Influences of temperatures on tungsten copper alloy prepared by microwave sintering

Lei Xu, Mi Yan, Jinhui Peng, C. Srinivasakannan, Yi Xia, Libo Zhang, Guo Chen, Hongying Xia, Shixing Wang

Research output: Contribution to journalLetterpeer-review

14 Scopus citations


The CuW80 alloy was prepared by the method of microwave vacuum sintering. The effects of temperatures on the performance of CuW80 alloy was assessed based on the relative density and hardness. The micro structure of alloy was characterized using scanning electron microscopy, while XRD was utilized to identify the structure changes. Experimental results indicate CuW80 alloy with excellent performance under vacuum conditions prepared by microwave sintering. Density was found to increase with increase in sintering temperature linearly until 1200 C, while the rate of increase was found to reduce at higher temperatures, reaching an asymptote. The maximum relative density of the alloy was estimated to be 97.95% at 1300 C. At a sintering temperature of 1200 C, CuW80 alloy was more uniform with the main phase of alloy being Cu0.4W0.6 (PDF: 50-1451) and maximum hardness being 222 HBS.

Original languageBritish English
Pages (from-to)34-37
Number of pages4
JournalJournal of Alloys and Compounds
StatePublished - 25 Oct 2014


  • Cu-W alloy
  • Material properties
  • Microstructure
  • Microwave sintering


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