Grindability Evaluation of Advanced Ceramics with AHP Approach

Ai Bing Yu; Y. Zhang

doi:10.4028/www.scientific.net/KEM.304-305.222

Paper Titles

Study on Grinding Technology of Electrical Discharge Grinding of Curve Edge Polycrystalline Diamond
p.206

Machining Characteristics Analysis of Nano Ceramics in Ultra Precision Grinding Machining
p.210

Mechanism of the High Efficiency Grinding Fluid Used for Ceramics
p.214

Study on Fuzzy Reliability of Shaft Fixing Grinding Wheel in Internal Grinding
p.218

Grindability Evaluation of Advanced Ceramics with AHP Approach
p.222

Application of Hilbert-Huang Transform to Predict Grinding Surface Quality On-Line
p.227

Study on Critical Ductile Grinding Depth of Nano ZrO₂ Ceramics by the Aid of Ultrasonic Vibration
p.232

Study on Grinding Waviness on Outer Race of Ball Bearing and Vibration Reducing Skills
p.236

Raman Microspectroscopy Study on the Ground Surface of Monocrystalline Silicon Wafers
p.241

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Grindability Evaluation of Advanced Ceramics with AHP Approach

Abstract:

The hierarchy model for grindability evaluation of ceramics was set up. All influence factors of ceramic grindability can be considered together by application of analytic hierarchy process (AHP) approach. Material property parameters and grinding parameters were selected as evaluating factors to have a comprehensive estimation of ceramic grindability. Saaty 1-9 scales were applied to make comparison matrix by pairwise comparison of factors. Then weights of factors were calculated. The grindabilities of ceramics were evaluated by comparison of comprehensive values of grindability. SiC, Al2O3, Si3N4 and ZrO2 were evaluated with AHP approach as an example. Five influence factors, including hardness, fracture toughness, elastic modulus, grinding force and material removal rates, were selected for evaluation. Grindabilities of four ceramics, ranking form easy to difficult, are SiC, Al2O3, ZrO2 and Si3N4. The research shows that AHP approach is a reasonable and effective evaluation method for grindability of ceramics.