In–Situ Synthesis of Cop/Cu Coating by Laser Cladding

2007 ◽  
Vol 544-545 ◽  
pp. 387-390
Author(s):  
Y. Lu ◽  
J.H. Lee ◽  
Y. Zh. He
Keyword(s):  
Laser Cladding ◽  
Structural Evolution ◽  
In Situ Synthesis ◽  
Spherical Particles ◽  
Homogeneous Distribution ◽  
Processing Conditions ◽  
Line Energy ◽  
Rapid Solidification Technique ◽  
Rich Solution

Homogeneous Cop/Cu coating alloys were fabricated by laser cladding rapid solidification technique and their microstructures were investigated, with the emphasis on the influence of processing on microstructure. The experimental results showed that a Cop/Cu composite coating can be successfully in situ synthesized when the processing conditions were controlled. The as-solidified microstructures were characterized by a homogeneous distribution of small spherical Co-rich particles dispersed in the Cu-rich matrix. The Cop/Cu coating was consisted of γ-Co, Cu-rich solution and et al. With the increasing of line energy, the spherical particles diameter in coating was increasing. The structural evolution and refining mechanism of the Cop/Cu coating were also discussed.

In-situ synthesis of TiC/graphene/Ti6Al4V composite coating by laser cladding

2020 ◽  
Vol 270 ◽  
pp. 127711 ◽  
Author(s):  
Lizheng Zhang ◽  
Zhanyong Zhao ◽  
Peikang Bai ◽  
Wenbo Du ◽  
Yuxin Li ◽  
...  
Keyword(s):  
Composite Coating ◽  
Laser Cladding ◽  
In Situ Synthesis

In situ synthesis of hydroxyapatite coating by laser cladding

2008 ◽  
Vol 66 (2) ◽  
pp. 155-162 ◽  
Author(s):  
D.G. Wang ◽  
C.Z. Chen ◽  
J. Ma ◽  
G. Zhang
Keyword(s):  
Laser Cladding ◽  
In Situ Synthesis ◽  
Hydroxyapatite Coating

IN SITU SYNTHESIS OF TiC–TiB2 REINFORCED FeCrSiB COMPOSITE COATING BY LASER CLADDING

2007 ◽  
Vol 14 (02) ◽  
pp. 315-319 ◽  
Author(s):  
BAOSHUAI DU ◽  
ZENGDA ZOU ◽  
XINHONG WANG ◽  
QINGMING LI
Keyword(s):  
Wear Resistance ◽  
Chemical Composition ◽  
Carbon Steel ◽  
Laser Cladding ◽  
Metal Matrix ◽  
In Situ Synthesis ◽  
Mild Carbon Steel ◽  
Measurement Results ◽  
Iron Based

TiC and TiB 2 reinforced iron based metal matrix composite (MMC) coating was synthesized on mild carbon steel by laser cladding employing B 4 C , ferrotitanium, and FeCrSiB mixed powders. The microstructure and chemical composition were analyzed by means of SEM, EPMA, and XRD. Results show that the coating mainly consists of α– Fe(Ni) , TiB 2, TiC , B 6 Fe 23, Cr 2 B , and M 23 C 6. TiB 2, and TiC reinforcements are formed in situ through the reaction between B 4 C and ferrotitanium. Hardness and wear measurement results show that the hardness and wear resistance of the composites are much higher than that of the as-received sample.

scholarly journals In-situ synthesis Ni-Ti alloy by laser cladding

2020 ◽  
Author(s):  
Sergei IGOSHIN ◽  
Dmitriy MASAYLO ◽  
Artem KIM ◽  
Anatoliy POPOVICH
Keyword(s):  
Laser Cladding ◽  
In Situ Synthesis ◽  
Ti Alloy

Influence of Diode Laser Cladding and Sol-Gel Compound Technique on Microstructure of In-Situ Synthesis TiC Enhanced Coating

2015 ◽  
Vol 42 (s1) ◽  
pp. s106001
Author(s):  
唐强强 Tang Qiangqiang ◽  
张群莉 Zhang Qunli ◽  
王梁 Wang Liang ◽  
姚建华 Yao Jianhua
Keyword(s):  
Diode Laser ◽  
Laser Cladding ◽  
Sol Gel ◽  
In Situ Synthesis

Synthesis of VN-Reinforced Iron-Based Composite

2012 ◽  
Vol 557-559 ◽  
pp. 240-243 ◽  
Author(s):  
Shi Ping Zhang
Keyword(s):  
In Situ Synthesis ◽  
Synthesis Process ◽  
Homogeneous Distribution ◽  
Vanadium Nitride ◽  
X Ray Diffraction ◽  
Nitrogen Gas ◽  
X Ray ◽  
Fine Size ◽  
Particulate Reinforced

Vanadium nitride (VN) particulate reinforced Fe-based composite was produced with ferrovanadium, Ferromolybdenum, ferrochromium and nitrogen gas by in situ synthesis process. The microstructure of the composites was characterized by X-ray diffraction and scanning electron microscopy. With the help of differential thermal analysis, reaction process of Fe-V-N system was discussed. The results show that the composite consists of VN and α-Fe phase. VN particles exhibit fine size and homogeneous distribution in Fe matrix. Formation of VN at 674°C is due to the reaction between ferrovanadium and nitrogen gas.

LaF3 Influences on Wear Resistance of TiC/Ni Cladding Layer by Laser Cladding In Situ Fabricated

2012 ◽  
Vol 549 ◽  
pp. 335-339 ◽  
Author(s):  
Cheng Qiang Wang ◽  
Li Juan Wang ◽  
Jiang Qiao Wu ◽  
Zi Zhen Chen ◽  
Yong Jun Niu
Keyword(s):  
Wear Resistance ◽  
Rare Earth ◽  
Laser Cladding ◽  
Friction And Wear ◽  
In Situ Synthesis ◽  
Particle Segregation ◽  
Cladding Layer ◽  
Tic Particle ◽  
Heterogeneous Phase

The TiC/Ni composite coating was prepared by Laser Cladding In-situ Synthesis on the surface of damper plate with Ni--Ti-Mo-C -LaF3 powder．Microstructure and Wear resistance have been studied throughout EPMA、SEM and M—2000 Friction and Wear Tester．It was found that the microstructure got more homogenized grain fineness became finer, TiC distributed better and heterogeneous phase decreased, as adding moderate rare earth LaF3. When the content of LaF3 was 1%, the highest microhardness was got. While the optimal wear resistance properties were obtained with 2% LaF3. The laser cladding with excessive LaF3 has more TiC particle segregation which induces hardness and wear resistance of cladding layer.

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