
For 1100 DEG C～1200 DEG C, the time is 3h～4h.
The present invention compared with prior art has advantages below：
1st, the technical process that the present invention is processed with reference to Medium frequency induction melting process and vacuum arc melting prepare Ni-based
Alloy pig, takes full advantage of the advantage of two kinds of smelting technologies, turn avoid the deficiency of two kinds of smelting technologies, the nickel-base alloy of acquisition
Ingot macro-components are uniformly and dense micro-structure.
2nd, the present invention obtains composition uniform nickel-base alloy ingot, Ran Houli initially with the process that Medium frequency induction melting is processed
With the nickel-base alloy ingot that the process prepared composition of vacuum arc melting process is uniform, fine and close, both overcame and adopted merely intermediate frequency sense
Answer melting technique to be difficult when preparing nickel-base alloy ingot to obtain the deficiency of dense alloy ingot, turn avoid and adopt merely vacuum arc to melt
Refining technology prepares the problem relying on and must being employed many times vacuum arc furnace melting that during nickel-base alloy, electrode is constituted with constituent element.
When the 3rd, nickel-base alloy ingot being prepared using Medium frequency induction melting technique, carry out after alloying element being melted in fusion process
Casting, obtains alloy pig, therefore, it is possible to ensure the homogeneity of ingredients of alloy pig, and must take into the solidification of alloy in casting cycle
Characteristic, otherwise easily the defect such as empty, loose in alloy pig, is difficult to obtain fine and close alloy pig；Using vacuum arc
Melting technique is prepared during nickel-base alloy it is necessary to consider to constitute the distributing homogeneity of each constituent element of electrode, and the fusing point of each constituent element
Difference, otherwise easily uneven components or niggerhead phenomenon in alloy pig, for obtaining the uniform alloy pig of composition at least
Just enabled by 2～3 vacuum arc melting processes, considerably increase the cost preparing alloy, present invention incorporates intermediate frequency
Induction Melting Technology and the respective advantage of vacuum arc melting technology, overcome and adopt merely Medium frequency induction melting technique or vacuum
The deficiency of electric arc melting technology it is proposed that a kind of process simply effectively and advantage of lower cost nickel-base alloy ingot technology of preparing.
Below by drawings and Examples, technical scheme is described in further detail.
Brief description
Fig. 1 is the low power metallograph of the nickel tungsten ingot of the embodiment of the present invention 1 preparation.
Fig. 2 is the low power metallograph of the nickel tungsten ingot of comparative example 1 preparation.
Specific embodiment
Embodiment 1
The present embodiment comprises the following steps：
Step one, nikel powder is mixed homogeneously with elemental metalpowder, obtain mixed-powder, then suppress described mixed powder
End, obtains pre-burning caking；Described elemental metalpowder is tungsten powder, and in described mixed-powder, the mass content of tungsten powder is 14%, remaining
Measure as nikel powder；
Step 2, by described pre-burning caking be sintered under the conditions of hydrogen shield, obtain pre- frit；Described sintering
The temperature processing is 1200 DEG C, and the time is 2h；
Step 3, frit pre- described in step 2 is placed in medium frequency induction melting furnace, is less than 10Pa's in furnace pressure
Under the conditions of carry out Medium frequency induction melting process, obtain the nickel-base alloy melt that temperature is 1800 DEG C, then by described nickel-base alloy
Melt is cast under conditions of vacuum no more than 100Pa, obtains smelting electrode；
Step 4, smelting electrode described in step 3 is placed in vacuum arc melting furnace, in stove, vacuum is not more than 1
×10-1Carry out vacuum arc melting process under conditions of Pa, obtain cylindrical shape nickel-base alloy ingot.
Comparative example 1
This comparative example comprises the following steps：
Step one, nikel powder is mixed homogeneously with elemental metalpowder, obtain mixed-powder, then suppress described mixed powder
End, obtains pre-burning caking；Described elemental metalpowder is tungsten powder, and in described mixed-powder, the mass content of tungsten powder is 14%, remaining
Measure as nikel powder；
Step 2, by described pre-burning caking be sintered under the conditions of hydrogen shield, obtain pre- frit；Described sintering
The temperature processing is 1200 DEG C, and the time is 2h；
Step 3, frit pre- described in step 2 is placed in medium frequency induction melting furnace, is less than 10Pa's in furnace pressure
Under the conditions of carry out Medium frequency induction melting process, obtain the nickel-base alloy melt that temperature is 1800 DEG C, then by described nickel-base alloy
Melt is cast under conditions of vacuum no more than 100Pa, obtains cylindrical shape nickel-base alloy ingot.
Comparative example 2
This comparative example comprises the following steps：
Step one, nikel powder is mixed homogeneously with elemental metalpowder, obtain mixed-powder, then suppress described mixed powder
End, obtains pre-burning caking；Described elemental metalpowder is tungsten powder, and in described mixed-powder, the mass content of tungsten powder is 14%, remaining
Measure as nikel powder；
Step 2, by described pre-burning caking be sintered under the conditions of hydrogen shield, obtain pre- frit；Described sintering
The temperature processing is 1200 DEG C, and the time is 2h；
Step 3, frit pre- described in step 2 is placed in vacuum arc melting furnace, in stove vacuum be not more than 1 ×
10-1Carry out vacuum arc melting process under conditions of Pa, obtain cylindrical shape nickel-base alloy ingot.
From figure 1 it appears that the nickel-base alloy ingot compact structure of embodiment 1 preparation, there is not pore or loose etc. lack
Falling into, from figure 2 it can be seen that being clearly present a large amount of cavities in the nickel-base alloy ingot of comparative example 1 preparation, showing individually to adopt intermediate frequency
The defect such as empty, loose easily occurs in alloy pig when induction melting handling process prepares nickel-base alloy ingot, is difficult to obtain densification
Alloy pig.
Longitudinally 3 points of samplings in the nickel-base alloy ingot of embodiment 1 and comparative example 2 preparation respectively, test its composition uniform
Property, result is as shown in table 1.
The homogeneity of ingredients test result of the nickel-base alloy ingot of table 1 embodiment 1 preparation
| Position | W content/wt.% |
| Top | 14.00 |
| Middle part | 13.92 |
| Bottom | 14.10 |
The homogeneity of ingredients test result of the nickel-base alloy ingot of table 2 comparative example 2 preparation
| Position | W content/wt.% |
| Top | 13.01 |
| Middle part | 13.42 |
| Bottom | 12.10 |
From table 1 it follows that the internal wolfram element distributed components of the nickel-base alloy ingot of embodiment 1 preparation, from table 2
As can be seen that the nickel-base alloy ingot internal component proportional jitter of comparative example 2 preparation is larger, illustrate that embodiment 1 combines Medium frequency induction
The technical process of melting process and vacuum arc melting process takes full advantage of the advantage of two kinds of smelting technologies, turn avoid two kinds
The deficiency of smelting technology, the nickel-base alloy ingot macro-components of acquisition are uniformly and dense micro-structure.
Embodiment 2
The present embodiment comprises the following steps：
Step one, nikel powder is mixed homogeneously with elemental metalpowder, obtain mixed-powder, then suppress described mixed powder
End, obtains pre-burning caking；Described elemental metalpowder is tungsten powder, and in described mixed-powder, the mass content of tungsten powder is 1%, surplus
For nikel powder；
Step 2, by described pre-burning caking be sintered under the conditions of hydrogen shield, obtain pre- frit；Described sintering
The temperature processing is 1000 DEG C, and the time is 4h；
Step 3, frit pre- described in step 2 is placed in medium frequency induction melting furnace, is less than 10Pa's in furnace pressure
Under the conditions of carry out Medium frequency induction melting process, obtain the nickel-base alloy melt that temperature is 1600 DEG C, then by described nickel-base alloy
Melt is cast under conditions of vacuum no more than 100Pa, obtains smelting electrode；
Step 4, smelting electrode described in step 3 is placed in vacuum arc melting furnace, in stove, vacuum is not more than 1
×10-1Carry out vacuum arc melting process under conditions of Pa, obtain cylindrical shape nickel-base alloy ingot.
, there is not pore or the defect such as loose, prepare in embodiment 2 in the nickel-base alloy ingot compact structure of embodiment 2 preparation
Nickel-base alloy ingot in longitudinally 3 points of samplings, test its homogeneity of ingredients, result is as shown in table 3.
The homogeneity of ingredients test result of the nickel-base alloy ingot of table 3 embodiment 2 preparation
| Position | W content/wt.% |
| Top | 1.01 |
| Middle part | 0.98 |
| Bottom | 0.99 |
From table 3 it is observed that the internal wolfram element distributed components of the nickel-base alloy ingot of embodiment 2 preparation.
Embodiment 3
The present embodiment comprises the following steps：
Step one, nikel powder is mixed homogeneously with elemental metalpowder, obtain mixed-powder, then suppress described mixed powder
End, obtains pre-burning caking；Described elemental metalpowder is tungsten powder, and in described mixed-powder, the mass content of tungsten powder is 24%, remaining
Measure as nikel powder；
Step 2, by described pre-burning caking be sintered under the conditions of hydrogen shield, obtain pre- frit；Described sintering
The temperature processing is 1100 DEG C, and the time is 3h；
Step 3, frit pre- described in step 2 is placed in medium frequency induction melting furnace, is less than 10Pa's in furnace pressure
Under the conditions of carry out Medium frequency induction melting process, obtain the nickel-base alloy melt that temperature is 1700 DEG C, then by described nickel-base alloy
Melt is cast under conditions of vacuum no more than 100Pa, obtains smelting electrode；
Step 4, smelting electrode described in step 3 is placed in vacuum arc melting furnace, in stove, vacuum is not more than 1
×10-1Carry out vacuum arc melting process under conditions of Pa, obtain cylindrical shape nickel-base alloy ingot.
, there is not pore or the defect such as loose, prepare in embodiment 3 in the nickel-base alloy ingot compact structure of embodiment 3 preparation
Nickel-base alloy ingot in longitudinally 3 points of samplings, test its homogeneity of ingredients, result is as shown in table 4.
The homogeneity of ingredients test result of the nickel-base alloy ingot of table 4 embodiment 3 preparation
| Position | W content/wt.% |
| Top | 24.03 |
| Middle part | 24.00 |
| Bottom | 23.98 |
As can be seen from Table 4, the internal wolfram element distributed components of the nickel-base alloy ingot of embodiment 3 preparation.
Embodiment 4
The present embodiment comprises the following steps：
Step one, nikel powder is mixed homogeneously with elemental metalpowder, obtain mixed-powder, then suppress described mixed powder
End, obtains pre-burning caking；Described elemental metalpowder is tungsten powder, and in described mixed-powder, the mass content of tungsten powder is 22%, remaining
Measure as nikel powder；
Step 2, by described pre-burning caking be sintered under the conditions of hydrogen shield, obtain pre- frit；Described sintering
The temperature processing is 1100 DEG C, and the time is 2.5h；
Step 3, frit pre- described in step 2 is placed in medium frequency induction melting furnace, is less than 10Pa's in furnace pressure
Under the conditions of carry out Medium frequency induction melting process, obtain the nickel-base alloy melt that temperature is 1650 DEG C, then by described nickel-base alloy
Melt is cast under conditions of vacuum no more than 100Pa, obtains smelting electrode；
Step 4, smelting electrode described in step 3 is placed in vacuum arc melting furnace, in stove, vacuum is not more than 1
×10-1Carry out vacuum arc melting process under conditions of Pa, obtain cylindrical shape nickel-base alloy ingot.
, there is not pore or the defect such as loose, prepare in embodiment 4 in the nickel-base alloy ingot compact structure of embodiment 4 preparation
Nickel-base alloy ingot in longitudinally 3 points of samplings, test its homogeneity of ingredients, result is as shown in table 5.
The homogeneity of ingredients test result of the nickel-base alloy ingot of table 5 embodiment 4 preparation
| Position | W content/wt.% |
| Top | 22.02 |
| Middle part | 22.00 |
| Bottom | 21.98 |
As can be seen from Table 5, the internal wolfram element distributed components of the nickel-base alloy ingot of embodiment 4 preparation.
Embodiment 5
The present embodiment comprises the following steps：
Step one, nikel powder is mixed homogeneously with elemental metalpowder, obtain mixed-powder, then suppress described mixed powder
End, obtains pre-burning caking；Described elemental metalpowder is tungsten powder, and in described mixed-powder, the mass content of tungsten powder is 9%, surplus
For nikel powder；
Step 2, by described pre-burning caking be sintered under the conditions of hydrogen shield, obtain pre- frit；Described sintering
The temperature processing is 1150 DEG C, and the time is 3h；
Step 3, frit pre- described in step 2 is placed in medium frequency induction melting furnace, is less than 10Pa's in furnace pressure
Under the conditions of carry out Medium frequency induction melting process, obtain the nickel-base alloy melt that temperature is 1750 DEG C, then by described nickel-base alloy
Melt is cast under conditions of vacuum no more than 100Pa, obtains smelting electrode；
Step 4, smelting electrode described in step 3 is placed in vacuum arc melting furnace, in stove, vacuum is not more than 1
×10-1Carry out vacuum arc melting process under conditions of Pa, obtain cylindrical shape nickel-base alloy ingot.
, there is not pore or the defect such as loose, prepare in embodiment 5 in the nickel-base alloy ingot compact structure of embodiment 5 preparation
Nickel-base alloy ingot in longitudinally 3 points of samplings, test its homogeneity of ingredients, result is as shown in table 6.
The homogeneity of ingredients test result of the nickel-base alloy ingot of table 6 embodiment 5 preparation
| Position | W content/wt.% |
| Top | 9.02 |
| Middle part | 9.00 |
| Bottom | 8.99 |
As can be seen from Table 6, the internal wolfram element distributed components of the nickel-base alloy ingot of embodiment 5 preparation.
Embodiment 6
The present embodiment comprises the following steps：
Step one, nikel powder is mixed homogeneously with elemental metalpowder, obtain mixed-powder, then suppress described mixed powder
End, obtains pre-burning caking；Described elemental metalpowder is mixed by chromium powder, molybdenum powder, iron powder and tungsten powder, in described mixed-powder
The mass content 15% of chromium powder, the mass content of molybdenum powder is 15%, and the mass content of iron powder is 4%, and the mass content of tungsten powder is
3%, balance of nikel powder；
Step 2, by described pre-burning caking be sintered under the conditions of hydrogen shield, obtain pre- frit；Described sintering
The temperature processing is 1200 DEG C, and the time is 2h；
Step 3, frit pre- described in step 2 is placed in medium frequency induction melting furnace, is less than 10Pa's in furnace pressure
Under the conditions of carry out Medium frequency induction melting process, obtain the nickel-base alloy melt that temperature is 1800 DEG C, then by described nickel-base alloy
Melt is cast under conditions of vacuum no more than 100Pa, obtains smelting electrode；
Step 4, smelting electrode described in step 3 is placed in vacuum arc melting furnace, in stove, vacuum is not more than 1
×10-1Carry out vacuum arc melting process under conditions of Pa, obtain cylindrical shape nickel-base alloy ingot.
, there is not pore or the defect such as loose, prepare in embodiment 6 in the nickel-base alloy ingot compact structure of embodiment 6 preparation
Nickel-base alloy ingot in longitudinally 3 points of samplings, test its homogeneity of ingredients, result is as shown in table 7.
The homogeneity of ingredients test result of the nickel-base alloy ingot of table 7 embodiment 6 preparation
| Position | W content/wt.% | Cr content/wt.% | Mo content/wt.% | Fe content/wt.% |
| Top | 3.01 | 14.98 | 15.00 | 4.01 |
| Middle part | 2.99 | 15.01 | 15.02 | 4.02 |
| Bottom | 3.00 | 15.01 | 14.99 | 3.98 |
As can be seen from Table 7, the internal wolfram element of the nickel-base alloy ingot of embodiment 6 preparation, chromium, molybdenum element and ferrum unit
Element is all evenly distributed.
Embodiment 7
The present embodiment comprises the following steps：
Step one, nikel powder is mixed homogeneously with elemental metalpowder, obtain mixed-powder, then suppress described mixed powder
End, obtains pre-burning caking；Described elemental metalpowder is mixed by chromium powder, molybdenum powder, iron powder and tungsten powder, in described mixed-powder
The mass content 14% of chromium powder, the mass content of molybdenum powder is 17%, and the mass content of iron powder is 7%, and the mass content of tungsten powder is
5%, balance of nikel powder；
Step 2, by described pre-burning caking be sintered under the conditions of hydrogen shield, obtain pre- frit；Described sintering
The temperature processing is 1100 DEG C, and the time is 4h；
Step 3, frit pre- described in step 2 is placed in medium frequency induction melting furnace, is less than 10Pa's in furnace pressure
Under the conditions of carry out Medium frequency induction melting process, obtain the nickel-base alloy melt that temperature is 1800 DEG C, then by described nickel-base alloy
Melt is cast under conditions of vacuum no more than 100Pa, obtains smelting electrode；
Step 4, smelting electrode described in step 3 is placed in vacuum arc melting furnace, in stove, vacuum is not more than 1
×10-1Carry out vacuum arc melting process under conditions of Pa, obtain cylindrical shape nickel-base alloy ingot.
, there is not pore or the defect such as loose, prepare in embodiment 7 in the nickel-base alloy ingot compact structure of embodiment 7 preparation
Nickel-base alloy ingot in longitudinally 3 points of samplings, test its homogeneity of ingredients, result is as shown in table 8.
The homogeneity of ingredients test result of the nickel-base alloy ingot of table 8 embodiment 7 preparation
| Position | W content/wt.% | Cr content/wt.% | Mo content/wt.% | Fe content/wt.% |
| Top | 5.01 | 13.98 | 17.01 | 7.01 |
| Middle part | 4.99 | 14.00 | 16.99 | 7.00 |
| Bottom | 5.00 | 14.01 | 17.00 | 6.98 |
As can be seen from Table 8, the internal wolfram element of the nickel-base alloy ingot of embodiment 7 preparation, chromium, molybdenum element and ferrum unit
Element is all evenly distributed.
Embodiment 8
The present embodiment comprises the following steps：
Step one, nikel powder is mixed homogeneously with elemental metalpowder, obtain mixed-powder, then suppress described mixed powder
End, obtains pre-burning caking；Described elemental metalpowder is mixed by chromium powder, molybdenum powder, iron powder and tungsten powder, in described mixed-powder
The mass content 17% of chromium powder, the mass content of molybdenum powder is 16%, and the mass content of iron powder is 5.5%, the mass content of tungsten powder
For 4%, balance of nikel powder；
Step 2, by described pre-burning caking be sintered under the conditions of hydrogen shield, obtain pre- frit；Described sintering
The temperature processing is 1150 DEG C, and the time is 3.5h；
Step 3, frit pre- described in step 2 is placed in medium frequency induction melting furnace, is less than 10Pa's in furnace pressure
Under the conditions of carry out Medium frequency induction melting process, obtain the nickel-base alloy melt that temperature is 1750 DEG C, then by described nickel-base alloy
Melt is cast under conditions of vacuum no more than 100Pa, obtains smelting electrode；
Step 4, smelting electrode described in step 3 is placed in vacuum arc melting furnace, in stove, vacuum is not more than 1
×10-1Carry out vacuum arc melting process under conditions of Pa, obtain cylindrical shape nickel-base alloy ingot.
, there is not pore or the defect such as loose, prepare in embodiment 8 in the nickel-base alloy ingot compact structure of embodiment 8 preparation
Nickel-base alloy ingot in longitudinally 3 points of samplings, test its homogeneity of ingredients, result is as shown in table 9.
The homogeneity of ingredients test result of the nickel-base alloy ingot of table 9 embodiment 8 preparation
| Position | W content/wt.% | Cr content/wt.% | Mo content/wt.% | Fe content/wt.% |
| Top | 4.01 | 16.98 | 16.00 | 5.51 |
| Middle part | 3.99 | 17.02 | 16.02 | 5.48 |
| Bottom | 4.00 | 17.01 | 15.99 | 5.50 |
As can be seen from Table 9, the internal wolfram element of the nickel-base alloy ingot of embodiment 8 preparation, chromium, molybdenum element and ferrum unit
Element is all evenly distributed.
The above, be only presently preferred embodiments of the present invention, not the present invention imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent structure change that technical spirit is made to above example, all still fall within skill of the present invention
In the protection domain of art scheme.
Claims (2)
1. a kind of preparation method of nickel-base alloy ingot is it is characterised in that comprise the following steps：
Step one, nikel powder is mixed homogeneously with elemental metalpowder, obtain mixed-powder, then suppress described mixed-powder, obtain
To pre-burning caking；Described elemental metalpowder is mixed by chromium powder, molybdenum powder, iron powder and tungsten powder, chromium powder in described mixed-powder
Mass content 14%～17%, the mass content of molybdenum powder is 15%～17%, and the mass content of iron powder is 4%～7%, tungsten powder
Mass content be 3%～5%, balance of nikel powder；
Step 2, by described pre-burning caking be sintered under the conditions of hydrogen shield, obtain pre- frit；Described sintering processes
Temperature be 1000 DEG C～1200 DEG C, the time be 2h～4h；
Step 3, frit pre- described in step 2 is placed in medium frequency induction melting furnace, is less than the condition of 10Pa in furnace pressure
Under carry out Medium frequency induction melting process, obtain the nickel-base alloy melt that temperature is 1600 DEG C～1800 DEG C, then will be described Ni-based
Alloy melt is cast under conditions of vacuum no more than 100Pa, obtains smelting electrode；
Step 4, smelting electrode described in step 3 is placed in vacuum arc melting furnace, in stove, vacuum is not more than 1 × 10-1Carry out vacuum arc melting process under conditions of Pa, obtain nickel-base alloy ingot.
2. according to a kind of nickel-base alloy ingot described in claim 1 preparation method it is characterised in that described in step 2 sinter
The temperature processing is 1100 DEG C～1200 DEG C, and the time is 3h～4h.
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| CN106048310A (en) * | 2016-08-11 | 2016-10-26 | 四川六合锻造股份有限公司 | Ni-Cr-Mo-W high temperature alloy material, and preparation method and application thereof |
| CN106244855A (en) * | 2016-08-11 | 2016-12-21 | 四川六合锻造股份有限公司 | A kind of antioxidant high temperature alloy material, its preparation method and application thereof |
| CN115430838B (en) * | 2022-08-26 | 2023-11-14 | 上海材料研究所有限公司 | Preparation method of nickel-based alloy powder with high tungsten and high boron content |
| CN115283682B (en) * | 2022-08-26 | 2023-11-07 | 上海材料研究所有限公司 | Preparation method of nickel-based alloy powder with high tungsten content |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000336445A (en) * | 1999-05-26 | 2000-12-05 | Chokoon Zairyo Kenkyusho:Kk | High hardness nickel base sintered alloy excellent in wear resistance and its production |
| CN1424415A (en) * | 2002-12-26 | 2003-06-18 | 宝钢集团上海五钢有限公司 | Processing method for smelting nickel based alloy by arc furnace |
| CN1740357A (en) * | 2005-09-23 | 2006-03-01 | 北京工业大学 | Prepn process of high temperature superconductive Ni-W alloy |
| CN102329973A (en) * | 2011-09-21 | 2012-01-25 | 西安理工大学 | Preparation method for Ni-W alloy by using smelting method |
| CN103667793A (en) * | 2012-09-04 | 2014-03-26 | 西安思维金属材料有限公司 | Method for smelting large-sized titanium-nickel-based shape memory alloy ingot |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6468368B1 (en) * | 2000-03-20 | 2002-10-22 | Honeywell International, Inc. | High strength powder metallurgy nickel base alloy |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000336445A (en) * | 1999-05-26 | 2000-12-05 | Chokoon Zairyo Kenkyusho:Kk | High hardness nickel base sintered alloy excellent in wear resistance and its production |
| CN1424415A (en) * | 2002-12-26 | 2003-06-18 | 宝钢集团上海五钢有限公司 | Processing method for smelting nickel based alloy by arc furnace |
| CN1740357A (en) * | 2005-09-23 | 2006-03-01 | 北京工业大学 | Prepn process of high temperature superconductive Ni-W alloy |
| CN102329973A (en) * | 2011-09-21 | 2012-01-25 | 西安理工大学 | Preparation method for Ni-W alloy by using smelting method |
| CN103667793A (en) * | 2012-09-04 | 2014-03-26 | 西安思维金属材料有限公司 | Method for smelting large-sized titanium-nickel-based shape memory alloy ingot |
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