Mechanical damping in leaded and in lead-free alpha brass
作者： A. Wolfenden , W.H. Robinson
DOI: 10.1016/0001-6160(77)90099-2
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摘要: Abstract Using the piezoelectric composite oscillator at 40kHz and strain amplitude of 2.7 × 10 −7 −5.5 −6 we have measured mechanical damping leaded lead free alpha brass 25–400°C. We observed in on heating a decrease starting 319°C followed by sharp peak 327°C cooling an increase 305°C reaching original values for 280°C. attribute these effects to melting redistribution since no such were lead-free brass.
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