Y effects on the Cu-Zr-Fe alloys' aging behavior and properties

被引：4

作者：

Guo, Mixue ^{[1
]}

Zhou, Meng ^{[1
]}

Zou, Jin ^{[2
]}

Jing, Ke ^{[1
]}

Hu, Haoyan ^{[1
]}

Zhang, Yi ^{[1
]}

Bai, Qian ^{[3
]}

Tian, Caijiao ^{[1
]}

Tian, Baohong ^{[1
]}

Li, Xu ^{[4
]}

Volinsky, Alex A. ^{[5
]}

机构：

[1] Henan Univ Sci & Technol, Prov & Ministerial Coconstruct Collaborat Innovat, Sch Mat Sci & Engn, Luoyang 471023, Peoples R China

[2] Jiangxi Acad Sci, Jiangxi Key Lab Adv Copper & Tungsten Mat, Nanchang 330096, Peoples R China

[3] Zhengzhou Univ, Med Res Ctr, Affiliated Hosp 2, Zhengzhou, Peoples R China

[4] Natl Inst Metrol, Ctr Adv Measurement Sci, Beijing 100029, Peoples R China

[5] Univ S Florida, Dept Mech Engn, 4202 E Fowler Ave,ENG 030, Tampa, FL 33620 USA

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2024年 / 977卷

基金：

中国博士后科学基金;

关键词：

Cu-Zr-Fe(-Y) alloy; Precipitated phases; Properties; Microstructure evolution; Recrystallization; ELECTRICAL-CONDUCTIVITY; MECHANICAL-PROPERTIES; HIGH-STRENGTH; HEAT-TREATMENT; SI ALLOY; MG ALLOY; MICROSTRUCTURE; PRECIPITATION; DEFORMATION; NI;

D O I：

10.1016/j.jallcom.2024.173418

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Cu-Zr-Fe(-Y) alloys were prepared by vacuum melting, and their microstructure, elemental distribution and mechanical properties were analyzed. The microstructure evolution, dislocation morphology and precipitated phase distribution due to aging were investigated by electron backscatter diffraction and transmission electron microscopy. The optimal process parameters for the Cu-Zr-Fe(-Y) alloy after solution treatment at 930 degrees C with 60% cold rolling are 450 degrees C aging for 120 min and 500 degrees C aging for 20 min, resulting in microhardness, electrical conductivity, and tensile strength of 60.9% IACS, 162.4 HV, 512.8 MPa and 54.8% IACS, 177.7 HV, 546.9 MPa, respectively. The addition of Y has a fine grain strengthening effect, resulting in an increase in hardness and strength by 9.4% and 6.6%, respectively. The precipitated Cu5Zr and gamma-Fe phases pinned the dislocations and played a significant role in the aging hardening of the alloy, being the main contributors to the strengthening effects.

引用

页数：18

共 55 条

[1] Precipitate strengthening of non-spherical precipitates extended in ⟨100⟩ or {100} direction in fcc crystals [J].