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Influence of Niobium on Structure/Property Relationships in C-Mn Shipbuilding Steel

机译:铌对C-Mn造船钢结构/性能关系的影响

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摘要

The effect of niobium microaddition in C-Mn steel on microstructure, tensile properties, ductile-brittle transition temperature, and weldability have been investigated. Niobium microaddition adversely affects the transition temperature and toughness of the heat-affected zone, counteracting its favorable effects of refined grain size and low inclusion and pearlite content.
机译:研究了C-Mn钢中微量添加铌对组织,拉伸性能,韧性-脆性转变温度和可焊性的影响。微量添加铌会对热影响区的转变温度和韧性产生不利影响,抵消了其提纯晶粒度,低夹杂物和珠光体含量的有利作用。

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