Epitaxial deposition of MCrAlY coatings on a Ni-base superalloy by laser cladding

被引：125
作者：
Bezençon, C
Schnell, A
Kurz, W
机构：
[1] Swiss Fed Inst Technol, Inst Mat, CTML, CH-1015 Lausanne, Switzerland
[2] Alstom Power Technol, CH-5401 Baden, Switzerland
来源：
SCRIPTA MATERIALIA | 2003年 / 49卷 / 07期
关键词：
laser deposition; single crystal growth; nickel alloys; epitaxy;
D O I：
10.1016/S1359-6462(03)00369-5
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Single-crystal oxidation resistant coatings (MCrAlY alloys) have been deposited onto a single-crystal Ni-base superalloy by laser cladding. The influence of the primary solidification phase (gamma-Ni, gamma'-Ni3Al or beta-NiAl) on epitaxial or non-epitaxial growth is analysed. It is shown that epitaxial growth is only obtained when the primary phase to solidify is gamma. (C) 2003 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：705 / 709
页数：5
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