Influence of the Slag Composition on the Fluorine Absorption in γ-TiAl During IESR

Influence of the Slag Composition on the Fluorine Absorption in γ-TiAl During IESR
复制标题

IESR过程中炉渣成分对γ-TiAl吸氟的影响

DOI:
10.1002/9781118998489.ch8
复制
发表时间:
2014
期刊:
影响因子:
--
通讯作者:
Bernd Friedrich
Bernd Friedrich
中科院分区:
--
文献类型:
--
作者:
Peter Spiess;Bernd Friedrich

文献摘要

参考文献

相似文献

由于γ-TiAl合金的抗氧化性,其长期使用温度限制在700℃以下。在文献中,有报道称所谓的卤素效应对γ-TiAl的抗氧化性有显著的提高。这一结论是基于气态卤化铝的形成,这些卤化铝在表面被氧化成Al2O3,从而产生保护性氧化铝垢。为了研究γ-TiAl在电渣重熔过程中对氟的吸收,并提高本体流态化生产的合金的抗氧化性,在IME进行了一系列试验。因此,在400 kW实验室规模的熔炉中,使用CaF2助熔剂重熔了Ti-45Al的多个电极。MgF2部分取代了CaF2,改变了渣的组成。对合金和炉渣进行成分分析,通过影响熔炼参数来确定含氟量。
Because of the oxidation resistance of γ-TiAl-alloys the long term use is limited to temperatures up to 700 C. In literature, it has been reported that the so called halogen effect has an outstanding improvement on the oxidation resistance of γ-TiAl. This implication is based on the forming of gaseous Al-halides which are oxidized to Al2O3 on the surface resulting in a protective alumina scale.To investigate the absorption of fluorine in γ-TiAl during electroslag remelting and to enhance the oxidation resistance of the produced alloy by bulk-fluidization a series of tests was performed at IME. Hence, in a 400 kW lab scale furnace multiple electrodes of Ti-45Al were remelted by using a CaF2 flux. The slag composition was varied by partially substitution of CaF2 with MgF2. The alloys as well as the slag were analyzed on their composition to set up the fluorine content by influencing the melting parameters.
合金钢及合金的电渣重熔
DOI: 10.1007/bf00733450
发表时间: 1970
期刊: Metallurgist
影响因子: 0.9
作者:
B. I. Medovar
通讯作者: B. I. Medovar
DOI: --
发表时间: 2008
期刊:
影响因子: --
作者:
H. Clemens
通讯作者: H. Clemens
DOI: --
发表时间: 2012
期刊:
影响因子: --
作者:
H. Zschau;M. Schütze
通讯作者: M. Schütze
新的 TiAl-Basislegierungen für den Leichtbau von Triebwerks- und Motorkomponenten – Eigenschaften、Herstellung、Anwendung
DOI: 10.1002/mawe.200600067
发表时间: 2006
影响因子: 1.1
作者:
S. Knippscheer;G. Frommeyer
通讯作者: G. Frommeyer
DOI: 10.1007/s00501-008-0396-z
发表时间: 2007
期刊: BHM Berg- und Hüttenmännische Monatshefte
影响因子: --
作者:
B. Friedrich;C. Lochbichler;J. Reitz
通讯作者: J. Reitz