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首页> 外文会议>Asian Pacific Conference on Fracture and Strength;APCFS; 20061122-25;20061122-25; Sanya(CN);Sanya(CN) >Electrochemical Corrosion Behaviors of Ti_2AINb with Double Glow Plasma Surface Molybdenized
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Electrochemical Corrosion Behaviors of Ti_2AINb with Double Glow Plasma Surface Molybdenized

机译：双辉等离子表面钼化Ti_2AINb的电化学腐蚀行为

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摘要

Ti_2AlNb orthorhombic alloy is an attractive high temperature structural material for aero-industries, but insufficient wear-resistance is a major drawback which restricts the actual uses of this alloy in many circumstances. A double glow plasma surface molybdenizing on Ti_2AlNb alloy had been carried out to resolve this problem. This paper investigated the electrochemical corrosion behaviors of the alloy after molybdenizing. The polarization curves of specimens in three corrosive media, 5% H_2SO_4, 5% HCl and 3.5% NaCl, were measured. The eroded surface morphologies were surveyed by SEM. The results indicate that surface molybdenizing decreased the alloy's corrosion resistance slightly, but still exhibit good performance.
机译：Ti_2AlNb正交晶合金是用于航空工业的一种有吸引力的高温结构材料，但是耐磨性不足是一个主要缺点，在许多情况下限制了该合金的实际使用。为了解决这个问题，已经对Ti_2AlNb合金进行了双辉等离子体表面钼化。本文研究了钼合金化后的电化学腐蚀行为。测量了三种腐蚀性介质（5％H_2SO_4、5％HCl和3.5％NaCl）中样品的极化曲线。通过SEM对侵蚀的表面形态进行了调查。结果表明，表面钼化使合金的耐蚀性稍有下降，但仍表现出良好的性能。

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