改性对锰铁黄铜CuZn40Mn3Fe组织和力学性能影响的研究

Metallurgy and Foundry Engineering Pub Date : 2017-01-01 DOI:10.7494/MAFE.2017.43.3.133

R. Romankiewicz, F. Romankiewicz

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摘要

采用不同添加量的钛和硼对锰铁黄铜CuZn40Mn3Fe进行改性的研究表明，不同添加量的钛和硼使黄铜组织(a相晶粒和析出相)破碎(细化)，使黄铜组织中a相析出相的数量增加。由于这种改性，黄铜的抗冲击性(从40 J/cm2到46-48 J/cm2)和抗拉强度(从400 MPa到509 MPa)得到了提高。

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RESEARCH ON INFLUENCE OF MODIFICATION ON STRUCTURE AND MECHANICAL PROPERTIES OF MANGANESE-IRON BRASS CuZn40Mn3Fe

Research on the modification of manganese-iron brass CuZn40Mn3Fe with the use of variable additions of titanium and boron have shown that these additives cause fragmentation (refinement) of the structures (grains and precipitates of phase a) and an increase in the amount of precipitations of phase a in the brass structure. As a result of this modification, growth in the brass impact resistance (from 40 J/cm2 to 46–48 J/cm2) and tensile strength (from 400 MPa to 509 MPa) are achieved.

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Metallurgy and Foundry Engineering

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