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钢中残铝是钢中经常要求分析的一个成份,其含量高低是反映冶炼工艺信息及钢中脱氧程度的一个重要标志,对于控制冶炼条件、强化钢材组织结构、改善钢质性能、提高钢材产品质量均有着重要意义.为此,有必要从浇注的工艺条件,不同的采样方式,不同的钻取样部位以及试样加工的不同粒度对钢中残铝成份偏析的情况进行考查,以保证分析出来的结果具有代表性,能真实地反映冶炼规律.一、影响残铝成份的因素钢中残余铝,通常化学分析中称作酸溶铝.一般是在炼钢终了加入铝用作脱氧剂;对于某些合金钢,除加入作为钢种成份外,有的作为形成氮化铝以达到强化组织结构的作用.钢中残铝成份是考查水口堵塞的影响因素之
The residual aluminum in steel is an ingredient often required in steel analysis. The content is an important symbol reflecting the information of smelting process and the degree of deoxidation in steel. It is very important for controlling the smelting conditions, strengthening the structure of steel, improving the properties of steel, Quality is of great significance.Therefore, it is necessary to cast from the process conditions, different sampling methods, different parts of the drilling sample and sample processing of different particle size segregation of residual aluminum in steel to examine the situation in order to ensure that the analysis Of the results are representative and can truly reflect the law of smelting.A, the factors affecting the composition of residual aluminum Residual aluminum in steel, usually called chemical analysis of acid-soluble aluminum.Aluminum is generally added at the end of the steel used as a deoxidizer; for Some of the alloy steel, in addition to adding as a steel component, and some as the formation of aluminum nitride in order to achieve the role of strengthening the structure of the steel residual aluminum component is to examine the impact of blockage