The single fiber fragmentation test (SFFT) is a wellknown experimental test, which allows the study of fiber failure in its simplest form [1, 2]. The principle is that a single fiber embedded in a matrix repeatedly breaks until all fragment lengths are within a critical distance. Once the fiber has broken for the first time, successive breakage happens in regions removed from the initial failure, often referred to as polled areas [3]. Acoustic emission (AE) has been extensively used for the detection and localization of fiber breakage during SFFT tests, in carbon [4, 5],Kevlar [6, 7] and glass fiber composites [8, 9].
Critical length measurements in carbon fibers during single fiber fragmentation tests using acoustic emission
C. Santulli
2004-01-01
Abstract
The single fiber fragmentation test (SFFT) is a wellknown experimental test, which allows the study of fiber failure in its simplest form [1, 2]. The principle is that a single fiber embedded in a matrix repeatedly breaks until all fragment lengths are within a critical distance. Once the fiber has broken for the first time, successive breakage happens in regions removed from the initial failure, often referred to as polled areas [3]. Acoustic emission (AE) has been extensively used for the detection and localization of fiber breakage during SFFT tests, in carbon [4, 5],Kevlar [6, 7] and glass fiber composites [8, 9].File in questo prodotto:
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