Analytical and experimental tools have been used to study the formation of a proposed self-forging fragment projectile. The primary objective of this study is the determination of the interior and exterior shape of the fully formed fragment, and to determine if the fragment tumbles in flight. In addition, it is of interest to compare computer predictions to experimental results. An experiment was performed using high speed photography and high-energy flash x-ray radiography to study liner and case motion and projectile formation. Fabrication and assembly tolerances were closely controlled in an effort to eliminate tolerances as a possible source of fragment instability. X-ray film-density contours were analyzed to determine the fully formed fragment interior and exterior shape. Down-range yaw screens showed fragment tumbling in flight. The computed fragment shape was compared to experimental results and it was found that a retaining ring in the computational model near the liner periphery had a significant effect on the final computed fragment shape. With the retaining ring in the computational model and full two-way sliding between all material interfaces, the final computed fragment showed very good agreement with the experiment on both exterior and interior shapes.

The question of a salary increase for Members of Congress was considered by both Houses numerous times during the 97th Congress. The issue was last considered during December in the FY83 Further Continuing Appropriations. As sent to the President, the measure provided for a 15% pay increase for Members of the House of Representatives and other senior Federal officials, but not for Senators. The resolution was signed into law by the President on Dec. 21, 1982. Previously, in September, Congress approved a pay cap through Dec. 17, 1982 for Members and other senior Federal officials.

The detonation of the first atomic bomb heralded the beginning of a new age. Almost everyone agreed that the enormous energy released by the "atomic reaction" would create opportunities and problems far larger than man faced in previous history. However, few foresaw the explosion of knowledge that would also be part of this new age.

A radial inflow turbine (RIT) B rotor, including the impeller and shaft, was examined experimentally to determine vibratory characteristics. It was concluded that there are no specific speeds within the operating range with adequate resonance encroachment margins. It is recommended that performance tests be carried out with caution.

Activation energies were determined for decomposition of Fomblin HVAC 18/8 and Krytox 143AY oils (two perfluorinated polyethers) (respectively 60.6 kcal/mole and 55.6 kcal/mole) in the temperature range of 325/sup 0/ to 405/sup 0/C in a monel vessel. At any temperature in this range, Fomblin decomposes 30 +- 10 times faster than Krytox. The estimated decomposition in 10 years at 250/sup 0/C is 0.14% for Fomblin and 0.009% for Krytox. Effects of 304 ss and aluminum were determined. Although differences in the fluorine NMR spectrum of different batches of Krytox are observed, there are no significant changes detected between aged and unaged oils of the same batch. HF does not react with Krytox at 405/sup 0/C. Krytox can be chromatographed in spite of its high average molecular weight (3600 amu). GCMS showed that each smaller peak contained C/sub 2/F/sub 4/H-groups while the larger peaks contained only C/sub 2/F/sub 5/-groups. Hydrogen NMR on Krytox showed the C/sub 2/F/sub 4/H- to be CF/sub 3/CHF-groups. Chromatography of Fomblin gave a single broad envelope without resolved peaks.

A geothermal test well was sited and drilled approximately 0.8 miles (1.3 km) east of Broadwater Hot Springs, near Helena, Montana. The site is on the property of the State Nursery, along the north side of Ten Mile Creek. The purpose of the drilling was to test a thermal infrared imagery anomaly and to evaluate whether a source of warm water for space heating of a series of new greenhouses could be developed to replace ones destroyed in the spring 1981 flooding of Ten Mile Creek. The well was drilled to 280 feet total depth, with no success in obtaining hot or even warm water.

The neutron-induced fission cross sections of /sup 242m/Am and /sup 245/Cm have been measured over an energy range of 10/sup -4/ eV to approx. 20 MeV in a series of experiments at three facilities during the past several years. The combined results of these measurements, in which only sub-milligram quantities of enriched isotopes were used, yield cross sections with uncertainties of approximately 5% below 10 MeV relative to the /sup 235/U standard cross section used to normalize the data. We summarize the resonance analysis of the /sup 242m/Am(n,f) cross section in the eV region. Hauser-Feshbach statistical calculations of the detailed fission cross sections of /sup 235/U and /sup 245/Cm have been carried out over the energy region from 0.1 to 5 MeV and these results are compared with our experimental data.

According to Ringwood (A.E. Ringwood, W. Sinclair, and G.M. McLaughlin, Nuclear Waste Immobilization, Lawrence Livermore Laboratory, Livermore, Rept. UCRL-15147 (1979)), the iron oxidation state is important in controlling, the spinel mineralogy and composition if the amount of titania (TiO/sub 2/) consumed in spinel formation is to be minimized in favor of the formation of the Synroc phases, zirconolite, perovskite, and nepheline. In our redox calcination studies we observed that the iron oxidation state of FeO/Fe/sub 2/O/sub 3/ can be controlled by the redoxcalcining atmosphere. In a CO atmosphere, the oxidation state was reduced to less than 7 wt % Fe/sub 2/O/sub 3/. With appropriate CO/sub 2//CO gas mixtures the resultant iron oxidation states were in the range of 45 to 59 wt % Fe/sub 2/O/sub 3/. Direct rotary redox calcination of spray dried powder at 600/sup 0/C, without prior air calcination, showed increased redox efficiency when compared to powder that had been previously air calcined at 650/sup 0/C. We believe this is caused by a reduction in particle size. Rotary calcination at 800/sup 0/C in argon has no measurable reduction affect on the iron oxidation state of Synroc D powder.