Damage evolution of angle-ply SCS-6/Ti composites under static and fatigue loading

Wang, P. C.; Jeng, S. M.; Chiu, Hsing-Pang; Yang, Jenn‐Ming

doi:10.1007/bf00351616

Cited by 6 publications

(4 citation statements)

References 9 publications

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“…The matrix is assumed to be titanium and the inclusion is a SiC ®ber of radius 70 lm. The elastic constants used here are approximately the same as those given in Cox et al (1990), Nimmer et al (1991), Marshall et al (1994, and Wang et al (1995), and are listed in Table 2.…”

Section: Multiple Inclusion Problemsmentioning

confidence: 93%

“…Majumdar and Newaz (1992) investigated the damage mechanism of the same composite at elevated temperatures. Recently, Wang et al (1995) obtained the stress-strain and strength data for these materials under tensile loading. A micrograph of the cross section of a 90 6 laminate is shown in Fig.…”

Section: Mechanics Of Damage Under Transverse Loadingmentioning

confidence: 99%

“…The failure of metal matrix composites under transverse loading have been studied by many investigators, e.g., Johnson et al (1990); MacKay (1990); Majumdar and Newaz (1992); Marshall et al (1994); Wang et al (1995). However none of these studies appear to have provided a clear understanding of the mechanics of damage evolution in these materials.…”

Section: Introductionmentioning

confidence: 96%

“…Micrographic cross-section of a SiC/Ti-15-3 compositeFig. 4. a Stress-strain data for a 90 6 SiC/Ti composite under transverse tensile loading and b microstructure showing slip bands at right angle to the transverse loading in SiC/Ti-15-3 composite(Wang et al 1995) …”

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confidence: 99%

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Characterization of matrix damage in metal matrix composites under transverse loads

Lee

Mal

1998

Computational Mechanics

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A volume integral equation method is used to investigate the mechanics of damage evolution in a unidirectional SiC/Ti composite under transverse loading. It is shown that the most likely mechanism of the damage is the initiation of partial ®ber debonding followed by transverse cracking (in brittle matrix composites, e.g., SiC/Ti 3 Al) or plastic yielding (in ductile matrix composites, e.g., SiC/Ti-15-3). The matrix damage has been observed to occur at extremely low transverse loads and a rational explanation of this phenomenon does not appear to have been given previously in the literature. Our results indicate that the initiation of matrix cracking or yielding can be explained if microcracks are present in the ®ber-matrix interface zone. In absence of the microcracks the stresses in the matrix are too low to cause any damage.

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Section: Multiple Inclusion Problemsmentioning

confidence: 93%

Section: Mechanics Of Damage Under Transverse Loadingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 96%

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confidence: 99%

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