Texture Analysis of Hot Rolled Ni-Mn-Ga Alloys

Henryk Morawiec; Tomasz Goryczka; Andrzej Drdzeń; Józef Lelątko; Krystian Prusik

doi:10.4028/www.scientific.net/SSP.154.133

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HomeSolid State PhenomenaSolid State Phenomena Vol. 154Texture Analysis of Hot Rolled Ni-Mn-Ga Alloys

Texture Analysis of Hot Rolled Ni-Mn-Ga Alloys

Abstract:

The studies were carried out on three Ni-Mn-Ga polycrystalline alloys with the 10M martensite and the L21 parent phase. The specimens were cut along the [001] and [110] directions of the columnar grains from the ingots of either round or flat shape. The samples were heated up to 10000C and rolled in one direction in several steps. The final reduction of the samples thickness was: 28%, 36%, 57% and 69%. The texture of the initial [001] orientation rolled with the highest deformation 60% shows the following orientation components: {111}<112>, {112}<011>, {111}<011> which are typical for deformed and recrystallized metals of the A2 structure. The texture of the specimen with the initial [110] orientation rolled with 69% can be described as a fibre texture scattered around the <110> direction.