Erosion-corrosion of stainless steels, titanium, tantalum and zirconium
Erosion-corrosion of stainless steels, titanium, tantalum and zirconium
复制标题
DOI：
10.1016/j.wear.2004.09.023
复制
发表时间：
2005-01-01
期刊：
影响因子：
5
通讯作者：
López, R
中科院分区：
文献类型：
--
作者：
Bermúdez, MD;Carrión, FJ;López, R
AISI 304 L不锈钢和Ta-2.5W合金的厂内失效观察促进了对不锈钢AISI 304 L和316L以及高耐腐蚀活性或难熔金属（例如Ti）的侵蚀腐蚀行为的研究。通过将材料浸入含有10重量% HCl的水溶液中，在α-Ta和Zr的存在下进行侵蚀腐蚀试验。Al 2 O3颗粒在室温下以1000 rpm搅拌168 h。在每种情况下，纯腐蚀和组合侵蚀腐蚀的影响进行了研究，部分保护材料的固体颗粒的影响，在测试过程中。虽然Ta和Zr没有显示出显著的重量或粗糙度变化，但Ti的重量损失比Ta和Zr的重量损失高一个数量级，并且不锈钢由于氧化物层被去除而暴露基底金属而遭受严重的侵蚀。通过光学显微镜和SEM显微镜的微观结构研究确定了冲刷腐蚀机制。(C)2004 Elsevier B. V.保留所有权利。
The observation of in-plant failures of AISI 304L stainless steel and Ta-2.5W alloy, promoted the investigation of the erosion-corrosion behaviour of stainless steels AISI 304L and 316L and highly corrosion resistant reactive or refractory metals such as Ti, Ta and Zr.Erosion-corrosion tests were carried out by immersing the materials in an aqueous solution containing 10 wt% HCl in the presence of alpha-Al2O3 particles at 1000 rpm for 168 h at room temperature. In each case, pure corrosion and combined erosion-corrosion effects were studied by partially protecting the materials from the impact of solid particles during the tests. While Ta and Zr showed no significant weight or roughness changes, Ti weight loss was one order of magnitude higher than that of Ta and Zr, and the stainless steels suffered severe attack as the oxide layers were removed exposing the base metal. Erosion-corrosion mechanisms were determined from microstructural studies by light and SEM microscopy. (C) 2004 Elsevier B.V. All rights reserved.