The knowledge of phase equilibria in RM-Si-B systems (RM = Refractory and/or Reactive Metals) is of great interest for the elaboration of thermodynamic databases, aiming the development of high temperature materials. Despite this, no experimental investigation is available in the literature concerning the liquidus projection of the Zr-Si-B system. Based on that, in this work, the liquidus projection of the Zr-Si-B ternary system was experimentally investigated in the Zr-ZrB 2 -ZrSi 2 region via microstructural characterization of arc-melted alloys in the as-cast state using x-ray diffractometry and scanning electron microscopy. A proposal for the Zr-Si-B system liquidus projection is presented for the first time containing eight primary precipitation fields in which the ZrB 2 prevails and no signs of a ternary phase was found.

中文翻译：

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Zr-Si-B 三元体系的液相线投影

RM-Si-B 系统（RM = 难熔和/或反应性金属）中相平衡的知识对于热力学数据库的制定非常重要，旨在开发高温材料。尽管如此，关于 Zr-Si-B 系统液相线投影的文献中没有可用的实验研究。基于此，在这项工作中，通过使用 x- 对铸态电弧熔化合金的微观结构表征，在 Zr-ZrB 2 -ZrSi 2 区域中实验研究了 Zr-Si-B 三元体系的液相线投影。射线衍射和扫描电子显微镜。首次提出了 Zr-Si-B 系统液相线投影的建议，其中包含八个主要降水场，其中 ZrB 2 占主导地位，并且没有发现三元相的迹象。