Tempered Forming of Magnesium Alloys Using the Example of Roll Forming

Richter, Karsten; Haase, Rico; Schieck, Frank; Landgrebe, Dirk

doi:10.1016/j.matpr.2015.05.018

Cited by 5 publications

(3 citation statements)

References 3 publications

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“…Currently, the best results have been obtained for the processes of co-extrusion of magnesium pipes with the use of mandrels, while as for the other methods of plastic working, the progress in the field of their forging and stamping is clearly noticeable. At the same time, innovative methods of rolling sheets of magnesium alloys [ 10 , 11 , 12 , 13 , 14 , 15 ] are being developed. For example, Kurz et al [ 10 ] presented the results of the casting experiments with the use of twin rolls of AZ31 (MgAl3Zn1) magnesium alloy tapes.…”

Section: Introductionmentioning

confidence: 99%

“…Hu et al [ 12 ] analyzed the development of a model of the twin-roll casting of magnesium alloy by uniting equations of temperature and flow fields. Results of the experimental rolling process with AZ31 (MgAl3Zn1) in extended temperatures have been presented in [ 13 ]. Neh et al [ 14 ] focused on opportunities for the production of strips via twin-roll casting and strip rolling of several magnesium alloys containing aluminum or rare earth elements.…”

Section: Introductionmentioning

confidence: 99%

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The Influence of Conventional or KOBO Extrusion Process on the Properties of AZ91 (MgAl9Zn1) Alloy

et al. 2021

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Designers’ efforts to use the lightest possible materials with very good mechanical properties mean that in recent years magnesium alloys have been increasingly used. It is well-known that the use of various plastic working processes allows achieving even better strength properties of the material, often without significant loss of plastic properties in relation to the properties of products obtained in the casting process. The article presents the results of research on microstructural changes and mechanical properties of the alloy AZ91 (MgAl9Zn1) occurring in samples subjected to conventional plastic deformation and the KOBO method. The obtained results were compared to the properties of reference samples, i.e., cast samples. The article presents the advantage of using the low-temperature KOBO method compared to the high-temperature deformation in a conventional manner. Moreover, it has been shown that the use of KOBO extrusion allows the alloy AZ91 (MgAl9Zn1) to obtain superplasticity properties with an elongation of up to 577% compared to the cast reference sample, which is generally classified as difficult for plastic deformation.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Influence of Conventional or KOBO Extrusion Process on the Properties of AZ91 (MgAl9Zn1) Alloy

et al. 2021

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“…K. Richter and R. Haase [5] had presented a roll forming process with magnesium alloys can validated on a near-industrial scale with sheet metal strips and concluded out the temperature is one of the most significant impacts on process ability. Zhou Sui and Zhongyi Cai [6] had designed a continuous flexible roll bending process.…”

Section: Introductionmentioning

confidence: 99%

Study of Roll Forming Bending in Different Temperature

Zhang¹

2016

IJMSA

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Abstract:Flexible roll forming is a high efficiency sheet metal forming process for producing variable cross section profiles.Also spring-back is one of the most important problems in flexible roll forming process. Spring-back is severe during the unloading phase of bending and greatly affects the forming accuracy of the bending parts. In this paper, the spring-back of the flexible roll forming in different temperature have been studied using finite element analysis. The simulation is elaborated by using ABAQUS software linked to elastic-plastic modules which we developed taking into account of interactions between these fields. According to finite element analysis results, the bending after roll forming has been analyzed. Therefore, we can make the comparison of the spring-back and forming force under different temperature from the finite element analysis. A flexible roll forming setup was developed and some parameters in the simulation have been discussed. AZ31 magnesium alloys were used in the simulation and assumed the material is isotropic.

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Investigations of sheet metal forming by vaporizing metal foils

Cai

2019

Int J Adv Manuf Technol

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Tempered Forming of Magnesium Alloys Using the Example of Roll Forming

Cited by 5 publications

References 3 publications

The Influence of Conventional or KOBO Extrusion Process on the Properties of AZ91 (MgAl9Zn1) Alloy

The Influence of Conventional or KOBO Extrusion Process on the Properties of AZ91 (MgAl9Zn1) Alloy

Study of Roll Forming Bending in Different Temperature

Investigations of sheet metal forming by vaporizing metal foils

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