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Could face-centered cubic titanium in cold-rolled commercially-pure titanium only be a Ti-hydride?
Scripta Materialia ( IF 6 ) Pub Date : 2020-03-01 , DOI: 10.1016/j.scriptamat.2019.11.010
Yanhong Chang , Siyuan Zhang , Christian H. Liebscher , David Dye , Dirk Ponge , Christina Scheu , Gerhard Dehm , Dierk Raabe , Baptiste Gault , Wenjun Lu

A face-centered cubic (FCC) phase in electro-polished specimens for transmission electron microscopy of commercially pure titanium has sometimes been reported. Here, a combination of atom-probe tomography, scanning transmission electron microscopy and low-loss electron energy loss spectroscopy is employed to study both the crystal structural and chemical composition of this FCC phase. Our results prove that the FCC phase is actually a TiHx (x>1) hydride, and not a new allotrope of Ti, in agreement with previous reports. The formation of the hydride is discussed.

中文翻译:

冷轧商用纯钛中的面心立方钛只能是氢化钛吗?

有时报道了用于商业纯钛透射电子显微镜的电抛光样品中的面心立方 (FCC) 相。在这里,结合原子探针断层扫描、扫描透射电子显微镜和低损耗电子能量损失光谱来研究该 FCC 相的晶体结构和化学成分。我们的结果证明 FCC 相实际上是 TiHx (x>1) 氢化物,而不是 Ti 的新同素异形体,与之前的报告一致。讨论了氢化物的形成。
更新日期:2020-03-01
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