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High Temperature Atmosphere Reaction and Heat Treatment Test to Support Evaluation of Catalysts

As a distinctive feature of this furnace, testing under a diverse range of atmospheres is possible.

Main features of multi-function heat treatment furnaces

  • in addition to pure gases, Heat treatment testing is also possible under various mixed gas atmospheres.(Please inquire regarding available gas species and other test conditions.)
  • Heating up to 1600℃ is possible; crucible melting is also available.
  • Temperature variations are extremely slight, enabling stable heat treatment.
  • Observation of the condition in the furnace during treatment is also possible.

Overview of multi-function heat treatment furnace

  • Available atmospheres

    • Air, nitrogen (N2), argon (Ar), carbon monoxide(Co), ammonia (NH3), hydrogen gas (H2), vacuum (basic specifications).
    • Can also respond to a diverse range of other requirements, including inert, reducing, and oxidizing atmospheres, etc.
  • Large capacity

    • Effective volume of heated part: 250 mm × 250 mm × 250 mm
      (Treatment of A4 size and other large-scale specimens and parts is also possible.)
  • High temperature

    • Max. temperature: 1600℃
    • High temperature treatment (melting) of ferrous, nonferrous, and other materials is possible.
    • Addition/sampling during treatment is possible by using the furnace-top opening.
  • Inside observation during treatment

    • Furnace has sight glasses on the top and side, enabling observation of the condition in the furnace during treatment.

Example of heat treatment test

Heat Treatment Testing of Various Materials/Parts

As a distinctive feature of this furnace, testing under a diverse range of atmospheres is possible. Taking advantage of this feature, heat treatment testing can be performed under a wide range conditions.

  • Example of test condition
    Atmosphere Temparature Material
    N2 atmosphere 800℃ metal plates
    H2 atmosphere 1100℃ metal parts
    N2 + CO2 + water vapor mixed gas 1000℃ steel

    Actual examples

    • Steam oxidation test of steel
    • Reduction test of oxide powder
    • Decarburization test of steel
    • Heat treatment test of metal plates, etc.

Measurement of High Temperature Behavior

    • Measurement and observation of high temperature deformation, reaction, and melting behavior, etc. is possible by using the furnace observation windows.
      When placed in a high temperature atmosphere, materials undergo various types of deformation, such as swelling, softening, melting, etc. The material shape also changes as a result of reaction with the atmosphere gas (e.g., oxidation, carburization, nitriding, etc.).
      When placed in contact with a different material, phenomena such as bonding, reaction, sintering, etc. may also occur between the two materials.
    • Using JFE-TEC's facilities, it is possible to reproduce actual service conditions (atmosphere, temperature) and investigate material deformation and the progress of reaction behavior.

Measurement and visual observation of dimensional and weight changes are also possible.

  • In addition to the heat treatment furnace described above, JFE-TEC also has a tube furnace which can be selected depending on the purpose of testing. This facility enables not only comparison of the specimen appearance, dimensions, and weight before/after high temperature treatment, but also measurement of dimensional and weight changes during the high temperature test.

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