The vacuum hot press is specialized equipment used to hot press materials in a vacuum, ideal for materials needing high density and pore-free states for optimal mechanical, thermal, or optical properties.
Commonly used in ceramics, it processes materials like MMC and CMC composites, silicon nitride, boron carbide, and PLZT for products such as cutting tools, valves, bearings, and armors.
The vacuum hot press combines high temperature and pressure in a vacuum to facilitate sintering and solid-phase reactions, enhancing material density and performance by reducing voids and grain boundaries.
Unlike vacuum furnaces, which focus on preventing oxidation and corrosion, the vacuum hot press specifically applies heat and pressure simultaneously, offering advantages like reduced sintering time, lower sintering temperatures, and controlled grain size for high-precision applications.