Ni含量对高强度低合金钢淬透性影响的晶体学认识
苏帅, 韩鹏, 杨善武, 王华, 金耀辉, 尚成嘉

Crystallographic Understanding of the Effect of Ni Content on the Hardenability of High-Strength Low-Alloy Steel
SU Shuai, HAN Peng, YANG Shanwu, WANG Hua, JIN Yaohui, SHANG Chengjia
表4 0.92Ni钢和2.94Ni钢在冷速为0.5℃/s时的板条束、亚板条束、块边界密度和Vickers硬度
Table 4 Boundary densities of blocks, sub-blocks, and packets; and Vickers hardnesses of 0.92Ni steel and 2.94Ni steel cooled at 0.5oC/s
SteelBoundary density / μm-1Vickers
BlockSub-blockPacket(θ < 15°)

Packet

(θ > 15°)

hardness

HV

0.92Ni0.340.010.020.12325 ± 11
2.94Ni1.130.020.030.25407 ± 5