ZEISS Calotte Grinding Workflow

From the Solutions Lab for Coatings, Films & Surfaces

Calotte grinding is used to determine the wear resistance of films and surfaces. A ball (usually steel) of a precisely measured diameter is wetted with abrasive fluid and then rotated against the specimen, grinding a calotte (spherical segment) in the surface. The wear coefficient can be calculated from the calotte volume (vs time), but ZEISS microscopy can also use images of this type to measure coating/film thickness if the calotte is ground entirely through the coating layer(s) of interest.

To streamline this process, we created a workflow to allow for manual fine-tuning that ensures accuracy in finding layer thickness measurements.

This type of customizable analysis allows for lean reporting and only includes information of interest.

Calotte grinding is used to determine the wear resistance of films and surfaces. A ball (usually steel) of a precisely measured diameter is wetted with abrasive fluid and then rotated against the specimen, grinding a calotte (spherical segment) in the surface. The wear coefficient can be calculated from the calotte volume (vs time), but ZEISS microscopy can also use images of this type to measure coating/film thickness if the calotte is ground entirely through the coating layer(s) of interest.

To streamline this process, we created a workflow to allow for manual fine-tuning that ensures accuracy in finding layer thickness measurements.

This type of customizable analysis allows for lean reporting and only includes information of interest.

Highlights

Area of Research:

  • Metals
  • Metallurgy
  • Materials science
  • Industrial R&D

Sample Types:

  • Films and surfaces
  • Coating layers

Related Solutions:

  • Layer thickness measurement
  • Microhardness workflow
  • Point counting workflow
  • Dendrite arm spacing  
Calotte grinding to determine the wear resistance of films and surfaces
Calotte grinding to determine the wear resistance of films and surfaces

Workflow

The module workflow consists of a number of steps:

  1. Image acquisition
  2. Manual alignment of circle annotations to ensure analysis completed on regions of interest
  3. Ability to perform analysis on several calotte grinding marks and accumulate both single and multi-layer thickness measurements in a single run-through
  4. Complete reporting of individual measurements and overview statistics

Required components

  • ZEISS Axio Scan
  • ZEISS Calotte Grinding Workflow
  • ZEN
  • ZEN Image Analysis

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