A review of different creep mechanisms in Mg alloys based on stress exponent and activation energy

KR Athul, UTS Pillai, A Srinivasan… - Advanced Engineering …, 2016 - Wiley Online Library
Magnesium being the lightest structural material, is being increasingly used in automotive
industry but at elevated temperatures, alloys like AZ91D, AM60B, AM50A etc. exhibit poor …

The activity of non-basal slip systems and dynamic recovery at room temperature in fine-grained AZ31B magnesium alloys

J Koike, T Kobayashi, T Mukai, H Watanabe, M Suzuki… - Acta materialia, 2003 - Elsevier
Fine-grained alloys of Mg-3Al-1Zn-0.2 Mn in wt.%(AZ31B) were obtained by an equal-
channel angular extrusion technique and subsequent annealing at elevated temperatures …

Dislocation creep behavior in Mg–Al–Zn alloys

H Somekawa, K Hirai, H Watanabe, Y Takigawa… - Materials Science and …, 2005 - Elsevier
The climb-controlled dislocation creep behavior was investigated in Mg–Al–Zn alloys of
AZ31, AZ61 and AZ91 with different aluminum contents. The flow stress increased with the …

Grain refinement in AZ91 magnesium alloy during thermomechanical processing

NVR Kumar, JJ Blandin, C Desrayaud… - Materials Science and …, 2003 - Elsevier
Microstructural changes during high-temperature extrusion and torsion of an AZ91 alloy (Mg–
9Al–1Zn, wt.%) were investigated. In the experimental domain studied, dynamic …

Mechanical properties of a Mg–10 (vol.%) Ti composite

P Perez, G Garces, P Adeva - Composites science and technology, 2004 - Elsevier
The present work deals with determination of the mechanical properties in the temperature
range of 25 to 300° C of a Mg–10 (vol.%) Ti composite. The composite material was …

Effects of microstructure and processing methods on creep behavior of AZ91 magnesium alloy

P Shahbeigi Roodposhti, A Sarkar, KL Murty… - Journal of Materials …, 2016 - Springer
This review sheds light on the creep properties of AZ91 magnesium alloys with a major
emphasis on the influence of microstructure on the creep resistance and underlying creep …

On the importance of a connected hard-phase skeleton for the creep resistance of Mg alloys

D Amberger, P Eisenlohr, M Göken - Acta materialia, 2012 - Elsevier
The low density of Mg alloys renders them attractive for lightweight constructions. However,
creep resistance remains an important limitation of Mg alloys for, for example, automotive …

Impression creep behavior of a cast AZ91 magnesium alloy

F Kabirian, R Mahmudi - Metallurgical and Materials Transactions A, 2009 - Springer
The creep behavior of the cast AZ91 magnesium alloy was investigated by impression
testing. The tests were carried out under constant punching stress in the range 100 to 650 …

Creep behavior of the die-cast Mg–Al alloy AS21

P Zhang - Scripta Materialia, 2005 - Elsevier
Creep behavior of the die-cast Mg–Al-based alloy AS21 was investigated at temperatures
up to 150° C in compression. The obtained stress exponent n is in the range of 13–19 …

Creep of a heat treated Mg–4Y–3RE alloy

JG Wang, LM Hsiung, TG Nieh, M Mabuchi - Materials Science and …, 2001 - Elsevier
Creep of WE43-T6 was characterized at temperatures ranging from 423 to 523 K and
stresses ranging from to 30 to 300 MPa. Creep stress exponent as well as activation energy …