Modified austenitic stainless steel having good high-temperature creep resistance performance and preparation method therefor

A modified austenitic stainless steel having a good high-temperature creep resistance performance and a preparation method therefor. Said modified steel comprises a steel substrate and a percolation layer, the percolation layer comprising, from inside to outside, a 40-80μm of Fe-phase diffusion laye...

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Bibliographische Detailangaben
Hauptverfasser:	HE, Jianjun, LI, Chuanchang, CHEN, Jianlin, QIU, Wei, PENG, Zhuoyin, REN, Yanjie, LI, Wei, CHEN, Jian, XU, Dongliang
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	A modified austenitic stainless steel having a good high-temperature creep resistance performance and a preparation method therefor. Said modified steel comprises a steel substrate and a percolation layer, the percolation layer comprising, from inside to outside, a 40-80μm of Fe-phase diffusion layer containing Al, a 50-100μm of Fe-Al compound layer, and a 10-20μm of Al