Effect of cerium/lanthanum addition on microstructure and mechanical properties of Al7075 alloy via mechanical alloying and sintering

被引：17

作者：

Perez-Bustamante, R. ^{[1
]}

Reyna-Cruz, A. ^{[2
]}

Acosta-Pena, D. C. ^{[2
]}

Santillan-Rodriguez, C. R. ^{[1
]}

Matutes-Aquino, J. A. ^{[1
]}

Perez-Bustamante, F. ^{[3
]}

Maldonado-Orozco, M. C. ^{[2
]}

Aguilar-Santillan, J. ^{[4
]}

Martinez-Sanchez, R. ^{[1
]}

机构：

[1] Res Ctr Adv Mat CIMAV, Natl Lab Nanotechnol, Miguel de Cervantes 120, Chihuahua 31109, Chih, Mexico

[2] Autonomous Univ Chihuahua UACH, Fac Engn, Circuito 1 Nuevo Campus Univ, Chihuahua 31125, Chih, Mexico

[3] Autonomous Univ Chihuahua UACH, Fac Chem Sci, Circuito 1 Nuevo Campus Univ, Chihuahua 31125, Chih, Mexico

[4] Mat & Tools LLC, 4118 E Washington Ct, Gilbert, AZ 85234 USA

来源：

JOURNAL OF RARE EARTHS | 2016年 / 34卷 / 04期

关键词：

mechanical alloying; rare earths; aluminum; microstructure; sintering; MATRIX COMPOSITE POWDERS; A356; ALUMINUM-ALLOY; CE ADDITION; CERIUM; LANTHANUM;

D O I：

10.1016/S1002-0721(16)60043-1

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The effect of the Al-6Ce-3La (ACL) on the microstructural behavior of the Al7075 was investigated. Materials were synthesized by mechanical alloying with variation in the ACL content and milling time. Products were characterized and studied in the as-milled condition and mechanically evaluated after sintering. The synergetic effect of milling time and ACL content in the modified materials led to a reduction in the particle size. Results from electron microscopy showed a homogeneous dispersion of Ce/La phases up to 20 wt.% of ACL content after 10 h of milling. Mechanical evaluation under compressive test showed an improved performance for those alloys reinforced with 0.2 wt.% and 0.5 wt.% of ACL.

引用

页码：420 / 427

页数：8

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