Computational and Experimental Analysis of Carbo-Nitride Precipitation in Tempered Martensite

被引：12

作者：

Zamberger, Sabine ^{[1
]}

Wojcik, Tomasz ^{[2
]}

Klarner, Juergen ^{[3
]}

Kloesch, Gerald ^{[1
]}

Schifferl, Herbert ^{[1
]}

Kozeschnik, Ernst ^{[4
]}

机构：

[1] Voestalpine Stahl Donawitz GmbH & Co KG, A-8700 Leoben, Austria

[2] Vienna Univ Technol, Univ Serv Ctr Transmiss Electron Microscopy, A-1040 Vienna, Austria

[3] Voestalpine Tubulars GmbH & Co KG, A-8652 Kindberg, Austria

[4] Vienna Univ Technol, Inst Mat Sci & Technol, Christian Doppler Lab Early Stages Precipitat, A-1040 Vienna, Austria

来源：

STEEL RESEARCH INTERNATIONAL | 2013年 / 84卷 / 01期

关键词：

computational analysis; microalloyed steel; precipitation kinetics; tempered martensite; FIELD-ION MICROSCOPY; LOW-ALLOY STEEL; MICROALLOYED STEEL; SIMULATION; CEMENTITE; KINETICS; ELEMENTS; CARBIDES; SYSTEMS; GROWTH;

D O I：

10.1002/srin.201200047

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The present work describes the analysis of carbo-nitride precipitation kinetics in tempered martensite of NbTi-microalloyed steel with a carbon content of 0.3?wt%. Based on the information obtained from transmission electron microscopy and scanning electron microscopy, a computational simulation procedure is developed within the software package MatCalc, which is capable of describing the experimental results in terms of the number density, composition, and type of precipitate phases. No explicit fitting parameters are used in the computer simulation. The input data is entirely based on independent physical or microstructural parameters. To determine the chemical composition and type of precipitates, energy dispersive X-ray spectroscopy and selected area electron diffraction are utilized. The simulation results and the experimentally obtained information are in good agreement.

引用

页码：20 / 30

页数：11

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