A study of α variant selection in laser solid forming Ti-6Al-4V

Maosen Fu, Yaru Yuan, Xiao Ma, Xin Lin

科研成果: 期刊稿件文章同行评审

21 引用 (Scopus)

摘要

The α variant selection of integral as-deposited Ti-6Al-4V prepared by laser solid forming (LSF) has been investigated by Electron Backscattered Diffraction (EBSD). Six types of α variants exist all areas in the deposited cuboid although its microstructure varies from basket-weave to Widmanstätten (and undeveloped basket-weave) to ultrafine basket-weave along building direction. Clusters of three α variants always dominate in medium steady zone until the columnar to equiaxed transition (CET transition) occurs. α variant selection causes strong alteration of high angle grain boundaries (HAGBs), which might be correlated with self-accommodation of shape strains.

源语言英语
页(从-至)1261-1266
页数6
期刊Journal of Alloys and Compounds
792
DOI
出版状态已出版 - 5 7月 2019

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