赵兴明,刘学红,闫光立,赵连志,班朝磊,王政钦

• 1:山东天物成型科技有限公司
• 2:山东天工岩土工程设备有限公司
• 3:聊城大学材料科学与工程学院

摘要(Abstract)：

为了提高盾构机滚刀刀圈的耐磨寿命，将WC颗粒通过铸造方法加入到H13钢中，并采用光学显微镜、扫描电镜、硬度计、冲击试验和磨损试验等研究了不同WC颗粒加入量对H13钢组织和性能的影响。结果表明：随着WC颗粒加入量的增多，H13钢中碳化物的数量和硬度均逐渐升高。在加入量为1 mass%时，H13钢的综合力学性能最优。扫描电镜分析结果显示，WC颗粒加入H13钢后发生了重熔，并在基体中形成了含W的M_6C型碳化物。装机试验证明，WC颗粒增强盾构机滚刀刀圈使用寿命明显高于普通H13钢滚刀刀圈。

关键词(KeyWords)： WC颗粒增强;滚刀刀圈;组织;性能

Abstract:

Keywords:

基金项目(Foundation): 聊城大学大学生创新创业基金项目(cxcy2021258)

作者(Author): 赵兴明,刘学红,闫光立,赵连志,班朝磊,王政钦

DOI: 10.13289/j.issn.1009-6264.2022-0013

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