Lub Cev Thiab Khoom Siv Tshuaj Ntawm Chromium Carbide

Chromium Carbide yog qhov sib xyaw ua ke nrog cov tshuaj molecular Cr3C2 thiab qhov hnyav molecular ntawm 180.01.

Grey hmoov, rhombic crystal system, A=2.821, B=5.52, C=11.46. Melting point yog 1890 ℃, kub taw tes yog 3800 ℃. Lub microvickers hardness (load 50 g) yog 2700kg / RNRN², thiab lub tshav kub ntawm qhov ua kom dav yog 10.3 × 10^-6/K.

Chromium carbide (Cr3C2) yog hmoov txho nrog cov kab ntawv ci. Rhombic siv zog; Qhov ntom ntom li 6.68g / cm³Cov. Melting point ntawm 1890 ℃, kub taw tes ntawm 3800 ℃; Nws muaj zoo hnav tsis kam, corrosion kuj thiab oxidation tsis kam nyob rau hauv ib puag ncig kub (1000 ~ 1100 ℃). Nws yog hom rau ntawm hom hlau ceramic.