The Influence of Nanohydroxyapatite on the Thermal, Mechanical, and Tribological Properties of Polyoxymethylene Nanocomposites

Table 2

Glass temperature, , and activation energy of glass transition for POM and POM/HAp nanocomposites.

Sample	[°C] (TOPEM DSC) by reversing heat flow	[J/molK] (TOPEM DSC)	[°C] (DMA 1 Hz)	[kJ/mol]
DH0	−74.5	0.070	−74.3	128.23
DH5	−71.3	0.076	−73.7	139.48
UH0	−77.0	0.052	−74.7	134.25
UH5	−73.1	0.108	−73.9	160.60
T2H0	−76.7	0.049	−74.4	140.91
T2H5	−67.0	0.066	−73.4	148.58