...Richard V. Beblo; Lisa Mauck Weiland Presented are the experimental results of two light activated shape memory polymer (LASMP) formulations. The optical stimulus used to activate the materials is detailed including a mapping of the spatial optical intensity at the surface of the sample. From...

...P. Lhuissier; J.-P. Masse; L. Salvo; Y. Brechet The mechanical behavior of thin sandwich beams with steel faces and porous polymer core have been investigated using quasistatic four-points bending. Classic sandwich models predicting the behavior and the failure modes are improved to fit...

...Min Kyoo Kang; Rui Huang A hydrogel consists of a cross-linked polymer network and solvent molecules. Depending on its chemical and mechanical environment, the polymer network may undergo enormous volume change. The present work develops a general formulation based on a variational approach, which...

... control method in the manufacturing process of powder metal shaped charge liners. 23 07 2009 08 04 2010 03 06 2010 01 07 2010 01 07 2010 compaction gamma-ray absorption manufacturing processes metals nondestructive testing polymers powders Paper No. '10 04...

...A. W. Richards; G. M. Odegard The use of constitutive equations to describe the electromechanical behavior of electrostrictive materials began over 100 years ago. While these equations have been used to model a host of ceramic-based and polymer-based electroactive materials, a fully characterized...

... the Elastic Moduli of Polymeric Thin Films ,” Nature Mater. 1476-1122 , 3 , pp. 545 – 550 . 10.1038/nmat1175 Stafford , C. M. , Vogt , B. D. , Harrison , C. , Julthongpiput , D. , and Huang , R. , 2006 , “ Elastic Moduli of Ultrathin Amorphous Polymer Films...

... 06 2008 09 03 2009 adhesion buckling ceramics cracks elastic moduli friction indentation mechanical contact polymers steel tensile strength Adhesion by surface patterning is a common reversible fixation mechanism in biology. For example, the cordulegastrid dragonfly...

...Richard V. Beblo; Lisa Mauck Weiland Since their development, shape memory polymers (SMPs) have been of increasing interest in active materials and structures design. In particular, there has been a growing interest in SMPs for use in adaptive structures because of their ability to switch between...

... system is constructed to measure the rise in temperature of a polymer during high strain rate compression testing. Temperature measurements were made using a high-speed mercury-cadmium-telluride (HgCdTe) single-element photovoltaic detector sensitive in the mid-infrared spectrum ( 6 – 12 μ m ) , while...

... behavior of a long flexible polymer molecule. In working toward a continuum mean-field model, a central feature is a partial differential equation incorporating the influence of the potential and governing the generating function for the dependence of end to end separation distance of the molecule on its...

... on the process of material structure formation may well become a new approach in development of new generation polymeric materials. Email: ie@fs.uni-lj.si Email: bernd-steffen.bernstorff-von@basf-ag.de 11 02 2005 04 01 2006 polymers polymer structure melt processing...

...Soma Sekhar V. Kandula; Jorge Abanto-Bueno; John Lambros; Philippe H. Geubelle A spatially varying cohesive failure model is used to simulate quasi-static fracture in functionally graded polymers. A key aspect of this paper is that all mechanical properties and cohesive parameters entering...

...M. Weiss; B. F. Rolfe; M. Dingle; J. L. Duncan The shear strain of the interlayer in the elastic regime for a Steel-Polymer-Steel (SPS) laminate material has been studied during bending to a constant curvature. An analytical model is developed and the influence of process parameters are analyzed...

... composites glass polymers inhomogeneous media elastic constants elastic moduli elasticity set theory internal stresses crystal microstructure The higher-order theory for periodic multiphase materials is a recently developed micromechanics model for the response of multiphase materials...

...-tolerant air-beam materials and designs. yarn fabrics micromechanics stress effects polymers crack-edge stress field analysis elastic deformation fracture 24 November 2003 02 April 2004 27 01 2005 Contributed by the Applied Mechanics Division of THE AMERICAN...

... on Morphological, Thermal, and Mechanical Properties of Polypropylene/Nylon-6/Polypropylene-G-Butyl Acrylate Blends ,” Polym. Eng. Sci. 0032-3888 , 36 , pp. 2443 – 2450 . D i inner diameter D outer diameter D max maximum diameter at the cross section D...

... ,” Adv. Polym. Sci. 0065-3195 , 75 , pp. 1 – 32 . Drzal , L. T. , 1990 , “ The Role of the Fiber/Matrix Interphase on Composite Interfaces ,” Vacuum 0042-207X , 41 , pp. 1615 – 1618 . Winter , R. M. , and Houston , J. E. , 1998 , “ Interphase Mechanical Properties...

.... An exploration of the behavior of an actuator composed of a deformable, electroactive polymer is presented based on the formulation of the paper. 06 04 2004 26 08 2004 dielectric polarisation actuators electrostatics electrostriction electrodes mechanical energy storage piezoelectricity...

... buckling shells (structures) laminates sandwich structures elasticity boron polymers graphite shear modulus The need for lightweight, yet stiff and durable structures has made the sandwich composite configuration a leading edge technology with promise for innovative high performance...

... the finite shear stiffness of the load-bearing asperities, in addition to a classical state and rate-dependent friction force. The numerical results are in excellent quantitative agreement with the experimental data obtained from a multicontact frictional system between glassy polymer materials. Simulations...