The regions of original WC particles are characterized by a great deal of larger original WC particles with angularities which are slightly changed and long oval carbides with Fe_3W_3 C layer.

  • 原始颗粒区组织中碳化物的特征是存在大量变化甚微的角状大尺寸原始WCp及具有明显反应层的长椭圆状WC颗粒,界面反应产物为Fe3W3C。

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