- All Journals
- Al-Qadisiyah University
- Basrah University
- Kirkuk University
- Mosul University
- The Iraqi Borad for Medical Specialization
- University of Anbar
- University of Technology
- Al Mustafa University
- Al-Zahraa University for Women
- Alnoor University
- Kunooz University
- Misan University
- Ninevah University
- Tikrit University
- University of Al-Hamdaniya
- University of Kerbala
Study of Compression Behaviour of a Cu-13Al-4Ni-xCr Shape Memory Alloys Prepared by powder metallurgy process | ||
| Journal of University of Babylon | ||
| Article 1, Volume 25, Issue 1, 2017, Pages 145-156 | ||
| Authors | ||
| Abdul Raheem K. Abid Ali; Aseel Safee hamza | ||
| Abstract | ||
| In this study (Cu-13Al-4Ni-xCr) shape memory alloys have been prepared by using Powder metallurgy technique with added Cr element (x=0.3,0.6,0.9) . After compacted , sintering process has been done in vacuum pressure (10-4torr) at ( 550oC for 120 minute) and ( 900oC for 60 minute) then cooling inside furnace.Quenching heat treatment carry out at (850oC for 60 minute) then cooling in cold water to (3-4oC) . The microstructure has been studied by optical microscope and scanning electron microscope (SEM) , porosity , compression behavior(stress-strain) for quenched specimens also have been studied . The results have been approached that the hardness increases with percent chrome while the porosity decreases . The compression stresses to fracture , have been increased with respect to (0.3%C) had porosity (27%) and decreased for (0.9%) has porosity (22%) . from the previous results , quenched alloy (Cu-13%Al-4%Ni-0.3%Cr) is the more compression strength | ||
| Keywords | ||
| Shape memory alloys; powder metallurgy; CuAlNi; Compressibility; mechanical behavior | ||
|
Statistics Article View: 35 PDF Download: 3 |
||