Effects of Electromagnetic Field on Surface Roughness of High-activity TiAl Alloys

Li Bangsheng; Liu Aihui; Bi Weisheng; Sui Yanwei; Guo Jingjie; Fu Hengzhi

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Effects of Electromagnetic Field on Surface Roughness of High-activity TiAl Alloys
Issue 1, Pages: 4-6(2008)
Published： 2008 ，
DOI：

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[1]李邦盛,刘爱辉,毕维生,隋艳伟,郭景杰,傅恒志.电磁场对TiAl合金试样表面粗糙度的影响[J].特种铸造及有色合金,2008(01):4-6+5.

Li Bangsheng, Liu Aihui, Bi Weisheng, et al. Effects of Electromagnetic Field on Surface Roughness of High-activity TiAl Alloys. [J]. Special Casting & Nonferrous Alloys (1):4-6(2008)
[1]李邦盛,刘爱辉,毕维生,隋艳伟,郭景杰,傅恒志.电磁场对TiAl合金试样表面粗糙度的影响[J].特种铸造及有色合金,2008(01):4-6+5. DOI：

Li Bangsheng, Liu Aihui, Bi Weisheng, et al. Effects of Electromagnetic Field on Surface Roughness of High-activity TiAl Alloys. [J]. Special Casting & Nonferrous Alloys (1):4-6(2008) DOI：

摘要

研究了电磁场作用下

氧化物陶瓷铸型的种类、粒度和保温功率对Ti50Al合金试样表面粗糙度的影响规律

分析了电磁场作用下表面粗糙度的形成机理。结果表明

在电磁场作用下

在5种氧化物陶瓷材料中所得Ti50Al合金试样的表面粗糙度大小依次为

Ra（Y2O3）<Ra[ZrO2（Y2O3）]<Ra[ZrO2（CaO）]<Ra（CaO）<Ra（Al2O3）;Ti50Al合金试样的表面粗糙度随着耐火材料粒度和保温功率的减小而降低。

Abstract

The effects of the types of oxide ceramic moulds and particles size of oxide ceramics as well as heating power on surface roughness of Ti50Al alloy specimens were examined in the condition of electromagnetic field

and the formation mechanism of surface roughness was approached.It is found that under electromagnetic filed

the orders of surface roughness of Ti50Al alloys prepared in five kinds of ceramic moulds are as follows:Ra（Al2O3）>Ra（CaO）>Ra（ZrO2

CaO）>Ra（ZrO2

Y2O3）>Ra（Y2O3）.Meanwhile

the surface roughness of Ti50Al alloy specimens is declined with decreasing in particle size of refractory and heating power.

关键词

电磁场表面粗糙度Ti50Al合金界面反应

Keywords

Electromagnetic FieldSurface RoughnessTi50Al AlloyInterface Reaction

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Research Status and Progress of Influence of Physical External Fields on Microstructure and Mechanical Properties of Alloys

Chaotic Advection in Semi-solid Alloy Melt Induced by Electromagnetic Field and Effects on Solidified Microstructure

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Study on the Interface Reaction betweenSeveral Molding Materials and Ti153 Alloy