分析了自来水第二大缺点引起淬火硬度不均和畸变的原因。
The reason of heterogeneous quenching hardness and distortion was analyzed from second shortcoming of tap water.
弹坑表面的变形带和相变带是由非常细小马氏体板条组成，其硬度非常高，远远高于装甲钢板的基体和淬火硬度。
The deformed band and transformed band are made up of very fine martensite laths, its hardness is much higher than that of the as-quenched specimen.
即使所有其它条件保持不变，随着要淬火的零件尺寸的增加其表面硬度也会有所下降。
As the size of parts to be hardened increases, the surface hardness decreases somewhat even though all other conditions have remained the same.
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