[PDF] Top 20 Martensitic Transformation of A Ti-rich Ti40.5Ni49.5Zr10 Shape Memory Alloys

... 3.1. Transformation behavior in Ti 40.5 Ni ...49.5 Zr 10 alloy melted and remelted at least six times in an argon ...atmosphere. A pure titanium ... See full document

... Ti 40.5 Ni 49.5 Zr 10 alloy undergoes B2 ↔ B19  martensitic ...capacities of B19  and B2 phases of this alloy are lower than those of ... See full document

... Abstract Ti 40.5 Ni 49.5 Zr 10 alloy undergoes B2 ↔ B19  martensitic ...capacities of B19  and B2 phases of this alloy are lower than those ... See full document

... Department of Materials Science, Feng Chia University, Taichung, Taiwan 407, ROC Received 25 April 2001; accepted 21 August 2001 Abstract Ti Ni Si 51 47 2 alloy is similar to Ti Ni 51 ... See full document

... Abstract Ti 51 Ni 44 Si 5 alloy exhibits martensitic transformation,in which the transformation peak temperatures A* and M* of this alloys are higher than ... See full document

... transformations. A cold-working process can generate high-density defects, large residual stresses and distortion in cold- worked ...greatly affect mar- tensitic transformation behavior and can be ... See full document

... 50.52x Ni 49.5 Zr (x55|20 at.%) shape memory alloys exhibit the characteristics of B2↔B199 martensitic transformation and their x ... See full document

... to 5%, 10%, 15%, and 25% reductions in ...for a DSC measurement, hardness test, shape-recovery test, internal friction test, and microstructure observa- tion were carefully cut from plates ... See full document

... the shape recovery of A and B ...existence of many second phase particles, these alloys still exhibit good shape recovery up to about ...The shape recovery of ... See full document

... 0 transformation in the low dislocation density region, and peak 2 also corresponds to the B2 ! B19 0 transformation but now in the high disloca- tion density ...phase transformation. The one extra ... See full document

... friction of a first-order phase transformation is proposed to be decomposed into three terms: IF Tr , IF PT and IF I ...is a transitory internal friction, which appears only at low ν and ... See full document

... evolution, shape memory effect and shear strength of infrared brazed Ti 50 Ni 50 shape memory alloy using Cusil-ABA w and Ticusil w active braze alloys are ...wet ... See full document

... three-stage martensitic transformation occurring in severely cold-rolled Ti 51 Ni 40 Cu 9 SMA annealed at 500 ◦ C × 72 h and 650 ◦ C × 1 h is investigated by DSC, DMA and ...three-stage ... See full document

... Department of Materials Science and Engineering, National Taiwan University, Taipei 106, Taiwan, ROC Received 25 April 2005; received in revised form 21 November 2005; accepted 9 December 2005 Abstract The ... See full document

... Department of Materials Science, Feng Chia University, Taichung, Taiwan 407 Received 3 September 2001; accepted 13 November 2001 Abstract Effects of Si on transformation temperatures and second ... See full document

... on transformation temperatures of Ti 49 Ni 51 al- loy is also ...investigated. A 400 ◦ C × 20 h aged Ti 49 Ni 51 specimen is selected to study this ...the ... See full document

... prepare Ti 50 −X Ni 50 W X , Ti 50 Ni 50 −X W X and Ti 51 Ni 49 −X W X alloys with X = 1–2 ...i.e. Ti 49 Ni 50 W 1 , Ti 48 Ni 50 ... See full document

... acteristics of crystallized Ti 50 Ni 25 Cu 25 ...at a tem- perature above or below T x ...possess a good shape recover- able strain, say ...for 5–15 min can all possess ... See full document

... Department of Materials Science, Feng Chia University, Taichung 400, Taiwan, ROC Received 8 March 2000; received in revised form 13 April 2000; accepted 15 May 2000 Abstract The martensitic ... See full document

... deformation of martensite and those induced by thermal cycling come from the thermal stress and transformation shear asso- ciated with B2 → B19 0 ...Fig. 10, the constant K of Ti 52 ... See full document