http://wiki.dtonline.org/index.php?action=history&feed=atom&title=Strain 2026-05-05T11:28:05Z Revision history for this page on the wiki MediaWiki 1.43.8 http://wiki.dtonline.org/index.php?title=Strain&diff=4583&oldid=prev 2015-12-21T19:13:41Z

<p>Added Category</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en-GB"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 19:13, 21 December 2015</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l13">Line 13:</td> <td colspan="2" class="diff-lineno">Line 13:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The &#039;&#039;&#039;[[Stress]]&#039;&#039;&#039; divided by the &#039;&#039;&#039;Strain&#039;&#039;&#039; during the &#039;&#039;&#039;[[Young&#039;s Modulus|Elastic Stage]]&#039;&#039;&#039; is a measure of the &#039;&#039;&#039;stiffness&#039;&#039;&#039; of a material and is known as its &#039;&#039;&#039;[[Young&#039;s Modulus]]&#039;&#039;&#039; or &#039;&#039;&#039;Modulus of Elasticity&#039;&#039;&#039;.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The &#039;&#039;&#039;[[Stress]]&#039;&#039;&#039; divided by the &#039;&#039;&#039;Strain&#039;&#039;&#039; during the &#039;&#039;&#039;[[Young&#039;s Modulus|Elastic Stage]]&#039;&#039;&#039; is a measure of the &#039;&#039;&#039;stiffness&#039;&#039;&#039; of a material and is known as its &#039;&#039;&#039;[[Young&#039;s Modulus]]&#039;&#039;&#039; or &#039;&#039;&#039;Modulus of Elasticity&#039;&#039;&#039;.</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Terminology]]</ins></div></td></tr> </table>

DT Online http://wiki.dtonline.org/index.php?title=Strain&diff=4582&oldid=prev 2015-12-21T19:11:37Z

<p>Created article</p> <p><b>New page</b></p><div>[[File:StressStrainGraph1.png|400px|right]]<br /> As materials are loaded and subjected to some &#039;&#039;&#039;[[Stress]]&#039;&#039;&#039; they will deform either by stretching as a result of &#039;&#039;&#039;[[Tension|Tensile Forces]]&#039;&#039;&#039; or being squashed because of a &#039;&#039;&#039;[[Compression|Compressive Loading]]&#039;&#039;&#039;.<br /> <br /> <br /> Strong materials may be deformed only by a microscopically small amount but in all cases, the resulting [https://en.wikipedia.org/wiki/Deformation_%28engineering%29 &#039;&#039;&#039;Strain&#039;&#039;&#039;] is calculated as being equal to the change in length divided by the original length and is allocated the Greek letter &#039;&#039;&#039;ε &#039;&#039;(epsilon)&#039;&#039;&#039;&#039;&#039;.<br /> <br /> <br /> As a sample of materials is subjected to &#039;&#039;&#039;[[Stress]]&#039;&#039;&#039; and consequently deformed in some way, the values of &#039;&#039;&#039;[[Stress]]&#039;&#039;&#039; and &#039;&#039;&#039;Strain&#039;&#039;&#039; can be plotted against each other to create a &#039;&#039;&#039;Stress/Strain Curve&#039;&#039;&#039; as shown.<br /> <br /> <br /> Such graphs can be used to determine the &#039;&#039;&#039;[[Young&#039;s Modulus|Elastic Limit]]&#039;&#039;&#039; and [https://en.wikipedia.org/wiki/Ultimate_tensile_strength &#039;&#039;&#039;Ultimate Tensile Strength &#039;&#039;(U.T.S.)&#039;&#039;&#039;&#039;&#039;] of a material.<br /> <br /> <br /> The &#039;&#039;&#039;[[Stress]]&#039;&#039;&#039; divided by the &#039;&#039;&#039;Strain&#039;&#039;&#039; during the &#039;&#039;&#039;[[Young&#039;s Modulus|Elastic Stage]]&#039;&#039;&#039; is a measure of the &#039;&#039;&#039;stiffness&#039;&#039;&#039; of a material and is known as its &#039;&#039;&#039;[[Young&#039;s Modulus]]&#039;&#039;&#039; or &#039;&#039;&#039;Modulus of Elasticity&#039;&#039;&#039;.</div>

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