Research Article
Wear and Corrosion of Cast Al Alloy Piston with and without Brake Oil
Table 3
Hardness and strength properties of cast piston substrates.
| Samples | HBN Pnt 1 | HBN Pnt 2 | HBN Pnt 3 | HBN Pnt 4 | Average HBN | Strength (MPa) | Observation (porosity, etc.) |
| Cast Al alloy (CP-TS21) | 63.4 | 64.4 | 64.1 | 63.3 | 63.8 | 226.49 | Few pores |
|
|