Laser Cladding of a Ni-Cr Alloy onto a Spray Forming Al-Si Alloy with a High Power Diode Laser

被引：0
|
作者：
Perez Artieda, M. Gurutze [1 ]
Cortiella, A. [2 ]
Harlan, N. R.
Zapirain, F. [3 ]
Zubiri, F. [3 ]
机构：
[1] Univ Publ Navarra, Pamplona 31006, Spain
[2] Mat CEMITEC, Noain 31110, Spain
[3] LORTEK Area Laser & Rapid Mfg, Ordizia 20240, Spain
来源：
LASERS IN ENGINEERING | 2010年 / 20卷 / 1-2期
关键词：
High power diode laser (HPDL); laser coating; laser cladding; aluminium-silicon alloys; tribological properties; microstructure; ALUMINUM-ALLOY; FE; MICROSTRUCTURE; COATINGS; BEHAVIOR; AA333; BASE;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The aim of the present work is to combine the excellent mechanical properties of spray formed aluminium alloys with a surface coating designed to withstand wear at elevated temperatures. The use of lightweight metals, such as aluminium, in engine components results in substantial reductions in CO, emissions. A high power diode laser (HPDL) was used to create a wear resistant Ni-Cr surface coating on a hypereutectic Al-Si alloy, produced via spray forming. The microstructure was characterized by optical and scanning electron microscopy. The test results showed that the allowed layers had high Vickers micro hardness (700 HV) and a low friction coefficient (0.16).
引用
收藏
页码：107 / 116
页数：10
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