Towards molecularly informed traction-separation relations
The paper describes the development of an experiment with associated analysis to determine the adhesive interactions between Si (111) surfaces which were coated with amine and carboxyterminated self-assembled monolayers (SAMs).The silicon beams were pressed together to form miniature laminated beam specimens which were then separated using a specially developed high vacuum fracture tester.The deposition of the SAMs and associated spectroscopic,scanning probe and ellipsometric diagnostics are described.The delaminations between the silicon strips and the associated normal crack opening displacements (NCOD) were measured via infra-red crack opening interferometry.This,coupled with fracture analyses allowed the traction-separation relation associated with amine/carboxyl interactions to be determined.
self-assembledmonolayers traction-separation relations molecular analysis infrared crack opening interferometry
Seung R. Na Zhiyi Cao Kenneth M. Liechti
Aerospace Engineering & Engineering Mechanics,University of Texas,Austin,TX 78712,USA
国际会议
北京
英文
1-1
2013-06-16（万方平台首次上网日期，不代表论文的发表时间）