Investigation of the Formability of Cryogenic Rolled AA6061 and Its Improvement Using Artificial Aging Treatment-Reference-Cited by-同舟云学术

Investigation of the Formability of Cryogenic Rolled AA6061 and Its Improvement Using Artificial Aging Treatment

Published:2023-02-27 Issue:2 Volume:7 Page:54
ISSN:2504-4494
Container-title:Journal of Manufacturing and Materials Processing
language:en
Short-container-title:JMMP

Author:

Sadeghi Abbas¹²,Kozeschnik Ernst²^ORCID,Biglari Farid R.¹

Affiliation:

1. Mechanical Engineering Department, Amirkabir University of Technology, Tehran 1591634311, Iran

2. Institute of Materials Science and Technology, TU Wien, 1060 Vienna, Austria

Abstract

Cryogenic rolling is one of the essential severe plastic deformation processes to manufacture high-strength aluminum sheets with excellent formability limits. The present work characterizes the formability of AA6061 for cryogenic rolling before and after artificial aging. Nakajima method based on ISO standard is used to measure formability. Samples are aged in the range of 100 °C to 150 °C. Artificial aging at 150 °C is found to be the optimum temperature for achieving a good combination of strength and formability. Over the course of artificial aging, strength improved up to 40%, where the original value of 250 MPa for cryo-rolled condition increased to 350 MPa after 50 h of aging at 150 °C, and the formability of the cryo-rolled sample improved especially for multi-axial forming condition.

Publisher

MDPI AG

Subject

Industrial and Manufacturing Engineering,Mechanical Engineering,Mechanics of Materials

Link

https://www.mdpi.com/2504-4494/7/2/54/pdf

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