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Austenitizmg temperature and hardenability of low-carbon boron steels

机译:低碳硼钢的奥氏体化温度和淬透性

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摘要

The hardenabihty of boron steels was discussed in terms of precipitation behavior and phase stability of M_(23)(C,B)_6 borocarbide in accordance with austenitizing temperature. A higher austenitizing temperature reduced the hardenability of Mo-added boron steel by the preferred precipitation of borocarbide because it caused a significant increase in boron concentration segregated to the austenite grain boundary due to grain coarsening and a non-equilibrium segregation mechanism.
机译:根据奥氏体化温度,根据M_(23)(C,B)_6硼碳化物的析出行为和相稳定性,讨论了硼钢的淬透性。较高的奥氏体化温度通过优选的硼碳化物沉淀降低了添加Mo的硼钢的淬透性,因为这会由于晶粒粗化和非平衡偏析机制而导致偏析到奥氏体晶界的硼浓度显着增加。

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