碳和锰对湿磨衬板钢组织和性能的影响Influence of carbon and manganese on microstructure and properties of wet grinder's lining board
许淑珍;杜晓东;王义飞;汪瑞俊;王兰;
摘要(Abstract):
对湿磨衬板用加镍及加锰的低碳高合金钢的组织和力学性能及腐蚀条件下的冲击磨损性能进行研究。研究结果表明:对加镍低碳高合金钢,当碳含量由0.16%增至0.25%,合金组织由板条马氏体变为板条、隐晶马氏体与残余奥氏体的混合组织,在腐蚀条件下抗冲击磨损性能先升后降,以0.21%含碳量为最优;加锰的低碳高合金钢在湿式磨机衬板模拟工况环境下,抗冲击磨损性能略优于加镍低碳高合金钢,锰代镍具有可行性。通过分析冲击腐蚀磨损表面形貌、磨面表层及亚表层的状态变化,结果显示两种合金在腐蚀条件下冲击磨损机制接近,后期以疲劳剥层为主。
关键词(KeyWords): 低碳高合金钢;锰;冲击磨损;腐蚀;磨损量
基金项目(Foundation): 教育部博士点基金资助项目(20040359004);; 安徽省教育厅重点项目(KJ2007A068);; 安徽省十一五科技攻关重点项目(06012078B)
作者(Author): 许淑珍;杜晓东;王义飞;汪瑞俊;王兰;
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