Differential scanning calorimetry evaluations of recrystallization behavior in aluminum sheet

Hildebrandt, Wilhelm

doi:10.1007/bf02811650

Cited by 20 publications

(9 citation statements)

References 3 publications

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“…Similar results were reported for a strain hardened (H19) commercial 1XXX series alloy in (Hildebrandt, 1979). The low temperature signal consists of several overlapped peaks and is attributed to recovery processes.…”

Section: Dsc Analysessupporting

confidence: 85%

“…Compressive residual stresses of about 20 ± 5 MPa have been assessed in the Al phase irrespective of the number of temperature cycles. This value is close to the yield stress of pure aluminum (Hildebrandt, 1979) and indicates that the Al phase has probably undergone plastic deformation during the elaboration process. This is supported by the dislocation density about 10 14 m −2 in the Al phase (as-received material).…”

Section: Microstructural Changes In the Al Phasesupporting

confidence: 75%

“…Thanks to cyclic thermomechanical stresses induced by the mismatch of coefficients of thermal expansion, temperature cycles are able to activate dynamic recovery mechanisms that continue the static recovery process. This results in further reducing lattice strain and (Hildebrandt, 1979) has almost fully disappeared after 500 temperature cycles (Fig. 8).…”

Section: Microstructural Changes In the Al Phasementioning

confidence: 95%

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Influence of temperature cycles on strength and microstructure of spray-deposited Si–Al CE9F alloy

Mauduit

Dusserre

Cutard

2019

Mechanics of Materials

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A B S T R A C T This paper investigates the effects of temperature cycles between −55°C and 125°C (the temperature range for intended space application) on the strength and microstructure of spray deposited Si-Al CE9F alloy. After 500 cycles, the strength is significantly improved of 9% (i.e., 26 MPa). Moreover the Weibull modulus also undergoes a significant increase. Microstructure characterizations by XRD, SEM, EBSD and DSC evidence recovery and recrystallization processes in the Al phase, and subgrain development at grain boundaries in the Si phase, leading to lower crystallite size. A Hall-Petch dependence of mean strength to average crystallite size in Si is proposed as strengthening mechanism.

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Section: Dsc Analysessupporting

confidence: 85%

Section: Microstructural Changes In the Al Phasesupporting

confidence: 75%

Section: Microstructural Changes In the Al Phasementioning

confidence: 95%

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Influence of temperature cycles on strength and microstructure of spray-deposited Si–Al CE9F alloy

Mauduit

Dusserre

Cutard

2019

Mechanics of Materials

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“…Copper, deformed by cold rolling with thickness reductions of 30-90%, gave peaks associated with release of stored energy (115) which did not depend on grain size. Recrystallization in A1 sheet also was followed by DSC (94). Splat-quenched Pb was examined by DTA and electron microscopy (8).…”

Section: Differential Thermal Analysis-dynamic Scanning Calorimetrymentioning

confidence: 99%

Thermal analysis

Murphy¹

1980

Anal. Chem.

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“…The commercial alloy AA8011 was chosen for this purpose, where Fe and Si, as main alloying elements, regulate the microstructure and properties of the Al-Fe-Si system. Several works dealing with this alloy have been reported in the literature [7][8][9][10][11]. Garcia-Cordovilla and Louis [12] differentiated exothermal reactions associated with precipitation and recrystallization of this alloy via DSC measurements.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study of the Interaction between Recrystallization and Precipitation Processes of an AA8011 Commercial Alloy

Luiggi

Valera

Rodriguez

et al. 2014

Journal of Metallurgy

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Phase changes in a commercial AA8011 alloy from different initial microstructure conditions were studied using thermoelectric power (Δ ), differential scanning calorimetry (DSC), and transmission electron microscopy (TEM) techniques with the purpose of obtaining evidence of the interaction between recovery-precipitation and recrystallization-precipitation processes occurring during nonisothermal heating at different rates. Thermoelectric power and its thermal derivative reflect this evidence by a displacement of the characteristic precipitation peaks, the recovery and recrystallization contributions remaining masked by the strong incidence of the iron precipitation on that property, while DSC measurements detect the emergence of new peaks not observed on thermograms of homogenized samples. An exhaustive study of these peaks permits direct differentiation between precipitation and recoveryrecrystallization contributions. TEM confirms the interaction between both processes by means of local observations.

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Differential scanning calorimetry evaluations of recrystallization behavior in aluminum sheet

Cited by 20 publications

References 3 publications

Influence of temperature cycles on strength and microstructure of spray-deposited Si–Al CE9F alloy

Influence of temperature cycles on strength and microstructure of spray-deposited Si–Al CE9F alloy

Thermal analysis

Experimental Study of the Interaction between Recrystallization and Precipitation Processes of an AA8011 Commercial Alloy

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