Research progress on C-Si-Mn partitioned steel

doi:10.13251/j.issn.0254-6051.2024.08.004

Abstract

Abstract: Quenched and partitioned(Q&P) steel has the characteristics of low cost, good properties, and relatively simple process, and becomes a key research object of the third generation of advanced high strength steel(AHSS). C, Si and Mn elements are the basic alloying elements of the Q&P steel, which have a significant impact on the microstructure and properties of the Q&P steel. Nowadays, most of the research is based on C-Si-Mn system partitioned steel. The production process of the Q&P steel is introduced, the effect of alloy elements on the microstructure and properties of the Q&P steel is clarified, as well as the relationship between the microstructure and mechanical properties of the Q&P steel. The focus is on the influence of process parameters on microstructure and properties of the Q&P steel, and prospects for the development of the Q&P steel are made.

Key words: Q&P steel, production process, alloy elements, process parameters, microstructure, mechanical properties

CLC Number:

TG142.1

Zhang Hongliang, Zhou Chunbo, Hou Yan, Jiang Zhiqiang. Research progress on C-Si-Mn partitioned steel[J]. Heat Treatment of Metals, 2024, 49(8): 22-30.

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