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The Kinetic of Al3Ti Phase Growth in Explosively Welded Multilayered Al/Ti Clads during Annealing under Load Conditions

100%

Petrzak P., Mania I., Paul H., Maj Ł., Gałka A., Petrzak P., Mania I., Paul H., Maj Ł., Gałka A.

issue 4

XRD and TEM Heating of Large Period Ni/Al Multilayer Coatings

85%

Świątek Z., Gradys A., Maj Ł., Morgiel J., Marszałek K., Mania R., Szlezynger M.

Acta Physica Polonica A

2016

vol. 130

issue 4

880-883

The Ni/Al multilayer coating of λ ≈100 nm was deposited onto (001)-oriented monocrystalline silicon substrate using double target magnetron sputtering system equipped with rotating sample holder. The thicknesses of alternating layers were adjusted in the way to preserve the chemical composition ratio close to 50%Al:50%Ni (at.%). The in situ X-ray diffraction and in situ transmission electron microscopy heating experiments were carried out at relatively low heating rates (20°C/min) in order to study the phase transformation sequence. The investigations revealed that the reaction between Ni and Al multilayers starts at ≈200°C with precipitation of Al₃Ni phase, while above 300°C dominates precipitation of Ni₃Al and NiAl intermetallic phases. Both the X-ray and electron diffractions acquired at 450°C confirmed presence of the Ni₃Al and NiAl intermetallics, but the former pointed at still lasting traces of Ni(Al) solid solution.

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1 Acta Physica Polonica A

1 Archives of Metallurgy and Materials

1 2019

1 2016

2 Maj Ł.

1 Gałka A.

1 Gradys A.

1 Mania I.

1 Mania R.

1 Marszałek K.

1 Morgiel J.

1 Paul H.

1 Petrzak P.

1 Szlezynger M.

1 Świątek Z.

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The Kinetic of Al3Ti Phase Growth in Explosively Welded Multilayered Al/Ti Clads during Annealing under Load Conditions

XRD and TEM Heating of Large Period Ni/Al Multilayer Coatings