THE MARTENSITIC TRANSFORMATION IN(Y,Mg)-PSZ CERAMICS

金属学报(英文版), 1991, 4(6): 471-474.

THE MARTENSITIC TRANSFORMATION IN(Y,Mg)-PSZ CERAMICS

DAI Zurong LI Baocheng Taiyuan Institute of Mechanical Engineering , Taiyuan , ChinaWU Houzheng CHEN Yuru LIU Wenxi Tianjin University , Tianjin , China

Keywords： ceramics , null , null

A dynamic process of the martensitic transformation in(Y,Mg)-PSZ ceramics was observed in situ using TEM.Under the effect of contact stress between tetragonal(t)-ZrO_2 precipi- tates,a group of substructural martensite variants may occur priorly and then another one was induced by the elastic strain relaxation,both form(100)_m twins further.In addition,the crystallography of the martensitic transformation was also discussed.

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THE MARTENSITIC TRANSFORMATION IN(Y,Mg)-PSZ CERAMICS

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