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2. 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 ...

3. Polycarbonate - Wikipedia

   en.wikipedia.org/wiki/Polycarbonate

   Laboratory safety goggles. Polycarbonate is commonly used in eye protection, as well as in other projectile-resistant viewing and lighting applications that would normally indicate the use of glass, but require much higher impact-resistance. Polycarbonate lenses also protect the eye from UV light.

4. Charpy impact test - Wikipedia

   en.wikipedia.org/wiki/Charpy_impact_test

   The impact energy of low-strength metals that do not show a change of fracture mode with temperature, is usually high and insensitive to temperature. For these reasons, impact tests are not widely used for assessing the fracture-resistance of low-strength materials whose fracture modes remain unchanged with temperature.

5. Tensile testing - Wikipedia

   en.wikipedia.org/wiki/Tensile_testing

   Tensile testing is most often carried out at a material testing laboratory. The ASTM D638 is among the most common tensile testing protocols. The ASTM D638 measures plastics tensile properties including ultimate tensile strength, yield strength, elongation and Poisson's ratio.

6. Stress–strain curve - Wikipedia

   en.wikipedia.org/wiki/Stress–strain_curve

   Explicitly, heterogeneous plastic deformation forms bands at the upper yield strength and these bands carrying with deformation spread along the sample at the lower yield strength. After the sample is again uniformly deformed, the increase of stress with the progress of extension results from work strengthening, that is, dense dislocations ...

7. Container compression test - Wikipedia

   en.wikipedia.org/wiki/Container_compression_test

   The container compression test measures the compressive strength of packages such as boxes, drums, and cans. It usually provides a plot of deformation vs compressive force . It is commonly used to evaluate shipping containers made of corrugated fiberboard as well as wooden boxes and crates .

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9. Strength of materials - Wikipedia

   en.wikipedia.org/wiki/Strength_of_materials

   Volume, modulus of elasticity, distribution of forces, and yield strength affect the impact strength of a material. In order for a material or object to have a high impact strength, the stresses must be distributed evenly throughout the object. It also must have a large volume with a low modulus of elasticity and a high material yield strength. [7]