Research Article
Corundum Molds for Investment Casting from Refractory Alloys and Metals
Table 1
Basic characteristics of ALUMOX binder.
| Characteristic | |
| Viscosity of ALUMOX, , cSt | 2.24–2.30 | Mass fraction of Al2O3, wt%, | 10.0–12.0 | Gel time of ALUMOX, min. | Not less than 30 | Relative viscosity of suspension when applied in 1 and 2 layers, sec. | 40–42 | Relative viscosity of suspension when applied in 3–7 layers, sec | 28–30 | Bending strength of noncalcined shell molds, MPa | 2.2–3.0 | Bending strength of calcined shell molds at 1250–135C, MPa | 14–20 |
|
|