Effect of boron concentration on phase transformation texture in as-solidified Ti44Al8NbxB

Chao Yang; Hui Jiang; David Hu; Aijun Huang; Mark Dixon

doi:10.1016/j.scriptamat.2012.03.023

Effect of boron concentration on phase transformation texture in as-solidified Ti44Al8NbxB

Chao Yang, Hui Jiang, David Hu, Aijun Huang, Mark Dixon

Metallurgy and Materials

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

The textured microstructures in as-solidified grain refined Ti44Al8NbxB (x = 0.1–1) were formed by β phase transforming into Burgers α during solid-phase transformation. The Burgers α volume fraction was determined using electron backscattering diffraction texture analysis. It is related to the boron concentration in the alloys and decreases with increasing boron concentration. This trend can be associated with the formation of more boride precipitates from the liquid in alloys with a high boron concentration.

Original language	English
Pages (from-to)	85
Number of pages	4
Journal	Scripta Materialia
Volume	67
Issue number	1
Early online date	28 Mar 2012
DOIs	https://doi.org/10.1016/j.scriptamat.2012.03.023
Publication status	Published - Jul 2012

Keywords

Titanium aluminides,
Solidification microstructure,
Texture,
Electron backscattering diffraction (EBSD),
Grain refining

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10.1016/j.scriptamat.2012.03.023

http://www.sciencedirect.com/science/article/pii/S1359646212001960

Structural Metallic Systems For Advanced Gas Turbine Applications
Bowen, P. (Principal Investigator), Chiu, Y.-L. (Co-Investigator) & Reed, R. (Co-Investigator)
Engineering & Physical Science Research Council
1/10/09 → 30/09/14
Project: Research Councils

Cite this

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title = "Effect of boron concentration on phase transformation texture in as-solidified Ti44Al8NbxB",

abstract = "The textured microstructures in as-solidified grain refined Ti44Al8NbxB (x = 0.1–1) were formed by β phase transforming into Burgers α during solid-phase transformation. The Burgers α volume fraction was determined using electron backscattering diffraction texture analysis. It is related to the boron concentration in the alloys and decreases with increasing boron concentration. This trend can be associated with the formation of more boride precipitates from the liquid in alloys with a high boron concentration.",

keywords = "Titanium aluminides,, Solidification microstructure,, Texture,, Electron backscattering diffraction (EBSD),, Grain refining",

author = "Chao Yang and Hui Jiang and David Hu and Aijun Huang and Mark Dixon",

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T1 - Effect of boron concentration on phase transformation texture in as-solidified Ti44Al8NbxB

AU - Yang, Chao

AU - Jiang, Hui

AU - Hu, David

AU - Huang, Aijun

AU - Dixon, Mark

PY - 2012/7

Y1 - 2012/7

N2 - The textured microstructures in as-solidified grain refined Ti44Al8NbxB (x = 0.1–1) were formed by β phase transforming into Burgers α during solid-phase transformation. The Burgers α volume fraction was determined using electron backscattering diffraction texture analysis. It is related to the boron concentration in the alloys and decreases with increasing boron concentration. This trend can be associated with the formation of more boride precipitates from the liquid in alloys with a high boron concentration.

AB - The textured microstructures in as-solidified grain refined Ti44Al8NbxB (x = 0.1–1) were formed by β phase transforming into Burgers α during solid-phase transformation. The Burgers α volume fraction was determined using electron backscattering diffraction texture analysis. It is related to the boron concentration in the alloys and decreases with increasing boron concentration. This trend can be associated with the formation of more boride precipitates from the liquid in alloys with a high boron concentration.

KW - Titanium aluminides,

KW - Solidification microstructure,

KW - Texture,

KW - Electron backscattering diffraction (EBSD),

KW - Grain refining

U2 - 10.1016/j.scriptamat.2012.03.023

DO - 10.1016/j.scriptamat.2012.03.023

M3 - Article

SN - 1359-6462

VL - 67

SP - 85

JO - Scripta Materialia

JF - Scripta Materialia

IS - 1

ER -

Effect of boron concentration on phase transformation texture in as-solidified Ti44Al8NbxB

Abstract

Keywords

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Structural Metallic Systems For Advanced Gas Turbine Applications

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