期刊
出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2017.10.058
关键词
Titanium alloys; Slip transfer; Grain boundary/slip bands interactions; In situ tension test; Electron backscattered diffraction
Slip transfer is a major concern to understand fatigue behavior and damage, especially in titanium alloys. The presently reported investigation focused on the influence of the applied stress through the use of in situ tensile tests carried out inside a scanning electron microscope. Slip transfer between primary a nodules in Ti-6A1-4V was studied using slip trace analysis combined with the electron backscattered diffraction technique to consider crystallographic aspects. The influence of the resolved shear stress and the alignment between slip systems on slip transmission was thoroughly characterized considering a large number of blocked or transferred slip bands. In particular, the evolution of alignment and stress related indicators was assessed with respect to the applied stress.
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