A simple correlation between texture and earing

Benke, Márton; Hlavacs, Adrienn; Petho, D; Angel, Dávid; Sepsi, Máté; Nagy, Éva; Mertinger, Valéria

doi:10.1088/1757-899x/426/1/012003

Cited by 5 publications

(4 citation statements)

References 8 publications

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“…Benke et al [ 32 ] proposed a method to estimate the ear ratio using the {200} pole figures of five major components. This observation indicated a relationship between texture components and cup height.…”

Section: Resultsmentioning

confidence: 99%

“…Various methods have been developed in the past decades to predict the earing behavior of aluminum alloys during cup deep-drawing with the application of mechanical tests, measurements of texture data, and finite element analysis. Benke et al [ 32 , 33 ] (2018 and 2020) recently proposed a simple method to calculate the type and magnitude of earing in aluminum sheets, which is based on the texture measurement data of the {200} pole figure. This observation inspires us to understand the correlation between the earing and the {200} pole figure.…”

Section: Introductionmentioning

confidence: 99%

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Correlation between Orientation Spread and Ear Forming of As-Annealed AA5151 Aluminum Alloy

Hsiao

Chang

et al. 2023

Materials

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In the present work, we take the influences of activated slip systems and the orientation spread into account to predict the cup height using analytical earing models and compare the predicted results with experimental results. The effect of boundary conditions of the various stress states and the work hardening exponents are compared and discussed for profile of single crystals. A stress ratio of −0.3 and a hardening exponent of 0.3 are selected for the prediction of earing profiles. The combination of activation of the single slip systems and orientation spread provides the best prediction of deep-drawing profiles. With further consideration of the orientation spread, an increase in the total orientation leads to peak-broadening, i.e., broad and smooth ears. Furthermore, the difference of the height between the maximum and minimum value of cup profiles is reduced because of the orientation spread. The profile for C is found with single ear at 45°, while the other components individually reveal double ears at 35° and 50° for S, at 15° and 45° for B, at 0° and 90° for Cube, at 5° and 90° for r-Cube, and at 15° and 90° for G. Herein, simple analytical earing models are proposed to understand the effects of slip systems and the orientation spread. The deep-drawing profiles are predicted with six major texture components.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Correlation between Orientation Spread and Ear Forming of As-Annealed AA5151 Aluminum Alloy

Hsiao

Chang

et al. 2023

Materials

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“…Chahaoui et al, 2013;Raabe and Lucke, 1993). Therefore, numerous studies have been conducted to improve the formability of ferritic stainless steels by weakening the earing phenomena induced by the crystallographic texture and the resulting elastic-plastic anisotropy of the selected metals (Benke et al, 2018;Beyerlein and Knezevic, 2018;Oh et al, 2017). The main two reasons for Textures occurrence relating to earing are as follows: (i) during thermomechanical processing, continuous recrystallization has been observed (Belyakov et al, 1998;Cizek and Wynne, 1997) , which impedes any texture randomization, and (ii) upon cooling, no phase transformation may occur.…”

Section: Introductionmentioning

confidence: 99%

An Associated and Nonassociated Flow Rule Comparison for AISI 439-430TI Forming: Modeling and Experimental Analysis

Chahaoui

Matougui

Boulahrouz

et al. 2021

Lat. Am. j. solids struct.

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“…Earing is a dominant defect induced during the deep drawing process and defined as the creation of waviness on the uppermost portion of the resulting cup. Rolling texture components favor earing principally at 45 • /135 • with respect to the RD [4,5]. With regards to earing, a low ear ratio can be achieved through an optimal combination of crystals with an orientation that results in both 45 • /135 • and 0 • /90 • ears [6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Influence of Uniaxial Deformation on Texture Evolution and Anisotropy of 3104 Al Sheet with Different Initial Microstructure

Papadopoulou

Loukadakis

Zacharopoulos

et al. 2021

Metals

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Optimum mechanical behavior is achieved by means of controlling microstructural anisotropy. The latter is directly related to the crystallographic texture and is considerably affected by thermal and mechanical processes. Therefore, understanding the underlying mechanisms relating to its evolution during thermomechanical processing is of major importance. Towards that direction, an attempt to identify possible correlations among significant microstructural parameters relating to texture response during deformation was made. For this purpose, a 3104 aluminum alloy sheet sample (0.5 mm) was examined in the following states: (a) cold rolled (with 90% reduction), (b) recovered and (c) fully recrystallized. Texture, anisotropy as well as the mechanical properties of the samples from each condition were examined. Afterwards, samples were subjected to uniaxial loading (tensile testing) while the most deformed yet representative areas near the fractured surfaces were selected for further texture analysis. Electron backscatter diffraction (EBSD) scans and respective measurements were conducted in all three tensile test directions (0°, 45° and 90° towards rolling direction (RD)) by means of which the evolution of the texture components, their correlation with the three selected directions as well as the resulting anisotropy were highlighted. In the case of the cold-rolled and the recovered sample, the total count of S2 and S3 components did not change prior to and after tensile testing at 0° towards RD; however, the S2 and S3 sum mostly consisted of S3 components after tensile testing whereas it mostly consisted of S2 components prior to tensile testing. In addition, the aforementioned state was accompanied by a strong brass component. The preservation of an increased amount of S components, and the presence of strain-free elongated grains along with the coexistence of a complex and resistant-to-crack-propagation substructure consisting of both high-angle grain boundaries (HAGBs) and subgrain boundaries (SGBs) led into an optimal combination of Δr and rm parameters.

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A simple correlation between texture and earing

Cited by 5 publications

References 8 publications

Correlation between Orientation Spread and Ear Forming of As-Annealed AA5151 Aluminum Alloy

Correlation between Orientation Spread and Ear Forming of As-Annealed AA5151 Aluminum Alloy

An Associated and Nonassociated Flow Rule Comparison for AISI 439-430TI Forming: Modeling and Experimental Analysis

Influence of Uniaxial Deformation on Texture Evolution and Anisotropy of 3104 Al Sheet with Different Initial Microstructure

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