HYDROSTATIC PRESSING OF METAL POWDERS | Zendy

C. A. Meyers | Zendy; W.G. Lidman | Zendy

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HYDROSTATIC PRESSING OF METAL POWDERS

Author(s) -

C. A. Meyers,

W.G. Lidman

Publication year - 1954

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/4169170

Subject(s) - pressing , mold , hydrostatic equilibrium , materials science , hydrostatic pressure , die (integrated circuit) , metallurgy , uranium , composite material , metal , metal powder , hydraulic press , dissolution , mechanical engineering , nanotechnology , engineering , chemical engineering , physics , quantum mechanics , thermodynamics

Hydrostatic pressing was investigated as a method of fabricating long preforms made from uranium powder. A laboratory scale pressure vessel was constructed to evaluate the feasibility of this process. Various metal powders were loaded into flexible molds and subjected to pressure in an enclosed liquid. The high density of uranium caused the flexible molds to distort during filling and after pressing there was a tendency for the compact to adhere to the mold. Methods of minimizing these difficulties are suggested. Uranium powder, compacted in a plastic mold at 21 tsi had a density of 12.5 g/cc. During the course of the investigation, it was found that hydrostatic pressing of other metal powders presented advantages over conventional steel die methods, especially in the ability to press experimental shapes using economical equipment. Recommendations were made for further development work on both cold and hot hydrostatic pressing. (auth

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