Shear Assisted Processing and Extrusion of Aluminum Alloy 7075 Tubing at High Speed

Scott Whalen; Md. Reza-E-Rabby; Tianhao Wang; Xiaolong Ma; Timothy Roosendaal; Darrell Herling; Nicole Overman; Brandon Scott Taysom

doi:10.1007/978-3-030-65396-5_41

Shear Assisted Processing and Extrusion of Aluminum Alloy 7075 Tubing at High Speed

Scott Whalen^*
, Md. Reza-E-Rabby
, Tianhao Wang
, Xiaolong Ma
, Timothy Roosendaal
, Darrell Herling
, Nicole Overman
, Brandon Scott Taysom

^*Corresponding author for this work

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

7 Citations (Scopus)

Abstract

Conventional extrusion of aluminum alloy 7075 is limited to 1–2 m/min in order to avoid surface tearing and cracking. An emerging technique called Shear Assisted Processing and Extrusion (ShAPE) was used to extrude aluminum alloy 7075 tubing at a speed of 7.4 m/min without inducing surface defects. The faster extrusion speed is attributed to the unique flow characteristics inherent to the ShAPE process compared to conventional extrusion. Tubes with inner diameter of 10 mm, outer diameter of 12 mm, and length of 2 m were extruded at temperatures ranging from 340 to 466 °C. Tensile testing was performed per ASTM B557-15 with strain measured using digital image correlation. An ultimate tensile strength of 565 ± 4.6 MPa, yield strength of 496 ± 8.7 MPa, and elongation of 16.4 ± 1.0% were measured for extrusions made at 362 °C and heat treated to a T6 condition with extended aging.
© 2021 The Minerals, Metals & Materials Society

Original language	English
Title of host publication	Light Metals 2021
Subtitle of host publication	50th Anniversary Edition
Editors	Linus Perander
Publisher	Springer, Cham
Pages	277-280
Edition	1
ISBN (Electronic)	978-3-030-65396-5
ISBN (Print)	978-3-030-65395-8, 978-3-030-65398-9
DOIs	https://doi.org/10.1007/978-3-030-65396-5_41
Publication status	Published - 24 Feb 2021
Externally published	Yes
Event	Light Metals Symposium held at the TMS Annual Meeting and Exhibition, 2021 - Pittsburgh, United States Duration: 15 Mar 2021 → 18 Mar 2021

Publication series

Name	Minerals, Metals and Materials Series
Volume	6
ISSN (Print)	2367-1181
ISSN (Electronic)	2367-1696

Conference

Conference	Light Metals Symposium held at the TMS Annual Meeting and Exhibition, 2021
Place	United States
City	Pittsburgh
Period	15/03/21 → 18/03/21

Funding

The authors thank the U.S. Department of Energy Advanced Manufacturing Office for supporting this work. The authors are grateful for the dedication of Anthony Guzman for preparation of specimens for microstructural analysis. The Pacific Northwest National Laboratory is operated by the Battelle Memorial Institute for the United States Department of Energy under contract DE-AC06-76LO1830.

Research Keywords

7075
Aluminum
Extrusion
Friction extrusion
ShAPE

Policy Impact

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10.1007/978-3-030-65396-5_41

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Whalen, S., Reza-E-Rabby, M., Wang, T., Ma, X., Roosendaal, T., Herling, D., Overman, N., & Taysom, B. S. (2021). Shear Assisted Processing and Extrusion of Aluminum Alloy 7075 Tubing at High Speed. In L. Perander (Ed.), Light Metals 2021: 50th Anniversary Edition (1 ed., pp. 277-280). (Minerals, Metals and Materials Series; Vol. 6). Springer, Cham. https://doi.org/10.1007/978-3-030-65396-5_41

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title = "Shear Assisted Processing and Extrusion of Aluminum Alloy 7075 Tubing at High Speed",

abstract = "Conventional extrusion of aluminum alloy 7075 is limited to 1–2 m/min in order to avoid surface tearing and cracking. An emerging technique called Shear Assisted Processing and Extrusion (ShAPE) was used to extrude aluminum alloy 7075 tubing at a speed of 7.4 m/min without inducing surface defects. The faster extrusion speed is attributed to the unique flow characteristics inherent to the ShAPE process compared to conventional extrusion. Tubes with inner diameter of 10 mm, outer diameter of 12 mm, and length of 2 m were extruded at temperatures ranging from 340 to 466 °C. Tensile testing was performed per ASTM B557-15 with strain measured using digital image correlation. An ultimate tensile strength of 565 ± 4.6 MPa, yield strength of 496 ± 8.7 MPa, and elongation of 16.4 ± 1.0\% were measured for extrusions made at 362 °C and heat treated to a T6 condition with extended aging. {\textcopyright} 2021 The Minerals, Metals \& Materials Society",

keywords = "7075, Aluminum, Extrusion, Friction extrusion, ShAPE",

author = "Scott Whalen and Md. Reza-E-Rabby and Tianhao Wang and Xiaolong Ma and Timothy Roosendaal and Darrell Herling and Nicole Overman and Taysom, \{Brandon Scott\}",

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doi = "10.1007/978-3-030-65396-5\_41",

language = "English",

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Whalen, S, Reza-E-Rabby, M, Wang, T, Ma, X, Roosendaal, T, Herling, D, Overman, N & Taysom, BS 2021, Shear Assisted Processing and Extrusion of Aluminum Alloy 7075 Tubing at High Speed. in L Perander (ed.), Light Metals 2021: 50th Anniversary Edition. 1 edn, Minerals, Metals and Materials Series, vol. 6, Springer, Cham, pp. 277-280, Light Metals Symposium held at the TMS Annual Meeting and Exhibition, 2021, Pittsburgh, United States, 15/03/21. https://doi.org/10.1007/978-3-030-65396-5_41

Shear Assisted Processing and Extrusion of Aluminum Alloy 7075 Tubing at High Speed. / Whalen, Scott; Reza-E-Rabby, Md.; Wang, Tianhao et al.
Light Metals 2021: 50th Anniversary Edition. ed. / Linus Perander. 1. ed. Springer, Cham, 2021. p. 277-280 (Minerals, Metals and Materials Series; Vol. 6).

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

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T1 - Shear Assisted Processing and Extrusion of Aluminum Alloy 7075 Tubing at High Speed

AU - Whalen, Scott

AU - Reza-E-Rabby, Md.

AU - Wang, Tianhao

AU - Ma, Xiaolong

AU - Roosendaal, Timothy

AU - Herling, Darrell

AU - Overman, Nicole

AU - Taysom, Brandon Scott

PY - 2021/2/24

Y1 - 2021/2/24

N2 - Conventional extrusion of aluminum alloy 7075 is limited to 1–2 m/min in order to avoid surface tearing and cracking. An emerging technique called Shear Assisted Processing and Extrusion (ShAPE) was used to extrude aluminum alloy 7075 tubing at a speed of 7.4 m/min without inducing surface defects. The faster extrusion speed is attributed to the unique flow characteristics inherent to the ShAPE process compared to conventional extrusion. Tubes with inner diameter of 10 mm, outer diameter of 12 mm, and length of 2 m were extruded at temperatures ranging from 340 to 466 °C. Tensile testing was performed per ASTM B557-15 with strain measured using digital image correlation. An ultimate tensile strength of 565 ± 4.6 MPa, yield strength of 496 ± 8.7 MPa, and elongation of 16.4 ± 1.0% were measured for extrusions made at 362 °C and heat treated to a T6 condition with extended aging. © 2021 The Minerals, Metals & Materials Society

AB - Conventional extrusion of aluminum alloy 7075 is limited to 1–2 m/min in order to avoid surface tearing and cracking. An emerging technique called Shear Assisted Processing and Extrusion (ShAPE) was used to extrude aluminum alloy 7075 tubing at a speed of 7.4 m/min without inducing surface defects. The faster extrusion speed is attributed to the unique flow characteristics inherent to the ShAPE process compared to conventional extrusion. Tubes with inner diameter of 10 mm, outer diameter of 12 mm, and length of 2 m were extruded at temperatures ranging from 340 to 466 °C. Tensile testing was performed per ASTM B557-15 with strain measured using digital image correlation. An ultimate tensile strength of 565 ± 4.6 MPa, yield strength of 496 ± 8.7 MPa, and elongation of 16.4 ± 1.0% were measured for extrusions made at 362 °C and heat treated to a T6 condition with extended aging. © 2021 The Minerals, Metals & Materials Society

KW - 7075

KW - Aluminum

KW - Extrusion

KW - Friction extrusion

KW - ShAPE

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DO - 10.1007/978-3-030-65396-5_41

M3 - RGC 32 - Refereed conference paper (with host publication)

SN - 978-3-030-65395-8

SN - 978-3-030-65398-9

T3 - Minerals, Metals and Materials Series

SP - 277

EP - 280

BT - Light Metals 2021

A2 - Perander, Linus

PB - Springer, Cham

T2 - Light Metals Symposium held at the TMS Annual Meeting and Exhibition, 2021

Y2 - 15 March 2021 through 18 March 2021

ER -

Shear Assisted Processing and Extrusion of Aluminum Alloy 7075 Tubing at High Speed

Abstract

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Research Keywords

Policy Impact

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