1) Pitting
点蚀破坏
2) pitting corrosion
点蚀
1.
Analysis on the plastic limit load of gas pipe elbows with pitting corrosion;
含点蚀缺陷燃气管道弯管的塑性极限载荷分析
2.
Recognition and quantitative analysis of pitting corrosion defect of underwater structures;
水下结构物点蚀缺陷的识别与定量分析
3.
Experiment study of monitoring pitting corrosion of low carbon steel with acoustic emission technology;
低碳钢点蚀过程声发射监测实验
3) pitting
点蚀
1.
Effects of electrode pitting morphology on resistance spot welding of aluminum alloy;
电极点蚀形貌对铝合金电阻点焊的影响
2.
Law and feature of pitting caused by inclusion in carbon steel;
碳钢中夹杂物诱发点蚀的规律和特性研究
3.
Study of pitting sensitivity of low-alloy hull steel;
低合金船体钢点蚀敏感性的研究
4) pit corrosion
点蚀
1.
The tests reveal that the corrosion damage is caused by the pit corrosion of chlorine ions.
试验证明,腐蚀破坏是氟离子的点蚀造成的,并指出对不锈钢作阳极氧化处理后耐蚀性增强,并建议使用含钼较高的1Cr18Ni9TiMo不锈钢作搅拌桨。
2.
The detailed analysis of contusion failure of FCC main fractionator overhead recycle oil heat exchanger tubes,concludes that the corrosion of external wall of heat exchanger is mainly the comprehensive corrosion of H_2S-HCl-NH_3-H_2O while the internal corrosion is main- ly the pit corrosion by chlorine ion and oxygen depolarization.
文章对催化裂化装置分馏塔顶循环油换热器管束腐蚀穿孔原因进行了详细分析,指出换热器管外壁的腐蚀主要是H_2S-HCl-NH-3-H_2O型的全面腐蚀,管内壁主要是氯离子及氧的去极化引起的点蚀。
3.
Stress corrosion cracking and pit corrosion of steam generators in Tianwan Nuclear Power Plant is described,The cause of corrosion is preservation method which is not correct during transportation and installation,measurement and suggestions for safe operation of steam generator is proposed.
田湾核电站蒸汽发生器在冷态和热态调试结束后发生了穿晶型应力腐蚀裂纹及点蚀,其腐蚀原因可能为运输及安装期间保养措施不当。
5) point corrosion
点蚀
1.
Analysis and deal with gear s point corrosion of 4m winder gearbox;
对4m绞车减速器齿轮点蚀问题的分析和处理
2.
The existance of the dead area in the preheater created by over saturated water, and over high of partial concentration of chloric ion lead to leaking and point corrosion.
分析了环氧乙烷装置二氧化碳吸收塔进料预热器管束泄漏及出口管线弯头开裂的原因,指出工艺气体在预热器内经过水饱和后,由于预热器内死区的存在,氯离子局部浓度过高,最终导致管束(母材为304 SS)发生点蚀泄漏;管线弯头(母材为304 LSS)的开裂则源于工艺气体中水的过饱和以及应力的共同作用,发生了氯离子应力腐蚀开裂。
6) Corrosive pitting
点蚀
1.
The analysis of corrosive pitting about the points-line meshing gear;
点线啮合齿轮点蚀的失效分析
2.
Setting off from the lubricating principle and gear itself,the causes of gear corrosive pitting in axial-flow fan and the influence of lube on gear corrosive pitting are analyzed.
从润滑原理和齿轮自身特点出发,分析了轴流风机齿轮发生点蚀的原因和润滑油对齿轮点蚀的影响,结合现用润滑油品的使用效果,得出润滑油粘度选用不当对风机齿轮形成点蚀有加速作用的结论,据此结论提出风机齿轮润滑油品选用建议。
参考词条
补充资料：破坏点
分子式：
CAS号：
性质：在应力-应变曲线上表明试样即将破断的那一点。因为不同的材料其应力-应变曲线的不同，该点可能是曲线的最高点，也可能是越过最高点以后的某一处。不管是何种情况，它总是该曲线的终点。应该指出，由于绘制曲线时的应力是所加负荷除以试样原始横截面积，所以拉伸试验中有颈缩现象的试样，其破坏点所标示的应力值是远小于实际的当地应力。
CAS号：
性质：在应力-应变曲线上表明试样即将破断的那一点。因为不同的材料其应力-应变曲线的不同，该点可能是曲线的最高点，也可能是越过最高点以后的某一处。不管是何种情况，它总是该曲线的终点。应该指出，由于绘制曲线时的应力是所加负荷除以试样原始横截面积，所以拉伸试验中有颈缩现象的试样，其破坏点所标示的应力值是远小于实际的当地应力。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。