Quantifying the effects of Sn on θ′-Al2Cu precipitation kinetics in Al-Cu alloys

被引：5

作者：

Zhang, Mingshan ^{[1
]}

Wang, Junsheng ^{[1
,2
]}

Wang, Bing ^{[1
]}

Xue, Chengpeng ^{[1
]}

Qian, Feng ^{[1
]}

Liu, Xiaoguang ^{[3
]}

Guan, Shaokang ^{[4
]}

机构：

[1] Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China

[2] Beijing Inst Technol, Adv Res Inst Multidisciplinary Sci, Beijing 100081, Peoples R China

[3] Univ Sci & Technol Beijing USTB, Sch Mat Sci & Engn, Beijing, Peoples R China

[4] Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou, Peoples R China

来源：

MATERIALS SCIENCE AND TECHNOLOGY | 2021年 / 37卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Al-Cu cast alloys; trace element; microstructure; precipitation kinetics; mechanical property; STRENGTHENING MECHANISMS; INTERMETALLIC PHASES; ALUMINUM-ALLOYS; ZONE FORMATION; HEAT-TREATMENT; MICROSTRUCTURE; SOLIDIFICATION; DISSOLUTION; NUCLEATION; ADDITIONS;

D O I：

10.1080/02670836.2021.1972268

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, the effects of 0.14 wt-% Sn on accelerating the precipitation kinetics during heat treatment are quantified. By calculating the activation energy of theta ' phase, it was found that the combined additions of Cu and Sn can reduce the energy barrier and increase the number density of the theta ' phase in the peak aged state, and thus improving yield strength and ultimate tensile strength from 239 and 318 to 445 and 457 MPa, respectively. Based on the quantitative analysis of the theta ' phase, it was found that with the combined additions of Cu and Sn, the average length of the theta ' phase increased from 18.11 to 25.82 nm, and the number density increased from 2.17 x 10(21) to 4.62 x 10(21) m(-3).

引用

页码：979 / 992

页数：14

共 50 条

[41] The orientation relationships and interfaces of θ-Al2Cu/Cu and γ2-Al4Cu9/Cu and the formation sequence of θ-Al2Cu and γ2-Al4Cu9 at the Cu/Al interface
Wang, Kuang-Kuo
THIN SOLID FILMS, 2021, 717
[42] Electron diffraction characterization of a new metastable Al2Cu phase in an Al-Cu friction stir weld
Ji, Gang
Morniroli, Jean-Paul
JOURNAL OF APPLIED CRYSTALLOGRAPHY, 2013, 46 : 430 - 442
[43] On the Interactions Between γ–Al2O3 Nanoparticles and Primary or Eutectic Al2Cu in Hypereutectic Al-Cu Alloy
Hu, Jingyi
Liu, Jingbin
Yang, Yang
Wei, Zuoshan
Li, Mengyu
Liu, Guiliang
Gao, Tong
Liu, Shushuai
Liu, Xiangfa
JOM, 2024,
[44] Contact angles and spreading kinetics of Al and Al-Cu alloys sintered AlN
Prin, GR
Baffie, T
Jeymond, M
Eustathopoulos, N
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2001, 298 (1-2): : 34 - 43
[45] Contact angles and spreading kinetics of Al and Al-Cu alloys on sintered AlN
Rosazza Prin, G
Baffie, T
Jeymond, M
Eustathopoulos, N.
2001, Elsevier Ltd (298) : 1 - 2
[46] The roles of Al2Cu and of dendritic refinement on surface corrosion resistance of hypoeutectic Al-Cu alloys immersed in H2SO4
Osorio, Wislei R.
Spinelli, Jose E.
Freire, Celia M. A.
Cardona, Margarita B.
Garcia, Amauri
JOURNAL OF ALLOYS AND COMPOUNDS, 2007, 443 (1-2) : 87 - 93
[47] Contact angles and spreading kinetics of Al and Al-Cu alloys on sintered AlN
Rosazza Prin, G.
Baffie, T.
Jeymond, M.
Eustathopoulos, Nikos
Materials Science and Engineering: A, 2001, 298 (1-2) : 34 - 43
[48] Reliability Enhancement of Thick Al-Cu Wire Bonds in IGBT Modules Using Al2Cu Precipitates
Kurosu, Toshiki
Khoo, Khyoupin
Nakamura, Yoshihide
Ozaki, Keisuke
Ishikawa, Nobuhiro
Onuki, Jin
MATERIALS TRANSACTIONS, 2012, 53 (02) : 453 - 456
[49] The roles of Al2Cu and of dendritic refinement on surface corrosion resistance of hypoeutectic Al-Cu alloys immersed in H2SO4
Osório, Wislei R.
Spinelli, José E.
Freire, Célia M.A.
Cardona, Margarita B.
Garcia, Amauri
Journal of Alloys and Compounds, 2007, 443 (1-2): : 87 - 93
[50] Assessment of atomic mobilities of Al and Cu in fcc Al-Cu alloys
Liu, Dandan
Zhang, Lijun
Du, Yong
Xu, Honghui
Liu, Shuhong
Liu, Libin
CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY, 2009, 33 (04): : 761 - 768

← 1 2 3 4 5 →