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首页> 外文会议>International Conference on Microalloying for New Steel Processes and Applications; 20050907-09; Basque Country(ES) >Effect of Niobium on the Phase Transformation Behavior of Aluminum Containing Steels for TRIP Products
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Effect of Niobium on the Phase Transformation Behavior of Aluminum Containing Steels for TRIP Products

机译：铌对TRIP产品中含铝钢相变行为的影响

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Among advanced high strength steels, there has been a particular interest in TRIP steels because of their unique combination of strength and ductility. These steels are characterized by complex microstructures containing various amounts of ferrite, bainite, retained austenite and perhaps martensite. Undoubtedly, therefore, understanding the transformation behavior of these steels is necessary in developing these products. Recently, the focus has been on aluminum based TRIP steels because of their relative ease of coatability. However, the search continues to obtain higher and higher strength in these steels without further additions of silicon. The addition of niobium to aluminum based steel compositions has been the object of recent studies at Ispat Inland Research Laboratories. The effect of niobium on the phase transformation behavior in these steels is reported in this paper. In particular, the kinetics of austenite formation as well as the CCT and TTT behaviors of these steels have been studied in detail. The results of these studies should form an important basis for the development of these transformation-based steels.
机译：在先进的高强度钢中，TRIP钢因其强度和延展性的独特结合而特别受关注。这些钢的特征在于复杂的微观结构，其中包含各种数量的铁素体，贝氏体，残余奥氏体，甚至还有马氏体。因此，毫无疑问，在开发这些产品时必须了解这些钢的相变行为。最近，由于铝基TRIP钢相对易于涂覆，因此其重点一直放在铝基TRIP钢上。然而，在不进一步添加硅的情况下，人们继续在这些钢中获得越来越高的强度。 Ispat Inland Research Laboratories最近的研究目标是向铝基钢成分中添加铌。本文报道了铌对这些钢的相变行为的影响。特别是，已经详细研究了奥氏体形成动力学以及这些钢的CCT和TTT行为。这些研究的结果应成为开发这些相变钢的重要基础。

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