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作者:Marcelo Paredes , Tomasz Wierzbicki , Christian C. Roth
来源:[J].International Journal of Impact Engineering(IF 1.681), 2015, Vol.86, pp.27-39Elsevier
摘要:Abstract(#br)When a long slender structure such as a wire, strut or rope is loaded under tension all the way to fracture, upon failure an elastic unloading wave propagates down the wire and reflects as a compressive wave from the distant clamp end. The compressive effect of ...
作者:Marcelo Paredes , Claudio Ruggieri
来源:[J].International Journal of Pressure Vessels and Piping(IF 0.932), 2015, Vol.125, pp.49-65Elsevier
摘要:Abstract(#br)The current investigation pursues extending the applicability of fully plastic solutions for J -integral and crack-tip opening displacement (CTOD), originally cataloged in a series of handbooks (also known as EPRI handbooks), in defective girth weld pipes subjec...
作者:Marcelo Paredes , Tomasz Wierzbicki , Paul Zelenak
来源:[J].Engineering Fracture Mechanics(IF 1.413), 2016, Vol.168, pp.92-111Elsevier
摘要:Abstract(#br)The present work deals with the concept of post-initiation softening applied to ductile crack initiation and propagation problems in thick structural components such as pre-cracked pipes and fracture specimens. The methodology includes a set of calibration steps to d...
作者:Marcelo Paredes , Tomasz Wierzbicki , Paul Zelenak
来源:[J].Engineering Fracture Mechanics(IF 1.413), 2016, Vol.168, pp.92-111Elsevier
摘要:Abstract(#br)The present work deals with the concept of post-initiation softening applied to ductile crack initiation and propagation problems in thick structural components such as pre-cracked pipes and fracture specimens. The methodology includes a set of calibration steps to d...
作者:Marcelo Paredes , Diego F.B. Sarzosa ...
来源:[J].Theoretical and Applied Fracture Mechanics(IF 0.628), 2017Elsevier
摘要:Abstract(#br)The objective of the present work is to incorporate the effect of post-failure softening on fracture initiation modeling of steel alloy TC128 commonly used in railroad tank car manufacturing. The fracture initiation process is determined through a comprehensive mecha...
作者:Marcelo Paredes , Tomasz Wierzbicki ...
来源:[J].International Journal of Mechanical Sciences(IF 1.613), 2016, Vol.118, pp.205-218Elsevier
摘要:Abstract(#br)In the present work a comprehensive experimental/numerical study on a 6060 T6 bumper profile subjected to combined shear-compression (shear-punch test) load is carried out. A set of key plasticity and fracture parameters to predict correctly the mechanical response o...
作者:Marcelo Paredes , Tomasz Wierzbicki ...
来源:[J].International Journal of Mechanical Sciences(IF 1.613), 2016, Vol.118, pp.205-218Elsevier
摘要:Abstract(#br)In the present work a comprehensive experimental/numerical study on a 6060 T6 bumper profile subjected to combined shear-compression (shear-punch test) load is carried out. A set of key plasticity and fracture parameters to predict correctly the mechanical response o...
作者:Marcelo Paredes , Claudio Ruggieri
来源:[J].Engineering Fracture Mechanics(IF 1.413), 2012, Vol.89, pp.24-39Elsevier
摘要:Abstract(#br)This work examines the effect of weld strength mismatch on J and CTOD fracture parameters using single edge notch tension (SE(T)) specimens. A central objective of the study is to enlarge on previous J and CTOD estimation procedures based upon plastic eta factor...

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