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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/12131

Title: On the Influence of Alloy Composition on the Fracture Toughness of Two-Phase Ti-Al-Nb Alloys Undergoing Stress-Induced Martensitic Transformation
Authors: PARADKAR, A
KASHYAP, BP
GOGIA, AK
KAMAT, SV
Keywords: trigger stress
volume fraction
transient creep
grain-size
Issue Date: 2009
Publisher: SPRINGER
Citation: METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 40A(7), 1604-1610
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 alpha (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 alpha (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.
URI: http://dx.doi.org/10.1007/s11661-009-9849-6
http://dspace.library.iitb.ac.in/xmlui/handle/10054/12131
http://hdl.handle.net/10054/12131
ISSN: 1073-5623
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