- Tian hang
Tian hang
Western Energy Material Technologies Co,Ltd,Xi’an
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Search for this author on this site - Zhou Jun
Zhou Jun
Western Energy Material Technologies Co,Ltd,Xi’an
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Search for this author on this site - Gong Weijia
Gong Weijia
State Key Laboratory for Advanced Metals and Materials,University of Science and Technology Beijing
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Search for this author on this site - Zhang Hailong
Zhang Hailong
State Key Laboratory for Advanced Metals and Materials,University of Science and Technology Beijing
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Western Energy Material Technologies Co,Ltd,Xi’an,Western Energy Material Technologies Co,Ltd,Xi’an,State Key Laboratory for Advanced Metals and Materials,University of Science and Technology Beijing,State Key Laboratory for Advanced Metals and Materials,University of Science and Technology Beijing
National Magnetic Confinement Fusion Program (2014GB121001)
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Niobium acts as a main alloying element in the third generation zirconium alloys. The role of Nb element in the alloys is greatly concerned. The influences of Nb content on the microstructure and recrystallization process of Zr-xNb (x=0, 0.3, 0.7, 1.0) alloys were studied by means of transmission electron microscopy (TEM), optical microscopy (OM) and Vickers micro-hardness testing. The results show that with increasing Nb content the quantity of the precipitates increases and the mean size of the precipitate particles decreases. Meanwhile, the recrystallization process is slowed down by the precipitates, especially in the case of Zr-1Nb alloy. The main precipitates were found to be Zr(Nb,Fe,Cr)2 and β-Nb in Zr-0.3Nb and Zr-1Nb, respectively.
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[Tian hang, Zhou Jun, Gong Weijia, Zhang Hailong. Influence of Nb content on microstructure and recrystallization process of Zr-xNb alloys[J]. Rare Metal Materials and Engineering,2017,46(12):3994~3999.]
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History
- Received:November 02,2015
- Revised:August 23,2016
- Adopted:September 14,2016
- Online: January 04,2018