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  2. Tablet hardness testing - Wikipedia

    en.wikipedia.org/wiki/Tablet_hardness_testing

    The tablet is pushed against a stationary anvil until it fractures. A reading is taken from a scale indicator. [5] Kraemer Elektronik's tablet testing system was the first automatic tablet hardness testing system for auto-regulation at tablet presses, invented by German mechanical engineer Mr. Norbert Kraemer in Darmstadt, Germany.

  3. Schmidt hammer - Wikipedia

    en.wikipedia.org/wiki/Schmidt_hammer

    The test hammer hits the concrete at a defined energy. Its rebound is dependent on the hardness of the concrete and is measured by the test equipment. By reference to a conversion chart, the rebound value can be used to determine the concrete's compressive strength. When conducting the test, the hammer should be held at right angles to the ...

  4. Polished concrete - Wikipedia

    en.wikipedia.org/wiki/Polished_concrete

    During this process, the floor is inspected and cleared to remove all unnecessary materials that can damage both the floor and the grinding machines. Floor inspection also includes hardness testing. Before a floor can be polished, it must have a hardness reading of 4,000 psi or higher for best results. [1]

  5. Janka hardness test - Wikipedia

    en.wikipedia.org/wiki/Janka_hardness_test

    For hardwood flooring, the test usually requires an 80 mm × 150 mm (3 in × 6 in) sample with a thickness of at least 6–8 mm, and the most commonly used test is the ASTM D1037. When testing wood in lumber form, the Janka test is always carried out on wood from the tree trunk (known as the heartwood), and the standard sample (according to ...

  6. Zwick Roell Group - Wikipedia

    en.wikipedia.org/wiki/Zwick_Roell_Group

    This Austrian-based company develops optical strain measurement devices, creep testing machines as well as high temperature testing systems. Indentec Hardness Testing Machines Limited : Established in 1976, Indentec manufactures Vickers , Rockwell , Brinell and Universal hardness testing machines.

  7. Category:Hardness tests - Wikipedia

    en.wikipedia.org/wiki/Category:Hardness_tests

    Tablet hardness testing; Turner-sclerometer; V. Vickers hardness test This page was last edited on 16 March 2013, at 18:53 (UTC). Text is available under the ...

  8. Universal testing machine - Wikipedia

    en.wikipedia.org/wiki/Universal_testing_machine

    Typical lectromechanical Universal Testing Machine Test fixture for three point flex test. A universal testing machine (UTM), also known as a universal tester, [1] universal tensile machine, materials testing machine, materials test frame, is used to test the tensile strength (pulling) and compressive strength (pushing), flexural strength, bending, shear, hardness, and torsion testing ...

  9. Friability - Wikipedia

    en.wikipedia.org/wiki/Friability

    Friability testing is a laboratory technique used by the pharmaceutical industry to test the durability of tablets during transit. This testing involves repeatedly dropping a sample of tablets over a fixed time, using a rotating wheel with a baffle. The result is inspected for broken tablets, and the percentage of tablet mass lost through chipping.

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