IPC Subgroup
G01L 1/24 by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis
Introduced: September 1968
Last revised: January 2006
Full Title
Measuring force or stress, in general > by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE