Microstructure evolution in Ti-6A1-4V alloy during hydrogen dosing at elevated temperature.
Journal Article
2011
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Journal of the South African Institute of Mining and Metallurgy
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The Southern African Institute of Mining and Metallurgy
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University of Cape Town
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Abstract
The embrittlement of the Ti-6Al-4V alloy by hydrogen dosing at elevated temperature has been investigated. Metal coupons were subjected to isothermal treatments in a partial hydrogen atmosphere in the temperature range from 650ºC-950ºC and the degree of embrittlement after treatment was determined by dropweight impact testing. Embrittlement was found to be inversely related to reaction temperature as a result of the combined effects of greater hydrogen absorption and titanium hydride precipitation at the lower isothermal temperatures.
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Reference:
Matthews, L. A., & Knutsen, R. D. (2011). Microstructure evolution in Ti-6Al-4V alloy during hydrogen dosing at elevated temperature. Journal of the Southern African Institute of Mining and Metallurgy, 111(3), 155-158.