CN114635061A - Nickel-based alloy, floating seal ring, engineering machine and manufacturing method of floating seal ring - Google Patents
Nickel-based alloy, floating seal ring, engineering machine and manufacturing method of floating seal ring Download PDFInfo
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- CN114635061A CN114635061A CN202210266964.5A CN202210266964A CN114635061A CN 114635061 A CN114635061 A CN 114635061A CN 202210266964 A CN202210266964 A CN 202210266964A CN 114635061 A CN114635061 A CN 114635061A
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 239000000956 alloy Substances 0.000 title claims abstract description 65
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 50
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000012535 impurity Substances 0.000 claims abstract description 13
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 229910052796 boron Inorganic materials 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 26
- 230000007797 corrosion Effects 0.000 abstract description 26
- 239000003513 alkali Substances 0.000 abstract description 8
- 239000002689 soil Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000011651 chromium Substances 0.000 description 11
- 238000005299 abrasion Methods 0.000 description 9
- 239000002585 base Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 229910000990 Ni alloy Inorganic materials 0.000 description 6
- 238000000227 grinding Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Images
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/04—Centrifugal casting; Casting by using centrifugal force of shallow solid or hollow bodies, e.g. wheels or rings, in moulds rotating around their axis of symmetry
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
- B22D31/002—Cleaning, working on castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3496—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member use of special materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/38—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member sealed by a packing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention provides a nickel-based alloy, a floating seal ring, engineering machinery and a manufacturing method of the floating seal ring, wherein the nickel-based alloy comprises the following components in percentage by weight: 0.6 to 1.0 percent of C, 3.75 to 5.5 percent of Si, 12.0 to 15.0 percent of Cr, 2.3 to 2.9 percent of B, 2.0 to 5.5 percent of Fe, and the balance of Ni and inevitable impurities. The floating seal ring is made of the nickel-based alloy. The nickel-based alloy provided by the invention has higher hardness, more excellent wear resistance and higher corrosion resistance, so that the floating seal ring made of the nickel-based alloy can better meet the use requirements under severe corrosion working conditions such as saline-alkali soil or shallow sea, and the defect that the performance of the material of the floating seal ring in the prior art is not enough to meet the severe corrosion working conditions is overcome.
Description
Technical Field
The invention relates to the technical field of alloy materials, in particular to a nickel-based alloy, a floating seal ring, engineering machinery and a manufacturing method of the floating seal ring.
Background
The floating oil seal belongs to one kind of mechanical seal in dynamic seal, has the advantages of wear resistance, automatic compensation after end surface abrasion, reliable work, simple structure and the like, and is mainly applied to occasions with low speed and heavy load. As shown in fig. 1, the floating oil seal is composed of two floating seal rings 100 and two O-rings 200, and its sealing principle is: the O-shaped sealing ring 200 forms a closed space with the inner cavity of the floating seal seat under the support of the floating seal rings 100, and the sealing end surfaces of the two floating seal rings 100 are tightly matched and relatively slide during rotation so as to realize sealing.
In the prior art, many floating seal rings are made of nickel alloy materials such as high nickel alloy, nickel-chromium alloy cast iron and the like. However, under severe corrosion conditions such as saline-alkali soil or shallow sea, the existing nickel alloy material still has insufficient performances such as wear resistance and corrosion resistance, and the service life of the floating seal ring is short.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the performance of the material of the floating seal ring in the prior art is not enough to cope with the harsh corrosion working condition, so that the invention provides the nickel-based alloy, the floating seal ring, the engineering machinery and the manufacturing method of the floating seal ring.
In order to solve the above problems, the present invention provides a nickel-based alloy comprising, in weight percent: 0.6 to 1.0 percent of C, 3.75 to 5.5 percent of Si, 12.0 to 15.0 percent of Cr, 2.3 to 2.9 percent of B, 2.0 to 5.5 percent of Fe, and the balance of Ni and inevitable impurities.
In the nickel-based alloy, Ni is the most constituent element, has the characteristics of corrosion resistance, high hardness, low friction coefficient and the like, can form a solid solution strengthening phase with elements such as Si, Fe, Cr and the like, and improves the hardness of the nickel-based alloy; si can generate a quite stable oxide film on the surface of Ni, so that the nickel-based alloy has higher stress corrosion resistance and pitting corrosion resistance, excellent formability and good high-temperature brittleness resistance; cr endows Ni with corrosion resistance under an oxidation condition and oxidation resistance and vulcanization resistance at high temperature; b can form a plurality of borides with high microhardness, so that the hardness and the wear resistance of the nickel-based alloy are enhanced; fe can be mutually dissolved with Ni to replace part of Ni, so that the cost is reduced, and meanwhile, the Fe and the Ni form a solid solution to enhance the hardness and the wear resistance of the alloy; c, Cr, Fe and other elements form carbide with high hardness and good wear resistance, and the content of C can play a role of strengthening to the maximum extent only when the C is optimally matched with Cr and Fe. It should be emphasized that, when the content of C exceeds 1%, C precipitation is likely to occur, which makes the nickel-base alloy highly brittle, and further, the nickel-base alloy is likely to be broken and has a short service life.
According to the invention, through the coordination effect among the components of C, Si, Cr, B, Fe and Ni with the contents, the performance of the nickel-based alloy is improved, and the prepared nickel-based alloy has higher hardness, more excellent wear resistance and higher corrosion resistance, and can better adapt to the use requirements under severe corrosion working conditions of saline-alkali soil or shallow sea and the like.
The weight percentage of C in the nickel-base alloy according to the invention is 0.6% to 1.0%, such as 0.6%, 0.7%, 0.8%, 0.9% or 1%, but is not limited to the recited values, and other values not recited in this range are equally applicable.
The weight percentage of Si in the nickel-base alloy of the present invention is 3.75% to 5.5%, such as 3.75%, 4%, 4.25%, 4.5%, 4.75%, 5%, 5.25%, 5.5%, or 5.75%, but is not limited to the recited values, and other values not recited within the range are also applicable.
The weight percentage of Cr in the nickel-base alloy according to the invention is 12.0% to 15.0%, such as 12.0%, 12.5%, 13.0%, 13.5%, 14.0%, 14.5% or 15.0%, but is not limited to the recited values, and other values not recited in this range are equally applicable.
The weight percentage of B in the nickel-base alloy according to the invention is 2.3% to 2.9%, such as 2.3%, 2.4%, 2.5%, 2.6%, 2.7%, 2.8% or 2.9%, etc., but is not limited to the recited values, and other values not recited in this range are equally applicable.
The weight percentage of Fe in the nickel-base alloy of the present invention is 2.0% to 5.5%, such as 2.0%, 2.5%, 3.0%, 3.5%, 4.0%, 4.5%, 5.0%, or 5.5%, but is not limited to the recited values, and other values not recited within the range of values are equally applicable.
Preferably, the nickel-based alloy comprises, in weight percent: 0.7-0.9% of C, 4-5.3% of Si, 13.0-15.0% of Cr, 2.3-2.8% of B, 2.5-5.2% of Fe, and the balance of Ni and inevitable impurities.
Further, the impurity comprises P element, and the content of the P element in the nickel-based alloy is less than 0.1 percent in percentage by weight.
By controlling the content of P to be less than 0.1%, the nickel-based alloy can be ensured to have good thermodynamic stability and lower brittleness.
Further, the impurities comprise S element, and the content of the S element in the nickel-based alloy is less than 0.1 percent in percentage by weight.
By controlling the content of S to be less than 0.1%, the nickel-based alloy can be ensured to have good oxidation resistance and vulcanization resistance.
The invention also provides a floating seal ring which is made of the nickel-based alloy.
The hardness of the floating seal ring can reach 60HRC-65HRC, and compared with the prior art, the abrasion loss measured under the same condition is greatly reduced, and the abrasion resistance is more excellent; the service life under the severe corrosion working condition can reach more than 7000h, and the corrosion resistance is higher.
The invention also provides a floating oil seal which comprises a floating seal ring and a sealing ring. The floating seal ring is the floating seal ring, and the sealing ring is sleeved on the periphery of the floating seal ring.
The invention also provides engineering machinery comprising the floating oil seal.
The engineering machinery can be an excavator, a crane, a pump truck, a bulldozer or a loader and the like.
The invention also provides a manufacturing method of the floating seal ring, which comprises the following steps:
s10, preparing raw materials according to the components of the nickel-based alloy;
s20, mixing and melting the raw materials to obtain a nickel-based alloy material;
and S30, processing the nickel-based alloy material to obtain the floating seal ring.
Preferably, in step S20, after the raw materials are mixed, the raw materials are put into a medium-frequency induction furnace to be melted, and the tapping temperature is set to 1500-1580 ℃ to obtain the nickel-based alloy material.
The tapping temperature of the present invention is set to 1500 ℃ to 1580 ℃, for example, 1500 ℃, 1510 ℃, 1520 ℃, 1530 ℃, 1540 ℃, 1550 ℃, 1560 ℃, 1570 ℃ or 1580 ℃, but is not limited to the values listed, and other values not listed in the numerical range are also applicable.
Preferably, step S30 includes:
s31, pouring the nickel-based alloy material into a casting mold to obtain a floating seal ring blank;
s32, carrying out heat treatment on the floating seal ring blank;
and S33, machining the heat-treated floating seal ring blank to obtain the floating seal ring.
Further, in step S31, the nickel-based alloy material is poured into the casting mold by centrifugal casting or sand casting.
Further, in step S32, the floating seal ring blank is quenched and tempered to effectively improve the strength, toughness, fatigue strength, and the like of the floating seal ring blank.
Further, step S33 includes: s331, rough machining is conducted on the floating seal ring blank; s332, grinding the inner spherical surface of the floating seal ring blank, and grinding the end surface of the floating seal ring blank to obtain a semi-finished floating seal ring; and S333, cleaning and polishing the semi-finished product of the floating seal ring to obtain a finished product of the floating seal ring.
The invention has the following advantages:
1. compared with the common nickel alloy, the nickel-based alloy provided by the invention has higher hardness, more excellent wear resistance and higher corrosion resistance, and can better adapt to the use requirements under severe corrosion working conditions of saline-alkali soil, shallow sea and the like.
2. The invention provides a floating seal ring made of a novel nickel-based alloy, which has high hardness, excellent wear resistance and high corrosion resistance, and compared with the existing floating seal ring, the floating seal ring can better adapt to severe corrosion working conditions such as saline-alkali soil or shallow sea and the like, and has longer service life.
3. The invention provides a floating oil seal which comprises a floating seal ring made of novel nickel-based alloy and can better adapt to severe corrosion working conditions of saline-alkali soil, shallow sea and the like.
4. The invention provides an engineering machine, wherein a floating oil seal on the engineering machine comprises a floating seal ring made of novel nickel-based alloy, and the floating seal ring can better adapt to severe corrosion working conditions such as saline-alkali soil or shallow sea.
5. The invention provides a method for manufacturing a floating seal ring, which can manufacture the floating seal ring with high hardness, excellent wear resistance and high corrosion resistance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view showing a structure of a floating oil seal in the prior art;
FIG. 2 illustrates a principal flow diagram of a method of manufacturing a floating seal ring provided by the present invention;
fig. 3 shows a detailed flowchart of the manufacturing method of the floating seal ring provided by the invention.
Description of reference numerals:
100. a floating seal ring; 200. an O-shaped sealing ring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
The embodiment provides a nickel-based alloy, which comprises the following components in percentage by weight: 0.7% of C, 4% of Si, 13% of Cr, 2.3% of B, 2.5% of Fe, 77.5% of Ni and inevitable impurities.
The present embodiment also provides a floating seal ring made of the above nickel-based alloy, and referring to fig. 2 and 3, the manufacturing method of the floating seal ring is as follows:
s10, preparing the raw materials according to the weight percentage, wherein the raw materials comprise C, Si, Cr, B, Fe and Ni; in actual production, impurities P or S can be mixed in the raw materials, and the content of P or S is controlled to be less than 0.1%;
s20, after mixing the raw materials, putting the raw materials into a medium-frequency induction furnace for melting, and setting the discharging temperature to 1520 ℃ to obtain the nickel-based alloy material;
and S30, processing the nickel-based alloy material to obtain the floating seal ring.
Specifically, step S30 includes:
s31, pouring the nickel-based alloy material into a casting mold to obtain a floating seal ring blank;
s32, quenching and tempering the floating seal ring blank;
s331, roughly processing the floating seal ring blank subjected to heat treatment to cut more processing allowance;
s332, grinding the inner spherical surface of the floating seal ring blank, and grinding the end surface of the floating seal ring blank to meet the corresponding surface roughness requirement to obtain a semi-finished floating seal ring;
and S333, cleaning and polishing the semi-finished product of the floating seal ring to obtain a finished product of the floating seal ring.
Example 2
The embodiment provides a nickel-based alloy, which comprises the following components in percentage by weight: 0.9% of C, 5.3% of Si, 15% of Cr, 2.8% of B, 5.2% of Fe, 70.8% of Ni and inevitable impurities.
The present embodiment further provides a floating seal ring made of the nickel-based alloy, and a manufacturing method of the floating seal ring is the same as that of the first embodiment, and is not described herein again.
Comparative example
The present comparative example provides a prior art nickel alloy commonly used in the manufacture of a floating seal ring, comprising, in weight percent: 3.5% of C, 2% of Si, 16% of Cr, 1% of B, 20% of Ni, and the balance Fe and inevitable impurities.
The present comparative example also provides a floating seal ring made from the nickel alloy described above.
The floating seal rings obtained in examples 1 and 2 and comparative example were subjected to a hardness test and a running wear corrosion test.
The hardness test standard refers to GB/T230.1-2018, and the Rockwell hardness of the floating seal ring can be obtained according to the hardness test; the running-in abrasion corrosion test standard refers to JB/T8293-2014, and the abrasion loss of the sealing surface of the floating seal ring and the service life of the floating seal ring can be obtained according to the running-in abrasion corrosion test, wherein the service life of the floating seal ring can be calibrated according to the height drop abrasion value of the sealing surface of the floating seal ring. The test results are shown in table 1.
TABLE 1
From the results in table 1 it can be seen that:
1. the hardness of the floating seal rings in example 1 and example 2 is not lower than 64HRC, so that the higher hardness is maintained, and the comparative ratio is not reduced. The hardness is one of the important factors influencing the wear resistance, and if the hardness is high, the depth of pressing foreign objects into the surface of the material is shallow, so that the higher wear resistance is ensured;
2. the floating seal rings in the embodiment 1 and the embodiment 2 have the abrasion loss of only 0.05mm at most, and the abrasion loss is not lower than 67% compared with the comparative example, which shows that the floating seal rings made of the nickel-based alloy disclosed by the application have excellent wear resistance and corrosion resistance under the condition that the hardness values are not similar;
3. for the floating seal rings in the embodiment 1 and the embodiment 2, the service life is not less than 7400 hours, and compared with the comparative example, the service life is not increased by more than 76%, which further indicates that the floating seal ring made of the nickel-based alloy can better adapt to the use requirements under severe corrosion conditions such as saline-alkali soil or shallow sea.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the invention.
Claims (10)
1. A nickel-base alloy comprising, in weight percent: 0.6 to 1.0 percent of C, 3.75 to 5.5 percent of Si, 12.0 to 15.0 percent of Cr, 2.3 to 2.9 percent of B, 2.0 to 5.5 percent of Fe, and the balance of Ni and inevitable impurities.
2. The nickel-base alloy of claim 1, wherein the nickel-base alloy comprises, in weight percent: 0.7-0.9% of C, 4-5.3% of Si, 13.0-15.0% of Cr, 2.3-2.8% of B, 2.5-5.2% of Fe, and the balance of Ni and inevitable impurities.
3. Nickel-base alloy according to claim 1 or 2, characterized in that said impurities comprise the element P, the content of which in said nickel-base alloy is less than 0.1% in weight percent.
4. Nickel-base alloy according to claim 1 or 2, characterized in that the impurities comprise the element S in a content of less than 0.1% by weight in the nickel-base alloy.
5. A floating seal ring, characterized by being made of a nickel-based alloy according to any one of claims 1 to 4.
6. A floating oil seal, comprising:
a floating seal ring according to claim 5;
and the sealing ring is sleeved on the periphery of the floating seal ring.
7. A working machine comprising the floating oil seal according to claim 6.
8. A manufacturing method of a floating seal ring is characterized by comprising the following steps:
s10, preparing each raw material according to the components of the nickel-base alloy as set forth in any one of claims 1-4;
s20, mixing and melting the raw materials to obtain a nickel-based alloy material;
and S30, processing the nickel-based alloy material to obtain the floating seal ring.
9. The method for manufacturing the floating seal ring according to claim 8, wherein in the step S20, after the raw materials are mixed, the raw materials are put into a medium-frequency induction furnace to be melted, and the tapping temperature is set to 1500-1580 ℃ to obtain the nickel-based alloy material.
10. The method for manufacturing a floating seal ring according to claim 8 or 9, wherein the step S30 includes:
s31, pouring the nickel-based alloy material into a casting mold to obtain a floating seal ring blank;
s32, performing heat treatment on the floating seal ring blank;
and S33, machining the heat-treated floating seal ring blank to obtain the floating seal ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210266964.5A CN114635061A (en) | 2022-03-17 | 2022-03-17 | Nickel-based alloy, floating seal ring, engineering machine and manufacturing method of floating seal ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210266964.5A CN114635061A (en) | 2022-03-17 | 2022-03-17 | Nickel-based alloy, floating seal ring, engineering machine and manufacturing method of floating seal ring |
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| CN114635061A true CN114635061A (en) | 2022-06-17 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0921467A (en) * | 1995-07-10 | 1997-01-21 | Toshiba Corp | Valve and its manufacture |
| JPH10193418A (en) * | 1997-01-10 | 1998-07-28 | Japan Steel Works Ltd:The | Cylinder apparatus for resin processing machine |
| CN107267809A (en) * | 2017-05-18 | 2017-10-20 | 苏州艾盾合金材料有限公司 | A kind of nickel-base alloy twin-screw Integral alloy bushing and preparation method thereof |
| CN108889949A (en) * | 2018-08-28 | 2018-11-27 | 吉林大学 | A kind of 3D printing manufacturing method of mold component |
| CN109913783A (en) * | 2017-12-12 | 2019-06-21 | 绍兴美衡德金属制品有限公司 | A kind of hot dip coating method for nickel base antifriction anticorrosion alloy |
| CN113061780A (en) * | 2021-03-16 | 2021-07-02 | 河北光德精密机械股份有限公司 | High-temperature-resistant nickel-based alloy glass mold opening die material and preparation method thereof |
-
2022
- 2022-03-17 CN CN202210266964.5A patent/CN114635061A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0921467A (en) * | 1995-07-10 | 1997-01-21 | Toshiba Corp | Valve and its manufacture |
| JPH10193418A (en) * | 1997-01-10 | 1998-07-28 | Japan Steel Works Ltd:The | Cylinder apparatus for resin processing machine |
| CN107267809A (en) * | 2017-05-18 | 2017-10-20 | 苏州艾盾合金材料有限公司 | A kind of nickel-base alloy twin-screw Integral alloy bushing and preparation method thereof |
| CN109913783A (en) * | 2017-12-12 | 2019-06-21 | 绍兴美衡德金属制品有限公司 | A kind of hot dip coating method for nickel base antifriction anticorrosion alloy |
| CN108889949A (en) * | 2018-08-28 | 2018-11-27 | 吉林大学 | A kind of 3D printing manufacturing method of mold component |
| CN113061780A (en) * | 2021-03-16 | 2021-07-02 | 河北光德精密机械股份有限公司 | High-temperature-resistant nickel-based alloy glass mold opening die material and preparation method thereof |
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