This work compiles, reviews, and discusses the available data and information on the electrical resistivity of ten selected binary alloy systems and presents the recommended values resulting from critical evaluation, correlation, analysis, and synthesis of the available data and information. The ten binary alloy systems selected are the systems of aluminum–copper, aluminum–magnesium, copper–gold, copper–nickel, copper–palladium, copper–zinc, gold–palladium, gold–silver, iron–nickel, and silver–palladium. The recommended values for each of the ten binary alloy systems except three (aluminum–copper, aluminum–magnesium, and copper–zinc) are given for 27 compositions: 0 (pure element), 0.5, 1, 3, 5, 10(5)95, 97, 99, 99.5, and 100% (pure element). For aluminum–copper, aluminum–magnesium, and copper–zinc alloy systems, the recommended values are given for 26, 12, and 11 compositions, respectively. For most of the alloy systems the recommended values cover the temperature range from 1 K to the solidus temperature of the alloys or to about 1200 K. For most of the nine elements constituting the alloy systems, the recommended values cover the temperature range from 1 K to above the melting point into the molten state. The estimated uncertainties in most of the recommended values are about ±3% to ±5%. Key words: alloy systems; alloys; conductivity; critically evaluated data; data analysis; data compilation; data synthesis; electrical conductivity; electrical resistivity; metals; recommended values; resistivity.
This work compiles, reviews, and discusses the available data and information on the electrical rcsis~ivity of hnfnium, molybdenum, tnntnlum, tungsten, nnd zinc nnd presents the recommended values resulting from critical evaluation, correlation, analysis, and synthesis of the available data and information. The recommended values presented are both uncorrected and also corrected for the thermal expansion of the material and cover the temperature range from 1 K to above the melting point into the molten state. The estimated uncertainties in most of the recommended values are about ± 2% to ± 10%.
Electrical stimulation (ES) of bovine carcasses is usually done to increase tenderness and has been hypothesized to increase the activity of proteolytic enzymes that may degrade structural proteins in muscle cells and cause fractures and breaks in muscle fibers, thus enhancing meat tenderness. Our objective was to compare postmortem (PM) changes in the muscle proteins, titin, nebulin, alpha-actinin, desmin, and troponin-T and in myofibrillar structure in nonstimulated (NS) and ES bovine skeletal muscle. One side of eight beef carcasses was stimulated within 1 h of death, and the other side was the NS control. Myofibrils for SDS-PAGE and samples for transmission electron microscopy were prepared from the longissimus muscle at 0, 1, 3, 7, 14, and 28 d PM. In SDS-PAGE, titin migrated as three bands in both NS and ES 0-d samples. The slowest migrating band, T1 (intact titin), decreased slightly faster in ES samples from five animals. The fastest migrating band, T2 (degraded titin), increased in amount through 3 d and was still present at 28 d. A titin monoclonal antibody (mAb) identified a large family of degradation products that migrated faster than myosin heavy chains and that was more heavily labeled in Western blots of ES samples than in NS samples. In SDS-PAGE of NS samples, intact nebulin disappeared by 3 d in three animals, by 7 d in four animals, and by 14 d in one animal, but in ES samples the nebulin band was absent by 3 d in three animals and by 7 d in five animals. SDS-PAGE showed that the amount of intact desmin decreased slightly sooner in two ES samples and was absent earlier in one ES sample than in the corresponding NS control samples. Blots labeled with a polyclonal antibody to desmin showed that a more heavily labeled 38-kDa desmin degradation product was present in ES than in NS samples. Postmortem degradation of alpha-actinin was not detected. Contraction node (CN) formation, stretching of conjoined sarcomeres adjacent to the nodes, increased frequency of I-band fractures and accelerated appearance of wide I-band fractures adjacent to the Z-line, and, in some animals, slightly accelerated degradation of titin, nebulin, and troponin-T were characteristics of ES muscle.
This work compiles, reviews, and discusses the available data and information on the electrical resistivity of aluminum and manganese and presents the recommended values resulting from critical evaluation, correlation, analysis, and synthesis of the available data and information. The recommended values presented are uncorrected and also corrected for the thermal expansion of the material and cover the temperature range from 1 K to above the melting point into the molten state for aluminum and to 700 K for manganese. The estimated uncertainties in most of the recommended values are about ±2% to ±5%.
This work reviews and discuss the available data and information on the thermal conductivity of ten selected binary alloy systems and presents the recommended values resulting from critical evaluation, analysis, and synthesis of the available data. The ten binary alloy systems selected are the systems of aluminum-copper, aluminum-magnesium, copper-gold, copper-nickel, copper-palladium; copper-zinc, gold-palladium, gold-silver, iron-nickel, and silver-palladium. The recommended values given include values of the total thermal conductivity, electronic thermal conductivity, and lattice thermal conductivity. The uncertainty of the values is generally of the order of ±10%. The values for each of the alloy systems except two are given for 25 alloy compositions: 0.5, 1, 3, 5, 10(5)95,97,99, and 99.5%. For most of the alloy compositions, the values cover the temperature range from 4 K to the solidus temperature or 1200 K. In addition, reliable methods for the estimation of the electronic and lattice thermal conductivities of alloys have been developed in this study.
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