Hot Isostatic Processing
Hot Isostatic Processing (HIP) was invented in 1955 at Battelle Memorial Institute as a fuel element fabrication technique . The HIP process was actually used to fabricate several experimental core loadings of fuel elements in the early 1960’s . As a natural outgrowth of these activities, HIP was also used to consolidate powders into complex shapes. Most of these early activities were initiated to consolidate difficult to fabricate materials such as nuclear fuels into useful shapes. Later, the work was extended to materials which were characterized by being expensive, difficult to fabricate, and of a relatively low volume. Since the early HIP equipment was limited to relatively small-volume capabilities, it placed constraints on the possible uses for the process at that time.
KeywordsPowder Metallurgy Fuel Element Maraging Steel Internal Defect Cement Carbide
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