摘要
采用Miedema二元生成热模型 ,由热力学证明La固定钢中P是完全可能的。通过SEM及TEM手段研究了La和P的相互作用情况。电子衍射结果表明 :La和P作用生成的是LaP ,从而证实了用稀土元素减轻低O、低S钢中P危害的可能性。
Using Miedema binary formation heat model, it was confirmed thermodynamically that the fixation of P by rare earth element La is possible. The reaction between La and P was studied by means of SEM and TEM. The result of electron diffraction shows that the compound between La and P is LaP. Therefore, the possibility of reducing detrimental effect of P in low oxygen and sulfur steels by addition of rare earth metals is clarified.
出处
《中国稀土学报》
CAS
CSCD
北大核心
2000年第1期52-54,共3页
Journal of the Chinese Society of Rare Earths
关键词
热力计算
镧
钢磷
金相分析
rare earths
phosphorus
thermodynamic calculation