Influence of Hydrogen on Impact strength and Microstrcture of the Titanium Alloy Ti-Al-V
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Abstract:
Absract:After analyzed and tested the composition, microstructure and the mechanical property for the forging timber of the titanium alloy Ti-Al-V, Processed it into lash test samples , and made the samples having different hydrgen-content by the way of artificial hydrogen-absorption. Next, measured the impact strength vaules(ak ) of the titanium alloy in different hydrogen-content, and drawn the relation curve between the impact strength and the hydrogen-content. Afertwards,four samples and themselves impact fractographies whose hydrogen-contents are 48ppm,137ppm, 361ppm and 666ppm have been used for phases and the sweep electorn microscopes,Known microstructures and shapes of the hydrogenate of the different hydrogen-content tianium alloy and that the hydrogenate is sheet and its distribution in the titanium alloy.
