By analytical scanning electron microscope (ASEM) and X-Ray diffraction (XRD), it is shows that TiC phase structure of the coating containing 0.5% La_2O_3 is remarkably refined.

• 在较大载荷时，对耐磨性能的提高更明显。 运用扫描电子显微镜和X射线衍射仪对涂层表面形貌及化学组成进行了分析，结果表明：含0.；5%25La_2O_3的涂层晶粒明显细化且呈弥散分布，表面比较平整，较少孔洞和裂纹。