Jekyll Posted February 22, 2011 Posted February 22, 2011 Hi all, what/how is the best way to detect a crack in a carbon frame and anyone reputable in the Western Cape who can fix a carbon frame? thanx.
Christie Posted February 23, 2011 Posted February 23, 2011 The only non-destructive test that I know of that works well on carbon is called infrared flash thermography. The only place that has one in SA is the non-destructive testing research group at the CSIR.
iRob Posted February 23, 2011 Posted February 23, 2011 why would you like to know if its cracked? I'm of the opinion that if its an MTB frame and it develops a micro-crack it'll propogate rapidly, to the extent that it'll be visible within a ride or two of forming. Is it a road of MTB frame. Bear is ind that a lot of NDE/NTD is going to cost a lot. It might even cost more then the frame. I make use a lot of various NDT forms at work and if the rates are anything to go by then expect anything in excess of R15000 for an examination. Is the benefit worth it? Who manufactured the frame?
SwissVan Posted February 23, 2011 Posted February 23, 2011 You could try the coin tap test, not rocket science and not perfect as it is open to interpretation by the "tapper". http://www.amtonline.com/publication/article.jsp?pubId=1&id=2521 http://www.cs.cmu.edu/~whd/CoinTap.html
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