The Effect of Chromium on Microstructure Development during Q-P Process

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23210%2F15%3A43923885" target="_blank" >RIV/49777513:23210/15:43923885 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1016/j.matpr.2015.07.362" target="_blank" >http://dx.doi.org/10.1016/j.matpr.2015.07.362</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.matpr.2015.07.362" target="_blank" >10.1016/j.matpr.2015.07.362</a>

Result language

angličtina

Original language name

The Effect of Chromium on Microstructure Development during Q-P Process

Original language description

Martensitic microstructures with a controlled fraction of retained austenite have the potential to reach high tensile strength above 1900-2000 MPa with ductility higher than 10 %. These microstructures can be obtained by using the Q&P process. The finalproperties are obtained by using a suitable alloying strategy and a precise combination of technological parameters of the process. The Q&P process with integrated incremental deformation was tested and optimized for two high-strength steels 42SiCr and 42SiMn with 0.43 % C. The 42SiCr steel contained an additional 1.3 % of chromium. A suitable austenitization temperature was determined in the first step and then quenching and partitioning temperatures and cooling rate after deformation were optimized. The results suggest that the addition of chromium has a significant influence on the mechanical properties. Tensile strength of 1367 MPa with ductility A5mm = 7 % were obtained in 42SiMn without chromium. However, the chromium content of 1

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

JG - Metallurgy, metal materials

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Publication year

2015

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Materials Today: Proceedings

ISBN

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ISSN

2214-7853

e-ISSN

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Number of pages

4

Pages from-to

"S627"-"S630"

Publisher name

Elsevier Ltd.

Place of publication

Amsterodam

Event location

Bilbao, Španělsko

Event date

Jul 6, 2014

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

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