Results show that the ratio of hardness of matrix to that of interface transition zone decreases with the increase of cement replacement level by blast furnace slag;
试验结果显示：随矿渣取代水泥质量分数的增加，基体与界面过渡区之间压痕硬度的差异减少；
This paper presents a simplified plastic zone method with consideration of the influences of the plastic zone length on the stiffness matrix for elastic-plastic analysis of steel frames.
对于杆件单元，本文采用了一种变刚度的杆单元模型，建立了考虑塑性铰分布长度影响的构件单元刚度矩阵。
The results show that the microstructure of laser alloying zone is compact, grain is fine, and has metallurgical bonding with matrix.
实验表明：激光合金化层组织致密，晶粒细化，与基体呈冶金结合。
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