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Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment
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| Zeitschriftentitel: | Materials Research Express |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | Materials Research Express, 7, 2020, 7, S. 076518 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
IOP Publishing
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| Schlagwörter: |
| author_facet |
Zhai, Fenglong Wang, Liping Gao, Xin Feng, Yicheng Zhao, Sicong Wang, Lei Zhai, Fenglong Wang, Liping Gao, Xin Feng, Yicheng Zhao, Sicong Wang, Lei |
|---|---|
| author |
Zhai, Fenglong Wang, Liping Gao, Xin Feng, Yicheng Zhao, Sicong Wang, Lei |
| spellingShingle |
Zhai, Fenglong Wang, Liping Gao, Xin Feng, Yicheng Zhao, Sicong Wang, Lei Materials Research Express Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment Metals and Alloys Polymers and Plastics Surfaces, Coatings and Films Biomaterials Electronic, Optical and Magnetic Materials |
| author_sort |
zhai, fenglong |
| spelling |
Zhai, Fenglong Wang, Liping Gao, Xin Feng, Yicheng Zhao, Sicong Wang, Lei 2053-1591 IOP Publishing Metals and Alloys Polymers and Plastics Surfaces, Coatings and Films Biomaterials Electronic, Optical and Magnetic Materials http://dx.doi.org/10.1088/2053-1591/aba6bf <jats:title>Abstract</jats:title> <jats:p>The effects of pretreatment and homogenization on the microstructure of a new Al-6.7Zn-2.6Mg-2.0Cu-0.1Zr-0.3Sm alloy were investigated. The results show that severe dendritic segregation is visible at the grain boundaries of the as-cast microstructure, which consists of the <jats:italic>η</jats:italic> (Mg (Zn, Cu, Al)<jats:sub>2</jats:sub>), Al<jats:sub>10</jats:sub>Cu<jats:sub>7</jats:sub>Sm<jats:sub>2</jats:sub> and Fe-rich phases. Besides, some small <jats:italic>η</jats:italic> and needle-shaped <jats:italic>θ</jats:italic> (Al<jats:sub>2</jats:sub>Cu) phases are distributed inside of the grains. After pretreatment at 400 °C for 10 h, the <jats:italic>η</jats:italic> phase and <jats:italic>θ</jats:italic> phase in the grains are dissolved, and Al<jats:sub>3</jats:sub>Zr particles are precipitated inside of the grains by homogeneous nucleation. However, dendritic segregation still exists at the grain boundaries. After homogenization annealing, the <jats:italic>η</jats:italic> phase present at the grain boundaries completely dissolves, and only a small number of Al<jats:sub>10</jats:sub>Cu<jats:sub>7</jats:sub>Sm<jats:sub>2</jats:sub> and Fe-rich phases remain. The alloy microstructure becomes more uniform and the volume fraction of residual eutectic decreases to 0.70% after homogenization annealing. The optimal homogenization processing is determined as 400 °C/10 h + 470 °C/24 h, which is in perfect accordance with the results obtained via homogenizing kinetic analysis.</jats:p> Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment Materials Research Express |
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10.1088/2053-1591/aba6bf |
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Chemie und Pharmazie Allgemeines Technik Biologie Physik |
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| title |
Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment |
| title_unstemmed |
Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment |
| title_full |
Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment |
| title_fullStr |
Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment |
| title_full_unstemmed |
Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment |
| title_short |
Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment |
| title_sort |
phase evolution of a novel al–zn–mg–cu–zr–sm alloy during homogenization annealing treatment |
| topic |
Metals and Alloys Polymers and Plastics Surfaces, Coatings and Films Biomaterials Electronic, Optical and Magnetic Materials |
| url |
http://dx.doi.org/10.1088/2053-1591/aba6bf |
| publishDate |
2020 |
| physical |
076518 |
| description |
<jats:title>Abstract</jats:title>
<jats:p>The effects of pretreatment and homogenization on the microstructure of a new Al-6.7Zn-2.6Mg-2.0Cu-0.1Zr-0.3Sm alloy were investigated. The results show that severe dendritic segregation is visible at the grain boundaries of the as-cast microstructure, which consists of the <jats:italic>η</jats:italic> (Mg (Zn, Cu, Al)<jats:sub>2</jats:sub>), Al<jats:sub>10</jats:sub>Cu<jats:sub>7</jats:sub>Sm<jats:sub>2</jats:sub> and Fe-rich phases. Besides, some small <jats:italic>η</jats:italic> and needle-shaped <jats:italic>θ</jats:italic> (Al<jats:sub>2</jats:sub>Cu) phases are distributed inside of the grains. After pretreatment at 400 °C for 10 h, the <jats:italic>η</jats:italic> phase and <jats:italic>θ</jats:italic> phase in the grains are dissolved, and Al<jats:sub>3</jats:sub>Zr particles are precipitated inside of the grains by homogeneous nucleation. However, dendritic segregation still exists at the grain boundaries. After homogenization annealing, the <jats:italic>η</jats:italic> phase present at the grain boundaries completely dissolves, and only a small number of Al<jats:sub>10</jats:sub>Cu<jats:sub>7</jats:sub>Sm<jats:sub>2</jats:sub> and Fe-rich phases remain. The alloy microstructure becomes more uniform and the volume fraction of residual eutectic decreases to 0.70% after homogenization annealing. The optimal homogenization processing is determined as 400 °C/10 h + 470 °C/24 h, which is in perfect accordance with the results obtained via homogenizing kinetic analysis.</jats:p> |
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| author | Zhai, Fenglong, Wang, Liping, Gao, Xin, Feng, Yicheng, Zhao, Sicong, Wang, Lei |
| author_facet | Zhai, Fenglong, Wang, Liping, Gao, Xin, Feng, Yicheng, Zhao, Sicong, Wang, Lei, Zhai, Fenglong, Wang, Liping, Gao, Xin, Feng, Yicheng, Zhao, Sicong, Wang, Lei |
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| description | <jats:title>Abstract</jats:title> <jats:p>The effects of pretreatment and homogenization on the microstructure of a new Al-6.7Zn-2.6Mg-2.0Cu-0.1Zr-0.3Sm alloy were investigated. The results show that severe dendritic segregation is visible at the grain boundaries of the as-cast microstructure, which consists of the <jats:italic>η</jats:italic> (Mg (Zn, Cu, Al)<jats:sub>2</jats:sub>), Al<jats:sub>10</jats:sub>Cu<jats:sub>7</jats:sub>Sm<jats:sub>2</jats:sub> and Fe-rich phases. Besides, some small <jats:italic>η</jats:italic> and needle-shaped <jats:italic>θ</jats:italic> (Al<jats:sub>2</jats:sub>Cu) phases are distributed inside of the grains. After pretreatment at 400 °C for 10 h, the <jats:italic>η</jats:italic> phase and <jats:italic>θ</jats:italic> phase in the grains are dissolved, and Al<jats:sub>3</jats:sub>Zr particles are precipitated inside of the grains by homogeneous nucleation. However, dendritic segregation still exists at the grain boundaries. After homogenization annealing, the <jats:italic>η</jats:italic> phase present at the grain boundaries completely dissolves, and only a small number of Al<jats:sub>10</jats:sub>Cu<jats:sub>7</jats:sub>Sm<jats:sub>2</jats:sub> and Fe-rich phases remain. The alloy microstructure becomes more uniform and the volume fraction of residual eutectic decreases to 0.70% after homogenization annealing. The optimal homogenization processing is determined as 400 °C/10 h + 470 °C/24 h, which is in perfect accordance with the results obtained via homogenizing kinetic analysis.</jats:p> |
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| imprint | IOP Publishing, 2020 |
| imprint_str_mv | IOP Publishing, 2020 |
| institution | DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Zi4, DE-Gla1, DE-15, DE-Pl11, DE-Rs1, DE-14, DE-105, DE-Ch1, DE-L229, DE-D275 |
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| physical | 076518 |
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| publisher | IOP Publishing |
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| recordtype | ai |
| series | Materials Research Express |
| source_id | 49 |
| spelling | Zhai, Fenglong Wang, Liping Gao, Xin Feng, Yicheng Zhao, Sicong Wang, Lei 2053-1591 IOP Publishing Metals and Alloys Polymers and Plastics Surfaces, Coatings and Films Biomaterials Electronic, Optical and Magnetic Materials http://dx.doi.org/10.1088/2053-1591/aba6bf <jats:title>Abstract</jats:title> <jats:p>The effects of pretreatment and homogenization on the microstructure of a new Al-6.7Zn-2.6Mg-2.0Cu-0.1Zr-0.3Sm alloy were investigated. The results show that severe dendritic segregation is visible at the grain boundaries of the as-cast microstructure, which consists of the <jats:italic>η</jats:italic> (Mg (Zn, Cu, Al)<jats:sub>2</jats:sub>), Al<jats:sub>10</jats:sub>Cu<jats:sub>7</jats:sub>Sm<jats:sub>2</jats:sub> and Fe-rich phases. Besides, some small <jats:italic>η</jats:italic> and needle-shaped <jats:italic>θ</jats:italic> (Al<jats:sub>2</jats:sub>Cu) phases are distributed inside of the grains. After pretreatment at 400 °C for 10 h, the <jats:italic>η</jats:italic> phase and <jats:italic>θ</jats:italic> phase in the grains are dissolved, and Al<jats:sub>3</jats:sub>Zr particles are precipitated inside of the grains by homogeneous nucleation. However, dendritic segregation still exists at the grain boundaries. After homogenization annealing, the <jats:italic>η</jats:italic> phase present at the grain boundaries completely dissolves, and only a small number of Al<jats:sub>10</jats:sub>Cu<jats:sub>7</jats:sub>Sm<jats:sub>2</jats:sub> and Fe-rich phases remain. The alloy microstructure becomes more uniform and the volume fraction of residual eutectic decreases to 0.70% after homogenization annealing. The optimal homogenization processing is determined as 400 °C/10 h + 470 °C/24 h, which is in perfect accordance with the results obtained via homogenizing kinetic analysis.</jats:p> Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment Materials Research Express |
| spellingShingle | Zhai, Fenglong, Wang, Liping, Gao, Xin, Feng, Yicheng, Zhao, Sicong, Wang, Lei, Materials Research Express, Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment, Metals and Alloys, Polymers and Plastics, Surfaces, Coatings and Films, Biomaterials, Electronic, Optical and Magnetic Materials |
| title | Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment |
| title_full | Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment |
| title_fullStr | Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment |
| title_full_unstemmed | Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment |
| title_short | Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment |
| title_sort | phase evolution of a novel al–zn–mg–cu–zr–sm alloy during homogenization annealing treatment |
| title_unstemmed | Phase evolution of a novel Al–Zn–Mg–Cu–Zr–Sm alloy during homogenization annealing treatment |
| topic | Metals and Alloys, Polymers and Plastics, Surfaces, Coatings and Films, Biomaterials, Electronic, Optical and Magnetic Materials |
| url | http://dx.doi.org/10.1088/2053-1591/aba6bf |