Published September 11, 2006
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Thermal expansion of liquid Ti–6Al–4V measured by electrostatic levitation
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Abstract
The liquid density of Ti–6Al–4V was measured over a temperature range from 1661 to 1997 K that included undercooling by as much as 280 K. The sample was levitated in an electrostatic levitator and video imaging technique was used to capture the volume changes as a function of temperature. Over the temperature range the liquid density can be expressed by rholiq(T)=4123–0.254 (T–Tm) kg/m^3, where the melting temperature Tm is 1943 K. The corresponding volume expansion coefficient is alphaliq=6.05×10^–5 K^–1 near Tm.
Additional Information
©2006 American Institute of Physics (Received 23 May 2006; accepted 19 July 2006; published online 14 September 2006) The authors would like to thank S. K. Chung and D. Barber at Jet Propulsion Laboratory for their help at the earlier stage of this work. This work was carried out at California Institute of Technology, under contract with the NASA Marshall Space Flight Center (NNM04AA21G).Files
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2006-10-06Created from EPrint's datestamp field
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