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Enthalpy and Heat Capacity of Solid Zirconium

The following comment was received on February 16, 2006. The document has not been updated yet, so please take the comment below into consideration (Equation 4) when using the document.

The original document can be found here.

From: David Martin
Sent: Thursday, February 16, 2006 4:53 AM
To: Joanne Fink
Subject: Enthalpy and heat capacity of solid Zirconium

Dear Sir or Madam,

Recently I have been looking at the material properties on your web site http://www.insc.anl.gov/matprop/thermo.php

I was particularly interested in the properties of Zirconium. When I used the equation given in your document on the "Enthalpy and heat capacity of solid Zirconium" for the beta phase of the specific heat of zirconium I found that it gave different values from those in Table 1. Checking the equation I believe that the equation should start as follows

Cp = +25.607406 + 6.80168E-04 T.......

The remaining terms I believe are correct.

Yours
Dave Martin