Creation of Heterogeneous Materials by Laser Cladding of Heterogeneous Powder Compositions on the Base of Steel and Nickel

被引：0
|
作者：
Drozdov, V. O. [1 ]
Malikov, A. G. [1 ]
Orishich, A. M. [1 ]
Cherepanov, A. N. [1 ]
机构：
[1] Khristianovich Inst Theoret & Appl Mech SB RAS, Novosibirsk 630090, Russia
来源：
ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2016 | 2016年 / 1783卷
关键词：
ND-YAG LASER; TUNGSTEN CARBIDE; BEHAVIOR;
D O I：
10.1063/1.4966338
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper presents the experimental investigation of the creation of complex composition corrosion-resistant coatings with low abrasive wear which are used in oil industry, by the method of laser cladding additive technology. Availability of the additive laser cladding of the complex composition corrosion-resistant coatings with a strengthening phase is shown. Optimal conditions for the cladding layers creation regarding the laser radiation parameters and radiation direction are found. The changes in micro-hardness, micro-structure and structure-phase components are established against the strengthening phase content in the upper clad layer. Different content of the strengthening phase in the upper layer from 10% to 30% does not change the micro-hardness of the upper layer and is on the average 700 HV. The laser irradiation of the powder mixture containing the strengthening phase results in the partial rupture of the WC strengthening phase. Hence the chemical interaction of the tungsten-cobalt powder mixture and stainless steel occurs and results in complex carbide formation.
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页数：4
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