Innovative fabrication of Ti–48Al–6Nb porous coating by cold gas spraying and reactive sintering
作者： Fan Yang , Junpin Lin , Yuehui He , Hao Du , Guoliang Chen
DOI: 10.1016/J.MATLET.2012.02.065
关键词:
摘要: A Ti-48Al-6Nb porous microfiltration coating was fabricated by cold gas spraying (CGS) followed reactive sintering. The possesses a porosity of 20.0% and interconnected pore structure. skeletons in the were consisted typical gamma-TiAl/alpha(2)-Ti3Al fully lamellar microstructure, firmly bonded with substrate. Uniform pores range 0.5-3 mu m formed, attributing to diffusion reactions growth during sintering process. bending strength permeability supported thickness 604.4 m, are 89.33 MPa 5.39 x 10(-13) m(2), respectively. has high sufficient for applications kinds extreme environments. (C) 2012 Elsevier B.V. All rights reserved.
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Yuehui He, Yao Jiang, Nanping Xu, Jin Zou, Baiyun Huang, Chain T Liu, Peter K Liaw, Fabrication of Ti–Al Micro/ Nanometer‐Sized Porous Alloys through the Kirkendall Effect Advanced Materials. ,vol. 19, pp. 2102- 2106 ,(2007) , 10.1002/ADMA.200602398
Takahiro Tomita, Shinji Kawasaki, Kiyoshi Okada, Effect of Viscosity on Preparation of Foamed Silica Ceramics by a Rapid Gelation Foaming Method Journal of Porous Materials. ,vol. 12, pp. 123- 129 ,(2005) , 10.1007/S10934-005-6769-8
P. Narong, A.E. James, Effect of the ζ-potential on the micro/ultra-filtration of yeast suspensions using ceramic membranes Separation and Purification Technology. ,vol. 49, pp. 149- 156 ,(2006) , 10.1016/J.SEPPUR.2005.09.008
Y.H. Wang, J.P. Lin, Y.H. He, C.K. Zu, G.L. Chen, Pore structures and thermal insulating properties of high Nb containing TiAl porous alloys Journal of Alloys and Compounds. ,vol. 492, pp. 213- 218 ,(2010) , 10.1016/J.JALLCOM.2009.12.005
H NAKAJIMA, Fabrication, properties and application of porous metals with directional pores Progress in Materials Science. ,vol. 52, pp. 1091- 1173 ,(2007) , 10.1016/J.PMATSCI.2006.09.001
Jifeng Sun, Yong Han, Kai Cui, Innovative fabrication of porous titanium coating on titanium by cold spraying and vacuum sintering Materials Letters. ,vol. 62, pp. 3623- 3625 ,(2008) , 10.1016/J.MATLET.2008.04.011
W.J. Zhang, S.C. Deevi, G.L. Chen, On the origin of superior high strength of Ti–45Al–10Nb alloys Intermetallics. ,vol. 10, pp. 403- 406 ,(2002) , 10.1016/S0966-9795(02)00008-0
Michael J. Aziz, THERMODYNAMICS OF DIFFUSION UNDER PRESSURE AND STRESS : RELATION TO POINT DEFECT MECHANISMS Applied Physics Letters. ,vol. 70, pp. 2810- 2812 ,(1997) , 10.1063/1.119066
Y.H. Wang, J.P. Lin, Y.H. He, Y.L. Wang, G.L. Chen, Effect of Nb on pore structure and tensile property of Ti–48Al cellular alloy Journal of Alloys and Compounds. ,vol. 456, pp. 297- 303 ,(2008) , 10.1016/J.JALLCOM.2007.02.077
Toshihiro Isobe, Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada, Yuji Hotta, Gas permeability and mechanical properties of porous alumina ceramics with unidirectionally aligned pores Journal of the European Ceramic Society. ,vol. 27, pp. 53- 59 ,(2007) , 10.1016/J.JEURCERAMSOC.2006.02.030