Microstructure and Wear Property of TiC Particle Reinforced Composite Coatings on H13 Steel Surface by Laser in-situ Synthesis

2014 ◽  
Vol 41 (10) ◽  
pp. 1003004
Author(s):  
姚爽 Yao Shuang ◽  
刘洪喜 Liu Hongxi ◽  
张晓伟 Zhang Xiaowei ◽  
李琦 Li Qi ◽  
张旭 Zhang Xu
Keyword(s):  
Steel Surface ◽  
Composite Coatings ◽  
In Situ Synthesis ◽  
Wear Property ◽  
H13 Steel ◽  
Reinforced Composite ◽  
Tic Particle ◽  
Particle Reinforced Composite

scholarly journals Effects of Process Parameters on Geometrical Characteristics and Microstructure of TiC Particle-Reinforced Co50 Alloy by Laser Cladding

2021 ◽  
Vol 2021 ◽  
pp. 1-16
Author(s):  
Nga Pham Thi-Hong
Keyword(s):  
Laser Cladding ◽  
Steel Surface ◽  
Composite Coatings ◽  
Alloy Coating ◽  
H13 Steel ◽  
Bright Band ◽  
Metallurgical Bonding ◽  
Tic Particle ◽  
Spherical Structures

Laser cladding of Co50 alloy coating and Co50 composite coatings doped with 10, 20, and 30 wt.% TiC particles was performed on the H13 steel surface. The effects of TiC concentration on the phase composition, microstructure, and microhardness of the coatings were studied. The results indicated that, in 10% TiC coating, the “bright band” is a quite flat-growth tissue, while with 20% TiC, the “white bright band” contains a large amount of black TiC particles. The composite coating Co50, 10% TiC, and 20% TiC samples can clearly distinguish the cladding zone, bonding zone, and heat-affected zone, and a good metallurgical bond is formed between the coating and the substrate. The 30% TiC coating and the substrate are not well bonded, which is attributed to the high TiC content in the coating; however, it has the best surface morphology, and there is no porosity on the surface. 10% TiC coatings have poor surface quality, show a spraying material phenomenon on two side edges which is quite serious, and a lot of porosity on the surface of the coating. In addition, 10% TiC coating includes the original TiC particles and primary TiC particles that are precipitated in situ from the liquid phase during solidification; 20% TiC coating indicates a large amount of TiC in the form of cross petals and twigs, and the figure points out that TiC exists like a large number of diffusely distributed spherical structures in the 30% TiC coating. The coatings of TiC/Co composite with less than 20% TiC showed good metallurgical bonding characteristics with the H13 steel surface.

In situ synthesis of WC ceramic particle reinforced composite coating by GTAW

2015 ◽  
Vol 19 (sup9) ◽  
pp. S9-314-S9-317
Author(s):  
Y. F. Xiao ◽  
H. Du ◽  
X. F. Li ◽  
Y. F. Xu ◽  
L. Wu ◽  
...  
Keyword(s):  
Composite Coating ◽  
Ceramic Particle ◽  
In Situ Synthesis ◽  
Reinforced Composite ◽  
Particle Reinforced Composite

Microstructure and Properties of In Situ Synthesis of TiC Particle Reinforced Composite Coating by Induction Cladding

2007 ◽  
Vol 336-338 ◽  
pp. 1725-1727 ◽  
Author(s):  
Zhen Ting Wang ◽  
Yong Dong Wang
Keyword(s):  
Composite Coating ◽  
Volume Fraction ◽  
Steel Substrate ◽  
Reinforced Composite ◽  
Metallurgical Bonding ◽  
Tic Particle ◽  
Nickel Based Alloy ◽  
Coating Matrix ◽  
Particle Reinforced Composite

A composite coating with TiC Particle of embedded in nickel based alloy has been in-situ synthesized by induction cladding a precursor mixture of nickel based alloy powder, titanium and graphite powders. The results showed that the composite coating has good metallurgical bonding with the substrate as well as there is a good wettability between the reinforcement TiC and the coating matrix. The microstructure of the composite coating is mainly composed of γ-Ni dendrite, a small amount of M23C6, and dispersed TiC particle. The volume fraction of TiC particle increases with increasing of volume fraction of titanium and graphite. The microhardness gradually increased from the bottom to the top of the composite coating. The average microhardness of the composite coating is HV0.21200, 5 times larger than that of the 16Mn steel substrate.

Microstructure of Laser In Situ Synthesized TiBx+TiC Reinforced Composite Coatings

2014 ◽  
Vol 1061-1062 ◽  
pp. 526-529
Author(s):  
Jing Liang ◽  
Chao Wang ◽  
Sui Yuan Chen ◽  
Chang Sheng Liu ◽  
Cheng Yu Yang
Keyword(s):  
Laser Scanning ◽  
Composite Coatings ◽  
Scanning Speed ◽  
Processing Parameters ◽  
In Situ Synthesis ◽  
Optimal Processing ◽  
Reinforced Composite ◽  
The Matrix ◽  
Laser Scanning Speed

B4C/TiNi mixed powders with different composition (10B4C+90TiNi and 20B4C+80TiNi in wt. %) prepasted on Ti-6Al-4V substrates were scanned by a FL-Dlight02-3000W semiconductor laser to obtain TiBx+TiC reinforced graded composite coatings. The influences of the processing parameters on the microstructure of the coatings were studied. Optimal processing parameters were obtained with laser power (P) 1700W/1900W, laser scanning speed (V) 6.67mm/s and defocus length 310mm. The microstructures and phases of the coatings were analyzed with OM, SEM and XRD respectively. Graded composite coatings with in-situ synthesis of TiC, TiB and TiB2 reinforcements in the matrix of Ti2Ni and TiNi were obtained.

Mechanism of Zr in in situ-synthesized particle reinforced composite coatings by laser cladding

Rare Metals ◽  
2017 ◽  
Vol 36 (12) ◽  
pp. 934-941 ◽  
Author(s):  
Yao-Wei Yong ◽  
Wei Fu ◽  
Qi-Lin Deng ◽  
Jian-Guo Yang
Keyword(s):  
Laser Cladding ◽  
Composite Coatings ◽  
Reinforced Composite ◽  
Particle Reinforced Composite

A Effects of Nano-Particles Additives on Wear Performance of Micro-Arc Oxidation Coating Prepared on 2A12 Aluminum Alloy

2015 ◽  
Vol 1120-1121 ◽  
pp. 735-739
Author(s):  
Ji Qiu ◽  
Xiang Bo Suo ◽  
Shi Ning Ma ◽  
Gang Shuai ◽  
Hong Mei Wang
Keyword(s):  
Aluminum Alloy ◽  
Friction And Wear ◽  
Composite Coatings ◽  
Nano Particles ◽  
Wear Property ◽  
Nano Particle ◽  
Wear Performance ◽  
Reinforced Composite ◽  
Micro Arc Oxidation ◽  
Particle Reinforced Composite

Nano-particle reinforced composite coatings were prepared on 2A12 aluminum alloy by micro-arc oxidation and the effect of nano particles on wear performance of coating was studied. By means of SEM, CETR micro-nano-indenter friction and wear tester and white-light interferometer, the surface morphology and the friction and wear property were tested. Results showed that compared with the coating without nano-particle addition, the size and amount of pores on coatings were decreased substantially after additon with 20nm nano-SiO2 particles, 80nm nano-SiO2 particles and 80nm nano-TiO2 particles, and the wear resistance of the micro-arc oxidation coating was improved.

Laser Alloying in-situ Carbide Particle Reinforced Composite Layers on the Gray Cast Iron with Ni-base Powder

Applied laser ◽  
2010 ◽  
Vol 30 (4) ◽  
pp. 249-253
Author(s):  
郑伟 Zheng Wei ◽  
马明星 Ma Mingxing ◽  
朱有慧 Zhu Youhui ◽  
张伟明 Zhang Weiming ◽  
孙康和 Sun Kanghe ◽  
...  
Keyword(s):  
Cast Iron ◽  
Gray Cast Iron ◽  
Carbide Particle ◽  
Gray Cast ◽  
Laser Alloying ◽  
Base Powder ◽  
Reinforced Composite ◽  
Composite Layers ◽  
Particle Reinforced Composite

SURFACE PROPERTIES OF THE IN SITU FORMED CERAMICS REINFORCED COMPOSITE COATINGS ON TI-3AL-2V ALLOYS

2012 ◽  
Vol 19 (02) ◽  
pp. 1250009 ◽  
Author(s):  
PENG LIU ◽  
WEI GUO ◽  
DAKUI HU ◽  
HUI LUO ◽  
YUANBIN ZHANG
Keyword(s):  
Wear Resistance ◽  
Titanium Alloy ◽  
Composite Coating ◽  
Surface Properties ◽  
Laser Cladding ◽  
Composite Coatings ◽  
Micro Hardness ◽  
Reinforced Composite

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.

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