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首页> 外文会议>Riso international symposium on materials science >Role of copper on Laves phase morphology in 9-12Cr steels
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Role of copper on Laves phase morphology in 9-12Cr steels

机译：铜对9-12％Cr钢中Laves相形态的作用

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In this work the Laves phase was found to appear in two different morphologies, namely granular shapes and in an elongated shape. No difference in crystallography could be detected between these morphologies. The Laves phase was only observed in its elongated form in Cu-containing steels, where it was the primary morphology present after short term ageing. After long term ageing, the elongated Laves phase was replaced by the granular morphology. It is speculated that Cu precipitates act as nucleation sites for the elongated Laves phase, resulting in an unstable orientation relationship with the matrix, an in the meta-stable elongated morphology of Laves phase precipitates.
机译：在这项工作中，发现拉夫斯相以两种不同的形态出现，即颗粒状和细长形。在这些形态之间未检测到晶体学差异。拉维斯相仅在含铜钢中以拉长形式观察到，在短时效处理后，它是主要形态。长期老化后，拉维斯拉维斯相被颗粒状形态所取代。据推测，Cu沉淀物充当拉夫斯相拉长相的成核位点，导致与基体的不稳定取向关系，这是拉夫斯相沉淀物的亚稳态拉长形貌。

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