Anomalous Strain Rate Sensitivity of Twinning in a Magnesium Alloy at High Temperature

Anomalous Strain Rate Sensitivity of Twinning in a Magnesium Alloy at High Temperature

(ProQuest: ... denotes formulae and/or non-USASCII text omitted; see image) Anomalous strain rate sensitivity of ... ... twinning was observed in a Mg-Al-Mn magnesium alloy during extrusion around 723 K (450 °C). The density of ... ... twins decreases as the ram speed increases. At 10 mm min^sup -1^...

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Veröffentlicht in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2013-10, Vol.44 (10), p.4480
Hauptverfasser: Ma, Quancang, Li, Bin, Mcclelland, Zackery, Horstemeyer, Stephen J
Format: Artikel
Sprache:eng
Schlagworte:
Deformation
High temperature
Lubricants & lubrication
Magnesium alloys
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Zusammenfassung:(ProQuest: ... denotes formulae and/or non-USASCII text omitted; see image) Anomalous strain rate sensitivity of ... ... twinning was observed in a Mg-Al-Mn magnesium alloy during extrusion around 723 K (450 °C). The density of ... ... twins decreases as the ram speed increases. At 10 mm min^sup -1^, relatively high density twins are activated, but much fewer twins were observed at 30 mm min^sup -1^; at 50 mm min^sup -1^, twins were hardly seen. The negative strain rate sensitivity was ascribed to the interaction of ... ... twinning with defects.[PUBLICATION ABSTRACT]
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-013-1948-8