Hydrogen-induced room-temperature plasticity in TC4 and TC21 alloys

Baoguo Yuan, Yongyue Jin, Chuanshi Hong, Xiaoxue Zhang, Xiaoxu Huang

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Abstract

In order to reveal the effect of hydrogen on the room-temperature plasticity of the titanium alloys TC4 and TC21, compression tests have been carried out at room temperature. Results show that an appropriate amount of hydrogen can improve the room-temperature plasticity of both the TC4 and TC21 alloys. The ultimate compression strain of the TC4 alloy containing a hydrogen concentration of 0.5 wt.% increases by 39% compared to the untreated material. For the TC21 alloy the ultimate compression strain is increased by 33% at a hydrogen concentration of 0.6 wt.%. The main reason for the improvement of hydrogen-induced room-temperature plasticity of the TC4 and TC21 alloys is discussed.
Original languageEnglish
Article number012049
JournalI O P Conference Series: Materials Science and Engineering
Volume219
Number of pages6
ISSN1757-8981
DOIs
Publication statusPublished - 2017
Event38th Risø International Symposium on Materials Science - Technical University of Denmark , Roskilde, Denmark
Duration: 4 Sep 20178 Sep 2017

Conference

Conference38th Risø International Symposium on Materials Science
LocationTechnical University of Denmark
CountryDenmark
CityRoskilde
Period04/09/201708/09/2017

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