Knowledge Bases

• Strain Gage Technology
• PhotoStress Technology

PhotoStress Knowledge Base

Contents The PhotoStress Knowledge Base is a compendium of technical information related to use of the Vishay Micro-Measurements PhotoStress Plus system for optical measurement and analysis of stresses/strains in test parts and structures.

Technology
• Introduction to the PhotoStress Method (TN-702)
• Calibration of Photoelastic Coatings (TN-701)
• Selecting Photoelastic Coatings (TN-704)
• Fringe-Order Corrections (TN-706)
• Principal Stress Separation (TN-708)

Application Techniques
• Casting and Contouring PhotoStress Sheets (IB-221)
• Bonding Flat and Contoured PhotoStress Sheets (IB-223)
• PhotoStress Separator Gage Installation (IB-237)
• Calibrating Low-Modulus Coatings (IB-238)
• Brushing on PhotoStress Coatings (IB-239)

Product Usage
Coatings & Adhesives
• Using PC-10 Adhesive IB-227
• Using PC-1 Adhesive IB-228
• Using PC-6 Adhesive IB-229
• Using PC-8 Adhesive IB-231
• Using PC-11 Adhesive IB-232
• Using PS-6 and PL-6 with PC-9 Adhesive IB-240
• Coating and Adhesive Selection
Liquid Plastics
• Mixing of PL-1 Liquid Plastic IB-233
• Mixing of PL-2 Liquid Plastic IB-234
• Mixing of PL-3 Liquid Plastic IB-235
• Mixing of PL-8 Liquid Plastic IB-236

Case Histories
• Assembly Stresses
• Residual Stresses
• Yielding
• Composite Materials
• Biomechanical Testing
• FEA Verification

Animated Demonstration
• PhotoStress in Action