Battelle Memorial Institute, First Hot Isostatic Pressure Vessel, 505 King Avenue, Ohio State University, Columbus

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Conceived by Batelle researchers in the hot isostatic pressure (HIP) vessel is now used worldwide to manufacture ceramic and advanced alloys and for fabricating complex-shaped parts such as jet engine turbines and cutting tools. In this process, materials are placed in a vessel, where intense heat and gas pressure are applied simultaneously and on all sides. HIP can consolidate powders of metals, ceramics, or combinations of the two into complex shapes with little need for machining; bond together materials which normally cannot be welded; heal defective castings; rejuvenate worn parts; or pressure infiltrate liquids into porous solids.

The American Society of Mechanical Engineers (ASME) designated the HIP vessels an International Historic Mechanical Engineering Landmark on April 2, Source: Press Release, "ASME Landmarks Battelle's HIP Vessel," April p. 1. Historian; Robert Buerglener, September, It is understood that access to this material rests on the condition that should any of it be used in any form or by any menas, the author of such material and the Historic American Engineering Record of the National Park Service at all time be given credit.