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These
gauges are designed for fatigue tests, and can reach a fatigue life of over 10
million times at a strain level of ±3000 με. Compared to previously (1 million times at ±1500με), these are gauges of exceptionally
high durability.
In aviation and other areas, repeated load tests of large elongation of
composite materials are conducted. However, it had been necessary to adhere a
new strain gauge frequently as a gauge reached its fatigue life. The DSF series
greatly reduces time and cost of adhering gauges.
|
Applicable specimen |
Metal, Composite materials |
|
Operational temperature(°C) |
-60 to +200°C |
|
Temperature compensation range(°C) |
- |
|
Applicable adhesive |
CN, EB-2B, C-1 |
|
Backing |
Polyimide |
|
Element |
Special alloy |
|
Strain limit |
1% (10000×10-6 strain) |
|
Fatigue life at room temperature |
1×107 (±3000×10-6 strain) |
* Because this strain gauge is not self-temperature-compensated, it is recommended to preliminarily measure thermal output of this strain gauge using a dummy specimen which is made of the same material as the test specimen.
