Making And Shaping

Inspection And Testing

How advanced materials are measured, tested and identified.

Electron Microscopy of Coatings and Ceramics

What scanning and transmission electron microscopes reveal about grains, pores, layers and interfaces in ceramics and thin coatings, and how samples are prepared.

3 min read

Failure Analysis of Hard Materials

How investigators read fracture surfaces, from mirror and mist to hackle marks and origin flaws, to work out why a ceramic, carbide or composite part broke.

3 min read

Measuring Thermal Properties of Solids

How thermal diffusivity, heat capacity and conductivity of solids are measured, including the laser flash method, and why samples of the same material can differ.

3 min read

Raman Spectroscopy for Carbon Materials

How Raman spectroscopy uses scattered laser light to tell diamond from graphite and amorphous carbon, and what peak position and width reveal about quality.

3 min read

Telling Lab-Grown Diamond From Natural Diamond

What gem and materials laboratories examine to separate lab-grown from natural diamond, including growth patterns, impurity type and fluorescence, and why instruments are needed.

3 min read

Wear Testing and Tribology Basics

An introduction to tribology and the common laboratory setups, including pin-on-disc and reciprocating tests, used to measure friction and material loss.

3 min read

X-Ray Diffraction for Crystal Structure

How X-ray diffraction patterns identify crystalline phases and reveal crystal quality, grain size and strain in ceramics, coatings and carbon materials.

3 min read

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