According to sampling analysis the surface river water and ground water in borehole have micro-corrosion on concrete structure rebar in reinforced concrete and steel structure.
根据取样分析地表河水、钻孔内地下水对混凝土结构、对钢筋混凝土中钢筋、对钢结构均具微腐蚀性。
The mechanism of FC admixture increasing the high performance concrete resistance to sulfate corrosion is analyzed as viewed from micro structure.
从微观孔结构分析了FC掺和料提高高性能混凝土抗硫酸盐腐蚀性能的机理。
The result showed that the direct reason of reboiler invalidation was the intercrystalline stress corrosion and crack caused by micro-chloride in the medium.
结果表明,介质中所含的微量氯离子引起的晶间型应力腐蚀开裂导致再沸器失效。
In view of liquid zinc corrosion problem to be settled urgently in the hot galvanizing industry, the micro-design of material is done based on corrosion theory and metal theory.
针对当前热镀锌行业亟待解决的液态锌腐蚀问题,依据腐蚀理论和金属理论对材料进行微观设计。
Micro cell corrosion originally carried out in pearlites on the external surface of the pipe where micro cell circuit could be formed, and gradually developed and spreaded.
认为,油管失效是由于微电池腐蚀造成的,腐蚀先在钢管外表面能构成电池回路的珠光体晶粒中进行,然后逐渐扩展到周围的晶粒。
Effects of nano silicon sol on micro-morphology and corrosion behavior of organic composite film made up of water soluble acrylic resin and molybdate were investigated.
研究纳米硅溶胶改性剂对水溶性丙烯酸树脂和钼酸盐组成的有机复合膜微观形貌及腐蚀行为的影响。
The macro and micro characteristics of vacuolar corrosion were studied; a failure case of vacuolar corrosion of petroleum pipe of seashore well-drilling rig was discussed.
通过讨论海上石油钻井平台用管材空泡腐蚀失效的案例,研究管材空泡腐蚀的宏观特征和微观特征。
It is proved that mirror EDM with mixed dielectric powders can not only decrease the surface roughness, but also improve the surface abradability, corrosion-resistance and micro - hardness.
研究结果表明,混粉电火花镜面加工不但能够显著降低加工表面粗糙度值,而且能够提高加工表面的耐磨性、耐蚀性和表层显微硬度。
A layer of ceramic film is produced by micro plasma oxidation on the surface of ti alloy in order to improve its corrosion resistant property.
为提高钛合金的耐腐蚀性能,在其表面用微等离子体氧化法生长一层陶瓷膜。
Emphasis is laid on the study of its corrosion resistance, hardness, wearing resistance, micromotion abrasion and micro motion fatigue properties.
着重研究了它的耐蚀性能、硬度、耐磨性和微动摩损及微动疲劳性能。
The micro current galvanic corrosion detector MCD01 which developed by own effort can determine the galvanic corro…
经自行开发研制的MCD01电偶腐蚀计可以准确的测量腐蚀电流,特别是微小电偶腐蚀电流。
A test analysis is made on macro-failure and micro-failure characteristics, metallography and corrosion mediums of U-type stainless steel bellows type expansion joints leaked.
对发生泄漏的不锈钢u型波纹管补偿器的宏观失效特征、微观失效特征、金相、腐蚀介质进行试验分析。
The corrosion resistance of micro-arc oxidation coating on Mg alloy was investigated based on the analysis of the cross-sectional microstructures and elemental distributions.
为了解镁合金微弧氧化膜的耐蚀性能,研究了其截面不同位置的组织结构及元素分布。
The corrosion resistance of micro arc oxidation ceramic coating is better than the corrosion resistance of chromate and anode coating.
微弧氧化陶瓷层的耐蚀性优于阳极氧化和铬化处理膜层的耐蚀性。
A film with excellent hardness, heat resistant, corrosion resistance, adhesive power and color can be prepared by said micro-plasma oxidation technology.
通过这种技术可在铝合金表面获得高硬度、高热抗、耐腐蚀性好、附着力高、色泽稳定的陶瓷膜层。
The effects of oxidation time on the density, thickness and corrosion resistance of the micro-arc oxidation coatings of MB8 magnesium alloy were investigated.
研究氧化时间对MB8镁合金氧化膜致密度、厚度和耐蚀性的影响,分析不同氧化时间膜层表面微观形貌、成分和结构的变化。
The results of vascular corrosion castings indicated pedicled vessels remained patency, but the micro-vascular density of free flap in high-dose group reduced dramatically.
微血管铸型显示轴血管通畅,但高剂量组皮瓣微血管密度明显降低。
Micro-arc oxidation can improve effectively the corrosion resistance of magnesium alloy.
微弧氧化技术能够有效提高镁合金的耐蚀性。
A clean system will have lower corrosion rates due to less micro-biologically-induced corrosion.
由于比较少的微一个干净的系统将会让比较低的腐蚀率-生物学的-感应腐蚀。
The failure cause of the tubing was studied by macro and micro analysis, physical and chemical properties testing, X-ray energy spectrum analysis and stimulated corrosion test.
通过宏观和微观分析、理化性能检验、X射线衍射和模拟试验,对腐蚀油管进行了失效分析。
The substrate in micro mold insert is nickel metal which is stable in the air and alkaline liquid. Nickel color won't wear out and nickel has good corrosion resistance.
微特征模仁使用的基材为镍金属,镍金属在大气和碱液中化学性质的安定性好,不易变色且具有良好的耐蚀性和延展性并且易于抛光等优点。
Under cyclic wet-dry conditions, it showed a closed relation between the spreading of micro-droplets and corrosion current. They were influenced and promoted with each other.
在干湿交替作用下,微液滴的扩展与腐蚀电流之间相互影响、相互促进。
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.
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。
When the over-voltage is 100 ~ 150 v, the ceramic level corrosion resistance is good. Therefore, the micro-arc oxidation of Mg alloy should choose the suitable over-voltage.
并且陶瓷膜层耐蚀性在过电压为100 ~ 150V时较好,因此镁合金微弧氧化要选择适当的过电压。
With good wear resistance and corrosion resistance, micro-cracks criss-cross network to strengthen the film's adhesion.
纵横交错的微裂纹网络,增强油膜的附着能力。
With good wear resistance and corrosion resistance, micro-cracks criss-cross network to strengthen the film's adhesion.
纵横交错的微裂纹网络,增强油膜的附着能力。
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