氢腐蚀
- Hydrogen corrosion;hydrogen-type corrosion
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20G钢氢腐蚀的超声背散检测
Ultrasonic back - scatter detection of hydrogen attack in low carbon steel
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通过宏观形貌、化学成分、金相组织、力学性能、X射线衍射、扫描电镜观察等分析手段判断出热采注汽管线的最终破裂原因是氢腐蚀造成。
The analysis of macroforms , chemical compositions , metallographic structure and mechanisms performance as well as x-ray and electronic scanner examination have found that the rupture of the steam injection pipe was caused by hydrogen corrosion .
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通过对极化曲线的分析可知,A3钢在污水中的腐蚀的阳极反应主要是铁的溶解过程,阴极反应主要是吸氧腐蚀和析氢腐蚀过程。
Through the analysis of polarization curves we can see that the anodic reaction of A3 steel corrosion in the sewage is mainly iron dissolution process , the main cathode reactions are hydrogen corrosion and oxygen corrosion .
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采用剖分试样真空回复热处理法对低碳钢和Cr-Mo钢的氢腐蚀裂纹愈合机理进行了研究。
The healing mechanism of hydrogen-attacked crack and its influencing factors to the low carbon steel and Cr-Mo steel during the healing process was studied by recovering heat treatment of split specimens in vacuum .
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锌的析氢腐蚀速度可用简单有效的量气法来测量,并介绍了几种可振动且分刻度为0.05mL的简单量气管。
The corrosive speed is measured by measuring gas method , the method is simple and effective for zinc corrosion in alkaline electrolyte . The new measuring gas tube was suggested , the tube can be vibrated and its measuring graduation are 0.05 mL.
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热处理作用下碳钢氢腐蚀裂纹愈合规律
Crack Healing of Hydrogen Attack in Carbon Steel by Heat Treatment
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电站锅炉水冷壁管的氢腐蚀
Hydrogen Corrosion in Water Wall of Boiler in Power Plant
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热塑性变形条件下碳钢氢腐蚀裂纹的愈合
Crack healing of Hydrogen-Attacked cracks in carbon steel under hot plastic deformation
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用高温显微镜原位观察钢中氢腐蚀裂纹愈合过程
In-situ investigation of healing on Hydrogen-Attacked crack in steel by high-temperature microscope
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剖分试样真空回复热处理法研究氢腐蚀裂纹的愈合
Hydrogen-Attacked crack healing with recovering heat treatment of DISSECTED-SPECIMEN in vacuum environment
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氨合成塔管道的氢腐蚀分析
Hydrogen-Corrosion Analysis of Carbon Steel Tubes for Ammonia Synthetic Resin
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高温变换炉氢腐蚀原因分析及处理
Reasons for hydrogen corrosion of the high temperature shift reactor and the treatment
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304奥氏体钢的高温高压氢腐蚀
Corrosion hydrogen attack on austenitic steel 304 under high temperature and high pressure
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氢腐蚀对电站锅炉水冷壁管的危害及预防措施
Harm of Hydrogen Corrosion on Water Wall Tube in Station Boiler and its Prevention
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局部高壁温对氨合成塔氢腐蚀的探讨
On Local Superheat to the Hydrogen Corrosion of the Shell of Ammonia Synthesis Converter
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在磷化处理过程中因氢腐蚀导致零件开裂。
In the course of phosphorization , these parts cracked due to the hydrogen corrosion .
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氢腐蚀是促进疲劳裂纹形成和扩展的重要原因,加速了疲劳断裂过程;
The hydrogen corrosion is important reason of forming , expending fatigue crack and accelerating the fatigue split process .
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对胜利油田湿蒸汽发生器爆管原因的分析得知,爆管为氢腐蚀所致;
The reasons of the crack of tubes on the wet steam generator used in Shengli Oilfield are analyzed .
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为了解决该问题,传统的方法是在负极锌粉或锌膏中添加一定量的金属汞,汞与负极盖内壁的铜镀层反应生成汞齐,降低析氢腐蚀,抑制氢气的产生。
To solve this problem , the traditional method is to add a certain amount of metal mercury which can react with the copper coating in the anode lid to produce amalgam and lower hydrogen evolution corrosion , so as to restrain the production of hydrogen .
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在无水状态氯化氢没有腐蚀性。
It is noncorrosive in the anhydrous state .
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危险特性:无水氯化氢无腐蚀性,但遇水时有强腐蚀性。
Hazard characteristics : anhydrous hydrogen chloride is non-corrosive while it becomes intensely corrosive when meeting water .
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在整个过程中,材料表面的氧化膜和反应生成的氢在腐蚀过程中起到了重要的作用。
The surface oxide film and the hydrogen formed from the corrosion reaction played an important role .
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介绍了高温高压临氢设备腐蚀表面的现场修复方法。
The repair methods of the corrosion surface on the high temperature and high pressure equipment in situ were presented .
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高温下,铝阳极晶粒脱落和析氢自腐蚀更剧烈导致阳极电流效率下降。
At higher temperature , grains are falling and hydrogen evolution is aggravated so that the performance of aluminum anodes become less satisfactory .
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PTA装置加氢反应器腐蚀及其控制研究
Study on the corrosion and corrosion control of PTA hydro-genation reactor
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分析了PVC生产中钢制水夹套氯化氢合成炉腐蚀原因和腐蚀机理,确定了合成炉设计的壁温约束条件和设计对策。
This paper analyzes the cause and mechanism of corrosion in hydrogen chloride synthesizer with steel-made water jacket in PVC production and determines the restriction conditions and designing countermeasures for wall temperature in the synthesizer .
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催化重整装置预加氢系统的腐蚀与防护研究
Corrosion and protection of pre - hydrogenated systems in catalytic reformer unit
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润滑油加氢装置设备腐蚀分析及防护措施
Analysis on equipment corrosion and its protection for lube oil hydrogenated unit
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润滑油加氢装置的腐蚀影响及对策
Corrosion problem of lubricating oil hydrogenation plant and its solution
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催化重整和柴油加氢装置的腐蚀分析及其防腐措施
Corrosion analysis and anticorrosion measures for catalytic reforming and diesel hydrogenated units