Simulation of friction stir processing with internally cooled tool

A. N. Albakri, Bilal Mansoor, H. Nassar, Marwan Khraisheh

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Friction stir processing (FSP) is considered to be a promising sustainable technique for grain refinement of metallic alloys. The heat generated during FSP promotes dynamic recrystallization in processed material which is essential for grain sub-division process. However, excessive heat generation can lead to high temperatures of >300°C that may cause abnormal grain growth in the processed material. On the other hand, repetitive high temperature heating cycles can reduce the lifetime of the FSP tool. Therefore, it is essential to manage the process heat not only to achieve homogeneity and finer grain sizes in the processed material but also to reduce tool wear. In this work, friction stir processing of AZ31B Mg with an internally cooled FSP tool is simulated by a three-dimensional CFD model. We have studied the effect of rapid tool cooling on temperature and flow stress distribution in processed material. Additionally, the grain size and hardness of the processed material is estimated by using Zener-Holloman and Hall-Petch based relationships. It was found that FSP with internally cooled tool is a promising approach that effectively controls temperature levels during processing. Therefore it enables the achievement of better mechanical properties by effective grain refinement and has a positive effect on tool life.

Original languageEnglish
Title of host publicationAdvanced Materials Research
Pages560-565
Number of pages6
Volume445
DOIs
Publication statusPublished - 15 Feb 2012
Externally publishedYes
Event14th International Conference on Advances in Materials and Processing Technologies, AMPT 2011 - Istanbul, Turkey
Duration: 13 Jul 201116 Jul 2011

Publication series

NameAdvanced Materials Research
Volume445
ISSN (Print)10226680

Other

Other14th International Conference on Advances in Materials and Processing Technologies, AMPT 2011
CountryTurkey
CityIstanbul
Period13/7/1116/7/11

Fingerprint

Friction
Processing
Grain refinement
Dynamic recrystallization
Heat generation
Plastic flow
Grain growth
Temperature control
Temperature
Stress concentration
Computational fluid dynamics
Hardness
Wear of materials
Cooling
Heating
Mechanical properties
Hot Temperature

Keywords

  • CFD
  • FSP
  • Grain Refinement
  • Hall-Petch
  • Internal Cooling
  • Zener-Holloman

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Albakri, A. N., Mansoor, B., Nassar, H., & Khraisheh, M. (2012). Simulation of friction stir processing with internally cooled tool. In Advanced Materials Research (Vol. 445, pp. 560-565). (Advanced Materials Research; Vol. 445). https://doi.org/10.4028/www.scientific.net/AMR.445.560

Simulation of friction stir processing with internally cooled tool. / Albakri, A. N.; Mansoor, Bilal; Nassar, H.; Khraisheh, Marwan.

Advanced Materials Research. Vol. 445 2012. p. 560-565 (Advanced Materials Research; Vol. 445).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Albakri, AN, Mansoor, B, Nassar, H & Khraisheh, M 2012, Simulation of friction stir processing with internally cooled tool. in Advanced Materials Research. vol. 445, Advanced Materials Research, vol. 445, pp. 560-565, 14th International Conference on Advances in Materials and Processing Technologies, AMPT 2011, Istanbul, Turkey, 13/7/11. https://doi.org/10.4028/www.scientific.net/AMR.445.560
Albakri AN, Mansoor B, Nassar H, Khraisheh M. Simulation of friction stir processing with internally cooled tool. In Advanced Materials Research. Vol. 445. 2012. p. 560-565. (Advanced Materials Research). https://doi.org/10.4028/www.scientific.net/AMR.445.560
Albakri, A. N. ; Mansoor, Bilal ; Nassar, H. ; Khraisheh, Marwan. / Simulation of friction stir processing with internally cooled tool. Advanced Materials Research. Vol. 445 2012. pp. 560-565 (Advanced Materials Research).
@inproceedings{3f7aa37ebafb4a1f87ed050e70e4ea7a,
title = "Simulation of friction stir processing with internally cooled tool",
abstract = "Friction stir processing (FSP) is considered to be a promising sustainable technique for grain refinement of metallic alloys. The heat generated during FSP promotes dynamic recrystallization in processed material which is essential for grain sub-division process. However, excessive heat generation can lead to high temperatures of >300°C that may cause abnormal grain growth in the processed material. On the other hand, repetitive high temperature heating cycles can reduce the lifetime of the FSP tool. Therefore, it is essential to manage the process heat not only to achieve homogeneity and finer grain sizes in the processed material but also to reduce tool wear. In this work, friction stir processing of AZ31B Mg with an internally cooled FSP tool is simulated by a three-dimensional CFD model. We have studied the effect of rapid tool cooling on temperature and flow stress distribution in processed material. Additionally, the grain size and hardness of the processed material is estimated by using Zener-Holloman and Hall-Petch based relationships. It was found that FSP with internally cooled tool is a promising approach that effectively controls temperature levels during processing. Therefore it enables the achievement of better mechanical properties by effective grain refinement and has a positive effect on tool life.",
keywords = "CFD, FSP, Grain Refinement, Hall-Petch, Internal Cooling, Zener-Holloman",
author = "Albakri, {A. N.} and Bilal Mansoor and H. Nassar and Marwan Khraisheh",
year = "2012",
month = "2",
day = "15",
doi = "10.4028/www.scientific.net/AMR.445.560",
language = "English",
isbn = "9783037853467",
volume = "445",
series = "Advanced Materials Research",
pages = "560--565",
booktitle = "Advanced Materials Research",

}

TY - GEN

T1 - Simulation of friction stir processing with internally cooled tool

AU - Albakri, A. N.

AU - Mansoor, Bilal

AU - Nassar, H.

AU - Khraisheh, Marwan

PY - 2012/2/15

Y1 - 2012/2/15

N2 - Friction stir processing (FSP) is considered to be a promising sustainable technique for grain refinement of metallic alloys. The heat generated during FSP promotes dynamic recrystallization in processed material which is essential for grain sub-division process. However, excessive heat generation can lead to high temperatures of >300°C that may cause abnormal grain growth in the processed material. On the other hand, repetitive high temperature heating cycles can reduce the lifetime of the FSP tool. Therefore, it is essential to manage the process heat not only to achieve homogeneity and finer grain sizes in the processed material but also to reduce tool wear. In this work, friction stir processing of AZ31B Mg with an internally cooled FSP tool is simulated by a three-dimensional CFD model. We have studied the effect of rapid tool cooling on temperature and flow stress distribution in processed material. Additionally, the grain size and hardness of the processed material is estimated by using Zener-Holloman and Hall-Petch based relationships. It was found that FSP with internally cooled tool is a promising approach that effectively controls temperature levels during processing. Therefore it enables the achievement of better mechanical properties by effective grain refinement and has a positive effect on tool life.

AB - Friction stir processing (FSP) is considered to be a promising sustainable technique for grain refinement of metallic alloys. The heat generated during FSP promotes dynamic recrystallization in processed material which is essential for grain sub-division process. However, excessive heat generation can lead to high temperatures of >300°C that may cause abnormal grain growth in the processed material. On the other hand, repetitive high temperature heating cycles can reduce the lifetime of the FSP tool. Therefore, it is essential to manage the process heat not only to achieve homogeneity and finer grain sizes in the processed material but also to reduce tool wear. In this work, friction stir processing of AZ31B Mg with an internally cooled FSP tool is simulated by a three-dimensional CFD model. We have studied the effect of rapid tool cooling on temperature and flow stress distribution in processed material. Additionally, the grain size and hardness of the processed material is estimated by using Zener-Holloman and Hall-Petch based relationships. It was found that FSP with internally cooled tool is a promising approach that effectively controls temperature levels during processing. Therefore it enables the achievement of better mechanical properties by effective grain refinement and has a positive effect on tool life.

KW - CFD

KW - FSP

KW - Grain Refinement

KW - Hall-Petch

KW - Internal Cooling

KW - Zener-Holloman

UR - http://www.scopus.com/inward/record.url?scp=84856966033&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84856966033&partnerID=8YFLogxK

U2 - 10.4028/www.scientific.net/AMR.445.560

DO - 10.4028/www.scientific.net/AMR.445.560

M3 - Conference contribution

SN - 9783037853467

VL - 445

T3 - Advanced Materials Research

SP - 560

EP - 565

BT - Advanced Materials Research

ER -