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Keywords: polymers
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Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2011, 78(6): 061016.
Published Online: August 25, 2011
...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...
Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. January 2011, 78(1): 014504.
Published Online: October 13, 2010
...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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2010, 77(6): 061004.
Published Online: August 17, 2010
...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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. September 2010, 77(5): 051701.
Published Online: July 1, 2010
... of a tendency to form a solid coating on the inside of the perforation cavity compared with jets from conventional inert metal liners ( 2 ). Paper No. '10 04-006. compaction gamma-ray absorption manufacturing processes metals nondestructive testing polymers powders 23 07 2009 08...
Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. January 2010, 77(1): 014502.
Published Online: October 5, 2009
...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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. January 2010, 77(1): 011003.
Published Online: September 23, 2009
... 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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2009, 76(3): 031007.
Published Online: March 9, 2009
... of such a net area simulating frictional fibrillar adhesion in insects. (The synthetic fibril material, a polymer, was not identified.) Thus our optimal estimates are consistent with experimental data, if somewhat high, an understandable result given that the synthetic system was not optimized. Inspection...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. January 2009, 76(1): 011008.
Published Online: October 31, 2008
...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...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. January 2008, 75(1): 011009.
Published Online: January 11, 2008
... 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...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. May 2007, 74(3): 421–426.
Published Online: March 31, 2006
... 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...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. September 2006, 73(5): 752–757.
Published Online: January 4, 2006
.... J. , 1994 , “ Functional Polymers and Dendrimers: Reactivity, Molecular Architecture, and Interfacial Energy ,” Science 0036-8075 , 263 , pp. 1710...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. September 2006, 73(5): 783–791.
Published Online: November 7, 2005
...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...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. July 2006, 73(4): 574–579.
Published Online: September 22, 2005
...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...
Journal Articles
Article Type: Article
J. Appl. Mech. March 2005, 72(2): 177–195.
Published Online: March 15, 2005
... 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...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2004, 71(6): 879–886.
Published Online: January 27, 2005
... effects polymers crack-edge stress field analysis elastic deformation fracture Coated woven fabrics are used in a variety of inflatable and tension structures. An emerging application is the use of coated fabrics to create pressure-stabilized (air-inflated) fabric beam and arch structures...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. July 2005, 72(4): 599–608.
Published Online: October 26, 2004
...) polymers One of the challenges that the offshore oil industry faces as it moves to ultra deepwater is to design well-insulated pipelines and risers capable to withstand high internal and ambient external pressures. Pipe-in-pipe systems have been lately proposed (Fig. 1 ) as viable solutions...
Journal Articles
Article Type: Additional Technical Papers
J. Appl. Mech. September 2006, 73(5): 860–870.
Published Online: October 8, 2004
... in the coated and uncoated specimens were quite different. 13 01 2004 08 10 2004 sapphire polymers self-assembly monolayers fracture surface cracks interface phenomena adhesion interferometry atomic force microscopy X-ray photoelectron spectra surface topography finite element...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. July 2005, 72(4): 581–590.
Published Online: August 26, 2004
.... An exploration of the behavior of an actuator composed of a deformable, electroactive polymer is presented based on the formulation of the paper. Toupin , R. A. , 1956 , “ The Elastic Dielectric ,” J. Rational Mech. Anal. , 5 , pp. 849 – 914 . Voigt , W. , 1910 , Lehrbuch der...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. July 2005, 72(4): 493–499.
Published Online: July 9, 2004
..., sandwich construction offers enhanced corrosion resistance, noise suppression, and reduction in life-cycle costs. buckling shells (structures) laminates sandwich structures elasticity boron polymers graphite shear modulus 2005 American Society of Mechanical Engineers ...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. March 2003, 70(2): 220–226.
Published Online: March 27, 2003
... 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...