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Thermal Spray Metallography for the 21st Century

Sectioning – Lessond Learned

  • Abrasive Wheels-ultrathin abrasive blades are superior to standard production wheels.
  • Diamond Wafering Blades-are the best universal blades producing the least amount of sectioning damage.

Mounting – A Better Way

  • Compression Mounting-limited to non-friable, very low porosity metallic coatings.
  • Castable Epoxy Mounting-versatile for all types of coatings without introducing damage.
  • Vacuum Impregnation-useful for infiltrating open pores in coatings. Most effective when using castable epoxies with viscosity less than 500 cps.
  • Pressure Impregnation-produces maximum penetration of castable epoxies using pressure of 1500 psi.


The articles and presentations that can be down-loaded from this web site are based upon work done by GFV while employed at Bethlehem Steel (1967-1983), Carpenter Technology (1983-1996), Buehler Ltd. (1996-2009) and Struers (2009-Present) and from the authors consulting work for companies such as, Latrobe Steel, Scot Forge, etc., and from his litigation work. GFV's bylined articles appearing in various issues of the ASM Handbook series have been listed here courtesy of ASM International, Materials Park, Ohio.