期刊
APPLIED CRYSTALLOGRAPHY XXII
卷 203-204, 期 -, 页码 204-+出版社
TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/SSP.203-204.204
关键词
crystallite sizes; X10CrMoVNb9-1 steel; oxide layers
The paper presents results of studies on the phase composition, crystallite sizes and lattice deformations of oxide layers formed during a long-term operation on X10CrMoVNb9-1 steel. Test specimens were taken from a live steam pipeline operated at 535 degrees C for 70,000 hours. Xray studies were carried out on the tube outside surface (on the flue gas side), then the layer's surface was polished and the diffraction measurements repeated to reveal differences in the originated oxides layer. X-ray phase analysis was performed using a SEIFFERT 3003 T/T X-ray diffractometer, with a cobalt tube of lambda(Co) = 0.17902nm wavelength.
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