Microstructure and Properties of Electrodeposited Coatings on Titanium Surface
Journal Title: 河南科技大学学报（自然科学版） - Year 2017, Vol 38, Issue 5
Abstract
WC coating and CoCr/WC coating were prepared on the surface of TA2 basis material by electro spark deposition. The morphology, surface roughness, thickness, phase composition, microhardness and relative wear resistance of the two coatings were compared. The results show that the CoCr/WC coating has fewer defects and better interfacial bonding than WC coating. The surface roughness of WC coating and CoCr/WC coating is about 7. 887 μm and 7. 445 μm, respectively. The thickness of WC coating and CoCr/WC coating is about 20 μm and 40 μm respectively. The surface of WC coating is mainly composed of W2C, TiC and W. The CoCr/WC coating is mainly composed of W2C, Co3W3C and W. The highest microhardness of WC coating surface is 970 HV, and the highest microhardness of CoCr/WC coating is 1 040 HV. The relative wear resistance of WC coating and CoCr/WC coating is respectively 2. 5 and 3. 2. WC coating and CoCr/WC coating make the surface properties of the substrate change, and the comprehensive performance of CoCr/WC coating is better than that of WC coating.
Authors and Affiliations
Gongyi WU, Hua YU, Zhanling ZHANG, Ranfeng QIU, Keke ZHANG
Keywords
Related Articles
- EP ID EP478125
- DOI -
- Views 60
- Downloads 0
Existence of Nontrivial Solution of a Class of p-Laplacian Equation
The existence of nontrivial solutions for a class of p-Laplacian equations was studied via Nehari manifold. Four lemmas were got. Nehari manifold was non empty. On the Nehari manifold,the greatest lower bound of the func...
Design of High-precision Phase Measuring Instrument Based on All Phase FFT Method
To overcome low precision and complex structure of traditional phase measuring instrument, a highprecision phase measuring instrument based on all phase fast Fourier transform algorithm (FFT) was proposed.The STM32F407VG...
Modeling and Optimization of Non-ideal Litz Wire in Wireless Power Transfer System
In order to reduce the high-frequency losses of the Litz wire, finite element simulation combined with experimental methods were used to design different shapes of Litz wire joints. The distribution of the strands on the...
Image Recognition Method of Multi-channel Convolutional Neural Network
To make better use of the feature information implied in the image database,a multi-channel convolutional neural network image recognition method based on image gradients was proposed by making the multi-directional grad...
Blow up of Solution for Nonlinear Viscoelastic Wave Equation
The existence and blow-up of the solution for a viscoelastic wave equation with nonlinear damping and source terms were considered. Especially,the coefficient of the principal part of the equation μ( t) was time t depend...