首页> 外文会议>International symposium on liquid metal processing amp; casting 2013 >A STUDY OF SLAG AND STEEL LEAKAGE INFLUENCE FACTORS DURING ELECTROSLAG REMELTING WITHDRAWING PROCESS
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A STUDY OF SLAG AND STEEL LEAKAGE INFLUENCE FACTORS DURING ELECTROSLAG REMELTING WITHDRAWING PROCESS

机译:电渣重熔拉拔过程中渣和钢渗漏影响因素的研究

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摘要

The electroslag remelting withdrawing ( ESRW ) process overcomes the shortcomings of the traditional electroslag remelting (ESR) process such as the low production efficiency and high cost, and so on. The main features of ESRW compared to traditional ESR are a continuous relative movement between ingot and mold, and electrode exchange with several times and ingot withdrawing. The key technology for ESRW is how to avoid the leakage of liquid slag and steel from the mold during ingot withdrawing process. It is found that the slag properties including shrinkage, high temperature strength and plasticity, lubrication and friction of slag skin on slag-metal interface, ingot solidification shrinkage behavior, process coordination control are the key factors which influence the leakage of liquid slag and steel in ESRW process. In addition, a multi-taper mold present in this paper is beneficial to obtain good surface quality of ingot based on mathematical modeling of ESRW process.
机译:电渣重熔抽出(ESRW)工艺克服了传统电渣重熔(ESR)工艺生产效率低,成本高等缺点。与传统的ESR相比,ESRW的主要特征是铸锭和铸模之间的连续相对运动以及多次更换电极和撤出铸锭的过程。 ESRW的关键技术是在铸锭抽出过程中如何避免液态渣和钢从模具中泄漏出来。结果表明,渣的收缩,高温强度和可塑性,渣表皮在渣-金属界面上的润滑和摩擦,铸锭凝固收缩行为,过程协调控制等渣性能是影响渣中钢渣和钢液渗漏的关键因素。 ESRW流程。另外,基于ESRW工艺的数学模型,本文中提出的多锥度模具有利于获得良好的铸锭表面质量。

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