Strength Improvement of Nano-Structured Titanium Processed by Parallel Tubular Channel Angular Pressing
Publish place: International Journal of Advanced Design and Manufacturing Technology، Vol: 16، Issue: 1
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ADMTL-16-1_004
تاریخ نمایه سازی: 2 خرداد 1402
Abstract:
Parallel Tubular Channel Angular Pressing (PTCAP), as a process of Severe Plastic Deformation (SPD), was employed for improving the strength of commercially pure Titanium (Grade ۲). In the present research, the tubular samples of pure titanium were severely deformed by one and two passes of PTCAP at the temperature of ۴۵۰°C. It was found by the results of tensile tests that the yield and ultimate strengths increased by ۲۴% and ۲۹% after applying the second pass of PTCAP, respectively. It was also showed that the Vickers microhardness increased by ۴۶%. Moreover, the micrographs illustrated that the average grain size decreased from ∼۲۱ μm in the unprocessed condition to ∼۱۴۳ nm after applying two PTCAP passes. Therefore, applying the technique of PTCAP was successful to produce the nano-structured titanium.
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Authors
Ali Amani
Department of mechanical engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
Hamid Soleimanimehr
Department of Mechatronics and Computer Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
Shahram Etemadi Haghighi
Department of mechanical engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
Farid Biniyazan
Department of mechanical engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
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