常用材料声阻抗及声速表.pdf
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常用材料声阻抗及声速表.pdf
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MaterialLongitudinalVelocityShearVelocityAcousticImpedanceAir.013.33-.0004Aluminum.256.3.123.117.0AluminaOxide.399.9.235.832.0Beryllium.5112.9.358.923.0BoronCarbide.4311.0-26.4Brass.174.3.082.036.7Cadmium.112.8.0591.524.0Copper.184.7.0892.341.6Glass(crown).215.3.123.018.9Glycerin.0751.9-2.42Gold.133.2.0471.262.6Ice.164.0.082.03.5Inconel.225.7.123.047.2Iron.235.9.133.245.4Iron(cast).184.6.102.633.2Lead.0852.2.03.724.6Magnesium.235.8.123.010.0Mercury.0571.4-19.6Molybdenum.256.3.133.464.2Monel.215.4.112.747.6Neoprene.0631.6-2.1Nickel.225.6.123.049.5Nylon,6-6.102.6.0431.12.9Oil(SAE30).0671.7-1.5Platinum.133.3.0671.769.8Plexiglass.112.7.0431.13.1Polyethylene.071.9.02.51.7Polystyrene.0932.4.041.12.5Polyurethane.0701.9-1.9Quartz.235.8.0872.215.2Rubber,Butyl.071.8-2.0Silver.143.6.061.638.0Steel,mild.235.9.133.246.0Steel,stainless.235.8.123.145.4Teflon.061.4-3.0Tin.133.3.071.724.2Titanium.246.1.123.127.3Tungsten.205.2.112.9101.0Uranium.133.4.082.063.0Water.05841.48-1.48Zinc.174.2.092.429.6
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- 常用 材料 声阻抗 声速
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