Powder Metallurgy Processing for Innovative Materials
CastCon - Co-Cr-Mo Alloy
Manufactured by CastCon Process
An optical micrograph, about 200x
CastCon is a new manufacturing approach capable of producing parts with a wide variety of sizes, shapes, materials and structural characteristics. The mechanical properties of CastCon parts can be as good as those of wrought materials.
Applications of Co-Cr-Mo Alloy
Prosthetic devices and surgical implants as well as high temperature materials.
Composition of Co-Cr-Mo Alloy, (%)
| Alloy | Co | Cr | Mo | C | Fe | Ni | Si | Mn |
|---|---|---|---|---|---|---|---|---|
| Stellite1 21 | bal | 28 | 5.5 | 0.25 | 2 (max) |
2.5 | 2 (max) |
1 (max) |
| ASTM F75 | bal | 27-30 | 6 | 0.35 | 1.5 | 1 | 0.4 | 1 |
1Trademark of Deloro Stellite.
Property Comparison Between Sand Casting and CastCon Co-Cr-Mo Alloy
| Product Form | Tensile strength (ksi) |
0.2% yield strength (ksi) |
Elongation (%) |
|
|---|---|---|---|---|
| Sand Casting2 | (no wrought data available) | 100 | 71.6 | 9 |
| CastCon | (Specimen produced from Stellite 21 powder, as consolidated) | 145.7 | 95.4 | 7.64 |
2Metals Handbook Tenth Edition, Volume 2, Properties and Selection: Nonferrous Alloys and Special-Purpose Materials (1990), ASM International, p451.
