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物理学报  2010 

Investigation on the crack healing effect in dimethyl phthalate series glassy materials
邻苯二甲酸二酯系玻璃材料中裂纹愈合效应研究

Keywords: crack healing,mechanical property,glass transition
裂纹愈合,
,力学性质,,玻璃化转变

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Abstract:

The stress cracking and crack-healing effects in dimethyl phthalate, diethyl phthalate, dibutyl phthalate and dioctyl phthalate series glassy materials was measured by the recently invented method (RMS-L-CH) which measures the stress cracking and crack healing in situ and further analysis and discussions on the crack healing phenomenon as well as its relation to the glass transition are presented. The results validate that the RMS-L-CH method is effective and may provide a new means to characterize the glass transition and to probe into the glass transition mechanism.

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