Simulation of Microstructure Evolution Coupled with Fabrication Pressure for Two-Phase Ceramic Tool Materials

2010 ◽  
Vol 431-432 ◽  
pp. 138-141
Author(s):  
Chuan Zhen Huang ◽  
Bin Fang ◽  
Chong Hai Xu ◽  
Sheng Sun ◽  
Han Lian Liu

A computer simulation coupled with fabrication pressure for the sintering process of two-phase ceramic tool materials has been developed using a two-dimensional hexagon lattice model mapped from the realistic microstructure. The mean grain size of simulated microstructures by Monte Carlo Potts model integrated with pressure increases with an increase in fabrication pressure, which is consistent with the experiment results. Monte Carlo Potts model coupled with fabrication pressure is suitable for simulating the microstructure evolution at the different fabrication pressure during the fabrication of ceramic tool materials.

2012 ◽  
Vol 499 ◽  
pp. 150-155 ◽  
Author(s):  
Bin Fang ◽  
Chuan Zhen Huang ◽  
Chong Hai Xu ◽  
Sheng Sun

The relationship between fabrication pressure and microstructure evolution is proposed. A computer simulation coupled with fabrication pressure for the hot-pressing process of single-phase ceramic tool materials has been developed, which uses a two-dimensional hexagon lattice model mapped from the realistic microstructure without considering the presence of pores. The fabrication of single-phase Al2O3 is simulated. The mean grain size of simulated microstructure by Monte Carlo Potts model integrated with fabrication pressure increases with an increase in fabrication pressure, which is consistent with the experiment results. It is shown that Monte Carlo Potts model coupled with fabrication pressure may simulate the microstructure evolution of single-phase ceramic tool materials.


2010 ◽  
Vol 97-101 ◽  
pp. 3042-3045
Author(s):  
Bin Fang ◽  
Chuan Zhen Huang ◽  
Chong Hai Xu ◽  
Sheng Sun

A computer simulation of the sintering process of two-phase ceramic tool materials has been developed using a two-dimensional hexagon lattice model mapped from the realistic microstructure. The relationship between simulation time and real duration time has been proposed. The mean grain size of simulated microstructure increases with an increase in simulation time, which is consistent with the experimental results.


2013 ◽  
Vol 395-396 ◽  
pp. 262-265 ◽  
Author(s):  
Hong Mei Cheng ◽  
Chuan Zhen Huang

A Monte Carlo Potts model coupled with sintering pressure for the sintering process of nanocomposite ceramic tool materials is proposed, the relation between grain growth and sintering pressure is presented. The grain growth process at different sintering pressure is investigated in this model, and the effect of sintering pressure on microstructure evolution is discussed, it is found that the mean grain size increases with the increase of sintering pressure during simulation. The results from this simulation are shown to correlate well with the experimental observations.


2010 ◽  
Vol 431-432 ◽  
pp. 134-137
Author(s):  
Bin Fang ◽  
Chuan Zhen Huang ◽  
Chong Hai Xu ◽  
Sheng Sun ◽  
Bin Zou

A computer simulation coupled with fabrication temperature for the sintering process of two-phase ceramic tool materials has been developed using a two-dimensional hexagon lattice model mapped from the realistic microstructure. The relationship between fabrication temperature and microstructure evolution is proposed. The mean grain sizes of simulated microstructures by Monte Carlo Potts model integrated with fabrication temperature increase with an increase in fabrication temperature, which is consistent with the experiment results.


2010 ◽  
Vol 150-151 ◽  
pp. 1358-1363
Author(s):  
Bin Fang ◽  
Chuan Zhen Huang ◽  
Chong Hai Xu ◽  
Sheng Sun

The fabrication is a key process for the preparation of ceramic tool materials, which governs the mechanical properties of ceramic tool materials under the condition of the same compositions. A computer simulation coupled with fabrication temperature for the hot-pressing process of single-phase ceramic tool materials has been developed using a two-dimensional hexagon lattice model mapped from the realistic microstructure without considering the presence of pores. The fabrication of single-phase Al2O3 is simulated. The mean grain size of simulated microstructure by Monte Carlo Potts model integrated with fabrication temperature increases with an increase in fabrication temperature, which is consistent with the experiment results.


2013 ◽  
Vol 770 ◽  
pp. 194-197
Author(s):  
Hong Mei Cheng ◽  
Chuan Zhen Huang ◽  
Xiu Ye Wang

A Monte Carlo Potts model coupled with sintering temperature for the sintering process of nanocomposite ceramic tool materials is proposed, the relation between grain growth and sintering temperature is presented. The grain growth process at different sintering temperature is investigated in this model, and the effect of sintering temperature on microstructure evolution is discussed, it is found that the mean grain size increases with the increase of sintering temperature during simulation, and nanoparticles are easier to enter into matrix grains to form intragranular-type microstructure at higher temperature. The simulation results are in accordance with the experimental observations.


2012 ◽  
Vol 500 ◽  
pp. 537-543 ◽  
Author(s):  
Bin Fang ◽  
Chuan Zhen Huang ◽  
Hong Tao Zhu ◽  
Chong Hai Xu

The new Monte Carlo Potts model that couples with fabrication parameters and considers pores and additives has been developed in order to simulate the fabrication of single-phase ceramics tool materials. The microstructure evolution for single-phase Al2O3 ceramic tool materials is simulated with the different technology parameters. At the same time, the single-phase Al2O3 ceramic tool materials are fabricated with the corresponding technology parameters. The errors of grain size between the simulated and the experimental is 12.1 and18.2%.


Sign in / Sign up

Export Citation Format

Share Document