CN112725701A - Material for air film sealing member - Google Patents

Material for air film sealing member Download PDF

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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
Application number
CN202011607778.0A
Other languages
Chinese (zh)
Inventor
张照曦
李秀艳
袁野
荣艳梁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liaoning Shuntong High End Equipment Technology Co ltd
Original Assignee
Liaoning Shuntong High End Equipment Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Liaoning Shuntong High End Equipment Technology Co ltd filed Critical Liaoning Shuntong High End Equipment Technology Co ltd
Priority to CN202011607778.0A priority Critical patent/CN112725701A/en
Publication of CN112725701A publication Critical patent/CN112725701A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • 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
    • 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

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  • 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

Material for air film sealing member
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.
CN202011607778.0A 2020-12-30 2020-12-30 Material for air film sealing member Pending CN112725701A (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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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Application publication date: 20210430

RJ01 Rejection of invention patent application after publication