Influences of RE-Ti Composite Modification on the Structure and Properties of W6Mo5Cr4V2 Alloy

Xi Lan Feng; Zhi Qiang Jiang; Zhong Yan Hu

doi:10.4028/www.scientific.net/AMR.33-37.455

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Influences of RE-Ti Composite Modification on the Structure and Properties of W6Mo5Cr4V2 Alloy
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Influences of RE-Ti Composite Modification on the Structure and Properties of W6Mo5Cr4V2 Alloy

Abstract:

The structural change and properties of W6Mo5Cr4V2 alloy (M2 steel) inoculated by addition of rare earth (RE)-Ti were investigated. The results indicated that the impact toughness and fracture toughness were increased distinctly due to network eutectic carbides elimination, matrix structure refinement, and well-distribution of eutectic carbides. The hardness of modified M2 steel hardly changed. In addition, the high temperature wear resistance was improved.