Influence of annealing process on microstructure and mechanical properties of C-Mn dual phase steel

被引：1
|
作者：
Sebek, M. [1 ,2 ]
Hornak, P. [2 ]
Longauer, S. [2 ]
Zimovcak, P. [3 ]
Zahumensky, P. [3 ]
机构：
[1] Slovak Acad Sci, Inst Mat Res, Kosice 04200, Slovakia
[2] Tech Univ Kosice, Fac Met, Dept Mat Sci, Kosice, Slovakia
[3] US Steel Kosice Sro, Vstupny Areal US Steel, Kosice 04454, Slovakia
来源：
KOVOVE MATERIALY-METALLIC MATERIALS | 2015年 / 53卷 / 05期
关键词：
dual phase steel; annealing simulation; microstructure evolution; transmission electron microscopy observations; nanoindentation method;
D O I：
10.4149/km_2015_5_341
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper deals with the influence of annealing parameters on the evolution of microstructure and mechanical properties of a dual phase steel. Simulation of annealing regimes by thermo-mechanical simulator Gleeble was conducted. The dual phase steel was annealed in laboratory conditions in accordance with three specified annealing cycles: into intercritical region (780 degrees C, into austenite region (920 degrees C) and into austenite region (920 degrees C) by subsequently cooling into intercritical region (780 degrees C) with the hold at the temperature of 495 degrees C. Dwell time at 495 degrees C simulates submerging of steel sheet into zinc bath. The obtained microstructure consists of three phases: ferritic matrix, martensite, and martensite/bainite grains. To identify the microstructure, transmission electron microscopy (TEM) and nanoindentation experiments were performed.
引用
收藏
页码：341 / 348
页数：8
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