Origins and importance of fine secondary α in slowly cooled Ti6Al4V
It has been known for sometime that slowly cooled Ti6Al4V (Ti64) contains only about 10vol% of β and that this β takes three different forms. Firstly, there are thin volumes of interfacial β, between the grains of α, which are clearly the remains of the β present at high temperatures left when α rep...
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EDP Sciences
2020-01-01
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| Series: | MATEC Web of Conferences |
| Online Access: | https://www.matec-conferences.org/articles/matecconf/pdf/2020/17/matecconf_ti2019_12042.pdf |
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doaj-f357b5dc3cca40c1ac1f6a529f153f662021-08-11T12:58:33ZengEDP SciencesMATEC Web of Conferences2261-236X2020-01-013211204210.1051/matecconf/202032112042matecconf_ti2019_12042Origins and importance of fine secondary α in slowly cooled Ti6Al4VWang M.0Lu Y.1Pang B.2Kloenne Z. T.3Fraser H. L.4Chiu Y. L.5Loretto M. H.6Metallurgy and Materials, University of BirminghamMetallurgy and Materials, University of BirminghamMetallurgy and Materials, University of BirminghamCenter for the Accelerated Maturation of Materials,Department of Materials Science and Engineering, The Ohio State UniversityCenter for the Accelerated Maturation of Materials,Department of Materials Science and Engineering, The Ohio State UniversityMetallurgy and Materials, University of BirminghamMetallurgy and Materials, University of BirminghamIt has been known for sometime that slowly cooled Ti6Al4V (Ti64) contains only about 10vol% of β and that this β takes three different forms. Firstly, there are thin volumes of interfacial β, between the grains of α, which are clearly the remains of the β present at high temperatures left when α replaces the β present at high temperatures, by diffusion and boundary migration. Secondly, there are regions of roughly equiaxed β at triple points, but some of this β contains very fine secondary α, whereas the other grains are retained β. Analytical transmission electron microscopy has been used in an attempt to understand the origin of these two different types of equiaxed β grains. It has been found that grains, which are retained β contain about 20wt%V, but the β grains that contain secondary α originate from parent β grains that have only about 14wt%V. The origin and the significance of these observations will be discussed in the presentation.https://www.matec-conferences.org/articles/matecconf/pdf/2020/17/matecconf_ti2019_12042.pdf |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
Wang M. Lu Y. Pang B. Kloenne Z. T. Fraser H. L. Chiu Y. L. Loretto M. H. |
| spellingShingle |
Wang M. Lu Y. Pang B. Kloenne Z. T. Fraser H. L. Chiu Y. L. Loretto M. H. Origins and importance of fine secondary α in slowly cooled Ti6Al4V MATEC Web of Conferences |
| author_facet |
Wang M. Lu Y. Pang B. Kloenne Z. T. Fraser H. L. Chiu Y. L. Loretto M. H. |
| author_sort |
Wang M. |
| title |
Origins and importance of fine secondary α in slowly cooled Ti6Al4V |
| title_short |
Origins and importance of fine secondary α in slowly cooled Ti6Al4V |
| title_full |
Origins and importance of fine secondary α in slowly cooled Ti6Al4V |
| title_fullStr |
Origins and importance of fine secondary α in slowly cooled Ti6Al4V |
| title_full_unstemmed |
Origins and importance of fine secondary α in slowly cooled Ti6Al4V |
| title_sort |
origins and importance of fine secondary α in slowly cooled ti6al4v |
| publisher |
EDP Sciences |
| series |
MATEC Web of Conferences |
| issn |
2261-236X |
| publishDate |
2020-01-01 |
| description |
It has been known for sometime that slowly cooled Ti6Al4V (Ti64) contains only about 10vol% of β and that this β takes three different forms. Firstly, there are thin volumes of interfacial β, between the grains of α, which are clearly the remains of the β present at high temperatures left when α replaces the β present at high temperatures, by diffusion and boundary migration. Secondly, there are regions of roughly equiaxed β at triple points, but some of this β contains very fine secondary α, whereas the other grains are retained β. Analytical transmission electron microscopy has been used in an attempt to understand the origin of these two different types of equiaxed β grains. It has been found that grains, which are retained β contain about 20wt%V, but the β grains that contain secondary α originate from parent β grains that have only about 14wt%V. The origin and the significance of these observations will be discussed in the presentation. |
| url |
https://www.matec-conferences.org/articles/matecconf/pdf/2020/17/matecconf_ti2019_12042.pdf |
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