Material 58 18. Superca1cine Substrate Densities 19. Tap Density and Sintered Density of Copper Spheres of Various Size Distributions (Sintered for 8 hr at 950 0 C in a dynamic vacuum) 20. Properties and Costs of Metal Matrix Candidates ix MULTIBARRIER WASTE FORMS PART I: DEVELOPMENT 4 Matrix EncaQsulation Pb-10Sn vacuum cast 400 0 C Al-12Si vacuum cast 650°C Al-12Si vacuum cast 650 0 C Cu gravity sintered 9000C-8 hr Uncoated supercalcine Vacuum-cast PyC/ Al20 3-coated supercaldne Glass-coated supercalcine Vacuum-cast Simulated wasteglass marbles Vacuum-cast FIGURE 2. Polished Sections of the One-Liter Multibarrier Demonstrations 9

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The chemical vapor deposition (CVD)

This work was performed for the Jet Propulsion Laboratory, Calif• ornia Institute o:f Technology, s'POni;;ot'ed by the Na~ional A~ronauties and Sp&ee Administration w.1de r Contract NAS7-l0(}.

No abstract