Application of a new constant G load-jig to creep crack growth in adhesive joints

Plausinis, D.; Spelt, J.K.

doi:10.1016/0143-7496(96)83703-1

Cited by 29 publications

(17 citation statements)

References 15 publications

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“…The mixed mode bending methods proposed by Reeder and Crews (1992) only provides stable crack growth under dominating mode I cracking; under dominating mode II, the crack growth can be unstable (Ozdis and Carlsson 2000). An advantage of the present method (and the one of Plausinis and Spelt (1995)) is that crack growth is stable over the entire mode mixity spectrum. Then, for any mode mixity, the fracture energy can be determined from arrested cracks having truly sharp tips.…”

Section: Drawbacks and Advantages Of The Dcb-ubm Test Specimenmentioning

confidence: 78%

“…We illustrate the usefulness of the DCB-UBM test configuration by studying the strength of adhesive 1 Since this work was completed, we became aware of a rather similar test apparatus developed by Plausinis and Spelt (1995). Their test apparatus also applies uneven bending moments to a DCB specimen.…”

Section: A Case Study: Strength Of Adhesive Joints In Polymer Matrix mentioning

confidence: 98%

“…However, the concept of applying uneven, pure moments may also be useful for studying fatigue. Indeed, the apparatus by Plausinis and Spelt (1995), which also uses a wire arrangement, has been used successfully for cyclic fracture tests of adhesive joints (Dessereault and Spelt 1997). However, our test fixture uses long wires, and we think that this loading method is probably not well suited for rapid load changes usually used in cyclic loading.…”

Section: Drawbacks and Advantages Of The Dcb-ubm Test Specimenmentioning

confidence: 99%

“…We thank Jens Olsson, Christian H. Madsen and Morten D. Sørensen for experimental help. We also wish to thank an anonymous referee for making us aware of the test apparatus developed by Plausinis and Spelt (1995).…”

Section: Acknowledgementsmentioning

confidence: 99%

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DCB-specimen loaded with uneven bending moments

et al. 2006

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A double cantilever beam specimen loaded with uneven bending moments (DCB-UBM) is proposed for mixed mode fracture mechanics characterisation of adhesive joints, laminates and multilayers. A linear elastic fracture mechanics analysis gives the energy release rate and mode mixity analytically for both isotropic and orthotropic materials. By varying the ratio between the two applied moments, the crack tip stress state can be varied from pure mode I to pure mode II for the same specimen geometry. The specimen allows stable crack growth. A special test fixture is developed to create uneven bending moments. As a preliminary example, the DCB-UBM specimen was used for characterising fracture of adhesive joints between two laminates of thermoset glass fibre reinforced plastic.

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Section: Drawbacks and Advantages Of The Dcb-ubm Test Specimenmentioning

confidence: 78%

Section: A Case Study: Strength Of Adhesive Joints In Polymer Matrix mentioning

confidence: 98%

Section: Drawbacks and Advantages Of The Dcb-ubm Test Specimenmentioning

confidence: 99%

Section: Acknowledgementsmentioning

confidence: 99%

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DCB-specimen loaded with uneven bending moments

et al. 2006

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“…As Refs. [50,51] observed for other visco-elastic materials such as epoxy adhesives, continuous loading of a crack in low-speed testing caused significant crack growth at much lower loads than at higher strain rates. The phenomenon is similar to the creep damage accumulation and cracking seen in solder joints subject to fatigue at different stress ratios [52].…”

Section: Dcbmentioning

confidence: 91%