Al/Zn/Al2O3 and Zn/Al2O3 Coatings by Cold Spray Coating Method of WE43 Magnesium Alloy and Investigation of Its Wear Behaviors

被引:0
作者
Gul, Canser [1 ]
Albayrak, Sevda [2 ]
Comez, Nilay [3 ]
Durmus, Hulya [1 ]
机构
[1] Manisa Celal Bayar Univ, Muhendislik Fak, Metalurji & Malzeme Muh Bolumu, Manisa, Turkey
[2] Gazi Univ, Teknoloji Fak, Metalurji & Malzeme Muh Bolumu, Ankara, Turkey
[3] Ege Univ, Muhendislik Fak, Makine Muh Bolumu, Izmir, Turkey
来源
JOURNAL OF POLYTECHNIC-POLITEKNIK DERGISI | 2022年 / 25卷 / 04期
关键词
WE43; magnesium alloy; cold spray coating; wear; PARTICLE DEFORMATION; MICROSTRUCTURE; COMPOSITE;
D O I
暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Mg alloys are preferred in automotive, aircraft, aerospace and communication industries due to their low specific gravity and high strength. WE series is a series of Mg alloys containing Mg, Y, Nd, rare earth elements, and although the creep strength is good for this alloy series, the wear resistance is open to improvement. The aim of this study is to develop coatings that can increase the wear resistance of WE43 Mg alloys, which have a high potential for use due to their specific gravity, by using a method that can be easily applied in the industry. For this purpose, using the cold spray coating method, magnesium alloys, whose surfaces are highly active, are provided to be coated without oxidation and wear resistance is improved. In the study carried out, WE43 Mg alloys, which roughen the surfaces by fine sandblasting process, were used with cold spray method, using powders containing Al/Zn/Al2O3 and Zn/Al2O3 and trade names DYMET K-20-11 and DYMET K-00-11, respectively, using N2 shielding gas at 500 degrees C. 6 g/min for powders delivered to supersonic speeds under the atmosphere. The powder was sprayed onto the substrates using the feed rate. Morphological analysis of the coated and uncoated samples with different contents were examined by SEM, XRD methods, the coating thicknesses were measured with SEM images taken from the section, and the percentages of the elements were determined by EDS analysis. In addition, ball-on disc wear tests were performed to examine the wear performance and volume losses were evaluated. As a result, the wear loss of WE43 alloys was reduced by approximately 40% compared to the uncoated condition, thanks to the cold spray coatings.
引用
收藏
页码:1791 / 1798
页数:8
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