Journal
APPLIED PHYSICS LETTERS
Volume 93, Issue 20, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3029745
Keywords
compressive strength; dendrites; eutectic alloys; eutectic structure; iron alloys; plastic deformation; plasticity; shear strength; tin alloys; titanium alloys
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Funding
- Korea Science and Engineering Foundation (KOSEF) [R01-2007-000-10549-0]
- KEST
- Promotion-sforderung des Cusanuswerkes
- National Research Foundation of Korea [R01-2007-000-10549-0, 2007-00109] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Systematic investigations on the microstructural evolution of a bimodal eutectic (Ti70.5Fe29.5)(91)Sn-9 ultrafine composite containing Ti3Sn dendrites upon compression reveal that local deformation of the dendrites dominates the early stage of deformation with a plastic strain of epsilon(p)=5.8%. After further deformation (epsilon(p)=10.2%), a wavy propagation of shear bands indicative of dissipation of the shear stress is caused by a rotation of the coarse eutectic structure along the interfaces of the bimodal eutectic structure.
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