First full 3-D view of cracks growing in steel


	First full 3-D view of cracks growing in steel

tabsey

7-18-2008 9:57 AM

163 views

tags:

better, than, watching, paint, dry

tabsey says:

Can study stress, etc in steel without destroying it.

1 Comment |

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7-18-2008 11:18 AM

masbury

Beautiful, and world-changing! Steel is really a remarkable mystery, and much of history rides along with its development. Thanks!

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       <HR />
       <A href="http://www.eurekalert.org/multimedia/pub/9129.php?from=118375" ><IMG border="0" src="http://www.eurekalert.org/multimedia/pub/rel/9129_rel.jpg" /></A>
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      <SPAN class="imagecaption">Sample surface with cracks colored red.</SPAN>
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	      <SPAN class="imagecaption"><A href="http://www.eurekalert.org/multimedia/pub/9129.php?from=118375" >Click here for more information.</A></SPAN>
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       <A href="http://www.eurekalert.org/multimedia/pub/9130.php?from=118375" ><IMG border="0" src="http://www.eurekalert.org/multimedia/pub/rel/9130_rel.jpg" /></A>
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      </CENTER> 
      <SPAN class="imagecaption">Sample and cracks.</SPAN>
<CENTER>
	      <SPAN class="imagecaption"><A href="http://www.eurekalert.org/multimedia/pub/9130.php?from=118375" >Click here for more information.</A></SPAN>
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    </TD></tr></table></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.eurekalert.org/pub_releases/2008-07/esrf-ff3071708.php"><P>A team of researchers from the University of Manchester (United Kingdom), the National Institute of Applied Sciences in Lyon (France) and the ESRF has revealed how a growing crack interacts with the 3D crystal structure of stainless steel.  By using a new grain mapping technique it was possible to determine the internal 3D structure of the material without destroying the sample.  Afterwards, a crack was initiated in the stainless steel, and the scientists were able to study how the crack grew between the grains.  This is the first time that such an experiment has used the 3D grain mapping technique, and the first results are published in the journal <I>Science</I> this week.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/1825312F-7995-438F-8399-078472625C73/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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