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在高明尔斯基工厂,为了提高BK8及T15K6可转位硬质合金刀片(相当于国产牌号YG8、YT15——译者注)的寿命,进行了铬化物表面扩散强化处理。其粉末混合物为29％Al_2O_3、49％Cr_2O_3、21％Al以及1％NH_4Cl。
At the Kumlszki plant, chrome surface diffusion strengthening was performed to increase the life of the BK8 and T15K6 indexable cemented carbide inserts (equivalent to domestic brands YG8 and YT15). The powder mixture was 29% Al 2 O 3, 49% Cr 2 O 3, 21% Al and 1% NH 4 Cl.