Chemical Analysis of Ceramics

Ceramics comes from the Greek word which means “Pottery”. A ceramic is an inorganic nonmetallic hard and brittle solid made up of metallic or nonmetallic compounds that have been shaped firstly and then hardened by heating to high temperatures.Traditional ceramics are clay-based, but high-performance or advanced ceramics are being manufactured from a far wider range of inorganic non-metal materials. Advanced ceramics have the features of high strength, high hardness, high durability and high toughness.The clay-based domestic wares, art objects, and building products are familiar to us all, but pottery is just one part of the ceramic world. Nowadays the term ‘ceramic’ has a more expansive meaning and includes materials like glass, advanced ceramics, and some cement systems as well.

Different kinds of Ceramics

  1. Traditional ceramics
  2. Advanced Ceramics

 

Traditional Ceramics:

Traditional Ceramics are clay based ceramics. Traditional Ceramics are of following types:

  1. Earthenware
  2. Stoneware
  3. Porcelain
  4. Bone china

Advanced Ceramics:

Advanced ceramics are not clay based ceramics. These Ceramics are based on oxides or non-oxides or its mixture.

  • Typical oxides used are alumina (Al2O3) and zirconia
    (ZrO2
  • Non-oxides are often carbides, borides, nitrides and silicides, for example, boron carbide (B4C), silicon carbide (SiC) and molybdenum disilicide (MoSi2 )

Chemical Analysis of Ceramics:

Chemical labs are used to analyze the ceramic materials for different purposes. The laboratory is used to determine the chemical phase change, silicate measurements, it’s manufacturing etc. Chemical Analysis under stylistic approach focuses primarily on observable qualities of ceramics that reflect the ceramics culture and individual choices in function and aesthetics. Chemical analysis has diverse objectives and methodologies. It provides a wide range of information about the ceramics like what material is used in it’s making, the source of that material and the Provence of that material.

Ceramic materials are engineered to be lightweight, wear, chemical and heat resistant.  This makes them ideal for parts subjected to harsh environments where traditional metals and polymers would not endure, including aerospace components, implantable medical devices, electronics and power generation/transmission equipment.

Ceramics vary widely in chemistry, functioning, and shape. Different tests and characterization methods are tailored for each component. Following tests are analyzed in chemical laboratories for advanced ceramics.

1.Alumina (Al2O3)

2.Boron Carbide (B4C)

3.Boron Nitride (BN)

4.Chrome Oxide (Cr2O3)

5.Magnesium Oxide (MgO)

6.Silica (SiO2)

7.Titanium Dioxide (TiO2)

8.Zinc Oxide (ZnO)

9.Zirconia (ZrO2)

10.Mixtures (eg. Silica/alumina or silica/alumina/zirconia)

The medical device industry is also searching new, effective ways to utilize ceramics to improve device durability and biocompatibility, which in turn help with patient longevity and quality of life. Due to the fact these materials are implanted in the human body, ceramic testing is critical to ensure patient safety.

 

Ceramic coatings on medical devices extend the life of orthopedic implants and also allow them to be more easily integrated into the body with coatings such as Hydroxyapatite.chemical labs are responsible for all such new inventions and discoveries.

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