Investigation of impact fracture process with particle-filled polymer materials by acoustic emission

关键词 Polypropylenes;Acoustic emissions;Fracture testing;Composite materials;Agglomeration;Dispersions;Fillers;Morphology;Bonding;Interfaces (materials)摘　　要Acoustic emission during the process of instrumented impact testing was researched with different PP/talc filling composites using the MISTRAS2001 AE SYSTEM.The relationship between different AE descriptive parameters and aggregation structure of PP/talc composites was investigated.It was shown that the active level of the AE signal (AMP) has a relationship with the degree of dispersion of the filler in the matrix.The AE counts of the composites in the process of impact fracture can be affected by change of morphology of the second-phase particles in the matrix.At the same time, the AE signal was continuous under the condition of stronger interface bond between filler and matrix material. copy 2002 Elsevier Science Ltd.All rights reserved.

本站所有内容资源来自互联网收集,版权归原创作者或原单位公司所有。联系：kpzsnet#126.com (#改为@)

科技博览：	生命科学 ┆ 环境科学 ┆ 能源技术 ┆ 海洋科学 ┆ 航天技术 ┆ 材料科学 ┆ 军事科学 ┆ 交通科技 ┆ 气象科学 ┆ 地球科学 ┆ 天文历法 ┆ 生物技术 ┆ 基础科学 ┆ 电子电工 ┆ 科技综合 ┆ 建筑 ┆ 历史考古 ┆ 纺织化工 ┆ 地外生命 ┆ 生命起源