应用压痕断裂力学分析陶瓷材料的磨削加工过程,根据陶瓷材料的脆性指数确定临界磨削力,分别建立了磨削主应力极值与泊松比和磨削分力比之间的回归方程,此简单函数便于计算最大磨削主应力和分析磨削裂纹.脆性指数和泊松比反映陶瓷材料的磨削加工性,磨削方式影响陶瓷材料的去除,通过陶瓷磨削实验证明分析结果.研究结果为陶瓷材料磨削参数的选择和磨削方式的确定提供了理论依据.
参考文献
| [1] | 张清纯.陶瓷材料的力学性能[M].北京:科学出版社,1987 |
| [2] | Lawn B R;Swain M V.Microfracture beneath point indentations in brittle solids[J].Journal of Materials Science,1975(10):113-122. |
| [3] | Lawn B R;Marshall D B .Hardness,toughness,and brittleness:An indentation analysis[J].Journal of the American Ceramic Society,1979,62:347-351. |
| [4] | Conway J C;Kirchner H P .The mechanics of crack initiation and propagation beneath a moving indentor[J].Journal of Materials Science,1980,15:2879-2883. |
| [5] | Takakura E;Horibe S .Fatigue damage in ceramic materials caused by repeated indentation[J].Journal of Materials Science,1992,27:6151-6158. |
| [6] | Richard J. Anton;Ghatu Subhash .Dynamic Vickers indentation of brittle materials[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2000(1):27-35. |
| [7] | Inasaki I .Grinding of hard and brittle materials[Z].Annals of the CIRP,1987,36:463-471. |
| [8] | 于爱兵;徐燕申;林彬 .工程陶瓷磨削裂纹形成过程研究[J].天津大学学报,1999,32(02):177-180. |
| [9] | Matsuo T;Ohbucchi Y .Slot grinding of steels and ceramics with superabrasive[Z].Annals of the CIRP,1988,37:315-318. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%