MaTestLab > Test Standards > ASTM E1949 Standard Test Method for Ambient Temperature Fatigue Life of Metallic Bonded Resistance Strain Gages
Last updated 18th June 2024

ASTM E1949 Standard Test Method for Ambient Temperature Fatigue Life of Metallic Bonded Resistance Strain Gages

ASTM E1949 test technique is designed to ascertain the metallic bonded resistance strain gauges' fatigue life at room temperature. The materials and geometric design of the gages, as well as the installation procedure and surrounding circumstances, can all have an impact on how effectively strain gauges work. Users should follow the instructions for specimen surface cleaning, gage bonding, and protection while applying this standard to ensure the safe handling of dangerous chemicals and to establish the necessary safety precautions. In order to prevent mishaps during testing operations, users should also pay attention to safety elements in testing equipment, such as shut-off mechanisms and protective shields, and adhere to the manufacturer's recommendations for gauge attachment and lead wires.

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    Introduction to ASTM E1949

    A methodical technique for assessing the fatigue life of metallic bonded resistance strain gauges at room temperature is offered by ASTM E1949. In order to evaluate the robustness and dependability of strain gauges under cyclic loading circumstances, this testing process is crucial. Through the application of wholly reversed strain cycles, the test seeks to identify the number of cycles at which gauge accuracy may be compromised due to a decline in performance. The strain gauge’s performance can be affected by material composition, geometric design, and installation methods, among other things. To guarantee accurate and reliable findings, users must adhere to strict testing procedures, which include appropriate bonding, protection, and equipment. MaTestLab is one of the best testing service providers, with the best network of testing laboratories in the USA to carry out ASTM E1949 tests for our clients. A successful and secure testing procedure depends on adherence to safety precautions, such as handling dangerous chemicals and including safety features in testing equipment.

    ASTM E1949 Test Methods

    Apparatus SetupThe testing device includes a cantilever test beam composed of glass-reinforced epoxy composite material aligned with strain gauges. The fatigue testing apparatus generates a strain range of 6500 μm/m to 63500 μm/m by applying a 15 mm deflection at a loading rate of 1800 cycles/min.
    Measurements MethodsThe ASTM E1949 testing process involves installing strain gauges in accordance with manufacturer instructions, choosing strain levels based on anticipated fatigue life, and testing several gauges at each strain level.

    ASTM E1949 Specimens

    Specimen DetailsThe specimen is a glass-reinforced epoxy composite cantilever test beam. 
    Specimen PreparationGlass fibers aligned with the long dimension for testing are cut into the beam.
    Specimen DimensionsTo provide appropriate fatigue life measurement, the beam dimensions are chosen to enable a variety of strain values in a single test.

    ASTM E1949 Test Results

    ASTM E1949 results include determining the fatigue life of metallic bonded resistance strain gauges during completely reversed strain cycles. This is essential for providing accurate and dependable strain readings and evaluating the endurance and performance of strain gauges in a variety of applications, including material testing, structural monitoring, and mechanical component analysis.

    Tests Related to ASTM E1949

    ASTM E1418 and ASTM E573 are two tests that are related to ASTM E1949. ASTM E1418 offers testing procedures for liquid penetrant testing, and ASTM E573 offers many parameters for internal reflection spectroscopy practice in the infrared spectrum.

    FAQ's

    Where can I get the astm e1949 tested?

    You can share your astm e1949 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm e1949 test to various testing techniques.

    How much do I need to pay for the astm e1949 test?

    Please contact us for a detailed quote for your astm e1949 testing needs. Cost incurred to carry out different astm e1949 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.

    How many samples are required for astm e1949?

    The required number of samples or specimens should comply with the procedure given in the astm e1949 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.

    How much discount can I get on the astm e1949 test?

    MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.

    How many days will it take to complete the astm e1949 test?

    The turnaround time for astm e1949 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.

    Where can I get the astm e1949 tested?

    You can share your astm e1949 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm e1949 test to various testing techniques.

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