Materials 2011, 4(4), 782-790; doi:10.3390/ma4040782
Article

Open-Cellular Co-Base and Ni-Base Superalloys Fabricated by Electron Beam Melting

Lawrence Murr 1,2,* email, Shujun Li 3 email, Yuxing Tian 3 , Krista Amato 1,2 email, Edwin Martinez 1,2 email and Frank Medina 2 email
1 Department of Metallurgical and Materials Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA 2 W. M. Keck Center for 3D Innovation, The University of Texas at El Paso, El Paso, TX 79968, USA 3 Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning 11016, China
* Author to whom correspondence should be addressed.
Received: 17 March 2011; in revised form: 30 March 2011 / Accepted: 6 April 2011 / Published: 14 April 2011
(This article belongs to the Special Issue Aerospace Materials)
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Abstract: Reticulated mesh samples of Co-29Cr-6Mo alloy and Ni-21Cr-9Mo-4Nb alloy (625) and stochastic foam samples of Co-29Cr-6Mo alloy fabricated by electron beam melting were characterized by optical metallography, and the dynamic stiffness (Young’s modulus) was measured by resonant frequency analysis. The relative stiffness (E/Es) versus relative density (ρ/ρs) plotted on a log-log basis resulted in a fitted straight line with a slope n ≅ 2, consistent with that for ideal open cellular materials.
Keywords: superalloys; mesh and foam structures; dynamic stiffness; electron beam melting; microstructures

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MDPI and ACS Style

Murr, L.; Li, S.; Tian, Y.; Amato, K.; Martinez, E.; Medina, F. Open-Cellular Co-Base and Ni-Base Superalloys Fabricated by Electron Beam Melting. Materials 2011, 4, 782-790.

AMA Style

Murr L, Li S, Tian Y, Amato K, Martinez E, Medina F. Open-Cellular Co-Base and Ni-Base Superalloys Fabricated by Electron Beam Melting. Materials. 2011; 4(4):782-790.

Chicago/Turabian Style

Murr, Lawrence; Li, Shujun; Tian, Yuxing; Amato, Krista; Martinez, Edwin; Medina, Frank. 2011. "Open-Cellular Co-Base and Ni-Base Superalloys Fabricated by Electron Beam Melting." Materials 4, no. 4: 782-790.

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