Bolt load retention and creep response of AS41 alloyed with 0.15% Ca

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Bolt load retention and creep response of AS41 alloyed with 0.15% Ca. / Anopuo, Okechukwu; Huang, Yuanding; Hort, Norbert et al.
in: SAE International Journal of Materials and Manufacturing, Jahrgang 3, Nr. 1, 08.2010, S. 202-210.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Anopuo O, Huang Y, Hort N, Dieringa H, Kainer KU. Bolt load retention and creep response of AS41 alloyed with 0.15% Ca. SAE International Journal of Materials and Manufacturing. 2010 Aug;3(1):202-210. doi: 10.4271/2010-01-0404

Bibtex

@article{256cda2acda341a7a8106addada4bb7a,
title = "Bolt load retention and creep response of AS41 alloyed with 0.15% Ca",
abstract = "Understanding the creep and bolt load retention (BLR) behaviour of promising Mg-Al alloys are crucial to developing elevated temperature resistance alloys. This is especially true for elevated temperature automotive applications with a prevalence of bolted joints. In this study, creep and fastener clamp load response of Mg-Al alloy AS41 was investigated and compared to that of Mg4Al and AS41 micro-alloyed with 0.15% Ca. A compliance-creep approach was used to model the response of these Mg-Al alloys at bolted joints. The equation prediction of the BLR response and experimental results are in good agreement. AS41+0.15 Ca shows improved creep and BLR properties up to 175 °C. A correlation between the microstructures, creep and BLR results reveal that the formation of a ternary CaMgSi phase is responsible for the improved elevated temperature behaviour.",
keywords = "Engineering",
author = "Okechukwu Anopuo and Yuanding Huang and Norbert Hort and Hajo Dieringa and Kainer, {Karl Ulrich}",
year = "2010",
month = aug,
doi = "10.4271/2010-01-0404",
language = "English",
volume = "3",
pages = "202--210",
journal = "SAE International Journal of Materials and Manufacturing",
issn = "1946-3979",
publisher = "SAE International",
number = "1",
note = "World Congress and Exhibition SAE 2010 ; Conference date: 13-04-2010 Through 13-04-2010",

}

RIS

TY - JOUR

T1 - Bolt load retention and creep response of AS41 alloyed with 0.15% Ca

AU - Anopuo, Okechukwu

AU - Huang, Yuanding

AU - Hort, Norbert

AU - Dieringa, Hajo

AU - Kainer, Karl Ulrich

PY - 2010/8

Y1 - 2010/8

N2 - Understanding the creep and bolt load retention (BLR) behaviour of promising Mg-Al alloys are crucial to developing elevated temperature resistance alloys. This is especially true for elevated temperature automotive applications with a prevalence of bolted joints. In this study, creep and fastener clamp load response of Mg-Al alloy AS41 was investigated and compared to that of Mg4Al and AS41 micro-alloyed with 0.15% Ca. A compliance-creep approach was used to model the response of these Mg-Al alloys at bolted joints. The equation prediction of the BLR response and experimental results are in good agreement. AS41+0.15 Ca shows improved creep and BLR properties up to 175 °C. A correlation between the microstructures, creep and BLR results reveal that the formation of a ternary CaMgSi phase is responsible for the improved elevated temperature behaviour.

AB - Understanding the creep and bolt load retention (BLR) behaviour of promising Mg-Al alloys are crucial to developing elevated temperature resistance alloys. This is especially true for elevated temperature automotive applications with a prevalence of bolted joints. In this study, creep and fastener clamp load response of Mg-Al alloy AS41 was investigated and compared to that of Mg4Al and AS41 micro-alloyed with 0.15% Ca. A compliance-creep approach was used to model the response of these Mg-Al alloys at bolted joints. The equation prediction of the BLR response and experimental results are in good agreement. AS41+0.15 Ca shows improved creep and BLR properties up to 175 °C. A correlation between the microstructures, creep and BLR results reveal that the formation of a ternary CaMgSi phase is responsible for the improved elevated temperature behaviour.

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=85072369669&partnerID=8YFLogxK

U2 - 10.4271/2010-01-0404

DO - 10.4271/2010-01-0404

M3 - Journal articles

AN - SCOPUS:85072369669

VL - 3

SP - 202

EP - 210

JO - SAE International Journal of Materials and Manufacturing

JF - SAE International Journal of Materials and Manufacturing

SN - 1946-3979

IS - 1

T2 - World Congress and Exhibition SAE 2010

Y2 - 13 April 2010 through 13 April 2010

ER -

DOI