期刊
SCRIPTA MATERIALIA
卷 81, 期 -, 页码 56-59出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2014.03.011
关键词
Spark plasma sintering (SPS); Discharge; Spark plasma; Sintering mechanism
类别
资金
- National Natural Science Foundation of China (NSFC, China) [51374039]
- National Defense Key Basic Research and Development Program of China (973 Program, China) [613135]
Typical sintering experiments were conducted to understand the spark plasma sintering (SPS) mechanisms. Based on the results of the direct visual observations and characteristic microstructure analysis, we believe that spark discharge does indeed occur during the SPS process. The high-temperature spark plasma could be generated in the microgaps due to the discharge effect. Fast and efficient sintering can be achieved under the combined action of spark discharge, Joule heating, electrical diffusion and plastic deformation effect in the SPS process. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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