Effect of boronising on erosion corrosion of mild steel

被引:0
|
作者
Aracic, S
Esih, I
Krumes, D
机构
[1] Fac Mech Engn, HR-35000 Slavonski Brod, Croatia
[2] Fac Mech Engn & Naval Architecture, HR-10000 Zagreb, Croatia
关键词
boronising; mild steel; corrosion; erosion; synergy;
D O I
暂无
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The influence of boronising on erosion corrosion of mild steel ih NaCl/SiO2-suspension has been investigated. Boronising was performed in a solid mixture for 6 hours at 900 degrees C. Untreated (normalised) and boronised specimens were exposed under dynamic conditions to corrosion in an acidified NaCl-solution, to erosion in a hydrocarbon condensate from natural gas with suspended quartz sand, and to erosion corrosion in the mentioned NaCl-solution with suspended quartz sand. Following testing techniques were applied: gravimetry, cyclic polarisation, microhardness measurements, and structural analysis by optical micrography as well as by X-ray diffraction. Considerable improvement of behaviour under corrosive and erosive-corrosive circumstances has been established for boronised specimens. At the same time, synergetic effect between erosion and corrosion has been observed on specimens of both types.
引用
收藏
页码:207 / 211
页数:5
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