Metallurgical Failure Analysis, Mark Douglas Bell, PE, Consulting Metallurgical Engineer, San Diego, California, USA Bell Metallurgy
Metallurgical Failure Analysis
3568 Caminito El Rincon, #93
San Diego, California, 92130
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209 367-1398 - Email:

Mark Douglas Bell, PE
Consulting Metallurgical Engineer


Metallurgy is the art and science of the preparation and application of metals and their alloys. Bell Metallurgy uses the principals of physical metallurgy for improving the use of engineering alloys by the following methods:

Materials Selection Heat Treating alloys of:
  • Steels and tool steels
  • Stainless steel
  • Cast iron
  • Aluminum
  • Nickel and high alloys
  • Titanium
  • Copper
Mechanical testing and nondestructive testing (NDT)
  • Visual Inspection (VT)
  • Magnetic Particle (MT)
  • Liquid Penetrant (PT)
  • Ultrasonic Testing (UT)
  • Radiography Testing (RT)
Failure Analysis
Welding and joining
Wear and tribology


The tools used are metallurgical microscope, called a metallograph.

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Installed September 26, 2009, Last Revised July 1, 2020 - Hosted and maintained by Don Robertson