Academic literature on the topic 'Energy strain release rate'

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Journal articles on the topic "Energy strain release rate"

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Chen, X. F., and C. L. Chow. "On Damage Strain Energy Release Rate Y." International Journal of Damage Mechanics 4, no. 3 (July 1995): 251–63. http://dx.doi.org/10.1177/105678959500400304.

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LU, Zhiguo, Wenjun JU, Fuqiang GAO, Youliang FENG, Zhuoyue SUN, Hao WANG, and Kang YI. "A New Bursting Liability Evaluation Index for Coal –The Effective Elastic Strain Energy Release Rate." Energies 12, no. 19 (September 30, 2019): 3734. http://dx.doi.org/10.3390/en12193734.

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Because both faults and cleats exist in coal, sharp stress drops occur during loading when coal is deformed. These drops occur during the pre-peak stage and are accompanied by sudden energy releases. After a stress drop, the stress climbs slowly following a zigzag path and the energy accumulated during the pre-peak stage is unstable. A stress–strain curve is the basic tool used to evaluate the bursting liability of coal. Based on energy accumulation in an unsteady state, the pre-peak stress–strain curve is divided into three stages: pre-extreme, stress drop, and re-rising stage. The energy evolution of the specimen during each stage is analyzed. In this paper, an index called the effective elastic strain energy release rate (EESERR) index is proposed and used to evaluate the coal’s bursting liability. The paper shows that the propagation and coalescence of cracks is accompanied by energy release. The stress climb following a zigzag path prolongs the plastic deformation stage. This causes a significant difference between the work done by a hydraulic press during a laboratory uniaxial compression experiment and the elastic strain energy stored in the specimen during the experiment, so the evaluation result of the burst energy index would be too high. The determination of bursting liability is a comprehensive evaluation of the elastic strain energy accumulated in coal that is released when the specimen is damaged. The index proposed in this paper fully integrates the energy evolution of coal samples being damaged by loading, the amount of elastic strain energy released during the sample failure divided by the failure time is the energy release rate. The calculation method is simplified so that the uniaxial compressive strength and elastic modulus are included which makes the new index more universal and comprehensive. Theoretical analysis and physical compression experiments validate the reliability of the evaluation.
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Knees, Dorothee, and Alexander Mielke. "On the Energy Release Rate in Finite–Strain Elasticity." Mechanics of Advanced Materials and Structures 15, no. 6-7 (August 2008): 421–27. http://dx.doi.org/10.1080/15376490802138310.

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Knees, Dorothee, and Alexander Mielke. "Energy release rate for cracks in finite-strain elasticity." Mathematical Methods in the Applied Sciences 31, no. 5 (2008): 501–28. http://dx.doi.org/10.1002/mma.922.

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Pandey, R. K., and C. T. Sun. "Calculating Strain Energy Release Rate in Cracked Orthotropic Beams." Journal of Thermoplastic Composite Materials 9, no. 4 (October 1996): 381–95. http://dx.doi.org/10.1177/089270579600900406.

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De Roeck, G., and M. M. Abdel Wahab. "Strain energy release rate formulae for 3D finite element." Engineering Fracture Mechanics 50, no. 4 (March 1995): 569–80. http://dx.doi.org/10.1016/0013-7944(94)00232-7.

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Akdag, Selahattin, Murat Karakus, Giang D. Nguyen, and Abbas Taheri. "Strain burst vulnerability criterion based on energy-release rate." Engineering Fracture Mechanics 237 (October 2020): 107232. http://dx.doi.org/10.1016/j.engfracmech.2020.107232.

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Rizov, Victor Iliev. "Influence of Creep on Longitudinal Fracture of Inhomogeneous Rod Loaded in Torsion and Bending." Materials Science Forum 1046 (September 22, 2021): 9–14. http://dx.doi.org/10.4028/www.scientific.net/msf.1046.9.

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The present paper analyzes the influence of creep on longitudinal fracture in continuously inhomogeneous rod of circular cross-section loaded in torsion and bending. The rod exhibits continuous material inhomogeneity in both radial and longitudinal directions. The creep is described by using non-linear time-dependent relations between the principle stresses and strains. A time-dependent solution to the strain energy release rate is derived by analyzing the complementary strain energy. The time-dependent strain energy release rate is found also by considering the energy balance for verification. The solutions are applied to perform a parametric study of the strain energy release rate under creep.
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Zheng, Weiling, and Christos Kassapoglou. "Energy method for the calculation of the energy release rate of delamination in composite beams." Journal of Composite Materials 53, no. 4 (July 5, 2018): 425–43. http://dx.doi.org/10.1177/0021998318785952.

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An energy method based on beam theory is proposed to determine the strain energy release rate of an existing crack in composite laminates. The developed analytical method was implemented in isotropic materials, and the obtained strain energy release rate of a crack was validated by reference results and finite element solutions. The general behavior of crack growth on the left or right crack tip was evaluated, and basic trends leading to crack propagation to one side of the crack were established. A correction factor was introduced to improve the accuracy of the strain energy release rate for small cracks. The singularity at the crack tip caused by dissimilar materials was investigated and was found that the inclusion of the singularity effect could increase the accuracy for small cracks. The calculated strain energy release rate of a crack in a composite beam has been verified by comparing with a finite element model.
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Crews, J. H., K. N. Shivakumar, and I. S. Raju. "Strain energy release rate distributions for double cantilever beam specimens." AIAA Journal 29, no. 10 (October 1991): 1686–91. http://dx.doi.org/10.2514/3.10791.

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Dissertations / Theses on the topic "Energy strain release rate"

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Vijayaraghavan, Rajesh. "Statistical estimation of strain energy release rate of delaminated composites." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4965.

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Thesis (M.S.)--West Virginia University, 2006.
Title from document title page. Document formatted into pages; contains xv, 133 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 126-133).
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Lai, Yeh-Hung. "The constrained blister - a nearly constant strain energy release rate test for adhesives." Thesis, Virginia Tech, 1988. http://hdl.handle.net/10919/44077.

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This study developed and analyzed a modification of the blister test permitting nearly constant strain energy release rate testing of adhesive bonds. The work consisted of three parts; (1) development of the testing technique to evaluate strain energy release rate and to record the time dependent nature of the fracture process, (2) numerical analysis of the constrained blister test to determine the applicability of an approximate solution for several materials, and (3) development of an. analytical technique to evaluate the strain energy release rate for relatively stiff specimens.


Master of Science
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Chadegani, Alireza. "Strain energy release rate analysis of adhesive-bonded composite joints with a prescribed interlaminar crack." Thesis, Wichita State University, 2008. http://hdl.handle.net/10057/2023.

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Composite materials together with adhesive-bonding have been increasingly used in the aviation industry. Delamination is among the critical failure modes in fiber-reinforced laminated composite structures including adhesive-bonded assemblies. This thesis presents an analytical approach by taking into account the first-ply failure in adhesive-bonded composite joints subjected to axial tension. The ASTM D3165 standard test specimen geometry is followed for model development derivations. The field equations, in terms of displacements within the joint, are formulated by using the first-order, shear-deformable, laminated plate theory together with kinematics relations and force equilibrium conditions. The stress distributions for the adherends and adhesive are determined after the appropriate boundary and loading conditions are applied and the equations for the field displacements are solved. The equivalent forces at the tip of the prescribed interlaminar crack are obtained based on interlaminar stress distributions. The strain energy release rate of the crack is then determined by using the virtual crack closure technique (VCCT). The system of second-order differential field equations is solved to provide the adherend and adhesive stresses using the symbolic computation tool, Maple 9.52. Finite element analyses using the J-integral as well as the VCCT are performed to verify the developed analytical model. Finite element analyses are conducted using the commercial finite element analysis software ABAQUS 6.5-1. Results determined using the analytical method are shown to correlate well with the results from the finite element analyses.
Thesis [M.S] - Wichita State University, College of Engineering, Dept. of Aerospace Engineering
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Chadegani, Alireza Yang Charles. "Strain energy release rate analysis of adhesive-bonded composite joints with a prescribed interlaminar crack." A link to full text of this thesis in SOAR, 2008. http://hdl.handle.net/10057/2023.

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Mokarem, David W. "Environmental Influence on the Bond Between a Polymer Concrete Overlay and an Aluminum Substrate." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/31700.

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Chloride ion induced corrosion of reinforcing steel in concrete bridge decks has become a major problem in the United States. Latex modified concrete (LMC), low slump dense concrete (LSDC) and hot-mix asphalt membranes (HMAM) overlays are currently some of the most used rehabilitation methods. Epoxy coated reinforcing steel (ECR) was developed and promoted as a long term corrosion protection method by the Federal Highway Administration (FHWA). However, recent evidence has suggested that ECR will not provide adequate long term corrosion protection. The Reynolds Metals Company has developed an aluminum bridge deck system as a proposed alternative to conventional reinforced steel bridge deck systems. The deck consists of a polymer concrete overlay and an aluminum substrate. The purpose of this investigation is to evaluate the bond durability between the overlay and the aluminum substrate after conditioning specimens in various temperature and humidity conditions. The average critical strain energy release rate, Gcr, for each specimen was measured using a modified mixed mode flexure (MMF) test. In this investigation the strain energy release rate is a measure of the fracture toughness of the interface between the polymer concrete overlay and the aluminum substrate. The different environmental conditionings all had a significant effect on the bond durability. Specimens conditioned at 30 degrees C [86 degrees F], 45 degrees C [113 degrees F] and 60 degrees C [140 degrees F] at 98 % relative humidity all showed a decrease in interfacial bond strength after conditioning. A decrease in the interfacial bond strength was also observed for the specimens conditioned in freezing and thawing cycles as well as specimens conditioned in a salt water soak. Of the exposure conditions used in this investigation, the only one that showed an increase in the bond strength was drying the specimens continuously in an oven at 60 degrees C [140 degrees F].
Master of Science
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Salado, Martinez Freddie Antonio. "Assessment of Fracture Resistance of Asphalt Overlays through Heavy Vehicle Simulator and Laboratory Testing: Synthetic Fiber and Rubber Modified SMA Mixes." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/98576.

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Road administrators have to make decisions regarding the maintenance and rehabilitation of many existing jointed Portland Cement Concrete (PCC) pavements in the road network. Since these pavements are in general expensive to rehabilitate, agencies often opt for overlaying the deteriorated PCC pavement with Hot Mix Asphalt (HMA), resulting in a composite pavement. Unfortunately, the tensile stresses and strains at the bottom of the overlay developed from the movement of the joints, which are caused by the traffic and the changes in temperature, will create cracks on the surface known as reflective cracking. Reflective cracking can reduce the life of a pavement by allowing water or other particles to get into the underlying layers, which causes the pavement structure to lose strength. To improve the performance of the composite pavement, road agencies have studied mitigations techniques to delay the initiation and propagation of those cracks reflected from the PCC joints and cracks. Traditionally, these studies have relied only on laboratory testing or nondestructive tests. This dissertation expands the traditional approach by adding full-scale Accelerate Pavement Testing (APT) to a laboratory effort to investigate enhanced asphalt overlays that delay the initiation and propagation of cracks reflected from the PCC joints. The study was organized into three complementary experiments. The first experiment included the first reflective cracking study of hot-mix asphalt (HMA) overlays over jointed Portland cement concrete pavements (PCCP) conducted at the Virginia APT facility. A Heavy Vehicle Simulator (HVS) was used to compare the reflective cracking performance of a Stone Matrix Asphalt (SMA) control mix with a modified mix with a synthetic fiber. The discussion includes the characterization of the asphalt mixes, the pavement structure, construction layout, the equipment used, the instrumentation installed, and lessons learned. Results showed that the fiber-modified mix had a higher resistance to fracture, which increases the pavement life by approximately 50%. The second experiment compared the cracking resistance of the same control and modified mixes in the laboratory. Four cracking resistance tests were performed on each mix. These four tests are: (1) Indirect Tensile Asphalt Cracking Test (IDEAL-CT), which measures the Cracking Test index (CTindex); (2) Semicircular Bend Test-Illinois (SCB-IL), which measures the critical strain energy release rate (Jc); (3) Semicircular Bend-Louisiana Transportation Research Center (SCB-LTRC), which measures the Flexibility Index (FI); and (4) Overlay Test (OT), which measures the Cracking Propagation Rate (CPR). The results from the four tests showed that the fiber-modified mix had a better resistance to cracking, confirming the APT test results. The laboratory assessment also suggested that the IDEAL-CT and SCB-IL test appear to be the most practical for implementation. The third phase evaluated the performance of mixes designed with a high content of Reclaimed Asphalt Pavement (RAP) and an enhanced asphalt-rubber extender, which comprises three primary components: plain soft bitumen, fine crumb rubber and an Activated Mineral Binder Stabilizer (AMBS). The experiment evaluated the fracture resistance of nine mixes designed with different rates of recycled asphalt pavement (RAP) and asphalt-rubber, compare them with a traditional mix, and propose an optimized mixture for use in overlays of concrete pavements. The mixes were designed with different rates of RAP (15, 30, 45%) and asphalt-rubber extender (0, 30, and 45%) following generally, the design requirements for an SMA mix in Virginia. The laboratory test recommended in the second experiment, IDEAL-CT and SCB-IL, were used to determine the fracture resistance of the mixes. The results showed that the addition of RAP decreases fracture resistance, but the asphalt-rubber extender improves it. A mix designed that replaced 30% of the binder with asphalt-rubber extender and 15% RAP had the highest resistance to fracture according to both. Also, as expected, all the mixed had a low susceptibility to rutting.
Doctor of Philosophy
Reflective cracking can reduce the life of a pavement by allowing water or other particles to get into the underlying layers, which causes the pavement structure to lose strength. To improve the performance of the composite pavement, road agencies have studied mitigations techniques that will delay the initiation and propagation of those cracks reflected from the PCC joints. Traditionally, these studies rely only on laboratory testing or nondestructive tests that will assist in the decision-making stage in a short time manner. This dissertation focusses on a reflective cracking study conducted through Accelerate Pavement Testing (APT) using a Heavy Vehicle Simulator (HVS) and laboratory testing. The first task used an HVS to evaluate reflective cracking of a Stone Matrix Asphalt (SMA) control mix and a modified mix with synthetic fiber. One lane was constructed with two layers of 1.5-inches of a control Stone Matrix Asphalt (SMA) mix and the second lane with an SMA mix modified with the synthetic fiber. Results from APT demonstrated that the modified SMA has a higher resistance to fracture which increases the pavement life by approximately 50%. The second task estimated the fracture resistance of the mixes studied in task one following the laboratory test: Indirect Tension Asphalt Cracking Test (IDEAL-CT), Texas Overlay Test (OT), Semi-Circular Bend-Louisiana Transportation Research Center (SCB-LTRC) and Semi-Circular Bend-Illinois (SCB-IL) to estimate the Cracking Test Index (CTindex), Cracking Propagation Rate (CPR), critical strain energy release rate (Jc) and Flexibility Index (FI), respectively. Results showed that the modified mix had a better resistance to cracking, confirming the APT test results. Specifically, CTindex results showed that the modified mix is more resistant than the control, with indices of 268.72 and 67.86. The estimated Jc indicated that less energy is required to initiate a crack for the control mix that achieved 0.48 kJ/m2 compared to the modified mix with synthetic fibers 0.54 kJ/m2. FI results for the control and fibers were 2.16 and 10.71, respectively. The calculated CPR showed that the control mix propagates a crack at a higher rate of 0.188 compared to the modified mix with a CPR of 0.152. The third phase evaluated the performance of mixes designed with a high content of Reclaimed Asphalt Pavement (RAP) and an enhanced asphalt-rubber extender, which comprises three primary components: plain soft bitumen, fine crumb rubber and an Activated Mineral Binder Stabilizer (AMBS). The experiment evaluated the fracture resistance of nine mixes designed with different rates of recycled asphalt pavement (RAP) and asphalt-rubber, compare them with a traditional mix, and propose an optimized mixture for use in overlays of concrete pavements. The mixes were designed with different rates of RAP (15, 30, 45%) and asphalt-rubber extender (0, 30, and 45%) following generally, the design requirements for an SMA mix in Virginia. The laboratory test recommended in the second experiment, IDEAL-CT and SCB-IL, were used to determine the fracture resistance of the mixes. The results showed that the addition of RAP decreases fracture resistance, but the asphalt-rubber extender improves it. A mix designed that replaced 30% of the binder with asphalt-rubber extender and 15% RAP had the highest resistance to fracture according to both. Also, as expected, all the mixed had a low susceptibility to rutting.
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Klein, Justin. "A Study of Durability for Elastomeric Fuel Cell Seals and an Examination of Confinement Effects in Elastomeric Joints." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/32666.

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Proton exchange membrane fuel cells typically consist of stacks of membrane electrode assemblies sandwiched between bipolar plates, effectively combining the individual cells in series to achieve the desired voltage levels. Elastomeric gaskets are commonly used between each cell to insure that the reactant gases are isolated; any failure of a fuel cell gasket can cause the reactants to mix, which may lead to failure of the fuel cell. An investigation of the durability of these fuel cell seals was performed by using accelerated characterization methods. A hydrocarbon sealant was tested in five different environments to simulate fuel cell conditions. Viscoelastic properties of these seals were analyzed using momentary and relaxation compressive stress tests. Material properties such as secant modulus at 100% strain, tensile strength, and strain at failure were determined using dog-bone samples aged at several different imposed strains and aging times in environments of interest. Tearing energy was evaluated using trouser test samples tested under different rates and temperatures after various environmental aging conditions. Additionally, tearing tests were conducted on samples tested in liquid environment. A viscoelastic and mechanical property characterization of these elastomeric seals under accelerated aging conditions could help understand the behavior and predict durability in the presence of mechanical and environmental loading. Additionally, the effects of confinement have been evaluated for a bonded joint with varying thickness along the bonded direction. The Dreaming project is a glass art project in Fredrick, MD which incorporates such a varying thickness joint where thermal expansion of the adhesive has caused the glass adherend to break and debonding of the sealant. To examine this joint design, finite element analysis has been used to determine the effects of thermal expansion on such a complex geometry. Nine different test geometries have been evaluated to determine the effect of confinement coupled with thermal expansion on joint design with an elastomeric adhesive. Once evaluated, design changes were performed to try to reduce the loading while maintaining the general joint design. Results of this analysis can be used to determine the effects of confinement on a complex elastomeric joint.
Master of Science
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Zhang, Huiying. "An Evaluation of the Durability of Polymer Concrete Bonds to Aluminum Bridge Decks." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/31655.

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The objective of this study is to evaluate the bond durability of an epoxy-based polymer concrete wearing surface bonded to aluminum bridge decks. In the bridge design, an aluminum alloy bridge deck is used with a polymer concrete wearing surface. A modified mixed mode flexure fracture test was developed to assess the bond durability of specimens aged in the following environmental conditionings: 30°C [86°F], 98% RH; 45°C [113°F], 98% RH; 60°C [140°F], 98% RH; freezing and thawing; salt (NaCl) water soak; and 60°C [140°F], dry. The exposure times varied from none to twelve months. The critical strain energy release rate (Gc) of the bond was determined using a compliance technique. In spite of considerable scatter in the data, the results suggested that the interfacial bond toughness had been degraded by exposure conditions. The aging appeared to affect the polymer concrete overlay (silica aggregates/epoxy bond) as well. Fracture analysis and finite element modeling were completed for linear elastic behavior. Analytical and numerical solutions were in reasonably good agreement. Characterization of the bridge components and failure specimens were accomplished using analytical measurements including thermal gravimetric analysis (TGA), differential scanning calorimetry (DSC), and dynamic mechanical analysis (DMA). Techniques employed in the surface analysis included x-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM).
Master of Science
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Kulkarni, Anish Niranjan. "Energy and Strength-based Criteria for Intralaminar Crack Growth in Regions with High Stress Gradients." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-87384.

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Cross-ply composite laminates can develop very high density of transverse cracks in the 90-layer under severe thermal and mechanical loading conditions. At such high crack densities, two adjacent cracks start to interact, and a stress gradient is created in the region between these cracks. Due to the presence of high stress gradients, thickness averaging of longitudinal stress becomes obsolete. Thus, a detailed analysis of stress state along the thickness direction becomes necessary to study growth conditions of fiber sized microcracks initiated at the interface between 0-layer and 90-layer. Stress analysis at various crack densities is carried out in this project using finite element analysis or FEM as the main tool. This analysis is coupled with strain energy release rate (ERR) studies for a microcrack which grows in transverse direction from one interface to the other. The growth of this microcrack is found to be strongly influenced by the stress gradients and a presence of compressive stresses along midplane under tensile loading conditions at high crack densities.
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Davis, Kedzie. "The effect of cooling rate on toughness and crystallinity in poly(ether ketone ketone) (PEKK)/G30-500 composites." Thesis, This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-09182008-063310/.

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Books on the topic "Energy strain release rate"

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Zimmerman, Richard S. Strain energy release rate as a function of temperature and preloading history utilizing the edge delamination fatigue test method. [Washington, DC: National Aeronautics and Space Administration, 1989.

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Salpekar, Satish A. Combined effect of matrix cracking and stress-free edge on delamination. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1990.

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Li, Jian. Simplified data reduction methods for the ECT test for mode III interlaminar fracture toughness. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1995.

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Blais, Randy. Rockburst control in cut-and-fill mining by monitoring energy release rate. Sudbury, Ont: Laurentian University, School of Engineering, 1986.

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N, Shivakumar K., and Langley Research Center, eds. Strain-energy release rate analysis of a laminate with a postbuckled delamination. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1987.

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Convergence of strain energy release rate components for edge-delaminated composite laminates. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1987.

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Strain-energy release rate analysis of a laminate with a postbuckled delamination. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1987.

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S, Raju I., O'Brien T. Kevin, Langley Research Center, and United States. Army Aviation Research and Technology Activity., eds. Strain energy release rate analysis of delamination in a tapered laminate subjected to tension load. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1990.

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J, Minguet Pierre, O'Brien T. Kevin, and Langley Research Center, eds. A method for calculating strain energy release rates in preliminary design of composite skin/stringer debonding under multi-axial loading. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1999.

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A method for calculating strain energy release rates in preliminary design of composite skin/stringer debonding under multi-axial loading. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1999.

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Book chapters on the topic "Energy strain release rate"

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Gdoutos, E. E. "Critical Strain Energy Release Rate." In Problems of Fracture Mechanics and Fatigue, 147–53. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-2774-7_33.

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Gdoutos, E. E. "Strain Energy Release Rate for the Blister Test." In Problems of Fracture Mechanics and Fatigue, 139–41. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-2774-7_31.

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Gdoutos, E. E. "Strain Energy Release Rate for the Short Rod Specimen." In Problems of Fracture Mechanics and Fatigue, 135–37. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-2774-7_30.

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Gordić, M. V., I. M. Djordjević, D. R. Sekulić, Z. S. Petrović, and M. M. Stevanović. "Delamination Strain Energy Release Rate in Carbon Fiber/Epoxy Resin Composites." In Materials Science Forum, 515–19. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-441-3.515.

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Gdoutos, E. E. "Calculation of Stress Intensity Factors Based on Strain Energy Release Rate." In Problems of Fracture Mechanics and Fatigue, 143–46. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-2774-7_32.

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Gdoutos, E. E. "Strain Energy Release Rate for a Semi-Infinite Plate with a Crack." In Problems of Fracture Mechanics and Fatigue, 131–34. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-2774-7_29.

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Konsta-Gdoutos, M. S. "Calculation of Strain Energy Release Rate from Load — Displacement — Crack Area Equation." In Problems of Fracture Mechanics and Fatigue, 117–20. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-2774-7_26.

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Her, Shiuh Chuan, and Wei-Bo Su. "The Strain Energy Release Rate of a Bi-Material Beam with Interfacial Crack." In Fracture and Strength of Solids VI, 369–74. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-989-x.369.

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Zhang, Xi, and Yiu-Wing Mai. "Multi-Scale Energy Release Rate in Dynamic Crack Growth of Strain-Softening Materials." In IUTAM Symposium on Analytical and Computational Fracture Mechanics of Non-Homogeneous Materials, 281–92. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-017-0081-8_31.

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Gdoutos, E. E. "Calculation of Strain Energy Release Rate for Deformation Modes I, II and III." In Problems of Fracture Mechanics and Fatigue, 121–25. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-2774-7_27.

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Conference papers on the topic "Energy strain release rate"

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FORTSON, BRYAN. "A strain energy release rate model for laminated composite beams." In 29th Aerospace Sciences Meeting. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1991. http://dx.doi.org/10.2514/6.1991-193.

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Mousavi, Arash Kheyraddini, Seyedhamidreza Alaie, Maheshwar R. Kashamolla, and Zayd Chad Leseman. "Nonlinear Approach for Strain Energy Release Rate in Micro Cantilevers." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38905.

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Abstract:
An analytical Mixed Mode I & II crack propagation model is used to analyze the experimental results of stiction failed micro cantilevers on a rigid substrate and to determine the critical strain energy release rate (adhesion energy). Using nonlinear beam deflection theory, the shape of the beam being peeled off of a rigid substrate can be accurately modeled. Results show that the model can fit the experimental data with an average root mean square error of less than 5 ran even at relatively large deflections which happens in some MEMS applications. The effects of surface roughness and/or debris are also explored and contrasted with perfectly (atomically) flat surfaces. Herein it is shown that unlike the macro-scale crack propagation tests, the surface roughness and debris trapped between the micro cantilever and the substrate can drastically effect the energy associated with creating unit new surface areas and also leads to some interesting phenomena. The polysilicon micro cantilever samples used, were fabricated by SUMMIT V™ technology in Sandia National Laboratories and were 1000 μm long, 30 μm wide and 2.6 μm thick.
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SUN, C., and R. PANDEY. "A METHOD FOR CALCULATING STRAIN ENERGY RELEASE RATE BASED ON BEAM THEORY." In 34th Structures, Structural Dynamics and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1993. http://dx.doi.org/10.2514/6.1993-1454.

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Sankar, B., and V. Sonik. "Strain energy release rate distribution along a delamination front using plate theories." In 35th Structures, Structural Dynamics, and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1994. http://dx.doi.org/10.2514/6.1994-1398.

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Kuo, W., and W. Chan. "An approximate expression of strain energy release rate for delamination in composite laminates." In 41st Structures, Structural Dynamics, and Materials Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2000. http://dx.doi.org/10.2514/6.2000-1613.

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STAPLETON, SCOTT E., SARA NAJAFIAN, BERTRAM STIER, STEPHEN JONES, ANDREW BERGAN, and BRETT A. BEDNARCYK. "Strain Energy Release Rate Calculations of Adhesively Bonded Joints Using Spring Foundation Models." In American Society for Composites 2019. Lancaster, PA: DEStech Publications, Inc., 2019. http://dx.doi.org/10.12783/asc34/31292.

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ENJUTO, PATRICK, and GERALD MABSON. "Closed-Form Mixed-Mode Strain Energy Release Rate Expressions for Unidirectional Laminate Configurations." In American Society for Composites 2018. Lancaster, PA: DEStech Publications, Inc., 2018. http://dx.doi.org/10.12783/asc33/26094.

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HARBERT, S., and H. HOGAN. "Strain energy release rates in straight and curved notched compositebeams." In 32nd Structures, Structural Dynamics, and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1991. http://dx.doi.org/10.2514/6.1991-1027.

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Chadegani, Alireza, Chihdar Charles Yang, and Eugene Dan-Jumbo. "Strain Energy Release Rate Analysis of Adhesive-Bonded Composite Joints with a Prescribed Interlaminar Crack." In 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
16th AIAA/ASME/AHS Adaptive Structures Conference
10t
. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-1846.

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Enjuto, Patrick, Gerald E. Mabson, and Mark Lobo. "Verification of Closed-Form Mixed-Mode Strain Energy Release Rate Expressions for Unidirectional Laminate Configurations." In AIAA Scitech 2019 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2019. http://dx.doi.org/10.2514/6.2019-1042.

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Reports on the topic "Energy strain release rate"

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Leadore, Michael G. Mechanical Response of Future Combat Systems (FCS) High-Energy Gun Propellants at High-Strain Rate. Fort Belvoir, VA: Defense Technical Information Center, June 2002. http://dx.doi.org/10.21236/ada402939.

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Schovanec, L., and J. R. Walton. The Energy Release Rate for a Quasi-Static Mode I Crack in a Nonhomogeneous Linearly Viscoelastic Body. Fort Belvoir, VA: Defense Technical Information Center, September 1986. http://dx.doi.org/10.21236/ada175184.

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3

Herrmann, J. M., and J. R. Walton. On the Energy Release Rate for Dynamic Transient Anti-Plane Shear Crack Propagation in a General Linear Viscoelastic Body. Fort Belvoir, VA: Defense Technical Information Center, September 1988. http://dx.doi.org/10.21236/ada202942.

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Chen, I.-Chia. Photofragmentation of ketene to CH sub 2 ( tilde X sup 3 B sub 1 ) + CO: Dissociation rate, energy release and exit barrier height. Office of Scientific and Technical Information (OSTI), February 1989. http://dx.doi.org/10.2172/5417629.

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