Joining of two incompatible materials by the HIP process with the use of a brazing interlayer.
Benefits
Enables bonding of materials with no solid state solubility
Allows the design engineer to combine very different material properties in close proximity
Produces bond lines free from porosity with good mechanical properties
Creates joints superior to conventional brazing.
Application & materials
Examples of components manufactured by HIP-assisted brazing techniques include:
Extruder screws for granulation of plastic and pharmaceutical materials
Heavy truck and automotive parts, e.g. valve lifters and brake pads
Components, such as heat shields and turbine disks, where HIP brazing produces parts with increased performance at higher operating temperatures.
Materials utilized include metals and cermets.
Process details
HIP-assisted brazing utilizes the technology of encapsulation and HIP to achieve superior braze properties when needed.