Mechanisms of reversible stretchability of thin metal films on elastomeric substrates Export

@article{citeulike:721504, abstract = {Gold films on an elastomeric substrate can be stretched and relaxed reversibly by tens of percent. The films initially form in two different structures, one continuous and the other containing tribranched microcracks. We have identified the mechanism of elastic stretchability in the films with microcracks. The metal, which is much stiffer than the elastomer, forms a percolating network. To accommodate the large elongation of the elastomeric substrate, the metal network twists and deflects out of the plane but remains bonded to the soft substrate. Consequently, the metal film experiences only small strains and deforms elastically without suffering fatigue. \©2006 American Institute of Physics}, author = {Lacour, Stephanie P. and Chan, Donald and Wagner, Sigurd and Li, Teng and Suo, Zhigang}, citeulike-article-id = {721504}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APPLAB000088000020204103000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aip.org/link/?APL/88/204103}, citeulike-linkout-2 = {http://dx.doi.org/10.1063/1.2201874}, doi = {10.1063/1.2201874}, journal = {Applied Physics Letters}, keywords = {compliant-pattern, flexible-electronics, macroelectronics, mechanics, platform, simulation, thin-metal-film}, number = {20}, posted-at = {2006-07-01 15:07:59}, priority = {5}, publisher = {AIP}, title = {Mechanisms of reversible stretchability of thin metal films on elastomeric substrates}, url = {http://dx.doi.org/10.1063/1.2201874}, volume = {88}, year = {2006} }

TY - JOUR ID - citeulike:721504 L3 - citeulike-article-id:721504 N2 - Gold films on an elastomeric substrate can be stretched and relaxed reversibly by tens of percent. The films initially form in two different structures, one continuous and the other containing tribranched microcracks. We have identified the mechanism of elastic stretchability in the films with microcracks. The metal, which is much stiffer than the elastomer, forms a percolating network. To accommodate the large elongation of the elastomeric substrate, the metal network twists and deflects out of the plane but remains bonded to the soft substrate. Consequently, the metal film experiences only small strains and deforms elastically without suffering fatigue. ©2006 American Institute of Physics IS - 20 JF - Applied Physics Letters TI - Mechanisms of reversible stretchability of thin metal films on elastomeric substrates PB - AIP VL - 88 KW - compliant-pattern KW - flexible-electronics KW - macroelectronics KW - mechanics KW - platform KW - simulation KW - thin-metal-film AU - Lacour, Stephanie AU - Chan, Donald AU - Wagner, Sigurd AU - Li, Teng AU - Suo, Zhigang PY - 2006/// UR - http://dx.doi.org/10.1063/1.2201874 ER -