FPT-63-27: Dimensional stability, model 1807 shape castings
Description:
Due to sluggish transformation rates of metastable phases, unalloyed Pu continues to shrink after casting. Therefore, a pre-machining holding period is required to promote finished part dimensional stability. This test will determine the holding period commensurate with both this requirement for stability and an optimum material inventory level. Four storage periods will be evaluated (9, 8, 7, 6 days) for dimensional changes and related to parts stored for the standard 10-day period.
Date:
October 18, 1963
Creator:
Walker, C. M.
Item Type:
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Partner:
UNT Libraries Government Documents Department