Composition and orientation relationships of constituent particles in 3xxx aluminum alloys

Muggerud, Astrid Marie F.; Li, Yan Jun; Holmestad, Randi

doi:10.1080/14786435.2013.857796

Cited by 25 publications

(15 citation statements)

References 21 publications

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“…Mn is reported to form the α-Al(Fe,Mn)Si phase in certain Al alloys [28][29][30][31][32][33][34], which is structurally close to the α-Al(Fe,Mo)Si dispersoid phase [25].…”

Section: Thermodynamic Simulationmentioning

confidence: 99%

Interaction between molybdenum and manganese to form effective dispersoids in an Al–Si–Cu–Mg alloy and their influence on creep resistance

Farkoosh

Chen

Pekguleryuz

2015

Materials Science and Engineering: A

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“…Mn is reported to form the α-Al(Fe,Mn)Si phase in certain Al alloys [28][29][30][31][32][33][34], which is structurally close to the α-Al(Fe,Mo)Si dispersoid phase [25].…”

Section: Thermodynamic Simulationmentioning

confidence: 99%

Interaction between molybdenum and manganese to form effective dispersoids in an Al–Si–Cu–Mg alloy and their influence on creep resistance

Farkoosh

Chen

Pekguleryuz

2015

Materials Science and Engineering: A

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“…During homogenization, the dispersoids form via the decomposition of the supersaturated solid solution. Many investigations have been performed on the precipitation of dispersoids in 3xxx alloys [3][4][5][9][10][11][12][13][14]. The type of dispersoids varies with the alloy composition and homogenization treatment.…”

Section: Introductionmentioning

confidence: 99%

Development of Al–Mn–Mg 3004 alloy for applications at elevated temperature via dispersoid strengthening

2015

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In this study, the potential applications of Al-Mn-Mg 3004 alloy at elevated temperature have been evaluated through the systematic study of the precipitation behavior of α-Al(MnFe)Si dispersoids and their effect on material properties during precipitation treatment and long-term thermal holding. The results demonstrate a significant dispersion strengthening effect caused by the precipitation of fine uniformly distributed dispersoids during precipitation treatment. The peak compression yield strength (YS) at 300°C of the experimental 3004 alloy can reach as high as 78 MPa due to a large volume fraction (~2.95 vol. %) of α-Al(MnFe)Si dispersoids. The dispersoids are found to be thermally stable at 300°C for up to 1000 h of holding, leading to consistently high mechanical performance and creep resistance. The superior and stable YS and creep resistance at 300°C enables the 3004 alloy to be applied to weight-sensitive applications at elevated temperatures.

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“…Where D is the average equivalent diameter of dispersoids, which is calculated according to the literature [6]; t is the TEM foil thickness measured with electron energy loss spectroscopy (EELS); Ad is the area percentage of dispersoids from TEM observation; ADFZ is the area percentage of DFZ from OM measurements; and K is the average shape factor of dispersoids [6] . with the base alloy of Alloy B, there are more peaks appeared in Alloys T15 and T30 besides the peaks of Al6(MnFe) [14]. According to the literature [15,16], these additional peaks are identified from the TiB2 particles, confirming the presence of TiB2 nanoparticles in solidified microstructure of Alloys T15 and T30.…”

Section: Methodsmentioning

confidence: 75%

Influence of TiB 2 nanoparticles on elevated-temperature properties of Al-Mn-Mg 3004 alloy

Liu

Nabawy

Chen

2017

Transactions of Nonferrous Metals Society of China

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In the present work, two contents (1.5 wt. % and 3 wt. %) of TiB2 nanoparticles have been introduced in Al-Mn-Mg 3004 alloy to study their effect on the elevated-temperature properties. Results show that TiB2 nanoparticles were mainly distributed in the interdendritic grain boundaries with a size range of 20-80 nm, which is confirmed by Transmission Electron Microscopy (TEM) and X-ray diffraction (XRD). Therefore, the volume fraction of the dispersoid free zones is greatly reduced and the motion of grain boundaries and dislocations is inhibited more effectively at elevated temperate. After peak precipitation treatment, the yield strengths in the alloy with 3% TiB2 addition at room temperature and 300 o C were increased by 20% and 13% respectively while the minimum creep rate at 300 o C was reduced 5 times compared with the base alloy free of TiB2, exhibiting a considerable improvement of elevated-temperature properties in Al-Mn-Mg alloys.

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Composition and orientation relationships of constituent particles in 3xxx aluminum alloys

Cited by 25 publications

References 21 publications

Interaction between molybdenum and manganese to form effective dispersoids in an Al–Si–Cu–Mg alloy and their influence on creep resistance

Interaction between molybdenum and manganese to form effective dispersoids in an Al–Si–Cu–Mg alloy and their influence on creep resistance

Development of Al–Mn–Mg 3004 alloy for applications at elevated temperature via dispersoid strengthening

Influence of TiB 2 nanoparticles on elevated-temperature properties of Al-Mn-Mg 3004 alloy

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