The results show that the nitriding depth was determined accurately by the carbon concentration profiles.

结果表明：由渗氮试样的碳浓度分布曲线可精确确定渗氮层深。

youdao

The results show that the hardening depth of steel by composite treatment is much larger than that of single treatment of ion nitriding.

结果证明：复合处理的淬硬层深度大于非氮化激光处理的硬化层。

youdao

The results of experiments showed that the Nb can raise the depth of diffusion zone, hardness, wear resistance, strength and toughness of the nitriding layer of the matrix steel.

实验结果表明，铌能增加扩散层深度、硬度及耐磨性，提高渗层的强韧性。

youdao

The results of experiments showed that the Nb can raise the depth of diffusion zone, hardness, wear resistance, strength and toughness of the nitriding layer of the matrix steel.

实验结果表明，铌能增加扩散层深度、硬度及耐磨性，提高渗层的强韧性。

youdao