| 摘要 |
A burning-on alloy for the production of ceramically veneered dental restorations, containing: <tables id="TABLE-US-00001" num="1"> <table frame="none" colsep="0" rowsep="0"> <tgroup align="left" colsep="0" rowsep="0" cols="3"> <colspec colname="OFFSET" colwidth="14PT" align="left"/> <colspec colname="1" colwidth="70PT" align="left"/> <colspec colname="2" colwidth="133PT" align="left"/> <THEAD> <ROW> <ENTRY/> <ENTRY/> </ROW> <ROW> <ENTRY/> <entry namest="OFFSET" nameend="2" align="center" rowsep="1"/> </ROW> </THEAD> <TBODY VALIGN="TOP"> <ROW> <ENTRY/> <ENTRY>cobalt</ENTRY> <ENTRY>55-65 percent by weight,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>chromium</ENTRY> <ENTRY>20-30 percent by weight,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>tungsten and/or</ENTRY> <ENTRY>where the sum of the content by weight</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>molybdenum</ENTRY> <ENTRY>of molybdenum and half the content by</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY/> <ENTRY>weight of tungsten is in the range of</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY/> <ENTRY>4 -12 percent by weight,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>gallium</ENTRY> <ENTRY>2-4 percent by weight,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>silicon</ENTRY> <ENTRY>0-2 percent by weight,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>manganese</ENTRY> <ENTRY>0.05-1.9 percent by weight,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>nitrogen</ENTRY> <ENTRY>0-0.4 percent by weight,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>carbon</ENTRY> <ENTRY>0-0.02 percent by weight,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>vanadium, niobium,</ENTRY> <ENTRY>in total 0-5 percent by weight,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>tantalum, iron,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>titanium,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>zirconium, hafnium</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>nickel</ENTRY> <ENTRY>0-0.1 percent by weight,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>rhenium, gold,</ENTRY> <ENTRY>in total 0-0.09 percent by weight,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>silver, copper</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>other metals,</ENTRY> <ENTRY>0-1 percent by weight,</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>semi-metals and</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>impurities</ENTRY> </ROW> <ROW> <ENTRY/> <entry namest="OFFSET" nameend="2" align="center" rowsep="1"/> </ROW> </TBODY> </TGROUP> </TABLE> </TABLES> where the percent by weight data are in each case based on the total weight of the alloy, is described.
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