Microstructures and textures of pure magnesium deformed in plane-strain compression

Magnesium, the lightest structural metal, is approximately four times lighter than steel—the most widely used metal in industrial applications. Currently available Mg alloys, however, are impractically expensive for use in automotive structural components, as severe ductility problems require forming operations at elevated temperatures and an exclusion from critical safety components. With a strong impetus in research having sprung up during the last two decades, addition of rare-earth elements in small quantities emerged as a potential solution for simultaneously delivering the ductility and weight requirements for automotive applications. These improvements are arguably achieved by virtue of texture weakening and enhancement of non-basal slip. However, ways by which rare-earth elements modify texture remain very elusive, and no consensus on the driving mechanisms has been reached in the literature as of yet. We take a look back at different paradigms held for the action of rare-earth additions, and examine key facts that may reconcile controversies. We attempt to identify critical gaps and suggest venues to overcome them. These gaps, once filled, may promote Mg alloys to become a stronghold for lightweighting, which will exceptionally benefit our environment and wellbeing.

A review on the effect of rare-earth elements on texture evolution during processing of magnesium alloys

Simulation of deformation twins and deformation texture in an AZ31 Mg alloy under uniaxial compression

Tailoring the texture of magnesium alloy by twinning deformation to improve the rolling capability

https://hal.univ-lorraine.fr/hal-01514735/document

On the selection of extension twin variants with low Schmid factors in a deformed Mg alloy

Retaining {100} texture from initial columnar grains in electrical steels

The invention discloses a welding method of oil gas transmission antisulphour steel pipelines, which comprises the steps of: 1, treating welding joints of the antisulphour steel pipelines, 2, conducting positioned welding on the welding joints of the adjacent antisulphour steel pipelines, 3, controlling preheating temperature and interlayer temperature of the welding joints, 4, conducting argon tungsten-arc root welding on the welding joints of the adjacent pipelines, 5, conducting manual arc hot welding, filling welding and cosmetic welding on the welding joints of the adjacent pipelines with low-hydrogen electrodes, and 6, conducting post-welding hydrogen removal heat treatment on the welding joints. According to the welding method, since the argon tungsten-arc root welding is combined with the manual arc hot welding, filling welding and cosmetic welding with the low hydrogen electrode, the welding joints with good corrosion resistance and crack resistance can be obtained by effectively controlling the welding parameters, preheating temperature and post-welding heat treatment temperature; the oil gas pipelines can operate stably and safely in service under a sulphated working condition; and the welding method has an active significance in the development of a sulphated oil and gas field.

Welding method of oil gas transmission antisulphour steel pipelines

Effect of Cathodic Polarization Potential on Hydrogen Induced Stress Cracking of Duplex Stainless Steel

Experimental determination and theoretical prediction of twin orientations in magnesium alloy AZ31

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Retaining {100} texture from initial columnar grains in electrical steels

Welding method of oil gas transmission antisulphour steel pipelines

Effect of Cathodic Polarization Potential on Hydrogen Induced Stress Cracking of Duplex Stainless Steel

Experimental determination and theoretical prediction of twin orientations in magnesium alloy AZ31