随激光扫描速度增大，试样中的马氏体和未溶碳化物的含量不断增加，残余奥氏体含量则连续下降。
The martensitic and undissolved carbide contents continuously increase as the laser scanning speed increases while the residual austenite decreases.
锰含量提高并选取合适的淬火温度后，残余奥氏体含量及稳定性提高，抗拉强度显著提升的同时保持了较高的伸长率。
The content and stability of retained austenite is higher after more Mn is added, and also the strength is higher with preferable elongation when the appropriate quenching temperature is chose.
随铝含量增加单相奥氏体区变小变无，液化温度降低，热加工性能恶化。
With Al content increasing, Uniphase austenite area decreases or disappears, the liquefaction temperature becomes low, and hot-workability worsens.
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