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1Effect of austenitization temperature on microstructure and mechanical properties of low-carbon-equivalent carbidic austempered ductile iron显示文摘The wear resistances of austempered ductile iron(ADI) were improved through introduction of a new phase(carbide) into the matrix by addition of chromium. In the present investigation, low-carbon-equivalent ductile iron(LCEDI)(CE = 3.06%, and CE represents carbon-equivalent) with 2.42% chromium was selected. LCEDI was austenitized at two different temperatures(900 and 975°C) and soaked for 1 h and then quenched in a salt bath at 325°C for 0 to 10 h. Samples were analyzed using optical microscopy and X-ray diffraction. Wear tests were carried out on a pin-on-disk-type machine. The effect of austenization temperature on the wear resistance, impact strength, and the microstructure was evaluated. A structure–property correlation based on the observations is established.vinayak dakre d.r.peshwe s.u.pathak ajay likhite 2018International Journal of Minerals,Metallurgy and Materials2018,25,7:2
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