scholarly journals Effect of interface surface design on the fracture behavior of bilayered composites

2019 ◽  
Vol 127 (3) ◽  
pp. 276-284
Author(s):  
Tarek A. Omran ◽  
Sufyan Garoushi ◽  
Lippo V. Lassila ◽  
Pekka K. Vallittu
Keyword(s):  
Fracture Behavior ◽  
Surface Design ◽  
Interface Surface

Fracture Behavior of AZ31-xCa (x=0, 0.7, 2.0 wt.%) Extrudes during Compression

2010 ◽  
Vol 48 (1) ◽  
pp. 85-89 ◽  
Author(s):  
Na Eun Kang ◽  
Chang Dong Yim ◽  
Bong Sun You ◽  
Ik Min Park
Keyword(s):  
Fracture Behavior

Method of first integrals and interface, surface waves

2010 ◽  
Vol 32 (2) ◽  
pp. 107-120
Author(s):  
Pham Chi Vinh ◽  
Trinh Thi Thanh Hue ◽  
Dinh Van Quang ◽  
Nguyen Thi Khanh Linh ◽  
Nguyen Thi Nam
Keyword(s):  
Rayleigh Waves ◽  
Displacement Vector ◽  
Attenuation Factor ◽  
Electrical Potential ◽  
Polarization Vector ◽  
First Integrals ◽  
Dispersion Equations ◽  
Interface Surface ◽  
Electric Induction ◽  
The One

The method of first integrals (MFI) based on the equation of motion for the displacement vector, or  based on the one for the traction vector was introduced  recently in order to find explicit secular equations of Rayleigh waves whose characteristic equations (i.e the equations determining the attenuation factor) are fully quartic or are of higher order (then the classical approach is not applicable). In this paper it is shown that, not only to Rayleigh waves,  the MFI can be applicable also to other waves by running it on the equations for mixed vectors. In particular: (i) By applying the MFI  to the equations for the displacement-traction vector we get the explicit dispersion equations of Stoneley waves in twinned crystals (ii)  Running the MFI on the equations for the traction-electric induction vector and the traction-electrical potential vector provides the explicit dispersion equations of SH-waves in piezoelastic materials. The obtained dispersion equations are identical with the ones previously derived using the method of polarization vector, but the procedure of driving them is more simple.

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