Ductile fracture
Forming Limit Prediction in Bore Expansion by Combination of Finite Element Simulation and Ductile Fracture Criterion
... and ductile fracture ...for ductile fracture. As a result, it was found that the fracture strains derived from the criterion proposed by Cockcroft and Latham 7) gave the best fit to the ...
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Application of Finite Element Method to Analysis of Ductile Fracture Criteria for Punched Cutting Surfaces
... the ductile fracture criteria for the fracture initiation of the cut surface have been proposed by several ...the fracture criteria on the cut surface by tensile tests or bending tests because ...
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Roles of Pre Existing Hydrogen Micropores on Ductile Fracture
... fractions of the dimple patterns originating from the pre- existing hydrogen micropores are 7.7, 28.2 and 16.6% for the regions shown in Fig. 6(b), (c) and (d), respectively. There- fore it can be concluded that at least ...
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Ductile Fracture Prediction of Stir Casted Al 6061 with B4c and Sic
... to balance the volumetric composition we reduce 1% of sic. It is repeated again in next composition. Thus the mechanical property of three alloys is tested by using various methods such as tensile test, Impact test, ...
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An enhanced void-crack based Rousselier damage model for ductile fracture with the XFEM
... for ductile fracture materials by implementing the Rousselier damage model with the extended finite element method ...of ductile material in terms of voids and crack ...in ductile ...
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Ductile Fracture Assessment of Piping Systems Including the Compliance Effects
... In conventional tearing analysis, the through wall circumferential (TWC) cracked pipe is assumed to have free rotation at the ends (infinite compliance of the connected piping) and subjected to the bending load as shown ...
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Ductile Fracture Characterization for Medium Carbon Steel Using Continuum Damage Mechanics
... Ductile fracture is the failure of a solid material due to nucleation, coalescence and growth of cavities induced by plastic deformation. There are several ways, from em- piric relationships [1,2] to porous ...
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Optimal Scaling in Ductile Fracture
... of ductile fracture prop- erties over a limited range of temperatures, strain rates and other relevant operating conditions, and may be entirely lacking under off-normal or extreme conditions and for new ...
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Prediction of forming limit curves (FLD, MSFLD and FLSD) and necking time for SS304L sheet using finite element method and ductile fracture criteria
... using ductile fracture ...by ductile fracture criteria in ABAQUSsoftware and then forming limit curves (FLD, FLSD, MSFLD) of steel 304L were ...
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Rate-dependent ductile fracture under plane strain tension: experiments and simulations
... During high strain rate DHPST tests, performed within a drop weight tower, the limited spatial resolution of the DIC preclude a direct measurement of the e ff ective strain all the way to fracture. Thus, an hybrid ...
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On the Significance of Welded Joints in Ferritic Structures (G287)
... cleavage fracture due to the decreased temperature and/or increased strain rate (that is the DBT of ferritic steels) is connected with the activation of deformation ...the ductile fracture ...
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Modes of hole formation in long lasting insecticidal nets (LLINs) retrieved from South Eastern Ghana
... included ductile fracture, cutting and melting. Ductile fracture and cutting are principally associated with the effects of mechanical stress acting upon the filaments in the net and ...
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Investigation of ductile crack growth and normalization method for SE(T) specimen using finite element analyses
... of ductile materials on microstructural ...by fracture of non-metallic inclusions and by de-cohesion of the inclusion-matrix interface, which was subsequently verified by Puttick [42] and Rogers [43] in ...
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The effect of nitrogen and inclusions on fracture and fatigue of steel
... conditions ductile fracture occurs in tension specimens at approximately 70% reduction in area of the external neck, by the classical ‘cup and cone’ fracture ...true fracture strain sF = ...
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Irradiation effect on structure integrity of bimetallic welds at cryogenic temperatures
... Ductile fracture of metallic materials involves cavity nucleation and void growth to ...of ductile fracture are very promising, since theoretically, they are able to predict the strain to ...
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Evaluation of Facture Criteria Considering Complex Loading Paths in Cobalt Alloy Tube Hydroforming
... of ductile fracture criteria. Cockcroft ductile fracture criterion, Oyane ductile fracture criterion and the modi fi ed Cockcroft criterion were adopted for establishing the ...
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Effect of Boron on the Hot Ductility of Low Carbon Nb Ti Microalloyed Steel
... corresponding fracture surfaces of Nb-Ti-microal- loyed steels tested at ...The fracture surface of sample A1 is characterized by typical intergranular ductile fracture as shown in ...the ...
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Modes of hole formation in long-lasting insecticidal nets (LLINs) retrieved from South Eastern Ghana
... thermal damage. In terms of mechanical damage, break- age of filaments by blunt transverse pressure (ductile fracture) as well as by sharp transverse pressure (cutting) was observed. Polymer melting due to ...
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Effect of Strain Rate and Temperature on Tensile Properties of Bi Based Lead Free Solder
... From fracture surface observation results, it was confirmed that brittle fracture occurs at 25C and the fracture mode changes to ductile fracture when the temperature increases and the ...
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A non-ordinary state-based peridynamics formulation for thermoplastic fracture
... for ductile fracture analysis of thermoplasticity ...with ductile fracture analysis. One of the main feature of ductile fracture in thermomechanical process is its dissipative ...
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