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Number of results
2015 | 128 | 2B | B-125-B-127
Article title

Two-Step Martensitic Transformation in an Aged Ti_{50}Ni_{15}Pd_{25}Cu_{10} High Temperature Shape Memory Alloys

Content
Title variants
Languages of publication
EN
Abstracts
EN
Multi-step martensitic transformation in an aged Ni-rich binary NiTi shape memory alloy is considered as usual behavior during transformation from austenite to martensite phase; from (austenite) B2 to R-phase and then R-phase to B19' (monoclinic). However, for equi-atomic NiTi-based quaternary high temperature shape memory alloy, two-step martensitic transformation was detected for the first time. The Ti_{50}Ni_{15}Pd_{25}Cu_{10} high temperature shape memory alloys were investigated for the evolution of transformation temperatures at aging temperature of 550°C and 700°C. Aging at 550°C for 6 h resulted in significant reduction of phase transformation temperatures. During forward transformation from austenite to martensite, two-step martensitic transformation B2 → R and R → B19 (orthorhombic) was observed. By aging the alloy at 700°C for 6 h, no significant effect was found on phase transition behavior and transformation temperatures.
Keywords
EN
Publisher

Year
Volume
128
Issue
2B
Pages
B-125-B-127
Physical description
Dates
published
2015-8
Contributors
author
  • School of Mechanical and Manufacturing Engineering (SMME), National University of Science and Technology (NUST), Islamabad, Pakistan
author
  • School of Mechanical and Manufacturing Engineering (SMME), National University of Science and Technology (NUST), Islamabad, Pakistan
  • Institute of Industrial Control System (IICS), Rawalpindi, Pakistan
author
  • School of Mechanical and Manufacturing Engineering (SMME), National University of Science and Technology (NUST), Islamabad, Pakistan
  • School of Mechanical and Manufacturing Engineering (SMME), National University of Science and Technology (NUST), Islamabad, Pakistan
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv128n2b034kz
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