Title :
Investigation on mechanical properties of Y doped Ni50Mn37Sn13 shape memory alloys
Author :
Ailian Liu ; Tianji Gao ; Jiawen Xu ; Yufeng Zheng
Author_Institution :
Center for Biomed. Mater. & Eng., Harbin Eng. Univ., Harbin, China
Abstract :
The effect of Y addition on the average grain size and mechanical properties of Ni-Mn-Sn magnetic shape memory alloys is studied by means of optical microscope, compressive test and scanning electron microscope (SEM) observation in the paper. The results show that Y addition refines the grains of Ni Mn-Sn alloy obviously and significantly enhances the compressive strength and maximum compressive strain. In addition, the fracture type changes from typical intergranular crack to transgranular crack gradually with Y addition into Ni Mn-Sn FSMAS.
Keywords :
alloying additions; compressive strength; compressive testing; cracks; ferromagnetic materials; fracture; grain refinement; grain size; manganese alloys; nickel alloys; optical microscopy; scanning electron microscopy; shape memory effects; tin alloys; yttrium alloys; Ni50Mn37Sn13Y; SEM; compressive strength; compressive testing; ferromagnetic materials; fracture; grain refinement; grain size; intergranular crack; magnetic shape memory alloys; maximum compressive strain; mechanical properties; optical microscopy; scanning electron microscopy; transgranular crack; Metals; Microscopy; Strain; Mechanical properties; Ni-Mn-Sn alloy; Rare earth Y;
Conference_Titel :
Strategic Technology (IFOST), 2011 6th International Forum on
Conference_Location :
Harbin, Heilongjiang
Print_ISBN :
978-1-4577-0398-0
DOI :
10.1109/IFOST.2011.6020980
