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| EFFECT OF HYDROGEN ON DISLOCATION VELOCITY-STRESS EXPONENTS OF Ti ALLOYS |
| CAO Mingzhou YANG Ke WAN Xiaojing (Institute of Metal Research;Academia Sinica;Shenyang) |
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Cite this article:
CAO Mingzhou YANG Ke WAN Xiaojing (Institute of Metal Research;Academia Sinica;Shenyang). EFFECT OF HYDROGEN ON DISLOCATION VELOCITY-STRESS EXPONENTS OF Ti ALLOYS. Acta Metall Sin, 1987, 23(1): 92-94.
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Abstract The dislocation velocity-stress exponents,m~*,of commercial pure Ti,Ti-6Al-4V and Ti-15Mo alloys,which were charged with hydrogen,were measured by means of the stress relaxation method at room temperature.The results show that when hydrogen concentration in pure Ti,Ti-6Al-4V and Ti-15Mo alloys exceeds 310,620 and 1100 ppm respectively, the m~* value increases as the increasing of hydrogen concentration,that seems to be due to decreasing the binding energy of lattice.
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Received: 18 January 1987
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