CN112725701A - Material for air film sealing member - Google Patents
Material for air film sealing member Download PDFInfo
- Publication number
- CN112725701A CN112725701A CN202011607778.0A CN202011607778A CN112725701A CN 112725701 A CN112725701 A CN 112725701A CN 202011607778 A CN202011607778 A CN 202011607778A CN 112725701 A CN112725701 A CN 112725701A
- Authority
- CN
- China
- Prior art keywords
- resistant steel
- temperature resistant
- film sealing
- temperature
- sealing element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating With Molten Metal (AREA)
Abstract
The material for the air film sealing element relates to a material for manufacturing the air film sealing element in aviation, aerospace and ship engines. The invention mainly aims to solve the problems of low material rigidity, poor corrosion resistance and high-temperature oxidation resistance and the like of the existing gas film sealing element. The material is obtained by brush plating ceramic alloy on the surface of high-temperature resistant steel; the high-temperature resistant steel comprises the following components in percentage by mass: 0.4% of C, 44.7% of Si, 6.76% of Ni, 1.02% of Mo, 1.05% of W, 0.56% of Ti, 4.73% of Pb and the balance of Fe. The components and quality of the ceramic-plated alloyThe weight percentage is as follows: al (Al)2O322% of SiO224% of B2O314% of iron and the balance of iron. Evenly coating ceramic alloy powder on the high-temperature resistant steel and then firing the high-temperature resistant steel in a vacuum furnace at high temperature. Its advantages are high rigidity, high anticorrosion and high-temp oxidizing resistance.
Description
The technical field is as follows:
the invention relates to a material for manufacturing a gas film sealing element in an aviation, aerospace and ship engine.
Background art:
in the 21 st century, countries in the world strive for the development of energy and power industry, and the top technology is aerospace and navigation technology. The most important of them are aeroengines, space engines and ship power. Sealing is an important link in the above technological development, and can be said to be the most critical technology.
The existing gas film sealing element is made of high-hardness alloy with the Si content of less than 20 percent, and the problems of low rigidity, poor corrosion resistance, poor high-temperature oxidation resistance and the like generally exist.
The invention content is as follows:
the invention aims to solve the technical problem of providing a material for a gas film sealing element, which has high rigidity and good corrosion resistance and high-temperature oxidation resistance.
The above object is achieved by: the material is obtained by brush plating ceramic alloy on the surface of high-temperature resistant steel;
the high-temperature-resistant steel is composed of C, Si, Ni, Mo, W, Ti, Pb and Fe, wherein the mass percentages of the components are as follows: 0.4% of C, 44.7% of Si, 6.76% of Ni, 1.02% of Mo, 1.05% of W, 0.56% of Ti, 4.73% of Pb and the balance of Fe.
The high temperature resistant steel is smelted by a high temperature (above 1800 ℃) vacuum converter.
The plating ceramic alloy comprises the following components in percentage by mass: al (Al)2O322% of SiO224% of B2O314% of iron and the balance of iron.
Ceramic alloy powder is evenly coated on the high-temperature resistant steel and then the high-temperature resistant steel is fired in a vacuum furnace at the temperature of 1100-1500 ℃.
The invention has the advantages that: the gas film sealing element made of the material has high rigidity, good corrosion resistance and high-temperature oxidation resistance, jade-like thermal stability, long service life, strong product durability and basically no abrasion.
The specific implementation mode is as follows:
the material is obtained by brush plating ceramic alloy on the surface of high-temperature resistant steel;
the high-temperature-resistant steel is composed of C, Si, Ni, Mo, W, Ti, Pb and Fe, wherein the mass percentages of the components are as follows: 0.4% of C, 44.7% of Si, 6.76% of Ni, 1.02% of Mo, 1.05% of W, 0.56% of Ti, 4.73% of Pb and the balance of Fe.
The high temperature resistant steel is smelted by a high temperature (above 1800 ℃) vacuum converter.
The plating ceramic alloy comprises the following components in percentage by mass: al (Al)2O322% of SiO224% of B2O314% of iron and the balance of iron.
Ceramic alloy powder is evenly coated on the high-temperature resistant steel and then the high-temperature resistant steel is fired in a vacuum furnace at the temperature of 1100-1500 ℃.
The performance parameters of the material are as follows:
density: about 8.1; tensile strength: 50.5 Kg; the compressive strength is 73 Kg; the expansion coefficient is 1.1 x 10 < -5 >/DEG C.
Claims (1)
1. The material for the air film sealing element is characterized in that: is obtained by brush plating ceramic alloy on the surface of high temperature resistant steel;
the high-temperature-resistant steel is composed of C, Si, Ni, Mo, W, Ti, Pb and Fe, wherein the mass percentages of the components are as follows: 0.4% of C, 44.7% of Si, 6.76% of Ni, 1.02% of Mo, 1.05% of W, 0.56% of Ti, 4.73% of Pb and the balance of Fe;
the plating ceramic alloy comprises the following components in percentage by mass: al (Al)2O322% of SiO224% of B2O314 percent of iron and the balance of iron;
evenly coating ceramic alloy powder on the high-temperature resistant steel and then firing the high-temperature resistant steel in a vacuum furnace at high temperature.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011607778.0A CN112725701A (en) | 2020-12-30 | 2020-12-30 | Material for air film sealing member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011607778.0A CN112725701A (en) | 2020-12-30 | 2020-12-30 | Material for air film sealing member |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112725701A true CN112725701A (en) | 2021-04-30 |
Family
ID=75610719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011607778.0A Pending CN112725701A (en) | 2020-12-30 | 2020-12-30 | Material for air film sealing member |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112725701A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1827795A (en) * | 2004-03-01 | 2006-09-06 | 株式会社小松制作所 | Ferrous seal sliding parts and producing method thereof |
CN106977100A (en) * | 2017-05-04 | 2017-07-25 | 钦州学院 | The good frit for porcelain enamel with steel plate adherence |
-
2020
- 2020-12-30 CN CN202011607778.0A patent/CN112725701A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1827795A (en) * | 2004-03-01 | 2006-09-06 | 株式会社小松制作所 | Ferrous seal sliding parts and producing method thereof |
CN106977100A (en) * | 2017-05-04 | 2017-07-25 | 钦州学院 | The good frit for porcelain enamel with steel plate adherence |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210430 |
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RJ01 | Rejection of invention patent application after publication |