The B2-B19-B19' transformation behaviour in Ti-(45-x)Ni-5Cu-xV alloys
Creators
- 1. Division of Advanced Materials Engineering, i-cube and ERI, Gyeongsang National University, 900 Gajwa-dong, Jinju, Gyeongnam 660-701 (Korea, Republic of)
- 2. Department of Civil Engineering, Hongik University (Korea, Republic of)
- 3. Department of Civil Engineering, Inje University (Korea, Republic of)
- 4. Department of Civil Engineering, Chung-Ang University (Korea, Republic of)
Description
Transformation behaviour, shape memory characteristics and superelasticity of Ti-(45 - x)Ni-5Cu-xV(at.%) (x= 0.5-2.0) alloys were investigated using different techniques. The B2-B19' transformation occurs when V content is less than 1.0 at.%, above which the B2-B19-B19' transformation occurs. The temperature gap between Ms' (the B2-B19 transformation start temperature) and Ms (the B19-B19' transformation start temperature) increased from 8 to 22 K with increasing V content from 1.0 to 2.0 at.%. V content dependence of Ms' (the B2-B19 transformation start temperature) was 20 K at.% -1. One-stage elongation occurred in Ti-44.5Ni-5.0Cu-0.5 V and Ti-44.0Ni-5.0Cu-1.0 V alloys, while two-stage elongation occurred in Ti-43.5Ni-5.0Cu-1.5 V and Ti-43.0Ni-5.0Cu-2.0 V alloys. Transformation hysteresis decreased from 16 to 12 K with increasing V content from 0.5 to 2.0%. The superelastic recovery ratio increased from 65.0 to 86.1% with increasing V content from 0.5 to 2.0%
Additional details
Identifiers
- DOI
- 10.1088/0031-8949/2007/T129/054;
- PII
- S0031-8949(07)61008-54;
Publishing Information
- Journal Title
- Physica Scripta (Online)
- Journal Volume
- 2007
- Journal Issue
- T129
- Journal Page Range
- p. 240-244
- ISSN
- 1402-4896
INIS
- Country of Publication
- United Kingdom
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 39028722
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- COPPER ALLOYS; CRYSTAL-PHASE TRANSFORMATIONS; ELONGATION; HYSTERESIS; NICKEL ALLOYS; QUATERNARY ALLOY SYSTEMS; SHAPE MEMORY EFFECT; TEMPERATURE DEPENDENCE; TITANIUM ALLOYS; VANADIUM ALLOYS
- Descriptors DEC
- ALLOY SYSTEMS; ALLOYS; DEFORMATION; PHASE TRANSFORMATIONS; TRANSITION ELEMENT ALLOYS