Effect of temperature on CO2 corrosion scales of tubular steels

被引：0
|
作者：
Li, Quan-An [1 ]
Zhang, Qing [1 ]
Wen, Jiu-Ba [1 ]
Bai, Zhen-Quan [2 ]
Lin, Guan-Fa [3 ]
机构：
[1] Sch. of Mat. Sci. and Eng., Henan Univ. of Sci. and Technol., Luoyang 471003, China
[2] Tubular Goods Res. Ctr., CNPC, Xi'an 710065, China
[3] Sch. of Mat. Sci. and Eng., Xi'an Jiaotong Univ., Xi'an 710049, China
来源：
Cailiao Rechuli Xuebao/Transactions of Materials and Heat Treatment | 2004年 / 25卷 / 01期
关键词：
Autoclaves - Carbon dioxide - Films - Grain size and shape - Temperature;
D O I：
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中图分类号：
学科分类号：
摘要：
An autoclave is employed to study CO2 corrosion of three kinds of tubular steels N80, P110 and J55. The effect of temperature on scale thickness and grain size of the surface is studied by using Scanning Electron Microscope (SEM). The results show the similar relationship between the corrosion scale thickness and temperature for the tested steels. The maximum thickness of the corrosion scale appears at 120°C, but the minimum values appears at different temperature for the tested steels. The curves of grain size versus the temperature exhibit a peak and a valley. The peaks appear at 120°C, but the valleys appear at different temperature.
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页码：79 / 81
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