Compared with traditional techniques, in situ technique owe following advantages: it is very simple and material's properties are excellent, so it is easier to fabricate Fe matrix composites in technology and economic. Ceramic particle of in situ synthesis avoids pollution and wettability existing in casting technique, so it is valuable to fabricate Fe matrix composite with better properties. But at present, more attentions are fastened upon preparation progress and MMCs' mechanical properties. As the reaso...