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Bolt Load Retention Response and Creep of AS41 Mg-Alloy
Citation Link: https://doi.org/10.15480/882.822
Publikationstyp
Doctoral Thesis
Date Issued
2010
Sprache
English
Author(s)
Advisor
Title Granting Institution
Technische Universität Hamburg
Place of Title Granting Institution
Hamburg
Examination Date
2010-07-12
TORE-DOI
This work studies the creep and bolt load retention (BLR) response of permanent mould AS41 Mg-alloy. Results show that fastener clamp load loss of AS41 is due to creep of the alloy at bolted joint during service. Creep of AS41 Mg-alloy is dominated by grain boundary sliding and dislocation climb depending on the stress and temperature under consideration. Pore development around solute segregated regions was found to influence creep deformation. BLR of AS41 was successfully modelled using compliance-creep relationship and FEA approach.
Subjects
Kriechen
Magnesiumlegierung
creep
bolt load retention
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