Metallography

Optical Microscopy

• Microstructure
  

• Grain Size

  • Comparison

  • Abrams 3-circle

  • Intercept,

  • McQuaid
    

• Micro-cleanliness

• Image Analysis

• Microscopic Measurements
  

• Surface Analysis

  • Intergranular Attack

  • Alloy Depletion

  • High Temperature Oxidation  

• Inclusion Rating

• Case Depth and Decarburization Evaluations

• Non-Conventional Machining Evaluations

  1. EDM

  2. LBMR

  3. ECM

• Coating Analysis and Thickness

• Circuit Board and Microelectronic Analysis

Macroscopic Evaluations

• Dimensional Assessment
  

• Image Analysis

• Photo-documentation
  

• Weld & Braze Evaluation

Hardness

• Microhardness- Vickers, Knoop, Case Depth
  

• Macrohardness- Rockwell, Brinell, Superficial

• Barcol- Aluminum
  

• Field/Portable Hardness- Leeb (Equotip)
  

• Shore Durometer- Rubber  
  

• A90 Zinc- Coating Weight

• A262 Stainless Steel Intergranular Attack

• G28 Nickel-Rich Cr-bearing Intergranular Attack

• G48 Pitting/Crevice Corrosion