Table 1 Properties of materials.
From: Experimental analysis of PTFE and PTFE/PEEK composites for ball bearing applications
Properties | Pure PTFE | PTFE + PEEK (15%) | Silicon nitride |
|---|---|---|---|
Designation | PTFE | PEEK15 | Si3N4 |
Density (gm/cm3) | 2.14 | 1.94 | 3.20 |
Tensile strength (MPa) | 21.80 | 8.43 | 700 |
Elongation | 260% | 190% | – |
Hardness | 54 Shore D | 59 Shore D | 2477HV |
Service temperature (℃) | 260 | 300 | 1100 |
