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  2. Charpy impact test - Wikipedia

    en.wikipedia.org/wiki/Charpy_impact_test

    The test was pivotal in understanding the fracture problems of ships during World War II. [2] [3] The test was developed around 1900 by S. B. Russell (1898, American) and Georges Charpy (1901, French). [4] The test became known as the Charpy test in the early 1900s due to the technical contributions and standardization efforts by Charpy.

  3. Notch (engineering) - Wikipedia

    en.wikipedia.org/wiki/Notch_(engineering)

    The most common is the Charpy impact test, which uses a pendulum hammer (striker) to strike a horizontal notched specimen. The height of its subsequent swing-through is used to determine the energy absorbed during fracture. The Izod impact strength test uses a circular notched vertical specimen in a cantilever configuration. Charpy testing is ...

  4. Fracture toughness - Wikipedia

    en.wikipedia.org/wiki/Fracture_toughness

    There are several types of test used to measure fracture toughness of materials, which generally utilise a notched specimen in one of various configurations. A widely utilized standardized test method is the Charpy impact test whereby a sample with a V-notch or a U-notch is subjected to impact from behind the notch. Also widely used are crack ...

  5. Mechanical testing - Wikipedia

    en.wikipedia.org/wiki/Mechanical_Testing

    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. Impact testing Izod test; Charpy test; Fracture toughness testing Linear-elastic (K Ic) K–R curve

  6. Izod impact strength test - Wikipedia

    en.wikipedia.org/wiki/Izod_impact_strength_test

    The Izod impact test differs from the Charpy impact test in that the sample is held in a cantilevered beam configuration as opposed to a three-point bending configuration. The test is named after the English engineer Edwin Gilbert Izod (1876–1946), who described it in his 1903 address to the British Association, subsequently published in ...

  7. Charpy - Wikipedia

    en.wikipedia.org/wiki/Charpy

    Charpy may refer to: Charpy impact test , a standard test to determine the amount of energy a material absorbs during fracture Georges Charpy (1865–1945), the French scientist and professor of metallurgy who created the Charpy impact test

  8. Georges Charpy - Wikipedia

    en.wikipedia.org/wiki/Georges_Charpy

    Augustin Georges Albert Charpy (1 September 1865 – 25 November 1945) was the French scientist who created the Charpy impact test. He attended École Polytechnique from 1885 to 1887 and graduated with a degree in Marine Artillery. In 1887 he became a professor at École Monge. In 1892 he published his physics thesis.

  9. Talk:Charpy impact test - Wikipedia

    en.wikipedia.org/wiki/Talk:Charpy_impact_test

    The article cited the Charpy V notch impact test but it does not mention that certain specifications once called for 3mm and 5mm U shaped notches. This was between 1972 and 1980. My source material is personal as I performed tests using all three types of notch at various room and sub -zero temperatures for 8 years amongst other destructive ...