Fabrication of In Situ TiC Reinforement Ti Matirx Wear-Resistant and its Wearing Performance at 500°C

2011 ◽  
Vol 189-193 ◽  
pp. 3731-3735 ◽  
Author(s):  
Lan Yun Qin ◽  
Wei Wang ◽  
Guang Yang
Keyword(s):  
Sliding Wear ◽  
Functionally Graded ◽  
Dry Sliding Wear ◽  
Titanium Matrix ◽  
Wear Properties ◽  
Graded Materials ◽  
Gradient Distribution ◽  
Deposition Direction ◽  
In Situ Tic

TiC reinforced titanium matrix functionally graded materials （FGM） has been produced by processes of laser metal deposition through changing the powder feed rate of Ti and Cr3C2 powder. The OM, SEM, EDS methods were used to analyze the components and microstructure of the coatings. Microhardness and wearing resistance at 500°Ctemperature of the FGM coating were examined by microhardness tester and wear tester respectively. The results show that FGM coating reinforced by in-situ TiC apparently improved hardness of Ti alloy; the microhardness can reach HV1100, and present gradient distribution along deposition direction. Dry sliding wear properties of these FGM coatings have been compared with substrate materials wearing. The observed wearing mechanisms are summarized and related to detailed microstructural observations. The results show the wear resistance of the coating can be improved by 2.8 times.

Application of Laser Metal Deposition for Fabrication of Titanium Matrix Wear-Resistant Coating and its Wearing Performance

2010 ◽  
Vol 44-47 ◽  
pp. 316-320 ◽  
Author(s):  
Lan Yun Qin ◽  
Guang Yang ◽  
Wei Wang ◽  
Ming Tong ◽  
Xing Liang Wang
Keyword(s):  
Metal Deposition ◽  
Functionally Graded ◽  
Dry Sliding Wear ◽  
Laser Metal Deposition ◽  
Titanium Matrix ◽  
Wear Properties ◽  
Graded Materials ◽  
Gradient Distribution ◽  
Deposition Direction ◽  
In Situ Tic

TiC reinforced titanium matrix functionally graded materials （FGM） has been produced by processes of laser metal deposition through changing the powder feed rate of Ti and Cr3C2 powder. The OM, SEM, EDS methods were used to analyze the components and microstructure of the coatings. Microhardness and wearing resistance at room temperature of the FGM coating were examined by microhardness tester and wear tester respectively. The results show that FGM coating reinforced by in-situ TiC apparently improved hardness of Ti alloy; the microhardness can reach HV1100, and present gradient distribution along deposition direction. Dry sliding wear properties of these FGM coatings have been compared with substrate materials wearing. The observed wearing mechanisms are summarized and related to detailed microstructural observations. The results show the wear resistance of the coating can be improved by 46.6 times.

Microstructure and Wear Properties of In Situ TiC-Cr7C3/Fe Surface Composite

2011 ◽  
Vol 415-417 ◽  
pp. 170-173
Author(s):  
Jing Wang ◽  
Si Jing Fu ◽  
Yi Chao Ding ◽  
Yi San Wang
Keyword(s):  
Sliding Wear ◽  
Wear Behavior ◽  
Wear Test ◽  
Dry Sliding Wear ◽  
Dry Sliding ◽  
Test Machine ◽  
Wear Properties ◽  
Surface Composite ◽  
The Matrix

A wear resistant TiC-Cr7C3/Fe surface composite was produced by cast technique and in-situ synthesis technique. The microstructure and dry-sliding wear behavior of the surface composite was investigated using scanning electron microscope(SEM), X-ray diffraction(XRD) and MM-200 wear test machine. The results show that the surface composite consists of TiC and Cr7C3as the reinforcing phase, α-Fe and γ-Fe as the matrix. The surface composite has excellent wear-resistance under dry-sliding wear test condition with heavy loads.

Investigation on Microstructure and Wear Properties of an In Situ Synthesized TiC Gradient Coating

2011 ◽  
Vol 338 ◽  
pp. 770-776
Author(s):  
Liang Xu ◽  
Hai Xia Zhao ◽  
Li Hui ◽  
Shao Hua Ma ◽  
Song Zhou ◽  
...  
Keyword(s):  
Dry Sliding Wear ◽  
Chemical Compositions ◽  
Second Phase ◽  
Wear Properties ◽  
Gradient Distribution ◽  
Hardening Mechanism ◽  
Solid Solution Strengthening ◽  
Comprehensive Properties ◽  
Gradient Coating

An in-situ synthesized TiC gradient coating was prepared on a Ti600 substrate. .Results indicated that the microstructure and chemical compositions of the gradient coating exhibited a continuous gradient distribution. The most outer coating has an excellent comprehensive properties. The gradient coating has a good wear resistance, under dry sliding wear condition. The granular wear is the main way for the coating wear. The hardening mechanism for gradient coating are second phase strengthening, grain refining strengthening and solid solution strengthening.

Wear Properties of (Ti,V)C/Fe Composite

2013 ◽  
Vol 721 ◽  
pp. 303-307
Author(s):  
Hong Xu ◽  
Yi Chao Ding ◽  
Jing Wang
Keyword(s):  
Sliding Wear ◽  
Composite Coatings ◽  
Wear Test ◽  
Atomic Ratio ◽  
Dry Sliding Wear ◽  
Wear Properties ◽  
Surface Composite ◽  
Wear Weight Loss ◽  
Powder Metallurgy Route

(Ti,V)C particles reinforced Fe-based surface composite coatings were fabricated by in-situ synthesis and powder metallurgy route. The microstructure and wear properties were investigated by scanning electron microscopy and dry sliding wear test. The results show that fine (Ti,V)C particulates distribute uniformly in pearlite matrix; when V/Ti atomic ratio is 0.4, the wear weight loss of the composites achieve minimum.

Influence of TiC on dry sliding wear and mechanical properties of in situ synthesized AA5052 metal matrix composites

2019 ◽  
Vol 53 (28-30) ◽  
pp. 4323-4336 ◽  
Author(s):  
Priyaranjan Samal ◽  
Pandu R Vundavilli ◽  
Arabinda Meher ◽  
Manas Mohan Mahapatra
Keyword(s):  
Metal Matrix Composites ◽  
Metal Matrix ◽  
Sliding Wear ◽  
Base Alloy ◽  
Dry Sliding Wear ◽  
Dry Sliding ◽  
Brake Disc ◽  
Matrix Composites ◽  
Wear Properties

In this paper, aluminium metal matrix composites were synthesized through in situ process in which aluminium alloy 5052 (AA5052) and titanium carbide were used as matrix and reinforcement materials, respectively. The microstructural characterization and formation of stable TiC phases were analyzed with the help of field emission scanning electron microscope, X-ray diffraction analysis, respectively. The 9% TiC-reinforced MMCs had shown a considerable improvement, i.e. 32% increase in hardness, 78% in ultimate tensile strength and 116% increase in yield strength when compared with the base alloy. The tensile fracture of the specimens shows dimples, voids, cracks, and ridges indicating the brittle nature. Further, the dry sliding wear properties of the composites were studied with the help of a pin-on-disc wear testing machine. The composite with 9% TiC exhibited a decrease in volumetric wear loss by 24% when compared with the base alloy at a load of 30 N. With increase in the TiC content and applied load, the COF values decreased linearly for the composites. The 9% TiC-reinforced composites show an abrasive mode of wear mechanism as a result of formation of deep grooves with no plastic deformation. With the improvement obtained in the wear properties, this metal matrix composite can be considered as a replacement for the conventional brake disc material used in the automobile industry.

Microstructures and dry sliding wear properties of in situ (Al3Zr+ZrB2)/Al composites

2007 ◽  
Vol 184 (1-3) ◽  
pp. 201-208 ◽  
Author(s):  
Songli Zhang ◽  
Yutao Zhao ◽  
Gang Chen ◽  
Xiaonong Cheng
Keyword(s):  
Sliding Wear ◽  
Dry Sliding Wear ◽  
Dry Sliding ◽  
Wear Properties
Sign in / Sign up

Export Citation Format

Share Document