金属学几个基本理论细节之探讨

The discussion on the basic theories in metallurgical science

论述了金属学基本理论中关于六方系晶向指数确定方法，位错理论中的６个方向问题，奥氏体化过程中的成分变化问题，提出了作者的独特见解。

The paper mainly discusses such problems as the way of determination of Miller-Bravais index of hexagonal lattice structure,six directions in the dislocation theory and the changes of components in austenization of eutectiod steel.The paper also puts forward a unique point of view on the details of the relevant theories and presents explanations of the textbook of physical metallurgy on its faults and uncertainties.