论文部分内容阅读
在熔融硼砂中加入钒铁,使模具表面渗钒,形成钒的碳化物,会显著地提高模具表面的硬度,增加模具的耐磨性,同时还可以使模具具有抗蚀、抗咬合等特性。硼砂的熔点为740℃,而其分解温度高达1573℃,并且熔融硼砂具有溶解金属氧化物的能力,使工件表而洁净,有利于碳化物形成元素钒的吸附和扩散。因此,在熔融硼砂中加入钒铁,进行渗钒,以得到钒的碳化物的方法,具有设备简单,操作方便,无环境污染,盐浴
In the molten borax by adding vanadium iron, vanadium infiltration of the mold surface, the formation of vanadium carbide, will significantly increase the mold surface hardness and increase the wear resistance of the mold, but also can make the mold with anti-corrosion, anti-bite and other characteristics. The melting point of borax is 740 ℃, and its decomposition temperature is as high as 1573 ℃. The molten borax has the ability of dissolving metal oxides to clean the workpiece table, which is good for the adsorption and diffusion of vanadium, a carbide forming element. Therefore, vanadium iron is added into the molten borax to infiltrate the vanadium to obtain the vanadium carbide. The method has the advantages of simple equipment, convenient operation, no environmental pollution, salt bath