Effect of boron concentration on phase transformation texture in as-solidified Ti44Al8NbxB
Effect of boron concentration on phase transformation texture in as-solidified Ti44Al8NbxB
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DOI：
10.1016/j.scriptamat.2012.03.023
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发表时间：
2012-07
影响因子：
6
通讯作者：
Chao Yang;Hui Jiang;D. Hu;A. Huang;M. Dixon
中科院分区：
文献类型：
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作者：
Chao Yang;Hui Jiang;D. Hu;A. Huang;M. Dixon
晶粒细化的 Ti44Al8NbxB (x=0.1–1) 中的织构显微组织是在固相转变过程中由 β 相转变为 Burgers α 形成的。使用电子背散射衍射织构分析确定 Burgers α 体积分数。它与合金中硼的浓度有关，并随着硼浓度的增加而降低。这种趋势可能与高硼浓度合金中液体中形成更多硼化物沉淀物有关。
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.