HIP quench technology

Conference · Tue Dec 31 04:00:00 EST 1996

OSTI ID:442803

Bergman, C; Westerlund, J ^[1]; Zimmerman, F X ^[2]

---

1. ABB Pressure Systems AB, Vaesteraas (Sweden)
2. ABB Autoclave Systems AB, Erie, PA (United States)

Hot Isostatic Pressing (HIP) is a viable production process today for densifying metals, ceramics, and composites to achieve fully dense parts. One major drawback for conventional HIPing is the long ten to twelve hour cycle time resulting in low productivity and high processing cost. Drastic furnace improvements have been made in the late 1980`s with the advent of Uniform Rapid Cooling (URC) called HIP Quenching. This innovation allows floor/floor cycles as short as four to five hours with one hour soak depending on the material to be HIPed. A flow device such as a fan is utilized at the base of the furnace for forced gas convection in promoting main features to: (1) accelerate time for heating, soaking and cooling; (2) add combined solution heat treating; and (3) reduce thermal distortion of parts with varying cross-sections. All three points promise to positively effect better economy with improved property and quality to promote the HIP process further. This paper describes the URC technology and illustrates a couple of HIP Quench studies made for a turbine disc and efficient High Speed Steel powder consolidation.

• OSTI ID: 442803
• Report Number(s): CONF-960515--; ISBN 0-87170-568-0
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
COOLING
COST
DESIGN
FURNACES
HEATING
HOT PRESSING
MATERIALS
PERFORMANCE
PRODUCTIVITY
QUENCHING
TIME DEPENDENCE