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1)  pitting attack damage
点蚀损伤
1.
By the examination of metallographic microstructure and the hardness analysis of failure gear after used, the main reason that the pitting attack damage appears on the surface of gear was found.
通过对使用后失效齿轮的金相组织检验及硬度分析,找出齿轮表面产生点蚀损伤的主要原因,并提出了相应的改进措施。
2)  point corrosion damage
点腐蚀损伤
3)  Corrosion damage
腐蚀损伤
1.
Research of corrosion damage of aluminum alloy based on the fractal theory
基于分形理论的铝合金腐蚀损伤研究
2.
It is concluded from the analysis of temperature distribution and mechanism perfonnance of the tubes of direct fired heaters on long-distance pipelines that the heater tubes are mainly subject to corrosion damage in the temperature below 300 oC and to creep damage in the temperature above 300 oC.
通过对长输原油管道直接式加热炉炉管温度分布和力学性能的测试分析,认为加热炉炉管 300℃以下只有腐蚀损伤,温度高于350℃时,炉管主要是蠕变损伤。
3.
In this paper,a general review on corrosion damages of the alloys and the relevant mechanisms were given.
收集、整理和分析了Al-Cu -Mg系列铝合金常见的腐蚀损伤和腐蚀原因 ,并介绍了相应的防腐措施 。
4)  corroded damage
锈蚀损伤
5)  erosion damage
冲蚀损伤
1.
This article briefly introduces the mechanisms and harmfulness of erosion damage on the blades based on the investigations of their operation conditions.
该文在深入调查大机组末级长叶片运行情况的基础上 ,简要介绍了末级长叶片冲蚀损伤的机理及其严重危害性 ,着重指出近几年随着新出现的大机组长期带低负荷参与调峰运行 ,相当普遍地发生了末级长叶片出汽侧的冲蚀损伤 ;在北方地区某些机组上叶片进汽侧也发生大范围 (在叶顶防蚀区以下 )的冲蚀损伤。
6)  etching damage
刻蚀损伤
1.
The advantage of SiO2 deposited by PECVD was reviewed and the influence of selection and ratio of the reaction gases on controlling of lateral etching was analyzed,and the etching damage was preliminarily analyzed as well.
主要研究了GaAlAs/GaAs多层结构波导的ICP(inductively coupled plasma)刻蚀,评述了使用PECVD制作的Si O2做掩膜的优点,分析了气体选择比对侧向钻蚀控制的影响,并初步分析了刻蚀损伤。
补充资料:点蚀系数
分子式:
CAS号:

性质:腐蚀挂片上发生点蚀的最大深度与按重量损失计算出的平均腐蚀深度之比值。

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