应用电化学方法及腐蚀试验研究了LY 12铝合金表面常温稀土化学转化膜。
The cerium conversion coatings on LY12 aluminum alloy surface under normal temperature was studied by electrochemical methods and corrosion experiments.
通过试验对集中供暖系统在运行状态和停暖状态下主管道碳钢内表面腐蚀速率分别进行了测定，并指出了危害程度。
Measures experimentally the inner surface corrosion rate of carbon steel pipeline during operation and suspending period respectively, and points out the deterioration degree.
盐水浸渍法试验结果证明了成膜后LY12铝合金表面的腐蚀速率明显降低；
The data of salt solution immersion test indicate that corrosion rate of aluminium alloy LY12 with ceria thin film is decreased.
通过混凝土抗渗性试验、抗硫酸盐腐蚀试验和耐磨性试验，得出施工工艺和混凝土表面质量与混凝土耐久性的关系。
Through permeability resistance test, sulfate corrosion test and abrasion resistance test, the relationship of construction techniques, concrete surface quality and durability was reached.
本文对921A钢焊接接头在海水腐蚀环境下受弯曲疲劳载菏作用时表面裂纹扩展规律进行了试验研究。
The propagation of surface cracks in welded connections made of type "921A" steel has been investigated experimentally under bending fatigue load and in the corrosive environment of seawater.
文章就解决潮湿表面防腐蚀问题进行了现场实际挂片试验。
To solve the corrosion problem of the wet surfaces, coupon test was conducted.
盐水喷雾试验机针对各种材质之表面经电镀、阳极处理、喷涂、防锈油等防腐蚀处理后、测试其制品之耐腐蚀性。
Salt spray test machine for a variety of surface materials by electroplating, anodizing, painting, rust-proof oil, anti-corrosion treatment, testing its products on the corrosion resistance.
随着试验周期的延长，表面产生了腐蚀产物，这时冲刷作用对试样表面腐蚀产物膜的破坏更加严重，所以冲刷腐蚀速率比浸泡腐蚀速率增加。
Along the experiment time was prolonged, the corrosion products was appeared on the surface of sample. Then the runoff effect became more aggravated, so the dynamic corrosion rate was elevated.
采用化学氧化层、底漆、密封胶三层防腐蚀修复工艺，原位修复飞机导弹发射梁表面腐蚀，试验了修复层的防腐蚀性能。
The in-situ maintenance technology included chemical oxide coating, primer and sealing glue, was introduced for the corrosive surface of missile launching pylon in airplane.
点腐蚀试验结果表明，在整个试验过程中，钎料表面表现为均匀腐蚀，点蚀的迹象不明显。
Point corrosion testing indicated that there is not point corrosion mark, and uniform corrosion characteristic was present to the filler metal.
试验结果表明，采用合适的工艺，微弧氧化表面处理完全可以满足汽车壳体类零件的抗腐蚀性能要求。
The results showed that the surface treatment of micro-arc oxidation can fully meet the requirements of corrosion resistance for automobile housing under proper technical condition.
通过模拟闭塞腐蚀电池试验研究了钢在热处理前后的点蚀扩展速度，并利用电子探针和扫描电镜分析了钢表面的蚀坑形貌。
The pitting propagation rate was evaluated by simulating occluded corrosion cell (SOCC), and corrosive characteristic of pits was studied by scanning electro microscopy (SEM) and EPMA.
试验表明：表面有沉积物时，碳钢自腐蚀电位负移、自腐蚀速率减小；
The test shows the corrosion self electric potential has negative displacement and the corrosion self rate is reduced if there is deposit on the wall.
在A 3钢腐蚀试验中，为完全清除腐蚀样品表面的腐蚀产物，必须采用化学清洗的方法。
In the corrosion experiment of A3 steels, in order to totally removing the corrosion products which adhere to the sample surface, chemical methods were used to washing them.
采用化学氧化层底漆密封胶三层防腐修复工艺，原位修复飞机铝合金结构件表面腐蚀。试验了修复层的防腐蚀性能。该工艺防腐蚀效果好，施工简单，成本低，有较强的实用性。
The technology for renovating aeroplane aluminum alloy structural member corrosion in original place is introduced. The technology has the merits of low cost, simplicity in treatment and high quality.
试验结果表明经低温气体多元共渗表面处理的钢管表面有一层均匀致密的化合物层，从微观上分析了其抗迷流腐蚀性增强的机理。
The result of comparison tests in same corrosive environment shows that the corrosion resistance of the materials after the low temperature gas multicompon…
并用金相、X -线衍射分析、电子探针、扫描电镜等方法对试验后样品的腐蚀表面进行了观察研究。
Surfaces of corroded specimens have been examined by means of metallography, X-ray diffraction analysis, EPMA, SEM, etc.
并用金相、X -线衍射分析、电子探针、扫描电镜等方法对试验后样品的腐蚀表面进行了观察研究。
Surfaces of corroded specimens have been examined by means of metallography, X-ray diffraction analysis, EPMA, SEM, etc.
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