Indentation Fracture of Macro-Defect-Free (MDF) Cements
摘要：
The fracture toughness of MDF (macro-defect-free) cement with different polymer contents has been investigated by the indentation-strength method and fracture surface analysis. It was found that the fracture toughness obtained by these two different techniques showed good agreement for the low (3 wt.%) polymer cement. The ultimate (apparent) toughnesses are 1.3 Mpam1/2for low polymer content and 2.2 Mpam1/2for high (8 wt.%) polymer content cement. Different microcracking and sponge-like microstructures have been observed and discussed.
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DOI：
10.1557/PROC-179-123
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年份：
1989
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1989
被引量：3
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