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Influence of RE Modification on the Hardness and Wear Resistance of High-Chromium Cast Iron Hammerhead
Author(s): 
Pages: 32-34,38
Year: Issue:  1
Journal: Journal of Anhui University of Technology(Natural Science)

Keyword:  高铬铸铁稀土变质剂显微组织硬度耐磨性;
Abstract: 探讨在相同试验条件下,稀土变质剂加人量对高铬铸铁锤头组织、硬度和耐磨性的影响.结果表明,加入稀土变质剂能细化组织,铸态锤头的碳化物由鱼骨状转变为块状,热处理态锤头的碳化物由条状转变为颗粒状.加人稀土变质剂能提高锤头的硬度和耐磨性,当加入量高于0.3%(质量分数)时硬度和耐磨性提高的程度减小.
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