Abstract
The influence of condensation temperature from 1000° to 275°C on the microstructure and tensile properties of titanium sheet produced by the high-rate physical vapor deposition process was studied. Deposition rates of 1 mil (250.000°A) per min were obtained. The microstructure varied with decreasing condensation temperature in the following sequence: above 883°C, transformed β; from 883° to 850°C, coarse columnar α; around 840°C, predominantly whisker growth; below 740°C, fine columnar α; below 450°C, very fine grained columnar α of less than theoretical density. The yield strength of the distilled sheet from 27,000 psi to 62,000 psi as the grain diameter decreased from 32 to 1 μ. The yield strength vs (grain diameter)-1/2 plot is linear.
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Bunshah, R.F., Juntz, R.S. Influence of condensation temperature on microstructure and tensile properties of titanium sheet produced by high-rate physical vapor deposition process. Metall Trans 4, 21–26 (1973). https://doi.org/10.1007/BF02649600
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DOI: https://doi.org/10.1007/BF02649600