<http://webisa.webdatacommons.org/prov/49860522>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/265810253> .
<http://webisa.webdatacommons.org/265810253>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<osti.gov> .
<http://webisa.webdatacommons.org/265810253>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/265810253>	<http://www.w3.org/ns/prov#value>	"In the formation of these ceramic composites, the single crystal SiC whiskers are mixed with fine ceramic powders of a ceramic material such as Al{sub 2}O{sub 3}, mullite, or B{sub 4}C. The mixtures which contain a homogeneous dispersion of the SiC whiskers are hot pressed at pressures in a range of about 28 to 70 MPa and temperatures in the range of about 1,600 to 1,950 C with pressing times vary" .