نتایج جستجو برای: strain rate sandwich composites

تعداد نتایج: 1206895  

2010
Jing Qiao Kristin Schaaf Alireza V. Amirkhizi Sia Nemat-Nasser

Fly ash, which consists of hollow particles with porous shells, was introduced into polyurea elastomer. A one-step method was chosen to fabricate pure polyurea and the polyurea matrix for the composites based on Isonate® 2143L (diisocyanate) and Versalink® P-1000 (diamine). Scanning electron microscopy was used to observe the fracture surfaces of the composites. Particle size and volume fractio...

Journal: :Journal of Sandwich Structures & Materials 2018

Journal: :Journal of Bio- and Tribo-Corrosion 2016

2013
Hamid Ebrahimi Ashkan Vaziri

The mechanical response and fracture of metal sandwich panels subjected to multiple impulsive pressure loads (shocks) were investigated for panels with honeycomb and folded plate core constructions. The structural performance of panels with specific core configurations under multiple impulsive pressure loads is quantified by the maximum transverse deflection of the face sheets and the core crus...

Journal: :Bioinformatics 2001
Frédéric Tores Emmanuel Barillot

MOTIVATION Giving a meaningful representation of a pedigree is not obvious when it includes consanguinity loops, individuals with multiple mates or several related families. RESULTS We show that finding a perfectly meaningful representation of a pedigree is equivalent to the interval graph sandwich problem and we propose an algorithm for drawing pedigrees.

2001
Tetsushi Kanda Zhong Lin Victor. C. Li

This study proposes a new comprehensive theoretical approach for predicting tensile stress-strain relation of Random Short Fiber Reinforced Cement Composites (RSFRCC) showing Pseudo Strain Hardening (PSH). This approach is grounded on solid basis of micromechanics, which describes PSH phenomenon in terms of constitutive properties of fiber, matrix, and fiber/matrix interface. The proposed model...

Journal: :علوم و تکنولوژی پلیمر 0
احمدرضا قاسمی محمود مهرداد شکریه

a new method for determination of residual stresses in the bottom layers of laminated composites is developed. in this method the residual stresses are determined by performing a consecutive drilling of laminated composites in the center of the rosette and recording the strains after drilling each layer. the depth of the hole in each step is equal to the thickness of each layer and the maximum ...

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