Microstructure of Steel 5Cr21Mn9Ni4N Alloyed by Rare Earth

Autor:	Shi-chang Yu, Yi-jun Cheng, Qiu-hua Zhu, Yuan-sheng Gong, You-jun Gong, Gang Ye, Ming-sheng Lian, Shen-qing Wu
Rok vydání:	2006
Předmět:	Mechanical property Dendrite (crystal) Materials science Mechanics of Materials Phase (matter) Rare earth Metallurgy Materials Chemistry Metals and Alloys Microstructure Mass fraction Order of magnitude Solid solution
Zdroj:	Journal of Iron and Steel Research International. 13:40-44
ISSN:	2210-3988 1006-706X
Popis:	The microstructure, composition and shape of precipitated phase under as-cast and finished product state of 5Cr21Mn9Ni4N steel with different rare earth (RE) amount were studied. Mechanical properties of 5Cr21Mn9Ni4N steels withont RE addition and with RE added by 0.2% in mass percent were tested respectively. The results indicate that the solid solution amount of RE is about 10 −6 – 10 −5 order of magnitude in 5Cr21Mn9Ni4N steel. Dendrite of as-cast condition is refined obviously and dimension of interstitial phase is shortened when RE is added by 0.10% — 0.20%. But the microstructure will be coarser if surplus RE is added. Precipitated phase under finished product state distributes evenly in nearly same size with RE added by 0.2% which leads to a largely improved high temperature mechanical property.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::140e6382b02584e5c3dc5ad71caafa0d https://doi.org/10.1016/s1006-706x(06)60042-3 Zobrazit plný text záznamu Full Text from ScienceDirect Full text from SpringerLink