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研究了低合金高强度非调质中厚板钢中添加稀土（REM）和Ca、Mg微量元素对大线高能焊接热影响区（HAZ）显微组织微细化和晶内针状铁素体（IAF）......

For a V-Ti-N microalloyed steel with 0.34%C-1.54%Mn,intragranular ferrite (IGF) was obtained in both isothermal austenit......

本文综述了近年来出现的陶瓷基纳米复合材料的研究进展，介绍了这类新材料的多种制备方法，内部微观结构中的“内晶型”复合结构，力学行......

The behaviour of the particles in solidification inter face front was studies,and the equctionof the critical inter face......