研究了低碳奥氏体— 马氏体双相不锈钢在不同回火温度下硬度变化规律。
This paper has studied hardness changing law of low carbon austenite-martensite double phases stainless steel at different tempering temperatures.
试验证明，当焊缝组织为下贝氏体及板条马氏体双相组织时，能有效地提高焊条的抗裂性能。
The experimental result shows that the cracking resistance can be increased effectively as dual-phase structure existed in the layer consisting of lower bainite and lath martensite.
研究表明，随着马氏体含量的增加，双相钢的最大剪切应力随之增加。
The research results show that the maximum shear stress of dual-phase steel raises with the increase of martensite content.
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