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Table 9 DSC values by layer from PEEK_25NdFeB prints. (Tg glass transition temperature, Xm Melting peak Crystallinity, Tm Melting temperature; the index I and II indicates the first and second heating cycle, the index CC indicates the cold crystallization)

From: 3D printing of high performance polymer-bonded PEEK-NdFeB magnetic composite materials

 

Tg I [°C]

Xm I [%]

Tm I [°C]

Xcc[%]

Tcc[°C]

Tg II [°C]

Xm II [%]

TmII [°C]

Top layer

159.4

30.9

340.7

–

–

141.5

30.6

341

Mid layer

151.6

29.6

341.3

–

–

144.8

34.3

340

Bottom layer

141.5

12.1

340.3

17

171.3

143.8

38.9

341