Study of residual stress and vacancy defects in oxide dispersion strengthened steels

V. Sluge; J. Veternikova; Simo Kilpeläinen

doi:10.1016/j.phpro.2012.06.018

Study of residual stress and vacancy defects in oxide dispersion strengthened steels

V. Sluge, J. Veternikova^*, Simo Kilpeläinen

^*Tämän työn vastaava kirjoittaja

Teknillisen fysiikan laitos

Slovak University of Technology

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussa › Conference article in proceedings › Scientific › vertaisarvioitu

129 Lataukset (Pure)

Abstrakti

This study was focused on commercial oxide-dispersion strengthened (ODS) steels - MA 956 (20%Cr), ODM 751 (16%Cr) and ODS Eurofer (9%Cr), developed for fuel cladding of GEN IV reactors. The ODS steels are described in order to comparison their microstructure features. Vacancy defects were observed by Doppler Broadening Spectroscopy (DBS) and Positron Annihilation Lifetime Spectroscopy (PALS). Residual stress proportional to all kinds of defects was investigated by Magnetic Barkhausen Noise (MBN) measurement.

The positron techniques demonstrated the highest defect concentration for ODS Eurofer followed by MA 956. The lowest defect density belongs to ODM 751; although these defects are the largest (three or four vacancy clusters). MA 956 and ODS Eurofer have di-vacancies in predominance. MBN results are in a good accordance with positron techniques. The highest residual stress is for ODS Eurofer, followed by MA 956. Finally, the lowest residual stress proportional to hardness is found for ODM 751. (c) 2012 The Authors Published by Elsevier B.V. Selection and/or peer-review under responsibility of Organizing Committee.

Alkuperäiskieli	Englanti
Otsikko	Positron Studies of Defects 2011
Toimittajat	S Eijt, H Schut
Kustantaja	Elsevier Science B.V.
Sivut	98-103
Sivumäärä	6
DOI - pysyväislinkit	https://doi.org/10.1016/j.phpro.2012.06.018
Tila	Julkaistu - 2012
OKM-julkaisutyyppi	A4 Artikkeli konferenssijulkaisussa
Tapahtuma	International Workshop on Positron Studies of Defects - Delft, Alankomaat Kesto: 28 elok. 2011 → 2 syysk. 2011 Konferenssinumero: 7

Julkaisusarja

Nimi	Physics Procedia
Kustantaja	ELSEVIER SCIENCE BV
Vuosikerta	35
ISSN (painettu)	1875-3892

Workshop

Workshop	International Workshop on Positron Studies of Defects
Lyhennettä	PSD
Maa/Alue	Alankomaat
Kaupunki	Delft
Ajanjakso	28/08/2011 → 02/09/2011

Pääsy asiakirjaan

10.1016/j.phpro.2012.06.018

1-s2.0-S1875389212019554-mainFinal published version, 680 KBLisenssi: CC BY-NC-ND

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@inproceedings{6522aa30e22c41168d0c20193a32715f,

title = "Study of residual stress and vacancy defects in oxide dispersion strengthened steels",

abstract = "This study was focused on commercial oxide-dispersion strengthened (ODS) steels - MA 956 (20%Cr), ODM 751 (16%Cr) and ODS Eurofer (9%Cr), developed for fuel cladding of GEN IV reactors. The ODS steels are described in order to comparison their microstructure features. Vacancy defects were observed by Doppler Broadening Spectroscopy (DBS) and Positron Annihilation Lifetime Spectroscopy (PALS). Residual stress proportional to all kinds of defects was investigated by Magnetic Barkhausen Noise (MBN) measurement.The positron techniques demonstrated the highest defect concentration for ODS Eurofer followed by MA 956. The lowest defect density belongs to ODM 751; although these defects are the largest (three or four vacancy clusters). MA 956 and ODS Eurofer have di-vacancies in predominance. MBN results are in a good accordance with positron techniques. The highest residual stress is for ODS Eurofer, followed by MA 956. Finally, the lowest residual stress proportional to hardness is found for ODM 751. (c) 2012 The Authors Published by Elsevier B.V. Selection and/or peer-review under responsibility of Organizing Committee.",

keywords = "ODS steels, Positron Annihilation Lifetime Spectroscopy, Doppler Broadening Spectroscopy, Magnetic Barkhausen Noise, SLOW POSITRON BEAM, ANNIHILATION, ALLOYS",

author = "V. Sluge and J. Veternikova and Simo Kilpel{\"a}inen",

year = "2012",

doi = "10.1016/j.phpro.2012.06.018",

language = "English",

series = "Physics Procedia",

publisher = "Elsevier Science B.V.",

pages = "98--103",

editor = "S Eijt and H Schut",

booktitle = "Positron Studies of Defects 2011",

address = "Netherlands",

note = "International Workshop on Positron Studies of Defects , PSD ; Conference date: 28-08-2011 Through 02-09-2011",

}

Sluge, V, Veternikova, J & Kilpeläinen, S 2012, Study of residual stress and vacancy defects in oxide dispersion strengthened steels. julkaisussa S Eijt & H Schut (toim), Positron Studies of Defects 2011. Physics Procedia, Vuosikerta 35, Elsevier Science B.V., Sivut 98-103, International Workshop on Positron Studies of Defects , Delft, Alankomaat, 28/08/2011. https://doi.org/10.1016/j.phpro.2012.06.018

Study of residual stress and vacancy defects in oxide dispersion strengthened steels. / Sluge, V.; Veternikova, J.; Kilpeläinen, Simo.
Positron Studies of Defects 2011. toim. / S Eijt; H Schut. Elsevier Science B.V., 2012. s. 98-103 (Physics Procedia; Vuosikerta 35).

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussa › Conference article in proceedings › Scientific › vertaisarvioitu

TY - GEN

T1 - Study of residual stress and vacancy defects in oxide dispersion strengthened steels

AU - Sluge, V.

AU - Veternikova, J.

AU - Kilpeläinen, Simo

N1 - Conference code: 7

PY - 2012

Y1 - 2012

N2 - This study was focused on commercial oxide-dispersion strengthened (ODS) steels - MA 956 (20%Cr), ODM 751 (16%Cr) and ODS Eurofer (9%Cr), developed for fuel cladding of GEN IV reactors. The ODS steels are described in order to comparison their microstructure features. Vacancy defects were observed by Doppler Broadening Spectroscopy (DBS) and Positron Annihilation Lifetime Spectroscopy (PALS). Residual stress proportional to all kinds of defects was investigated by Magnetic Barkhausen Noise (MBN) measurement.The positron techniques demonstrated the highest defect concentration for ODS Eurofer followed by MA 956. The lowest defect density belongs to ODM 751; although these defects are the largest (three or four vacancy clusters). MA 956 and ODS Eurofer have di-vacancies in predominance. MBN results are in a good accordance with positron techniques. The highest residual stress is for ODS Eurofer, followed by MA 956. Finally, the lowest residual stress proportional to hardness is found for ODM 751. (c) 2012 The Authors Published by Elsevier B.V. Selection and/or peer-review under responsibility of Organizing Committee.

AB - This study was focused on commercial oxide-dispersion strengthened (ODS) steels - MA 956 (20%Cr), ODM 751 (16%Cr) and ODS Eurofer (9%Cr), developed for fuel cladding of GEN IV reactors. The ODS steels are described in order to comparison their microstructure features. Vacancy defects were observed by Doppler Broadening Spectroscopy (DBS) and Positron Annihilation Lifetime Spectroscopy (PALS). Residual stress proportional to all kinds of defects was investigated by Magnetic Barkhausen Noise (MBN) measurement.The positron techniques demonstrated the highest defect concentration for ODS Eurofer followed by MA 956. The lowest defect density belongs to ODM 751; although these defects are the largest (three or four vacancy clusters). MA 956 and ODS Eurofer have di-vacancies in predominance. MBN results are in a good accordance with positron techniques. The highest residual stress is for ODS Eurofer, followed by MA 956. Finally, the lowest residual stress proportional to hardness is found for ODM 751. (c) 2012 The Authors Published by Elsevier B.V. Selection and/or peer-review under responsibility of Organizing Committee.

KW - ODS steels

KW - Positron Annihilation Lifetime Spectroscopy

KW - Doppler Broadening Spectroscopy

KW - Magnetic Barkhausen Noise

KW - SLOW POSITRON BEAM

KW - ANNIHILATION

KW - ALLOYS

U2 - 10.1016/j.phpro.2012.06.018

DO - 10.1016/j.phpro.2012.06.018

M3 - Conference article in proceedings

T3 - Physics Procedia

SP - 98

EP - 103

BT - Positron Studies of Defects 2011

A2 - Eijt, S

A2 - Schut, H

PB - Elsevier Science B.V.

T2 - International Workshop on Positron Studies of Defects

Y2 - 28 August 2011 through 2 September 2011

ER -

Study of residual stress and vacancy defects in oxide dispersion strengthened steels

Abstrakti

Julkaisusarja

Workshop

Pääsy asiakirjaan

Sormenjälki

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