A new method of extractive crystallization-double liquid-phase extractive crystallization for musk was put forward, in which the components are in the eutectic state.
对组分处于低共熔点的麝香体系提出了一种新的萃取方法&双液相萃取结晶。
A MATHEMATICAL STUDY ON THE PHASE TRANSFORMATION MECHANISM OF CARBON STEEL& Eutectic Solid State Phase Transformation at Phase Boundaries under Overcooling Isothermal Condition
碳钢相变机制的数学研究&过冷等温时碳钢中相界面共格的固态相变
The variation of the carbon diffusion coefficient at the vicinity of the phase boundary during the process of eutectic solid state phase transformation of the phase boundary was analyzed.
然后分析了碳钢在过冷等温时,相界面共格的固态相变过程中,相界面附近碳的扩散系数变化的情况;
The results showed that the graphite deposited during the period of primary and eutectic crystal helped to reduce the contract of liquid state and solidification, to improve the tendency of shrinkage cavity and porosity.
实验结果表明,初晶、共晶期间析出的石墨有助于减少液态收缩与凝固收缩,改善耐热球墨可锻铸铁形成缩孔缩松的倾向。
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