In this paper based on the experiment principle of evaluating adhesion property by scratch testing, the peeling mechanism of thin films is discussed by applying contact theory and surface physics theory. A mathematica...In this paper based on the experiment principle of evaluating adhesion property by scratch testing, the peeling mechanism of thin films is discussed by applying contact theory and surface physics theory. A mathematical model predicting the critical load is proposed for calculating critical load as determined byscratch testing. The factors for correctly evaluating adhesion of coatings according to the experimental data arediscussed.展开更多
The effects of several processing parame-ters on size and distributions of mullite powders were studied in wet grinding with an attrition mill.The results show that there is an optimum initial slurry density,and also ...The effects of several processing parame-ters on size and distributions of mullite powders were studied in wet grinding with an attrition mill.The results show that there is an optimum initial slurry density,and also it has little rela-tionship with the media charge ratio.The size distributions of processed mullite are dependent on the grinding time and indepentdent of initial pulp density,Under given conditions,the larger the media charge ration is ,the finer the ground particle size will be.展开更多
文摘In this paper based on the experiment principle of evaluating adhesion property by scratch testing, the peeling mechanism of thin films is discussed by applying contact theory and surface physics theory. A mathematical model predicting the critical load is proposed for calculating critical load as determined byscratch testing. The factors for correctly evaluating adhesion of coatings according to the experimental data arediscussed.
文摘The effects of several processing parame-ters on size and distributions of mullite powders were studied in wet grinding with an attrition mill.The results show that there is an optimum initial slurry density,and also it has little rela-tionship with the media charge ratio.The size distributions of processed mullite are dependent on the grinding time and indepentdent of initial pulp density,Under given conditions,the larger the media charge ration is ,the finer the ground particle size will be.
