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Frontiers in Energy

, Volume 12, Issue 1, pp 121–126 | Cite as

Experimental research on thermal transport properties of crystallized palladium-based alloys

  • Siyuan Cheng
  • Xuguo Shi
  • Weigang Ma
  • Xing Zhang
  • Guanglai Liu
  • Mingxiang Pan
  • Weihua Wang
Research Article
  • 22 Downloads

Abstract

Palladium-based alloy is a kind of material with a high glass forming ability and can be easily formed into an amorphous state. After an annealing process, it can also be maintained at a crystallized state. To study the thermal and electrical transport properties of crystallized palladium-based alloys, the steady-state T-type method, standard four-probe method, and AC heating-DC detecting T-type method were used to measure the thermal conductivity, electrical conductivity, and Seebeck coefficient of crystallized Pd40Ni10Cu30P20 and Pd43Ni10-Cu27P20 alloys respectively. The results show that compared to amorphous samples, the thermal conductivity and electrical conductivity of crystallized palladium-based alloys are significantly higher, while the Seebeck coefficient is lower. The ratio of crystallized and amorphous thermal conductivity is higher for Pd43Ni10Cu27P20 alloy fiber which has a higher glass forming ability, while the ratio of electronic thermal conductivity almost remains constant for both alloy fibers. The results also show that the slope of electrical resistivity to temperature is a function of elemental composition for crystallized quaternary palladium-based alloy fibers. The sensitivity of thermal conductivity and electrical conductivity to the composition is high, while the correlation between Seebeck coefficient and composition is relatively weak.

Keywords

palladium-based alloy T-type method thermal conductivity electrical conductivity Seebeck coefficient 

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Notes

Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant Nos. 51327001, 51576105, 51336009, and 51636002), the Science Fund for Creative Research Groups (Grant No. 51621062), and the Initiative Scientific Research Program of Tsinghua University.

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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Siyuan Cheng
    • 1
  • Xuguo Shi
    • 1
  • Weigang Ma
    • 1
  • Xing Zhang
    • 1
  • Guanglai Liu
    • 2
  • Mingxiang Pan
    • 2
  • Weihua Wang
    • 2
  1. 1.Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Engineering MechanicsTsinghua UniversityBeijingChina
  2. 2.Institute of PhysicsChinese Academy of SciencesBeijingChina

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