Figure 3From: Friction and Wear Study on Friction Pairs with a Biomimetic Non-smooth Surface of 316L Relative to CF/PEEK under a Seawater Lubricated ConditionSchematic diagram of MMD-5A friction and wear tester. 1. Hydraulic system; 2. Tension sensor; 3. Computer; 4. Servo motor; 5. Main shaft; 6. Upper specimen fixture; 7. Seawater; 8. Upper specimen; 9. Seawater box; 10. Bottom specimen; 11. Bottom specimen mounting base; 12. Temperature sensor; 13. Pressure sensorBack to article page