PRODUCTION ENGINEERING MEASURE FOR BERYLLIUM OXIDE AND PARTS PRODUCED FROM IMPORTED ORES.
Abstract
The study of power sinterability as a function of average particle size was continued this quarter. A complete summary shows that average particle size, at this point of development, cannot be used on a control basis to accurately predict sinterability in the range of 1.7-2.8 micron average. However, a general correlation does exist, and reasonable predictions can be made at the extremes. In general, the average particle size should be maintained close to 1.7 microns to obtain a highly active powder, but coarser powder can still be fabricated to acceptable density. Two of the four parts required for the contract were fabricated employing the process developed during this study. The parts were pressed and sintered to the required dimensions with no difficulty. Final firing shrinkage was accurately controlled by controlling green and final fired density. Beryllium sulfate crystals were prepared to initiate the final four pilot plant powder uniformity runs. The crystals met all applicable specifications. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 31, 1964
- Accession Number
- AD0615412
Entities
People
- Harold F. Lebo
- J. F. Blum