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期刊论文

Surface characterization of a Ti-2Al-2.5Zr alloy by nitrogenion implantation

祖小涛X.T. Zu * Z.G. Wang X.D. Feng C.F. Zhangb S. Zhuc Q. Yuc

Journal of Alloys and Compounds 351(2003)114~118,-0001,():

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摘要/描述

The structural mechanisms of the hardening of a Ti-2Al-2.5Zr alloy by 75 keV nitrogen ion implantation with doses of 3310 and 17 2 8310 N/cm is investigated. The surface characterization of samples was studied by XPS, XRD and Vickers hardness tests. The results of XPS and XRD analysis show that TiN is formed in the surface region. Nitrogen implantation increases the surface hardness up to 340 17 17 2 and 260% for doses of 8310 and 3310N/cm, respectively, due to formation of TiN and irradiation-enhanced hardening.

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