Martensitic Twinning in Alpha + Beta Ti-3.5Al-4.5Mo Titanium Alloy | Zendy

LI Changfu | Zendy; Geping Li | Zendy; Yi Yang | Zendy; Mesut Varlioglu | Zendy; Ke Yang | Zendy

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Martensitic Twinning in Alpha + Beta Ti-3.5Al-4.5Mo Titanium Alloy

Author(s) -

LI Changfu,

Geping Li,

Yi Yang,

Mesut Varlioglu,

Ke Yang

Publication year - 2011

Publication title -

journal of metallurgy

Language(s) - English

Resource type - Journals

eISSN - 1687-9473

pISSN - 1687-9465

DOI - 10.1155/2011/924032

Subject(s) - crystal twinning , martensite , quenching (fluorescence) , materials science , alloy , orthorhombic crystal system , transmission electron microscopy , titanium alloy , titanium , crystallography , metallurgy , microstructure , chemistry , crystal structure , nanotechnology , physics , optics , fluorescence

The twinning structure of the orthorhombic martensite phase in alpha + beta Ti-3.5Al-4.5Mo (wt%) titanium alloy was studied using X-ray diffraction and transmission electron microscopy by water quenching from below transus temperatures. While water quenching from 910∘C induced the formation of {110}∘ twins, quenching from 840∘C formed the martensite with {111}∘ type I twins. The effect of the principle strains on the twinning structure was discussed. As compared to the previous studies, the principle strains play an important role in the formation of the twinning type

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