Isostatic pressing of TATB and RX-03-AU to specified densities

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Abstract
Pressure-density relationships have been established for isostaticly pressing TATB and RX-03-AU (TATB/Kel-F 95/5). These relationships are useful for choosing the correct pressure for pressing billets to a desired density. The data were obtained from Site 300 isostatic pressing records and represent attempts to produce billets of specified densities that were required for machining into test specimens. No pressings were made for the sole purpose of studying pressure-density relationships. TATB must be pressed at 100/sup 0/C or above to avoid cracked billets. Part of the observed variations in low density TATB pressings is caused by differnces in the particle size distributions. Three high pressure cycles are necessary to achieve maximum density; with this technique, the particle size distribution is not a significant variable. A pressure-density curve for hot pressing RX-03-AU was established between pressures of 500 and 30,000 psi.

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