Microstructure and properties of in-situ synthesized ZrC-Al3Zr reinforced composite coating on AZ91D magnesium alloy by laser cladding

2018 ◽  
Vol 334 ◽  
pp. 471-478 ◽  
Author(s):  
Yu Guo ◽  
Yingqiao Zhang ◽  
Zhiyong Li ◽  
Shouzheng Wei ◽  
Tao Zhang ◽  
...  
2018 ◽  
Vol 435 ◽  
pp. 1187-1198 ◽  
Author(s):  
Liuqing Yang ◽  
Zhiyong Li ◽  
Yingqiao Zhang ◽  
Shouzheng Wei ◽  
Fuqiang Liu

2009 ◽  
Vol 66 ◽  
pp. 206-209
Author(s):  
Kai Jin Huang ◽  
Cun Shan Wang ◽  
Chang Sheng Xie

To improve the wear property of magnesium alloy, wear-resistant TiC and in-situ ZrC co-reinforced Zr-based amorphous composite coating has been fabricated on AZ91D magnesium alloy by laser cladding using mixed powders of Zr52.5Cu17.9Ni14.6Al10Ti5-TiC. The microstructure of the coating was characterized by XRD and SEM techniques. The wear resistance of the coating was evaluated under dry sliding wear test condition. The results show that the coating mainly consists of amorphous and different crystalline phases. The coating exhibits excellent wear resistance due to the recombination action of amorphous and crystalline phases, and the wear resistance improves further with the increase of TiC content. The main wear mechanism of the coating and the AZ91D sample are different, the former is abrasive wear and the latter is adhesive wear.


2012 ◽  
Vol 19 (02) ◽  
pp. 1250009 ◽  
Author(s):  
PENG LIU ◽  
WEI GUO ◽  
DAKUI HU ◽  
HUI LUO ◽  
YUANBIN ZHANG

The synthesis of hard composite coating on titanium alloy by laser cladding of Al/Fe/Ni+C/Si3N4 pre-placed powders has been investigated in detail. SEM result indicated that a composite coating with metallurgical joint to the substrate was formed. XRD result indicated that the composite coating mainly consisted of γ- (Fe, Ni) , FeAl , Ti3Al , TiC , TiNi , TiC0.3N0.7 , Ti2N , SiC , Ti5Si3 and TiNi . Compared with Ti-3Al-2V substrate, an improvement of the micro-hardness and the wear resistance was observed for this composite coating.


2005 ◽  
Vol 40 (9-10) ◽  
pp. 2751-2754 ◽  
Author(s):  
Sen Yang ◽  
Wenjin Liu ◽  
Minlin Zhong ◽  
Zhanjie Wang ◽  
Hiroyuki Kokawa

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