Model 3541 Fracture Mechanics Clip-On Gages - 2 Pages

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Model 3541 Fracture Mechanics Clip-On Gages

Catalog excerpts

3541 Fracture Mechanics Clip-On Gages For fracture mechanics studies, these COD gages are in compliance with standardized test methods, such as ASTM E1820 for determination of fracture toughness properties of metallic materials. Model 3541 attached to bolt-on knife edges Model 3541-012M-120M with 12 mm gauge length and +12/-2 mm measuring range The Model 3541 is designed for determination of fracture mechanics parameters such as JIC, KIC, R-curve, fatigue crack growth rate (da/dN), and testing to standards such as E1820, E399, E647, etc. These COD gages conform to the requirements of E1820 (the replacement for E813 Model 3541 COD gage and E1737) for JIC and R-curve determination. Special configurations are available to meet the requirements of ASTM E399 for fracture toughness (please consult the factory for these configur ations). In addition, the modified groove design complies with E1820 tests where greater stability and accuracy results from the sharper groove root. Clip-on gages are used for a variety of fracture mechanics tests, including compact tension, arc shaped, disk shaped, bend specimens or other specimen geometries in compliance with ASTM and other standards organiza ion’s test methods. Clip-on t gages can be used directly on test specimens where the knife edges are integral with the test specimen or, alternately, with optional bolt-on knife edges mounted on the test specimen. Model 3541 crack opening displacement gages are strain gaged devices, making them compatible with any electronics designed for strain gaged transducers. Most often they are connected to a test machine controller. The signal conditioning electroncs for the extensometer is typically included with i the test machine controller or may often be added. In this case the extensometer is shipped with the proper connector and wiring to plug directly into the electronics. For systems lacking the required electronics, Epsilon can provide a variety of solutions, allowing the extensometer output to be connected to data acquisition boards, chart recorders or other equipment. See the electronics section of this catalog for available signal conditioners and strain meters. Visit our website at www.epsilontech.c

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technology corp Ordering Information May be left on through specimen failure. Full bridge, 350 ohm strain gaged design for compatibility with nearly any test system. Model 3541 Available Versions: The following combinations of gauge length and measuring range listed below are available as standard, except as noted. All are available in any temperature range listed. Other configurations may be available with special order; please contact Epsilon to discuss your requirements. Gauge Length Measuring Range • Fully enclosed gages are protected from accidental damage. • All standard units meet...

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