Compression deformation behavior of Ti-6A1-4V alloy with cellular structures fabricated by electron beam melting

被引：259

作者：

Cheng, X. Y. ^{[1
]}

Li, S. J. ^{[1
]}

Murr, L. E. ^{[2
,3
]}

Zhang, Z. B. ^{[1
]}

Hao, Y. L. ^{[1
]}

Yang, R. ^{[1
]}

Medina, F. ^{[3
]}

Wicker, R. B. ^{[3
]}

机构：

[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China

[2] Univ Texas El Paso, Dept Met & Mat Engn, El Paso, TX 79968 USA

[3] Univ Texas El Paso, WM Keck Ctr Innovat 3D, El Paso, TX 79968 USA

来源：

JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS | 2012年 / 16卷

关键词：

Electron beam melting; Titanium alloys; Stochastic foam; Reticulated mesh; Compressive deformation behavior; MECHANICAL-PROPERTIES; BIOMEDICAL APPLICATIONS; TITANIUM FOAMS; BONE INGROWTH; MESH ARRAYS; IMPLANTS; MICROSTRUCTURE; COMPONENTS; STRENGTH;

D O I：

10.1016/j.jmbbm.2012.10.005

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Ti-6A1-4V alloy with two kinds of open cellular structures of stochastic foam and reticulated mesh was fabricated by additive manufacturing (AM) using electron beam melting (EBM), and microstructure and mechanical properties of these samples with high porosity in the range of 62%similar to 92% were investigated. Optical observations found that the cell struts and ligaments consist of primary alpha' martensite. These cellular structures have comparable compressive strength (4 similar to 113 MPa) and elastic modulus (0.2 similar to 6.3 GPa) to those of trabecular and cortical bone. The regular mesh structures exhibit higher specific strength than other reported metallic foams under the condition of identical specific stiffness. During the compression, these EBM samples have a brittle response and undergo catastrophic failure after forming crush band at their peak loading. These bands have identical angle of similar to 45 degrees with compression axis for the regular reticulated meshes and such failure phenomenon was explained by considering the cell structure. Relative strength and density follow a linear relation as described by the well-known Gibson-Ashby model but its exponential factor is similar to 2.2, which is relative higher than the idea value of 1.5 derived from the model. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：153 / 162

页数：10

共 29 条

[11] Cellular titanium by selective electron beam melting [J].

Heinl, Peter ;

Rottmair, Andreas ;

Koerner, Carolin ;

Singer, Robert F. .

ADVANCED ENGINEERING MATERIALS, 2007, 9 (05) :360-364

[12] Bone ingrowth in porous titanium implants produced by 3D fiber deposition [J].

Li, Jia Ping ;

Habibovic, Pamela ;

van den Doel, Mirella ;

Wilson, Clayton E. ;

de Wijn, Joost R. ;

van Blitterswijk, Clemens A. ;

de Groot, Klaas .

BIOMATERIALS, 2007, 28 (18) :2810-2820

[13] Compression fatigue behavior of Ti-6Al-4V mesh arrays fabricated by electron beam melting [J].

Li, S. J. ;

Murr, L. E. ;

Cheng, X. Y. ;

Zhang, Z. B. ;

Hao, Y. L. ;

Yang, R. ;

Medina, F. ;

Wicker, R. B. .

ACTA MATERIALIA, 2012, 60 (03) :793-802

[14] Fabrication and characterization of porous Ti6Al4V parts for biomedical applications using electron beam melting process [J].

Li, Xiang ;

Wang, Chengtao ;

Zhang, Wenguang ;

Li, Yuanchao .

MATERIALS LETTERS, 2009, 63 (3-4) :403-405

[15] Microstructure and mechanical properties of open-cellular biomaterials prototypes for total knee replacement implants fabricated by electron beam melting [J].

Murr, L. E. ;

Amato, K. N. ;

Li, S. J. ;

Tian, Y. X. ;

Cheng, X. Y. ;

Gaytan, S. M. ;

Martinez, E. ;

Shindo, P. W. ;

Medina, F. ;

Wicker, R. B. .

JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS, 2011, 4 (07) :1396-1411

[16] Next-generation biomedical implants using additive manufacturing of complex, cellular and functional mesh arrays [J].

Murr, L. E. ;

Gaytan, S. M. ;

Medina, F. ;

Lopez, H. ;

Martinez, E. ;

Machado, B. I. ;

Hernandez, D. H. ;

Martinez, L. ;

Lopez, M. I. ;

Wicker, R. B. ;

Bracke, J. .

PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 2010, 368 (1917) :1999-2032

[17] Characterization of Ti-6Al-4V open cellular foams fabricated by additive manufacturing using electron beam melting [J].

Murr, L. E. ;

Gaytan, S. M. ;

Medina, F. ;

Martinez, E. ;

Martinez, J. L. ;

Hernandez, D. H. ;

Machado, B. I. ;

Ramirez, D. A. ;

Wicker, R. B. .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2010, 527 (7-8) :1861-1868

[18] Microstructure evolution associated with adiabatic shear bands and shear band failure in ballistic plug formation in Ti-6Al-4V targets [J].

Murr, L. E. ;

Ramirez, A. C. ;

Gaytan, S. M. ;

Lopez, M. I. ;

Martinez, E. Y. ;

Hernandez, D. H. ;

Martinez, E. .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2009, 516 (1-2) :205-216

[19] Recent metallic materials for biomedical applications [J].

Niinomi, M .

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2002, 33 (03) :477-486

[20] Mechanical properties of porous titanium compacts prepared by powder sintering [J].

Oh, IH ;

Nomura, N ;

Masahashi, N ;

Hanada, S .

SCRIPTA MATERIALIA, 2003, 49 (12) :1197-1202

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