Effect of B content on microstructure and properties of powder metallurgy Ti-2Mn-2Sn alloy

•Innovative, economical Ti-Mn-Sn-B alloys were created using a traditional pressing and sintering process.•The morphology of microstructure eventually shifts from plate to equiaxial with the inclusion of B element.•B inclusion considerably refines the grains of Ti-2Mn-2Sn alloy. Ti-2Mn-2Sn-xB (x = 0...

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Bibliographic Details
Published inMaterials letters Vol. 369; p. 136767
Main Authors Zhou, Xiangxing, Fang, Haoyu, Li, Ruidi, Yuan, Tiechui
Format Journal Article
LanguageEnglish
Published Elsevier B.V 15.08.2024
Subjects
Metals and alloys
Microstructure
Powder technology
Microstructure
Metals and alloys
Powder technology
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Summary:•Innovative, economical Ti-Mn-Sn-B alloys were created using a traditional pressing and sintering process.•The morphology of microstructure eventually shifts from plate to equiaxial with the inclusion of B element.•B inclusion considerably refines the grains of Ti-2Mn-2Sn alloy. Ti-2Mn-2Sn-xB (x = 0, 0.3, 0.5, 1, and 2 wt%) was produced in this research employing conventional powder metallurgy methods (cold pressing and sintering). The densification behavior, microstructure, and mechanical properties of Ti-2Mn-2Sn alloy caused by the addition of B were systematically studied. The outcomes indicated that the inclusion of B element can inhibit the densification behavior of Ti-2Mn-2Sn alloy. The morphology of microstructure eventually shifts from plate to equiaxial with the inclusion of B element. When the B element is less than 2 wt%, the strength of the sample exhibits an upward trend, which is mainly attributable to the combined effect of grain refinement and the presence of small amounts of TiB.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2024.136767