.. _sphx_glr_api_gallery_materials_hardness:

Hardness
--------

Indentation hardness and its link to tensile strength.


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  <div id='sg-tag-list' class='sphx-glr-tag-list'></div>


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    <div class="sphx-glr-thumbnails">

.. thumbnail-parent-div-open

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    <div class="sphx-glr-thumbcontainer" tooltip="Johan August Brinell, chief engineer of the Fagersta ironworks in Sweden, showed his ball test at the 1900 Paris Exposition. A 10 mm hardened steel ball pressed into the part with 3000 kgf leaves a dent of diameter d; the load divided by the curved area of the dent is the hardness number (~engineeringkit.materials.brinell_hardness),">

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  .. image:: /api/gallery/materials/hardness/images/thumb/sphx_glr_plot_01_brinell_hardness_thumb.png
    :alt:

  :doc:`/api/gallery/materials/hardness/plot_01_brinell_hardness`

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      <div class="sphx-glr-thumbnail-title">Brinell's hardness test (1900)</div>
    </div>


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    </div>


.. toctree::
   :hidden:

   /api/gallery/materials/hardness/plot_01_brinell_hardness