, Volume 68, Issue 11, pp 2811–2816 | Cite as

Microstructure Variations and Creep Properties of Novel High Temperature V-Si-B Materials

  • Manja Krüger
  • Volodymyr Bolbut
  • Florian Gang
  • Georg Hasemann


Our current understanding of the properties of V-Si-B alloys produced by a powder and an ingot metallurgy route is reported. This novel group of materials with high melting points above 1900°C and a low density of 5.21–5.85 g/cm3 has been identified as a potential alloy system for applications at temperatures up to 1000°C. A powder metallurgical V-9Si-13B alloy with a three-phase microstructure is introduced and characterized in terms of creep behavior in the as-received and annealed state. Annealing at 1300°C leads to grain growth and improved creep resistance. For comparison, the same alloy composition is produced via arc-melting, yielding a coarser microstructure. Another powder metallurgically processed alloy having the nominal composition of the phase V5SiB2 is comparably assessed. Compression creep tests at temperatures between 900°C and 1050°C demonstrate that these novel alloys are competitive compared to Al-Ti materials and Ni-Co superalloys.


Creep Resistance Creep Strength Solid Solution Alloy Silicide Phase Ingot Metallurgy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



We thank B. Köppe-Grabow for assistance in the metallographic preparation. Consumables for mechanical testing were provided by the Methodisch-Diagnostisches Zentrum Werkstoffprüfung e.V. Magdeburg.


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Copyright information

© The Minerals, Metals & Materials Society 2016

Authors and Affiliations

  • Manja Krüger
    • 1
  • Volodymyr Bolbut
    • 1
  • Florian Gang
    • 2
  • Georg Hasemann
    • 1
  1. 1.Institute for Materials and Joining TechnologyOtto-von-Guericke University MagdeburgMagdeburgGermany
  2. 2.Institute for Applied MaterialsKarlsruhe Institute of TechnologyKarlsruheGermany

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