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Affiliation(s)

1. Logistics Groups Company, Yan Shan University, Qinhuangdao 066004, China
2. School of Continuing Education, Yan Shan University, Qinhuangdao 066004, China
3. Department of Materials and Engineering, North China Institute of Aerospace Engineering, Langfang 065000, China

ABSTRACT

Ti-6Al-4V alloy was treated at 5 GPa pressure and 1,000 °C for 20 minutes, the room temperature creep deformation of the alloy before and after 5 GPa pressure treatment was measured. According to the microstructure analysis, the effect of high pressure heat treatment on room temperature creep property of Ti-6Al-4Valloy was investigated. The results show that room temperature creep in Ti-6Al-4V alloy before and after 5 GPa pressure treatment can occur, 5 GPa pressure treatment can reduce room temperature creep deformation, and leads to the creep resistance of Ti-6Al-4V alloy rises.

KEYWORDS

Ti-6Al-4V alloy, 5 GPa pressure treatment, nanoindentation, creep.

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