CN105154698A - Preparation method of nickel-based high-temperature-resistant alloy material - Google Patents
Preparation method of nickel-based high-temperature-resistant alloy material Download PDFInfo
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- CN105154698A CN105154698A CN201510542974.7A CN201510542974A CN105154698A CN 105154698 A CN105154698 A CN 105154698A CN 201510542974 A CN201510542974 A CN 201510542974A CN 105154698 A CN105154698 A CN 105154698A
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Abstract
The invention discloses a preparation method of a nickel-based high-temperature-resistant alloy material. The material is prepared from the following powdery materials in parts by weight: 72-75 parts of nickel powder, 20-24 parts of iron powder, 5-8 parts of barium oxide, 3-7 parts of cobalt oxide, 4-9 parts of titanium silicide, 4-8 parts of micro wax powder, 4-8 parts of bismuth powder, 10-14 parts of quartz sand powder, 3-7 parts of molybdenum powder, 3-6 parts of glass fiber, 10-14 parts of tin powder, 2-5 parts of manganese sulfide powder and 3-6 parts of chromium powder. The preparation method of the material comprises mixing, pressing, sintering, shaping and oil impregnation treatment. Through adjustment and optimization of the components of the material, the nickel-based high-temperature-resistant alloy material provided by the invention has the advantages of high strength, high hardness and high-temperature thermal stability; and the raw materials are easy to obtain, the processing cost is low, the preparation process is simple, parameters are easy to control, the production process is safe and environment-friendly, and the material is suitable for large-scale industrial production.
Description
Technical field
The present invention relates to a kind of alloy material, particularly a kind of preparation method of Ni-based High-temperature resistant alloy material.
Background technology
Nickel base superalloy is most widely used in superalloy, that hot strength the is the highest class alloy, mainly for the manufacture of turbine blade, turning vane, the turbine disk, the high-temperature component such as hpc dish and combustion chamber of aviation, naval vessels and industrial gas turbine, also for the manufacture of the conversion equal energy source transfer equipment of aerospacecraft, rocket engine, nuclear reactor, petrochemical equipment and coal.Nickel-base alloy is most widely used in superalloy, that hot strength the is the highest class alloy, and nickel base superalloy has excellent resistance to high temperature oxidation and the performance of high temperature corrosion.Compared with iron-base superalloy, nickel base superalloy has good thermal conductivity, higher structure stability, can the more element of solid solution and do not produce harmful phase; Nickel base superalloy, compared with cobalt base alloy, has light specific gravity, price is low, intensity is high and the feature of good in oxidation resistance.In addition, nickel base superalloy also has excellent castability and high temperature endurance performance.Nickel base superalloy is by suitably regulating alloying constituent, alloy can be made not only to have the incomparable hot strength of cobalt base alloy, but also there is higher initial melting temperature, preferably cold-heat fatigue property, higher plasticity and toughness, higher anti-oxidant and erosion resistance, lower density, on a lot of parts of aircraft engine, application has special meaning.So far, although nickel-base alloy technology is greatly developed, a lot of problem is still had to exist, as fastness to rubbing, hardness, rustless property, corrosion resistance nature, high and low temperature resistance, fragility, toughness, cost etc. can not be taken into account, the requirement of production can't be met in a lot of occasion, also require further improvement, to enhance productivity, reduce costs, improve security, for high-quality precision and sophisticated technology development provides safeguard, for social development provides power, task is also very arduous.Therefore, provide a kind of there is high initial melting temperature, low density, the preparation method with the high temperature resistant nickel base alloy of good castability, good thermal fatigue property and higher high temperature oxidation resistance be the problem that the present invention needs solution badly.
Summary of the invention
For the deficiency that prior art exists, the technical problem to be solved in the present invention is, provides a kind of preparation method of Ni-based High-temperature resistant alloy material.
For solving the problems of the technologies described above, technical scheme of the present invention is, a kind of preparation method of Ni-based High-temperature resistant alloy material, and the method comprises following preparation process:
A, mixing: powder is placed in blending device, above-mentioned powder blows afloat by the high pressure gas utilizing pressure to be 0.8MPa, and stop after 3-5 minute passing into high pressure gas, each powder deposits and Homogeneous phase mixing jointly; B, compacting: the powder mixed is placed in mould, make type at 730 ~ 740MPa pressure and obtain pressed compact, and pressure is 4 ~ 6T/cm
2; C, sintering: pressed compact is placed in net strip sintering furnace and sinters, sinter in protective atmosphere, in sintering process, pressure is 7 MPas, pressed compact is first through the preheating zone of 900 DEG C, warm up time is 20 minutes, then enters the sintering zone of 1100-1130 DEG C, insulation 2h, finally with 40 DEG C/min, the product after pressure sintering is cooled to room temperature from sintering temperature, obtains sintered compact; D, shaping: sintered compact is suppressed shaping and obtains casting die; E, immersion oil: casting die is carried out immersion oil process in dip lubrication oil under vacuum tightness is for a negative normal atmosphere, and the immersion oil time is 30 minutes.
Described protective atmosphere is hydrogen or nitrogen.
Described powder is made up of the raw material of following weight: nickel powder 72-75 part, iron powder 20-24 part, barium oxide 5-8 part, cobalt oxide 3-7 part, titanium silicide 4-9 part, micro-wax powder 4-8 part, bismuth meal 4-8 part, quartz sand powder 10-14 part, molybdenum powder 3-7 part, glass fibre 3-6 part, glass putty 10-14 part, sulfuration manganese powder 2-5 part and chromium powder 3-6 part.
Described powder is made up of the raw material of following weight: nickel powder 72 parts, iron powder 20 parts, 5 parts, barium oxide, cobalt oxide 3 parts, titanium silicide 4 parts, 4 parts, micro-wax powder, bismuth meal 4 parts, quartz sand powder 10 parts, molybdenum powder 3 parts, 3 parts, glass fibre, glass putty 10 parts, sulfuration manganese powder 2 parts and chromium powder 3 parts.
Described powder is made up of the raw material of following weight: nickel powder 75 parts, iron powder 24 parts, 8 parts, barium oxide, cobalt oxide 7 parts, titanium silicide 9 parts, 8 parts, micro-wax powder, bismuth meal 8 parts, quartz sand powder 14 parts, molybdenum powder 7 parts, 6 parts, glass fibre, glass putty 14 parts, sulfuration manganese powder 5 parts and chromium powder 6 parts.
Described powder is made up of the raw material of following weight: nickel powder 73 parts, iron powder 22 parts, 7 parts, barium oxide, cobalt oxide 5 parts, titanium silicide 7 parts, 6 parts, micro-wax powder, bismuth meal 6 parts, quartz sand powder 12 parts, molybdenum powder 5 parts, 5 parts, glass fibre, glass putty 12 parts, sulfuration manganese powder 4 parts and chromium powder 4 parts.
the present invention has following beneficial effect:by to the adjustment of material composition and optimization, the invention provides Ni-based High-temperature resistant alloy material and there is more eager to do well in everything, hardness, and the advantage of high high-temp stability; And raw material is easy to get, tooling cost is low, preparation technology is simple, parameter is easily controlled, production process safety and environmental protection, is applicable to large-scale industrial production.
Embodiment
embodiment 1
A preparation method for Ni-based High-temperature resistant alloy material, the method comprises following preparation process:
A, mixing: powder is placed in blending device, above-mentioned powder blows afloat by the high pressure gas utilizing pressure to be 0.8MPa, and stop after 3-5 minute passing into high pressure gas, each powder deposits and Homogeneous phase mixing jointly; B, compacting: the powder mixed is placed in mould, make type at 730 ~ 740MPa pressure and obtain pressed compact, and pressure is 4 ~ 6T/cm
2; C, sintering: pressed compact is placed in net strip sintering furnace and sinters, sinter in protective atmosphere, in sintering process, pressure is 7 MPas, pressed compact is first through the preheating zone of 900 DEG C, warm up time is 20 minutes, then enters the sintering zone of 1100-1130 DEG C, insulation 2h, finally with 40 DEG C/min, the product after pressure sintering is cooled to room temperature from sintering temperature, obtains sintered compact; D, shaping: sintered compact is suppressed shaping and obtains casting die; E, immersion oil: casting die is carried out immersion oil process in dip lubrication oil under vacuum tightness is for a negative normal atmosphere, and the immersion oil time is 30 minutes.
Protective atmosphere is hydrogen or nitrogen.
Powder is made up of the raw material of following weight: nickel powder 72 parts, iron powder 20 parts, 5 parts, barium oxide, cobalt oxide 3 parts, titanium silicide 4 parts, 4 parts, micro-wax powder, bismuth meal 4 parts, quartz sand powder 10 parts, molybdenum powder 3 parts, 3 parts, glass fibre, glass putty 10 parts, sulfuration manganese powder 2 parts and chromium powder 3 parts.
embodiment 2
A preparation method for Ni-based High-temperature resistant alloy material, the method comprises following preparation process:
A, mixing: powder is placed in blending device, above-mentioned powder blows afloat by the high pressure gas utilizing pressure to be 0.8MPa, and stop after 3-5 minute passing into high pressure gas, each powder deposits and Homogeneous phase mixing jointly; B, compacting: the powder mixed is placed in mould, make type at 730 ~ 740MPa pressure and obtain pressed compact, and pressure is 4 ~ 6T/cm
2; C, sintering: pressed compact is placed in net strip sintering furnace and sinters, sinter in protective atmosphere, in sintering process, pressure is 7 MPas, pressed compact is first through the preheating zone of 900 DEG C, warm up time is 20 minutes, then enters the sintering zone of 1100-1130 DEG C, insulation 2h, finally with 40 DEG C/min, the product after pressure sintering is cooled to room temperature from sintering temperature, obtains sintered compact; D, shaping: sintered compact is suppressed shaping and obtains casting die; E, immersion oil: casting die is carried out immersion oil process in dip lubrication oil under vacuum tightness is for a negative normal atmosphere, and the immersion oil time is 30 minutes.
Protective atmosphere is hydrogen or nitrogen.
Powder is made up of the raw material of following weight: nickel powder 75 parts, iron powder 24 parts, 8 parts, barium oxide, cobalt oxide 7 parts, titanium silicide 9 parts, 8 parts, micro-wax powder, bismuth meal 8 parts, quartz sand powder 14 parts, molybdenum powder 7 parts, 6 parts, glass fibre, glass putty 14 parts, sulfuration manganese powder 5 parts and chromium powder 6 parts.
embodiment 3
A preparation method for Ni-based High-temperature resistant alloy material, the method comprises following preparation process:
A, mixing: powder is placed in blending device, above-mentioned powder blows afloat by the high pressure gas utilizing pressure to be 0.8MPa, and stop after 3-5 minute passing into high pressure gas, each powder deposits and Homogeneous phase mixing jointly; B, compacting: the powder mixed is placed in mould, make type at 730 ~ 740MPa pressure and obtain pressed compact, and pressure is 4 ~ 6T/cm
2; C, sintering: pressed compact is placed in net strip sintering furnace and sinters, sinter in protective atmosphere, in sintering process, pressure is 7 MPas, pressed compact is first through the preheating zone of 900 DEG C, warm up time is 20 minutes, then enters the sintering zone of 1100-1130 DEG C, insulation 2h, finally with 40 DEG C/min, the product after pressure sintering is cooled to room temperature from sintering temperature, obtains sintered compact; D, shaping: sintered compact is suppressed shaping and obtains casting die; E, immersion oil: casting die is carried out immersion oil process in dip lubrication oil under vacuum tightness is for a negative normal atmosphere, and the immersion oil time is 30 minutes.
Protective atmosphere is hydrogen or nitrogen.
Powder is made up of the raw material of following weight: nickel powder 73 parts, iron powder 22 parts, 7 parts, barium oxide, cobalt oxide 5 parts, titanium silicide 7 parts, 6 parts, micro-wax powder, bismuth meal 6 parts, quartz sand powder 12 parts, molybdenum powder 5 parts, 5 parts, glass fibre, glass putty 12 parts, sulfuration manganese powder 4 parts and chromium powder 4 parts.
Through detecting, the product of embodiment 1-3 has excellent enduring quality and tensile property.1100 DEG C/152MPa >150h lower creep rupture life; 980 DEG C/350MPa >100h lower creep rupture life.
Claims (6)
1. a preparation method for Ni-based High-temperature resistant alloy material, is characterized in that, the method comprises following preparation process:
A, mixing: powder is placed in blending device, above-mentioned powder blows afloat by the high pressure gas utilizing pressure to be 0.8MPa, and stop after 3-5 minute passing into high pressure gas, each powder deposits and Homogeneous phase mixing jointly; B, compacting: the powder mixed is placed in mould, make type at 730 ~ 740MPa pressure and obtain pressed compact, and pressure is 4 ~ 6T/cm
2; C, sintering: pressed compact is placed in net strip sintering furnace and sinters, sinter in protective atmosphere, in sintering process, pressure is 7 MPas, pressed compact is first through the preheating zone of 900 DEG C, warm up time is 20 minutes, then enters the sintering zone of 1100-1130 DEG C, insulation 2h, finally with 40 DEG C/min, the product after pressure sintering is cooled to room temperature from sintering temperature, obtains sintered compact; D, shaping: sintered compact is suppressed shaping and obtains casting die; E, immersion oil: casting die is carried out immersion oil process in dip lubrication oil under vacuum tightness is for a negative normal atmosphere, and the immersion oil time is 30 minutes.
2. the preparation method of a kind of Ni-based High-temperature resistant alloy material according to claim 1, is characterized in that: described protective atmosphere is hydrogen or nitrogen.
3. the preparation method of a kind of Ni-based High-temperature resistant alloy material according to claim 1, is characterized in that: described powder is made up of the raw material of following weight: nickel powder 72-75 part, iron powder 20-24 part, barium oxide 5-8 part, cobalt oxide 3-7 part, titanium silicide 4-9 part, micro-wax powder 4-8 part, bismuth meal 4-8 part, quartz sand powder 10-14 part, molybdenum powder 3-7 part, glass fibre 3-6 part, glass putty 10-14 part, sulfuration manganese powder 2-5 part and chromium powder 3-6 part.
4. the preparation method of a kind of Ni-based High-temperature resistant alloy material according to claim 3, is characterized in that: described powder is made up of the raw material of following weight: nickel powder 72 parts, iron powder 20 parts, 5 parts, barium oxide, cobalt oxide 3 parts, titanium silicide 4 parts, 4 parts, micro-wax powder, bismuth meal 4 parts, quartz sand powder 10 parts, molybdenum powder 3 parts, 3 parts, glass fibre, glass putty 10 parts, sulfuration manganese powder 2 parts and chromium powder 3 parts.
5. the preparation method of a kind of Ni-based High-temperature resistant alloy material according to claim 3, is characterized in that: described powder is made up of the raw material of following weight: nickel powder 75 parts, iron powder 24 parts, 8 parts, barium oxide, cobalt oxide 7 parts, titanium silicide 9 parts, 8 parts, micro-wax powder, bismuth meal 8 parts, quartz sand powder 14 parts, molybdenum powder 7 parts, 6 parts, glass fibre, glass putty 14 parts, sulfuration manganese powder 5 parts and chromium powder 6 parts.
6. the preparation method of a kind of Ni-based High-temperature resistant alloy material according to claim 3, is characterized in that: described powder is made up of the raw material of following weight: nickel powder 73 parts, iron powder 22 parts, 7 parts, barium oxide, cobalt oxide 5 parts, titanium silicide 7 parts, 6 parts, micro-wax powder, bismuth meal 6 parts, quartz sand powder 12 parts, molybdenum powder 5 parts, 5 parts, glass fibre, glass putty 12 parts, sulfuration manganese powder 4 parts and chromium powder 4 parts.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105671368A (en) * | 2016-03-18 | 2016-06-15 | 苏州莱特复合材料有限公司 | Silicon carbide particle enhanced nickel-based composite and preparation method thereof |
| CN108411160A (en) * | 2018-03-28 | 2018-08-17 | 清华大学 | Self-lubricating bearing and preparation method thereof with adaptive characteristic |
| CN111057907A (en) * | 2019-12-21 | 2020-04-24 | 江苏骏茂新材料科技有限公司 | Preparation method of nickel-based high-temperature-resistant alloy material |
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| CN104384496A (en) * | 2014-10-24 | 2015-03-04 | 苏州莱特复合材料有限公司 | Magnesium copper oxide base composite material and powder metallurgy preparation method thereof |
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- 2015-08-31 CN CN201510542974.7A patent/CN105154698A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104384496A (en) * | 2014-10-24 | 2015-03-04 | 苏州莱特复合材料有限公司 | Magnesium copper oxide base composite material and powder metallurgy preparation method thereof |
| CN104384502A (en) * | 2014-10-30 | 2015-03-04 | 苏州莱特复合材料有限公司 | Ferrum-based powder metallurgy antifriction material and preparation method thereof |
| CN104399967A (en) * | 2014-10-30 | 2015-03-11 | 苏州莱特复合材料有限公司 | Copper base powder metallurgy friction reducing material and preparing method of copper base powder metallurgy friction reducing material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105671368A (en) * | 2016-03-18 | 2016-06-15 | 苏州莱特复合材料有限公司 | Silicon carbide particle enhanced nickel-based composite and preparation method thereof |
| CN108411160A (en) * | 2018-03-28 | 2018-08-17 | 清华大学 | Self-lubricating bearing and preparation method thereof with adaptive characteristic |
| CN108411160B (en) * | 2018-03-28 | 2020-09-29 | 清华大学 | Self-lubricating bearing with self-adaptive characteristic and preparation method thereof |
| CN111057907A (en) * | 2019-12-21 | 2020-04-24 | 江苏骏茂新材料科技有限公司 | Preparation method of nickel-based high-temperature-resistant alloy material |
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