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New generation ultrahigh strength boron steel for automotive hot stamping technologies

T. Taylor, G. Fourlaris, P. Evans, G. Bright, George Fourlaris

Materials Science and Technology, Volume: 30, Issue: 7, Pages: 818 - 826

Swansea University Author: George Fourlaris

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DOI (Published version): 10.1179/1743284713Y.0000000409

Abstract

The automotive industry is under increasing pressure to: (1) reduce the weight of vehicles and (2) improve crash performance. ‘Hot stamped’ mild carbon–manganese–boron steel 22MnB5 has become common place in the body structure of the European vehicle over the past decade. The ultrahigh strength mart...

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Published in: Materials Science and Technology
ISSN: 0267-0836 1743-2847
Published: 2014
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa21463
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first_indexed 2015-05-18T02:03:04Z
last_indexed 2018-02-09T04:59:02Z
id cronfa21463
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spelling 2017-08-30T09:45:43.7864897 v2 21463 2015-05-17 New generation ultrahigh strength boron steel for automotive hot stamping technologies 8657854c891dd0c822008ce70ef35b6c George Fourlaris George Fourlaris true false 2015-05-17 EEN The automotive industry is under increasing pressure to: (1) reduce the weight of vehicles and (2) improve crash performance. ‘Hot stamped’ mild carbon–manganese–boron steel 22MnB5 has become common place in the body structure of the European vehicle over the past decade. The ultrahigh strength martensitic microstructure resulting from hot stamping (proof strength ∼1200 MPa and ultimate tensile strength ∼1500 MPa) enables down gauging while not compromising crash performance. However, with demands for yet higher strength in the final component so to enable further down gauging, novel grades must be developed. In this paper, development of the novel grade 38MnB5 was reported. Following hot stamping, 38MnB5 demonstrated proof strength in excess of 1400 MPa and ultimate tensile strength in excess of 2000 MPa. Owing to the immense strength, the novel grade 38MnB5 was considered to offer significant down gauging and weight reduction opportunities to the automotive industry. Journal Article Materials Science and Technology 30 7 818 826 0267-0836 1743-2847 31 12 2014 2014-12-31 10.1179/1743284713Y.0000000409 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2017-08-30T09:45:43.7864897 2015-05-17T08:58:07.8773646 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised T. Taylor 1 G. Fourlaris 2 P. Evans 3 G. Bright 4 George Fourlaris 5
title New generation ultrahigh strength boron steel for automotive hot stamping technologies
spellingShingle New generation ultrahigh strength boron steel for automotive hot stamping technologies
George Fourlaris
title_short New generation ultrahigh strength boron steel for automotive hot stamping technologies
title_full New generation ultrahigh strength boron steel for automotive hot stamping technologies
title_fullStr New generation ultrahigh strength boron steel for automotive hot stamping technologies
title_full_unstemmed New generation ultrahigh strength boron steel for automotive hot stamping technologies
title_sort New generation ultrahigh strength boron steel for automotive hot stamping technologies
author_id_str_mv 8657854c891dd0c822008ce70ef35b6c
author_id_fullname_str_mv 8657854c891dd0c822008ce70ef35b6c_***_George Fourlaris
author George Fourlaris
author2 T. Taylor
G. Fourlaris
P. Evans
G. Bright
George Fourlaris
format Journal article
container_title Materials Science and Technology
container_volume 30
container_issue 7
container_start_page 818
publishDate 2014
institution Swansea University
issn 0267-0836
1743-2847
doi_str_mv 10.1179/1743284713Y.0000000409
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 0
active_str 0
description The automotive industry is under increasing pressure to: (1) reduce the weight of vehicles and (2) improve crash performance. ‘Hot stamped’ mild carbon–manganese–boron steel 22MnB5 has become common place in the body structure of the European vehicle over the past decade. The ultrahigh strength martensitic microstructure resulting from hot stamping (proof strength ∼1200 MPa and ultimate tensile strength ∼1500 MPa) enables down gauging while not compromising crash performance. However, with demands for yet higher strength in the final component so to enable further down gauging, novel grades must be developed. In this paper, development of the novel grade 38MnB5 was reported. Following hot stamping, 38MnB5 demonstrated proof strength in excess of 1400 MPa and ultimate tensile strength in excess of 2000 MPa. Owing to the immense strength, the novel grade 38MnB5 was considered to offer significant down gauging and weight reduction opportunities to the automotive industry.
published_date 2014-12-31T03:25:28Z
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score 11.012924

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