@inproceedings{80b4d18e2727401085a4fef4ab1d5ec4,
title = "The effect of mould preheat temperature and casting dimensions on the reaction between TiAl alloy and the zirconia investment casting moulds",
abstract = "The casting of titanium based alloys presents considerable problems, including the extensive interactions that occur between the metal and refractory. In this work, CaO stabilised zirconia was used as a primary coat material on the investment casting mould. The reaction between the zirconia face-coat and a Ti-46Al-8Nb-lB alloy was evaluated at three mould pre-heating temperatures: 500°C, 1000°C and 1200 °C. The effect of casting dimensions on interaction was also included in this work and the computer simulation of metal cooling profiles was carried out to assist the analysis. Higher mould pre-heat temperature and larger casting dimensions enhanced the interaction between the shell and the TiAl alloy associated with longer metal solidification time. During the high temperature casting process, not only were O and Zr observed penetrating into the metal from the decomposition of the face-coat materials, but also Si which had penetrated from the backup coat was found to have interacted with the metal.",
keywords = "Casing dimension, Investment casting, Mould, Pre-heat temperature, TiAl alloy, Zirconia",
author = "Chen Yuan and Xu Cheng and Dmytro Shevchenko and Grant Holt and Paul Withey",
year = "2014",
doi = "10.1002/9781118998489.ch6",
language = "英语",
series = "TMS Annual Meeting",
publisher = "Minerals, Metals and Materials Society",
pages = "45--50",
editor = "Young-Won Kim and Wilfried Smarsly and Junpin Lin and Dimiduk, \{Dennis M.\} and Fritz Appel",
booktitle = "Gamma Titanium Aluminide Alloys 2014",
address = "美国",
note = "4th International Symposium on Gamma Titanium Aluminide Alloys, ISGTA 2014 - TMS 2014 Annual Meeting and Exhibition ; Conference date: 16-02-2014 Through 20-02-2014",
}