An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
An update of the NIST Standard Reference Database Number 30, the Structural Ceramics Database, has been completed. This update, designated here as Version June 2001, increases the number of reference citations from 431 to 731, and increases the number of property values from approximately 15000 to approximately 31000. To accomplish this update, a new computerized translation program was developed to convert the data files used on a personal computer (for compilation and evaluation purposes) to a representation using hypertext markup language (for use on the World Wide Web).