Non-Destructive Testing (NDT) of Unfired Glazes

Applying a glaze at the incorrect thickness will lead to expensive losses in production through faults such as pin-holing or by being aesthetically unappealing.   Most glazing faults are not identified until after the products have been fired; this leads to the highest cost losses because the items have completed most of the production process.

Many current techniques for measuring glaze thickness involve breaking random fired or green samples and manually measuring the glaze.  These haphazard practices only measure a few items and are mainly “post mortem”, time and labour intensive.  The tested items are also destroyed in the process.

We offer a consultancy service to improve how glaze thicknesses of ceramics are measured:

  • Assess and understand customer needs
  • Conduct a feasibility study
  • Provide potential customised solutions.

The customized solutions may involve a technology transfer from other industries. This could result in financial savings and increased productivity through reduced losses and earlier detection of faulty glaze thicknesses.

The procedure involves:

  • Evaluating client needs and the manufacturing facility
  • Identifying method/process improvements
  • Cost analysis improvements.

Finally, a report is provided with recommendations.

Obtaining the optimum glaze thickness measurement method can improve manufacturing output.

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