@article{MTMT:2635071,
	title = {Over-leg bending test for mixed-mode I/II interlaminar fracture in composite laminates},
	url = {https://m2.mtmt.hu/api/publication/2635071},
	author = {Szekrényes, András and Uj, József},
	doi = {10.1177/1056789507060774},
	journal-iso = {INT J DAMAGE MECH},
	journal = {INTERNATIONAL JOURNAL OF DAMAGE MECHANICS},
	volume = {16},
	unique-id = {2635071},
	issn = {1056-7895},
	abstract = {In this work the over-leg bending (OLB) specimen is developed for
		mixed-mode I/II delamination characterization in composites. The
		traditional single-leg bending (SLB) specimen is modified by
		introducing the load eccentrically between the two supports of a
		three-point bending setup. The modified configuration is analyzed by
		using linear beam theories. The theories of transverse shear,
		Winkler-Pasternak- type elastic foundation, Saint-Venant effect, and
		crack tip shear deformation are incorporated in the analysis. Also,
		experiments are carried out on glass/polyester unidirectional
		specimens. Comparison between the results of analysis and experiment
		shows very good agreement. The traditional SLB and the novel OLB
		coupons are compared, and their advantages and drawbacks are
		highlighted. The newly developed OLB setup is relatively easier to
		perform and crack propagation may be simply investigated under
		displacement control.},
	year = {2007},
	eissn = {1530-7921},
	pages = {5-33},
	orcid-numbers = {Szekrényes, András/0000-0002-2018-4471}
}

@article{MTMT:2635067,
	title = {Comparison of some improved solutions for mixed-mode composite delamination coupons},
	url = {https://m2.mtmt.hu/api/publication/2635067},
	author = {Szekrényes, András and Uj, József},
	doi = {10.1016/j.compstruct.2005.01.002},
	journal-iso = {COMPOS STRUCT},
	journal = {COMPOSITE STRUCTURES},
	volume = {72},
	unique-id = {2635067},
	issn = {0263-8223},
	abstract = {Four different solutions for the energy release rate of orthotropic,
		beam-like fracture specimens were compared in the present work. Two
		beam theory-based approaches were utilized. The current authors
		developed one of them, the other one was previously published in the
		literature. A model based on refined plate theory was also considered.
		Finally equations based on a numerical calibration technique were
		utilized as a fourth solution. These solutions were extended for the
		case of composite double-cantilever beam, end-loaded split, single-leg
		bending and mixed-mode bending fracture specimens. Comparison between
		the different solutions shows somewhat distinct results, especially for
		the mode ratio. There are some explanations for the experienced
		discrepancies between the mentioned solutions. (c) 2005 Elsevier Ltd.
		All rights reserved.},
	year = {2006},
	eissn = {1879-1085},
	pages = {321-329},
	orcid-numbers = {Szekrényes, András/0000-0002-2018-4471}
}

@mastersthesis{MTMT:2564696,
	title = {Delamination of composite specimens},
	url = {https://m2.mtmt.hu/api/publication/2564696},
	author = {Szekrényes, András},
	publisher = {Budapest University of Technology and Economics},
	unique-id = {2564696},
	year = {2005},
	orcid-numbers = {Szekrényes, András/0000-0002-2018-4471}
}

@article{MTMT:2635066,
	title = {Mode-II fracture in E-glass-polyester composite},
	url = {https://m2.mtmt.hu/api/publication/2635066},
	author = {Szekrényes, András and Uj, József},
	doi = {10.1177/0021998305051120},
	journal-iso = {J COMPOS MATER},
	journal = {JOURNAL OF COMPOSITE MATERIALS},
	volume = {39},
	unique-id = {2635066},
	issn = {0021-9983},
	abstract = {In this work a novel beam analysis of the end-loaded split (ELS) and
		over-notched flexure (ONF) specimens are presented. New compliance and
		strain energy release rate equations are developed incorporating crack
		tip deformation and transverse shear analysis. The Saint Venant effect
		at the clamped end of the ELS specimen is also considered.
		Unidirectional glass-polyester specimens are manufactured and
		experimental (initiation and propagation) tests are performed to
		confirm the theoretical models. The experimental data is evaluated by
		means of four reduction techniques: the exact beam theory, virtual
		crack closure technique, compliance calibration method, and direct beam
		theory. It is shown that the results by the four methods agree quite
		closely; however, the compliance calibration method is not recommended
		for initiation data reduction in the case of the ONF specimen. The ELS
		specimens suffer from relatively large displacements. Thus, propagation
		tests are not possible to be performed. The ONF test seems to be a
		better tool to evaluate the mode-II toughness of composite materials
		with low flexural modulus.},
	year = {2005},
	eissn = {1530-793X},
	pages = {1747-1768},
	orcid-numbers = {Szekrényes, András/0000-0002-2018-4471}
}

@article{MTMT:2635064,
	title = {Beam and finite element analysis of quasi-unidirectional composite SLB and ELS specimens},
	url = {https://m2.mtmt.hu/api/publication/2635064},
	author = {Szekrényes, András and Uj, József},
	doi = {10.1016/j.compscitech.2004.05.002},
	journal-iso = {COMPOS SCI TECHNOL},
	journal = {COMPOSITES SCIENCE AND TECHNOLOGY},
	volume = {64},
	unique-id = {2635064},
	issn = {0266-3538},
	abstract = {The mixed-mode I/II delamination problem in composite specimens was
		investigated using closed-from solutions, the finite element technique
		and experiments. Unidirectional glass/polyester composite laminates
		were manufactured and tested. The mixed-mode I/II SLB and ELS specimen
		configurations were used in order to obtain compliance and fracture
		energy predictions. Linear beam theories incorporating transverse shear
		and elastic foundation effects were utilized to calculate the
		displacements of both the SLB and ELS specimens. The compliance and
		fracture energy was calculated as the superposition of the various
		contributions. Plane stress finite element models including some
		accompanying effects were constructed. The analytical and numerical
		results were compared with the experiments and very good agreement was
		found. (C) 2004 Elsevier Ltd. All rights reserved.},
	year = {2004},
	eissn = {1879-1050},
	pages = {2393-2406},
	orcid-numbers = {Szekrényes, András/0000-0002-2018-4471}
}