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  1. #1

    Essential Applications of Ceramic Materials

    Those materials which retain their strength at high temperature are known as Refractories. These materials require special heating techniques to ensure their defined structure and mechanical strength. These materials are heated until they have the capabilities to avoid damage due to spalling and thermal shock resistance.

    Property of Refraction used in the Metallurgy:
    Refraction is a property of metals to withstand heat. This is very essential property of ceramics used in the metallurgy. Metals with a high degree of refraction are referred to as refractories.

    Two essential properties of refractory Metals:

    • High melting points
    • Strong inter-molecular forces.

    Very high amount of energy are required to overcome the strong intermolecular forces between these Ceramics. Today, the iron & steel-industry along with other High Density Metal uses approximately 70% of all refractories produced. Refractory materials are used in linings for furnaces, incinerators, reactors and kilns. Crucibles and moulds for casting glass and metals are also made of these ceramic materials. Surfacing flame deflector systems for rocket launch structures is also an essential application of these refractories.

    Different Types of Refractory Materials:
    One of the most essential properties of refractory materials is that they are chemically and physically stable at high temperatures. Refractories must also be an excellent Thermal Shock Resistant Material. They also should be chemically inert, with good coefficient of thermal expansion.

    The alumina, silica and magnesia are the most important type of ceramic materials used for manufacturing refractories.

    Let me know what you think...

  2. #2
    Junior Member
    Join Date
    Nov 2015
    Thanks for the post, Very informative.

  3. #3
    Junior Member
    Join Date
    Sep 2017
    The major periods of civilization, such as the Stone Age and Bronze Age, were named for the materials that dominated them, and it might seem surprising that there has never been a "Ceramics Age." Yet almost any age may have qualified for this title. Archeologists have found evidence of primitive manufacture that had ceramics back to around 24,000 BC, but those most modern of materials, the silicon chip and the catalytic converter, are also examples of ceramics. Today's era might as well be called ceramics age.

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