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Hanford contractor settles fraud suit for $3.45M
Hanford Site services contractor Hanford Mission Integration Solutions (HMIS) has agreed to pay the Department of Justice $3.45 million as part of a settlement agreement resolving allegations that HMIS overcharged the Department of Energy for millions of dollars in labor hours at the nuclear site in Washington state.
A. Perujo, S. Alberici, J. Camposilvan, F. Reiter
Fusion Science and Technology | Volume 21 | Number 2 | March 1992 | Pages 800-805
Material; Storage and Processing | doi.org/10.13182/FST92-A29846
Articles are hosted by Taylor and Francis Online.
The interaction of hydrogen isotopes with MANET (MArtensitic for NET) has been studied by a gas-evolution method in the framework of activities aimed at characterizing this steel. Temperatures in the range 573 – 873 K and loading pressures between 103 and 105 Pa have been used. In the temperature and loading pressure range studied, hydrogen and deuterium diffusivity in MANET is about two orders of magnitude higher than for AISI 316L (austenitic steel), ie in the range from 10−9 to 10−8 m2 · s−1. However, the solubility (Ks) in MANET is about an order of magnitude lower than in the austenitic steel, ie in the range 10−3 to 10−2 mol· m−3 · Pa−1/2. Changes of these properties caused by a phase change of the material at temperatures above 673 K are discussed. The hydrogen and deuterium data obtained were used to calculate the tritium solubility and diffusivity data by means of quantum-statistical theories.
