Diffusion of hydrogen in the TRIP 800 steel

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F16%3A86099949" target="_blank" >RIV/61989100:27360/16:86099949 - isvavai.cz</a>

Result on the web

<a href="http://www.sciencedirect.com/science/article/pii/S2211812816000213" target="_blank" >http://www.sciencedirect.com/science/article/pii/S2211812816000213</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.mspro.2016.03.012" target="_blank" >10.1016/j.mspro.2016.03.012</a>

Result language

angličtina

Original language name

Diffusion of hydrogen in the TRIP 800 steel

Original language description

The presented paper is devoted to the study of hydrogen diffusion characteristics in the C-Mn-Si TRIP 800 steel. The steel was tested in three different states: in as-received state after hot and cold rolling and subsequent heat treatment; and furthermore after 5% and 10% tensile deformation. Hydrogen diffusion characteristics were studied by means of electrochemical permeation method. Two build up transients corresponding to lower and higher charging current densities as well as a decay transient were recorded during experiment. The lowest values of hydrogen diffusion coefficient (from 1.10(-7) to 3.5.10(-7) cm(2). s(-1)) were observed during the first build up transient; the value of 3.5.10(-7) cm(2). s(-1) corresponded to 10% tensile deformation. During the 2nd build up transient corresponding to the higher charging current density, hydrogen diffusion coefficients increased markedly reflecting thus the fact that hydrogen trapping was less pronounced. For decay transients hydrogen diffusion coefficients were situated between values obtained for the 1st and 2nd build up transients. In all studied states, rather high sub-surface hydrogen concentration was observed during the 1st build up transient rising to 12.6 ppm of hydrogen in as-received state. The obtained results are explained taking into account steel microstructure and hydrogen trapping. (C) 2016 The Authors. Published by Elsevier Ltd.

Czech name

—

Czech description

—

Type

D - Article in proceedings

CEP classification

JG - Metallurgy, metal materials

OECD FORD branch

—

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)

Publication year

2016

Confidentiality

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

Article name in the collection

Procedia Materials Science. Volume 12

ISBN

—

ISSN

2211-8128

e-ISSN

—

Number of pages

6

Pages from-to

66-71

Publisher name

Elsevier

Place of publication

Amsterdam

Event location

Ostrava

Event date

Sep 8, 2014

Type of event by nationality

EUR - Evropská akce

UT code for WoS article

000386622900012