Micro-structural evolution of AlCu5MnCdVA cast aluminum alloy by semi-solid isothermal annealing process

Guangyu Yang; Wanqi Jie; Qitang Hao; Runqiang Zhang

doi:10.4028/0-87849-463-4.489

Micro-structural evolution of AlCu5MnCdVA cast aluminum alloy by semi-solid isothermal annealing process

Guangyu Yang, Wanqi Jie, Qitang Hao, Runqiang Zhang

材料学院

科研成果: 期刊稿件 › 会议文章 › 同行评审

摘要

Isothermal grain coarsening of AlCu5MnCdVA aluminum alloy prepared by permanent mould casting during semi-solid treatment process was studied. It was found that the relationship between the average diameter of α (Al) grains and the isothermal holding time fitted the formula -3-3 r - r₀=K' · t, where the coarsening rate K' varied with the holding temperature, which equaled to 4.288×10^-10m³/s and 5.962×10^-10m³/s at the holding temperature. A modified model of liquid film migration has been proposed for explaining of 622°C and 631°C respectively the coarsening rate variation with annealing temperature. The diffusion of the solutes as well as vacancies, and the grain boundary tension are responsible for the microstructure evolution of AlCu5MnCdVA cast alloy.

源语言	英语
页（从-至）	489-493
页数	5
期刊	Advanced Materials Research
卷	24-25
DOI	https://doi.org/10.4028/0-87849-463-4.489
出版状态	已出版 - 2007
活动	PRICM 6: The 6th Pacific Rim International Conference on Advanced Materials and Processing - Jeju Island, 韩国期限: 5 11月 2007 → 9 11月 2007

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title = "Micro-structural evolution of AlCu5MnCdVA cast aluminum alloy by semi-solid isothermal annealing process",

abstract = "Isothermal grain coarsening of AlCu5MnCdVA aluminum alloy prepared by permanent mould casting during semi-solid treatment process was studied. It was found that the relationship between the average diameter of α (Al) grains and the isothermal holding time fitted the formula -3-3 r - r0=K' · t, where the coarsening rate K' varied with the holding temperature, which equaled to 4.288×10-10m3/s and 5.962×10-10m3/s at the holding temperature. A modified model of liquid film migration has been proposed for explaining of 622°C and 631°C respectively the coarsening rate variation with annealing temperature. The diffusion of the solutes as well as vacancies, and the grain boundary tension are responsible for the microstructure evolution of AlCu5MnCdVA cast alloy.",

keywords = "Cast aluminum alloy, Coarsen, Microstructure, Semi-solid",

author = "Guangyu Yang and Wanqi Jie and Qitang Hao and Runqiang Zhang",

year = "2007",

doi = "10.4028/0-87849-463-4.489",

language = "英语",

volume = "24-25",

pages = "489--493",

journal = "Advanced Materials Research",

issn = "1022-6680",

publisher = "Trans Tech Publications",

note = "PRICM 6: The 6th Pacific Rim International Conference on Advanced Materials and Processing ; Conference date: 05-11-2007 Through 09-11-2007",

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TY - JOUR

T1 - Micro-structural evolution of AlCu5MnCdVA cast aluminum alloy by semi-solid isothermal annealing process

AU - Yang, Guangyu

AU - Jie, Wanqi

AU - Hao, Qitang

AU - Zhang, Runqiang

PY - 2007

Y1 - 2007

N2 - Isothermal grain coarsening of AlCu5MnCdVA aluminum alloy prepared by permanent mould casting during semi-solid treatment process was studied. It was found that the relationship between the average diameter of α (Al) grains and the isothermal holding time fitted the formula -3-3 r - r0=K' · t, where the coarsening rate K' varied with the holding temperature, which equaled to 4.288×10-10m3/s and 5.962×10-10m3/s at the holding temperature. A modified model of liquid film migration has been proposed for explaining of 622°C and 631°C respectively the coarsening rate variation with annealing temperature. The diffusion of the solutes as well as vacancies, and the grain boundary tension are responsible for the microstructure evolution of AlCu5MnCdVA cast alloy.

AB - Isothermal grain coarsening of AlCu5MnCdVA aluminum alloy prepared by permanent mould casting during semi-solid treatment process was studied. It was found that the relationship between the average diameter of α (Al) grains and the isothermal holding time fitted the formula -3-3 r - r0=K' · t, where the coarsening rate K' varied with the holding temperature, which equaled to 4.288×10-10m3/s and 5.962×10-10m3/s at the holding temperature. A modified model of liquid film migration has been proposed for explaining of 622°C and 631°C respectively the coarsening rate variation with annealing temperature. The diffusion of the solutes as well as vacancies, and the grain boundary tension are responsible for the microstructure evolution of AlCu5MnCdVA cast alloy.

KW - Cast aluminum alloy

KW - Coarsen

KW - Microstructure

KW - Semi-solid

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U2 - 10.4028/0-87849-463-4.489

DO - 10.4028/0-87849-463-4.489

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SN - 1022-6680

VL - 24-25

SP - 489

EP - 493

JO - Advanced Materials Research

JF - Advanced Materials Research

T2 - PRICM 6: The 6th Pacific Rim International Conference on Advanced Materials and Processing

Y2 - 5 November 2007 through 9 November 2007

ER -

Micro-structural evolution of AlCu5MnCdVA cast aluminum alloy by semi-solid isothermal annealing process

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