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glossary:glossary_m [2016/08/12 09:36] – [Memory Wire] Bob Vetterleinglossary:glossary_m [2016/08/12 13:22] – [Memory Wire] Bob Vetterlein
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 Wire made from a special alloy which changes its molecular structure at a certain temperature causing it to shrink. This effect can usefully be applied to point and signal actuation. Some types require a tension spring to pull it back to its original length while others will return unaided, although a spring is still required to keep the wire tight, it can only pull when shrinking, it cannot push.\\  Wire made from a special alloy which changes its molecular structure at a certain temperature causing it to shrink. This effect can usefully be applied to point and signal actuation. Some types require a tension spring to pull it back to its original length while others will return unaided, although a spring is still required to keep the wire tight, it can only pull when shrinking, it cannot push.\\ 
 [[https://en.wikipedia.org/wiki/Shape-memory_alloy|Wikipedia article]]\\  [[https://en.wikipedia.org/wiki/Shape-memory_alloy|Wikipedia article]]\\ 
 +See also TBs: [[http://www.merg.org.uk/merg_tbs/download.php?fileid=919&userid=62|G19/01]], 
 +[[http://www.merg.org.uk/merg_tbs/download.php?fileid=920&userid=62|G19/02]], 
 +[[http://www.merg.org.uk/merg_tbs/download.php?fileid=922&userid=62|G22/01]], 
 +[[http://www.merg.org.uk/merg_tbs/download.php?fileid=923&userid=62|G23/01]] & 
 +[[http://www.merg.org.uk/merg_tbs/download.php?fileid=924&userid=62|G23/02]].\\ 
 ===== Microprocessor ===== ===== Microprocessor =====
  
glossary/glossary_m.txt · Last modified: 2021/08/11 11:57 by WortingUK

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