Investigation of the dependence of deformation mechanisms on solute content in polycrystalline Mg–Al magnesium alloys by neutron diffraction and acoustic emission

Mathis, Kristian; Capek, J.; Clausen, Bjorn; Krajnak, T; Nagarajan, D.

doi:10.1016/j.jallcom.2015.03.258

Title: Investigation of the dependence of deformation mechanisms on solute content in polycrystalline Mg–Al magnesium alloys by neutron diffraction and acoustic emission

Journal Article · Mon Apr 20 00:00:00 EDT 2015 · Journal of Alloys and Compounds

DOI:https://doi.org/10.1016/j.jallcom.2015.03.258· OSTI ID:1454981

Mathis, Kristian ^[1]; Capek, J. ^[1];

^[2]; Krajnak, T ^[1]; Nagarajan, D. ^[3]

Charles University, Prague (Czech Republic)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
University of Strathclyde, Glasgow (United Kingdom)

Influence of aluminium content on the deformation mechanisms in Mg–Al binary alloys has been studied using in-situ neutron diffraction and acoustic emission technique. Here, it is shown that the addition of the solute increases the critical resolved shear stress for twinning. Further, the role of aluminium on the solid solution hardening of the basal plane and softening of non-basal planes are discussed using results of the convolutional multiple peak profile analysis of diffraction patterns. In conclusion, the results indicate that the density of both prismatic and pyramidal dislocations increases with increasing alloying content.

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Research Organization:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC52-06NA25396

OSTI ID:: 1454981

Alternate ID(s):: OSTI ID: 1250211

Report Number(s):: LA-UR-14-29719

Journal Information:: Journal of Alloys and Compounds, Vol. 642, Issue C; ISSN 0925-8388

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

Citation Metrics:

Cited by: 22 works

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Monitoring the Evolution of Crazing Damage in an Area under Stress Concentration via Acoustic Emission Gao, Guodong; Xing, Yongming International Journal of Precision Engineering and Manufacturing, Vol. 19, Issue 4 https://doi.org/10.1007/s12541-018-0068-1	journal	April 2018
Emerging Hot Topics and Research Questions in Wrought Magnesium Alloy Development Pérez-Prado, Maria-Teresa; Bohlen, Jan; Yi, Sangbong JOM, Vol. 72, Issue 7 https://doi.org/10.1007/s11837-020-04051-5	journal	February 2020
The Role of Zn on the Elevated Temperature Compression Behavior of Mg5Nd: An In Situ Synchrotron Radiation Diffraction Study Tolnai, D.; Buzolin, R. H.; D‘Elia, F. JOM, Vol. 68, Issue 12 https://doi.org/10.1007/s11837-016-2159-8	journal	October 2016

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Title: Investigation of the dependence of deformation mechanisms on solute content in polycrystalline Mg–Al magnesium alloys by neutron diffraction and acoustic emission

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