The ASTM C1273 test method is used to identify the tensile strength of monolithic advanced ceramics under uniaxial stress at ambient temperatures. This test method is intended for advanced ceramics that have isotropic, homogeneous, and continuous behavior macroscopically.
Scope:
The ASTM C1273 test method is used to evaluate the tensile strength of monolithic advanced ceramics under uniaxial stress at ambient temperatures. Tensile tests reveal a material’s strength and deformation characteristics when subjected to uniaxial tensile stresses. Specimen fabrication processes, testing modes (load, displacement, or strain control), testing rates (load rate, stress rate, displacement rate, or strain rate), permissible bending, and data collection and reporting protocols are all covered in this test method. This test method can be used to develop materials, compare materials, ensure quality, characterize products, and generate design data.
Test Procedure:
The ASTM C1273 test method often uses a universal testing machine (UTM), which holds a specimen material in place while applying the tensile stress required to determine the breaking point. The apparatus is linked to an extensometer, which monitors changes in the length of the specimen. The tensile specimen is fashioned like a round rod with a big shoulder on either end from which the UTM may grab the material during tensile stress application. Changes in gauge length are measured when the machine pulls the specimen. The test is carried out in a controlled environment to eliminate the effects of other variables such as temperature and contaminants.
Specimen Size :
For ASTM C1273, flat and cylindrical tensile ceramic specimens are used as test specimens.
Data:
The tensile strength of ceramics is measured in pressure units, most often in Pascal.
The standard formula for the tensile strength:
Su = Pmax / A
Where,
Su = The tensile strength in units of MPa,
Pmax = The breaking load
A = The cross-sectional area in units of mm²
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