Closure to “Interactive Mechanical  Model for Shear Strength of Deep Beams” by C. Y. Tang and K. H. Tan

Tang, C. Y.; Tan, Kang Hai; Zhang, Ning

doi:10.1061/(asce)0733-9445(2006)132:5(828)

Cited by 43 publications

(61 citation statements)

References 1 publication

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“…The nucleation of recrystallisation is frequently associated with boundaries in magnesium. [28][29][30][31] In Fig. 5 small grains are associated with second phase particles.…”

Section: Recrystallisationmentioning

confidence: 99%

The deformation, recrystallisation and texture of three magnesium alloy extrusions

Mackenzie¹,

Davis²,

Humphreys³

et al. 2007

Materials Science and Technology

160

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The deformation, recrystallisation and texture of three magnesium alloy extrusions, AZ31, WE43 and ZC71, have been investigated. The extruded microstructures were partially recrystallised; the nucleation of new grains was associated with boundaries, deformation features and second phase particles. The unrecrystallised grains were orientated with ,101 0. directions parallel to the extrusion axis. In AZ31 and ZC71 the recrystallised grains also exhibited a ,2 110. component, which evolved into the major component during annealing. In WE43 recrystallised grains were orientated with their basal planes at y45u to the extrusion axis; this texture component dominated the texture following annealing. The recrystallisation grain growth textures appear to be governed by growth selection where alloying elements change the grain boundary behaviour and orientation relationships for high mobility. The tensile and compressive strengths of the extrusions were affected by the texture.

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“…The nucleation of recrystallisation is frequently associated with boundaries in magnesium. [28][29][30][31] In Fig. 5 small grains are associated with second phase particles.…”

Section: Recrystallisationmentioning

confidence: 99%

The deformation, recrystallisation and texture of three magnesium alloy extrusions

Mackenzie¹,

Davis²,

Humphreys³

et al. 2007

Materials Science and Technology

160

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“…It is worth mentioning that the formation of LAGB at the initial stage of deformation and its late transformation into HAGB during the deformation are not exclusive in our DDE processed Mg alloys but a typical consequence of continuous dynamic recrystallization in the wrought Mg alloys. 27,28) Nevertheless, this structural optimization may affect or improve the poor mechanical properties of Mg alloy AZ31 significantly.…”

Section: Microstructurementioning

confidence: 99%

Microstructure Evolution of Dual-Directional-Extruded Mg Alloy AZ31: An Experimental and Simulation Study

Liu

Chen

et al. 2010

Mater. Trans.

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Combining the finite-element analytic technique with the microscopic observation, we have investigated microstructures and stress-strain distributions of the Mg alloys AZ31 processed by a new extrusion method, dual-directional extrusion. We have found that grains in the extruded alloys are refined significantly, which is attributed to the deformation-induced grain subdivision and dynamic recrystallization. Such well refined grains play a critical role in the enhancement of the long-standing poor mechanical properties of the relevant engineering Mg alloys AZ31.

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“…However, the detection methods used so far ͑turbidity, 2,3 calorimetry, 4 and fluorescence spectroscopy [5][6][7][8] ͒ are specific to macroscopic properties of the system only. Transitions between phases having a different order parameter are sensitive to the pressure jump method, due to the change in molar volume.…”

Section: Introductionmentioning

confidence: 99%

Pressure jump relaxation setup with IR detection and millisecond time resolution

Schiewek

Krumova

Hempel

et al. 2007

Review of Scientific Instruments

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An instrument is described that allows the use of Fourier transform infrared (FTIR) spectroscopy as a detection system for kinetic processes after a pressure jump of up to 100 bars. The pressure is generated using a high performance liquid chromatography (HPLC) pump and water as a pressure transducing medium. A flexible membrane separates the liquid sample in the IR cell from the pressure transducing medium. Two electromagnetic switching valves in the setup enable pressure jumps with a decay time of 4 ms. The FTIR spectrometer is configured to measure time resolved spectra in the millisecond time regime using the rapid scan mode. All components are computer controlled. For a demonstration of the capability of the method first results on the kinetics of a phase transition between two lamellar phases of an aqueous phospholipid dispersion are presented. This combination of FTIR spectroscopy with the pressure jump relaxation technique can also be used for other systems which display cooperative transitions with concomitant volume changes.

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Closure to “Interactive Mechanical Model for Shear Strength of Deep Beams” by C. Y. Tang and K. H. Tan

Cited by 43 publications

References 1 publication

The deformation, recrystallisation and texture of three magnesium alloy extrusions

The deformation, recrystallisation and texture of three magnesium alloy extrusions

Microstructure Evolution of Dual-Directional-Extruded Mg Alloy AZ31: An Experimental and Simulation Study

Pressure jump relaxation setup with IR detection and millisecond time resolution

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