Cu、Mo对水平连铸球铁型材组织与力学性能的影响

徐春杰; 张正扬; 孟令楠; 张忠明; 王锦程

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Cu、Mo对水平连铸球铁型材组织与力学性能的影响
Effects of Cu and Mo on Microstructure and Mechanical Properties of Horizontal Continuous Cast Ductile Iron Profiles
2011年31卷第5期页码：407-409
纸质出版日期： 2011 ，
DOI：

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[1]徐春杰,张正扬,孟令楠,张忠明,王锦程.Cu、Mo对水平连铸球铁型材组织与力学性能的影响[J].特种铸造及有色合金,2011,31(05):407-409+386.

Xu Chunjie1, Zhang Zhengyang1, Meng Lingnan2, et al. Effects of Cu and Mo on Microstructure and Mechanical Properties of Horizontal Continuous Cast Ductile Iron Profiles[J]. Special Casting & Nonferrous Alloys, 2011,31(5):407-409.
[1]徐春杰,张正扬,孟令楠,张忠明,王锦程.Cu、Mo对水平连铸球铁型材组织与力学性能的影响[J].特种铸造及有色合金,2011,31(05):407-409+386. DOI：

Xu Chunjie1, Zhang Zhengyang1, Meng Lingnan2, et al. Effects of Cu and Mo on Microstructure and Mechanical Properties of Horizontal Continuous Cast Ductile Iron Profiles[J]. Special Casting & Nonferrous Alloys, 2011,31(5):407-409. DOI：

摘要

在相同水平连铸条件下

采用合金化方法研究了不同Cu和Mo含量对60mm球铁型材的基体组织与力学性能的影响。结果表明

加入一定量的Cu和Mo元素

可以获得珠光体型球铁组织或奥氏体-贝氏体型球铁

在Mo含量不变时

获得铸态奥氏体-贝氏体基体组织主要是由Cu含量决定。加入Cu和Mo元素后

球铁型材的抗拉强度、屈服强度和硬度均得到较大提高

但冲击韧度明显下降。

Abstract

Effects of different Cu and Mo contents on microstructure and mechanical properties of horizontal continuous cast ductile iron profiles with 60 mm in diameters were investigated.The results reveal that

with adding Cu and Mo elements

cast ductile iron profiles with pearlite or astenite-bainite structure can be obtained.At a fixed Mo addition

austenite-bainite structure in the cast ductile iron profiles is controlled by Cu content.Tensile strength

yield strength and hardness of the alloy are greatly improved with Cu and Mo addition

however

impacting toughness is slightly decreased.

关键词

水平连铸球铁型材奥氏体-贝氏体

Keywords

Horizontal Continuous CastingCast Ductile Iron ProfilesAustenite-Bainite Structure

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