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Tensile testing, also known as tension testing, [1] is a fundamental materials science and engineering test in which a sample is subjected to a controlled tension until failure. Properties that are directly measured via a tensile test are ultimate tensile strength , breaking strength , maximum elongation and reduction in area. [ 2 ]
Rockwell hardness test (HR), principally used in the USA; Shore durometer hardness, used for polymers; Barcol hardness test, for composite materials; Tensile testing, used to obtain the stress-strain curve for a material, and from there, properties such as Young modulus, yield (or proof) stress, tensile stress and % elongation to failure ...
A compact tension specimen (CT) is a type of standard notched specimen in accordance with ASTM [1] and ISO [2] standards. Compact tension specimens are used extensively in the area of fracture mechanics and corrosion testing, in order to establish fracture toughness and fatigue crack growth data for a material.
A diametral compression test involves applying a stress load or force to the point where a material object is split in half (down the diameter of the object). [1] This test indirectly measures the tensile property of a material object, as the molecules of the material are pushed apart in opposite directions, similar to what happens to molecules in a direct tensile strength test.
The success of a biaxial tensile test is strictly related to the shape of the specimen. [17] The two most used geometries are the square and cruciform shapes. Dealing with fibrous materials or fibres reinforced composites , the fibres should be aligned to the load directions for both classes of specimens, in order to minimize the shear stresses ...
One example is the long used Sustained Load Test of notched round bar tensile specimens found in ASTM F 519. In this test, the exposed test specimens are subjected to a load equal to 75% of the Fracture Strength and held for 200 hours. If the specimen does not break, the specimen has passed. If it fractures prior to the 200 hours then it has ...
The portion where necking occurs may be called the neck of the specimen. In engineering and materials science, necking is a mode of tensile deformation where relatively large amounts of strain localize disproportionately in a small region of the material. The resulting prominent decrease in local cross-sectional area provides the basis for the ...
This test is performed on a universal testing machine (tensile testing machine or tensile tester) with a three-point or four-point bend fixture. The main advantage of a three-point flexural test is the ease of the specimen preparation and testing.
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