为了得到可应用于颗粒物质光弹试验的聚碳酸酯小粒径颗粒,采用聚碳酸酯板或棒为原材料,通过所研究的3种加工方法及退火曲线,制成毫米级的高透明度颗粒,经过对其力学性能、光学性能及压汞的实验分析,得到了应力应变曲线、材料条纹值和内部孔隙结构特征的变化规律.结果表明,在退火的过程中除了热处理温度和时间,还要考虑热辐射的影响;退火不会显著改变聚碳酸酯材料的力学性能和曲线形状,只会对聚碳酸酯的孔径大小、分布、孔隙率等内部结构特征产生轻微影响,同时可以基本消除因制件尺寸造成的条纹值误差.
参考文献
| [1] | Y. J. Mergler;R. J. van Kampen;W. J. Nauta;R. P. Schaake;B. Raas;J. G. H. van Griensven;C. J. M. Meesters .Influence of yield strength and toughness on friction and wear of polycarbonate[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2005(5/6):915-923. |
| [2] | Yang YK .Optimization of injection-molding process for mechanical and tribological properties of short glass fiber and polytetrafluoroethylene reinforced polycarbonate composites with grey relational analysis: A case study[J].Polymer-Plastics Technology and Engineering,2006(7):769-777. |
| [3] | Yiyan Peng;Haimei Li;Lih-Sheng Turng .Development of a Rheo-Dielectric Sensor for Online Shear Stress Measurement During the Injection Molding Process[J].Polymer engineering and science,2010(1):61-68. |
| [4] | 王鑫,Yi-yan Peng,李海梅,申长雨.退火对注射成型PC制品力学性能的影响[J].化工学报,2010(06):1555-1559. |
| [5] | Song, S.;Feng, J.;Wu, P. .Annealing of melt-crystallized polyethylene and its influence on microstructure and mechanical properties: A comparative study on branched and linear polyethylenes[J].Journal of Polymer Science, Part B. Polymer Physics,2011(19):1347-1359. |
| [6] | Karacan, I.;Benli, H. .The influence of annealing treatment on the molecular structure and the mechanical properties of isotactic polypropylene fibers[J].Journal of Applied Polymer Science,2011(5):3322-3338. |
| [7] | 胡文军,符春渝,王彤伟,敬华.聚碳酸酯拉伸应变局部化实验[J].高分子材料科学与工程,2011(03):112-115. |
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%