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Elongation

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4 years 4 months ago #2737 by Mr Nima Rahati
Elongation was created by Mr Nima Rahati
Hi
In copper wire enameling process :
For size 0.50 mm the elongation of bare wire after anneal tube is 37 - 39% and after enameling elongation is about 22 - 24% and after elongation test we have cracks.!!!

Information:
Wire size: 0.50 mm
Enamel type: PEI
Number of passes : 11
Wire speed : 140 m/min
Anneal temperature : 560 oc
Oven temperature : 560 oc

Thanks a lote

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4 years 4 months ago #2748 by Richard Burke
Replied by Richard Burke on topic Elongation
So what is problem? Not enough elongation? Cracking insulation? Does insulation crack after you have elongated or on 3x mandrel?

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