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Author:

Arshad, Kameel (Arshad, Kameel.) | Zhao, Ming-Yue (Zhao, Ming-Yue.) | Yuan, Yue (Yuan, Yue.) | Zhang, Ying (Zhang, Ying.) | Zhao, Zhen-Hua (Zhao, Zhen-Hua.) | Wang, Bo (Wang, Bo.) (Scholars:王波) | Zhou, Zhang-Jian (Zhou, Zhang-Jian.) | Lu, Guang-Hong (Lu, Guang-Hong.)

Indexed by:

CPCI-S

Abstract:

To face the harsh environment of intense irradiations, tungsten vanadium alloys (W-5wt.% V) were fabricated by spark plasma sintering (SPS) of mechanical alloying powder under different consolidation conditions. X-ray diffraction (XRD) was used to study the phase structures of the alloy powder and the sintered material. To investigate the improvements in mechanical properties and microstructures, the sintering temperatures and dwell times were taken into account for similar composition of tungsten vanadium alloy. The mechanical properties were estimated using micro-hardness and bending strain tests. The detail morphology analysis of the polished cross sectional surface and fracture surface of the samples were performed by scanning electron microscopy (SEM) and quadrant back scattering detector (QBSD). A highest relative density was achieved by alloy material sintered at 1600 degrees C for 5 mm. The two alloy specimens, one sintered at 1100 degrees C for 2 min and then at 1600 degrees C for 3 mm and the other sintered at 1600 degrees C for 3 mm, have relatively low density but show better mechanical properties. The grain growth of tungsten and vanadium was influenced by consolidation temperature and not much by the difference in dwell time at same peak temperature.

Keyword:

Author Community:

  • [ 1 ] [Arshad, Kameel]Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China
  • [ 2 ] [Yuan, Yue]Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China
  • [ 3 ] [Zhang, Ying]Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China
  • [ 4 ] [Zhao, Zhen-Hua]Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China
  • [ 5 ] [Lu, Guang-Hong]Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China
  • [ 6 ] [Zhao, Ming-Yue]Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
  • [ 7 ] [Zhou, Zhang-Jian]Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
  • [ 8 ] [Wang, Bo]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Arshad, Kameel]Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China

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Source :

PROCEEDINGS OF 2014 11TH INTERNATIONAL BHURBAN CONFERENCE ON APPLIED SCIENCES & TECHNOLOGY (IBCAST)

ISSN: 2151-1403

Year: 2014

Page: 12-17

Language: English

Cited Count:

WoS CC Cited Count: 11

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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