Workshop W65 - Strain Gages

Two Day

This Strain Gage Workshop is a hands-on program where each participant completes three gage installations using materials selected for suitability in a majority of test environments. Intended to develop proficiency in strain gage selection and installation, this program includes virtually all strain gage installation topics covered in the W62 program. Instrumentation topics are not included.

Topics include:

Strain Gage Characteristics
• Gage Factor
• Temperature Compensation
• Sensing Alloys
• Transverse Sensitivity
• Strain Limits
• Fatigue Endurance

Installation Techniques
• Surface Preparation
• Adhesive Selection
• Gage Installation Procedures and Check-Out
• Leadwire Attachment
• Protective Coatings

Gage Installations with Epoxy, Epoxy-Phenolic, and Cyanoacrylate Adhesives
• Room-Temperature Installation
• Handling Heat-Curing Adhesives
• Clamping Techniques
• Leadwire Attachment
• Protective Coatings
• Measuring Strain Level

Special Gage Installation Techniques for Measurement Over Wide Temperature Ranges
• Gage Selection
• Gage Performance Characteristics
• Temperature Effects
• Leadwire Selection and Attachment
• Protective Coating Systems

Strain Gage Circuitry
• Quarter, Half and Full Bridges
• Leadwire Compensation

Bridge Excitation
• Power Levels
• Self-Heating

Discussion of Specific Problems as Requested by Participants