About: Structure and mechanical properties of Fe-25Al-5Zr and Fe-30Al-5Zr intermetallic alloys     Goto   Sponge   NotDistinct   Permalink

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  • Iron aluminides are seen as promising candidates for high temperature structural materials to replace expensive nickel-chromium-based stainless steel. Due to their long-distance-ordered structure they exhibit some advantageous properties as an excellent corrosion resistance, low density, high specific stiffness and low raw material cost. On the other hand, they are inherently brittle at ambient temperatures and have insufficient high temperature strength and creep resistance. It has been shown that addition of Zr into Fe-Al-based material leads to precipitation hard ternary intermetallic phases which may enh tau1 phase which have a significant effect on the R0.2 yield stress. In this paper, light optical microscopy, scanning electron microscopy, X-ray diffraction and high temperature pressure test were used to characterize the structure and mechanical properties of Fe-25Al- 5Zr and Fe-30Al5-Zr alloys in as cast state and after heat treatment.
  • Iron aluminides are seen as promising candidates for high temperature structural materials to replace expensive nickel-chromium-based stainless steel. Due to their long-distance-ordered structure they exhibit some advantageous properties as an excellent corrosion resistance, low density, high specific stiffness and low raw material cost. On the other hand, they are inherently brittle at ambient temperatures and have insufficient high temperature strength and creep resistance. It has been shown that addition of Zr into Fe-Al-based material leads to precipitation hard ternary intermetallic phases which may enh tau1 phase which have a significant effect on the R0.2 yield stress. In this paper, light optical microscopy, scanning electron microscopy, X-ray diffraction and high temperature pressure test were used to characterize the structure and mechanical properties of Fe-25Al- 5Zr and Fe-30Al5-Zr alloys in as cast state and after heat treatment. (en)
Title
  • Structure and mechanical properties of Fe-25Al-5Zr and Fe-30Al-5Zr intermetallic alloys
  • Structure and mechanical properties of Fe-25Al-5Zr and Fe-30Al-5Zr intermetallic alloys (en)
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  • Structure and mechanical properties of Fe-25Al-5Zr and Fe-30Al-5Zr intermetallic alloys
  • Structure and mechanical properties of Fe-25Al-5Zr and Fe-30Al-5Zr intermetallic alloys (en)
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  • RIV/46747885:24210/12:#0002786!RIV13-MSM-24210___
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  • Iron aluminides; Intermetallics; Structure; High temperature mechanical properties (en)
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  • KEJZLAR, Pavel
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