Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
In situ production of vanadium carbide particulates reinforced iron matrix surface composite by cast-sintering
AbstractUsing a new cast-sintering technique, an iron-base surface composite reinforced by vanadium carbide (VC) particles which were produced in situ and consisting of chromium carbides was sintered on the surface of a cast steel during casting. The structure and the composition of the surface composite were studied with the help of a SEM, an electron probe and XRD. From the outside in of the surface composite, the concentration of V was relatively stable and consistently retained a high level, while the concentration of Cr and Ni took on a gradient distribution and decreased gradually. The fine particles of VC measuring between 1μm and 3μm in diameter were uniformly dispersed in a martensite matrix, and there was a perfect metallurgy-bond between the surface composite layer and the master-alloy. Under the condition of dry slipping with a heavy load, the VC–Fe surface composite offers virtually a unique wear-resistance.
In situ production of vanadium carbide particulates reinforced iron matrix surface composite by cast-sintering
AbstractUsing a new cast-sintering technique, an iron-base surface composite reinforced by vanadium carbide (VC) particles which were produced in situ and consisting of chromium carbides was sintered on the surface of a cast steel during casting. The structure and the composition of the surface composite were studied with the help of a SEM, an electron probe and XRD. From the outside in of the surface composite, the concentration of V was relatively stable and consistently retained a high level, while the concentration of Cr and Ni took on a gradient distribution and decreased gradually. The fine particles of VC measuring between 1μm and 3μm in diameter were uniformly dispersed in a martensite matrix, and there was a perfect metallurgy-bond between the surface composite layer and the master-alloy. Under the condition of dry slipping with a heavy load, the VC–Fe surface composite offers virtually a unique wear-resistance.
In situ production of vanadium carbide particulates reinforced iron matrix surface composite by cast-sintering
Wang, Yisan (Autor:in) / Ding, Yichao (Autor:in) / Wang, Jing (Autor:in) / Cheng, Fengjun (Autor:in) / Shi, Jianguo (Autor:in)
03.07.2006
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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