The effect of thermomechanical processing on the creep behavior and fracture toughness of Thixomolded® AM60 alloy

Z. Chen, J. Huang, R. Decker, S. LeBeau, C. J. Boehlert

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

  • 2 Citations

Abstract

Creep and fracture toughness experiments were performed on a commercially available magnesium-aluminum alloy (AM60) after three processing treatments: (1) As-Thixomolded® (as-molded), (2) Thixomolded® then thermomechanically processed (TTMP), and (3) Thixomolded® then TTMP then annealed (annealed). The conventional tensile-creep experiments were performed at applied stresses ranging between 20-75MPa and temperatures between 373-473K (100-200°C). In-situ tensile-creep tests were performed on selected samples. The as-molded material exhibited creep resistance superior to the thermomechanically processed materials. Creep experiments indicated grain boundary cracking, and grain size was expected to be an important microstructural parameter that affected the creep behavior. Fracture toughness experiments were performed at room temperature (RT) on single edge notched tension (SENT) samples. The TTMP and annealed materials exhibited fracture toughness values almost twice that of the as-molded material.

LanguageEnglish (US)
Title of host publicationMagnesium Technology
Pages85-89
Number of pages5
StatePublished - 2011
EventMagnesium Technology 2011 - TMS 2011 Annual Meeting and Exhibition - San Diego, CA, United States
Duration: Feb 27 2011Mar 3 2011

Other

OtherMagnesium Technology 2011 - TMS 2011 Annual Meeting and Exhibition
CountryUnited States
CitySan Diego, CA
Period2/27/113/3/11

Profile

Fracture toughness
Creep
Processing
Experiments
Creep resistance
Magnesium alloys
Aluminum alloys
Grain boundaries
Temperature

Keywords

  • Creep
  • Fracture toughness
  • Lightweight alloys
  • Magnesium

ASJC Scopus subject areas

  • Engineering(all)
  • Materials Science(all)

Cite this

Chen, Z., Huang, J., Decker, R., LeBeau, S., & Boehlert, C. J. (2011). The effect of thermomechanical processing on the creep behavior and fracture toughness of Thixomolded® AM60 alloy. In Magnesium Technology (pp. 85-89)

The effect of thermomechanical processing on the creep behavior and fracture toughness of Thixomolded® AM60 alloy. / Chen, Z.; Huang, J.; Decker, R.; LeBeau, S.; Boehlert, C. J.

Magnesium Technology. 2011. p. 85-89.

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

Chen, Z, Huang, J, Decker, R, LeBeau, S & Boehlert, CJ 2011, The effect of thermomechanical processing on the creep behavior and fracture toughness of Thixomolded® AM60 alloy. in Magnesium Technology. pp. 85-89, Magnesium Technology 2011 - TMS 2011 Annual Meeting and Exhibition, San Diego, CA, United States, 2/27/11.
@inproceedings{80fd8c6b652142b9b877ed5886418b91,
title = "The effect of thermomechanical processing on the creep behavior and fracture toughness of Thixomolded{\circledR} AM60 alloy",
abstract = "Creep and fracture toughness experiments were performed on a commercially available magnesium-aluminum alloy (AM60) after three processing treatments: (1) As-Thixomolded{\circledR} (as-molded), (2) Thixomolded{\circledR} then thermomechanically processed (TTMP), and (3) Thixomolded{\circledR} then TTMP then annealed (annealed). The conventional tensile-creep experiments were performed at applied stresses ranging between 20-75MPa and temperatures between 373-473K (100-200°C). In-situ tensile-creep tests were performed on selected samples. The as-molded material exhibited creep resistance superior to the thermomechanically processed materials. Creep experiments indicated grain boundary cracking, and grain size was expected to be an important microstructural parameter that affected the creep behavior. Fracture toughness experiments were performed at room temperature (RT) on single edge notched tension (SENT) samples. The TTMP and annealed materials exhibited fracture toughness values almost twice that of the as-molded material.",
keywords = "Creep, Fracture toughness, Lightweight alloys, Magnesium",
author = "Z. Chen and J. Huang and R. Decker and S. LeBeau and Boehlert, {C. J.}",
year = "2011",
language = "English (US)",
isbn = "9781118029367",
pages = "85--89",
booktitle = "Magnesium Technology",

}

TY - GEN

T1 - The effect of thermomechanical processing on the creep behavior and fracture toughness of Thixomolded® AM60 alloy

AU - Chen,Z.

AU - Huang,J.

AU - Decker,R.

AU - LeBeau,S.

AU - Boehlert,C. J.

PY - 2011

Y1 - 2011

N2 - Creep and fracture toughness experiments were performed on a commercially available magnesium-aluminum alloy (AM60) after three processing treatments: (1) As-Thixomolded® (as-molded), (2) Thixomolded® then thermomechanically processed (TTMP), and (3) Thixomolded® then TTMP then annealed (annealed). The conventional tensile-creep experiments were performed at applied stresses ranging between 20-75MPa and temperatures between 373-473K (100-200°C). In-situ tensile-creep tests were performed on selected samples. The as-molded material exhibited creep resistance superior to the thermomechanically processed materials. Creep experiments indicated grain boundary cracking, and grain size was expected to be an important microstructural parameter that affected the creep behavior. Fracture toughness experiments were performed at room temperature (RT) on single edge notched tension (SENT) samples. The TTMP and annealed materials exhibited fracture toughness values almost twice that of the as-molded material.

AB - Creep and fracture toughness experiments were performed on a commercially available magnesium-aluminum alloy (AM60) after three processing treatments: (1) As-Thixomolded® (as-molded), (2) Thixomolded® then thermomechanically processed (TTMP), and (3) Thixomolded® then TTMP then annealed (annealed). The conventional tensile-creep experiments were performed at applied stresses ranging between 20-75MPa and temperatures between 373-473K (100-200°C). In-situ tensile-creep tests were performed on selected samples. The as-molded material exhibited creep resistance superior to the thermomechanically processed materials. Creep experiments indicated grain boundary cracking, and grain size was expected to be an important microstructural parameter that affected the creep behavior. Fracture toughness experiments were performed at room temperature (RT) on single edge notched tension (SENT) samples. The TTMP and annealed materials exhibited fracture toughness values almost twice that of the as-molded material.

KW - Creep

KW - Fracture toughness

KW - Lightweight alloys

KW - Magnesium

UR - http://www.scopus.com/inward/record.url?scp=84861382635&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84861382635&partnerID=8YFLogxK

M3 - Conference contribution

SN - 9781118029367

SP - 85

EP - 89

BT - Magnesium Technology

ER -