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Erschienen in: Metallurgical and Materials Transactions A 7/2009

01.07.2009

On the Influence of Alloy Composition on the Fracture Toughness of Two-Phase Ti-Al-Nb Alloys Undergoing Stress-Induced Martensitic Transformation

verfasst von: Archana Paradkar, B.P. Kashyap, A.K. Gogia, S.V. Kamat

Erschienen in: Metallurgical and Materials Transactions A | Ausgabe 7/2009

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Abstract

The effect of alloy composition on the fracture toughness of Ti-Al-Nb alloys, which undergo stress-induced martensitic transformation (SIMT), was investigated for a given volume fraction of primary α 2. Both Ti-18Al-8Nb and Ti-15Al-12Nb alloys exhibited lower fracture toughness values as compared to Ti-15Al-8Nb alloy, which indicated that higher Al or Nb was detrimental to fracture toughness in these alloys in the presence of primary α 2. The results were explained on the basis of the effect of composition on fracture toughness contributions due to SIMT as well as ductile fracture.

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Metadaten
Titel
On the Influence of Alloy Composition on the Fracture Toughness of Two-Phase Ti-Al-Nb Alloys Undergoing Stress-Induced Martensitic Transformation
verfasst von
Archana Paradkar
B.P. Kashyap
A.K. Gogia
S.V. Kamat
Publikationsdatum
01.07.2009
Verlag
Springer US
Erschienen in
Metallurgical and Materials Transactions A / Ausgabe 7/2009
Print ISSN: 1073-5623
Elektronische ISSN: 1543-1940
DOI
https://doi.org/10.1007/s11661-009-9849-6

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