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08-13-2014, 04:53 AM #1
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- Mar 2014
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PLA and creep (slow deformation over time)
I noticed that PLA seems to suffer from creep, the slow deformation of a material under load over time. Or at least I think it does.
For example the landing gear legs of a multicopter I've printed several months ago have noticeably yielded over time just by sitting inside a cabinet for that time.
Temperatures in my apartment can go up to 35 degrees centigrade, so that may be a factor, but the glass transition temperature of PLA is supposed to be 60C.
I wonder if that may be the specific composition/manufacturing of the PLA I used or if it is just the way that material behaves.
Has anyone noticed this effect on PLA (or other material) prints?
Please explain to me how to...
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