Thermomechanical formation and recovery of nanoindents in a shape memory polymer studied using a heated tip

Scanning

Volumn 30, Issue 2, 2008, Pages 197-202

  Yang, Fuzheng ^a   Wornyo, Edem ^b   Gall, Ken ^b   King, William P ^a  

^a UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

^b Georgia Institute of Technology   (United States)

Author keywords

Heated atomic force microscope cantilever; Nanoscale indentation; Shape memory polymers; Strain storage and recovery

Indexed keywords

ANNEALING; ATOMIC FORCE MICROSCOPY; CANTILEVER BEAMS; NANOINDENTATION; ORGANIC POLYMERS;

HEATED ATOMIC FORCE MICROSCOPE CANTILEVERS; SHAPE MEMORY POLYMERS; STRAIN RECOVERY; STRAIN STORAGE;

SHAPE MEMORY EFFECT;

ACRYLIC ACID BUTYL ESTER; POLYMER;

ARTICLE; ATOMIC FORCE MICROSCOPY; HEATING; NANOTECHNOLOGY; PRIORITY JOURNAL; TRANSITION TEMPERATURE;

EID: 42449132253     PISSN: 01610457     EISSN: None     Source Type: Journal    
DOI: 10.1002/sca.20074     Document Type: Article

References (18)

1. Charest JL, Bryant LE, Garcia A, King WP: Hot embossing for micro patterned cell substrates. Biomaterials 25, 4767-4775 (2004).
2. Chui BW, Stowe TD, Ju YS, Goodson KE, Kenny TW, et al.: Low-stiffness silicon cantilever with integrated heaters and piezoresistive sensors for high-density data storage. J MEMS 7, 69-78 (1998).
3. Despont M, Brugger J, Drechsler U, Dürig U, Häberle W, et al.: VLSI-NEMS chip for parallel AFM data storage. Sens Actuators A 80, 100-107 (2000).
4. El Feninat F, Laroche G, Fiset M, Mantovani D: Shape memory materials for biomedical applications. Adv Eng Mater 4, 91-104 (2002).
5. Gall K, Kreiner P, Turner D, Hulse M: Shape memory polymers for MicroElectroMechanical systems. J MEMS 13, 472-483 (2004).
6. Gall K, Dunn ML, Liu Y, Finch D, Lake M, et al.: Shape memory polymer nano composites. Acta Mater 50, 5115-5126 (2002).
7. Gall K, Yakacki CM, Liu Y, Shandas R, Willett N, et al.: Thermomechanics of the shape memory effect in polymers for biomedical applications. J Biomed Mater Res 73A, 339-348 (2005).
8. Grayson ACR, Choi IS, Tyler BM, Wang PP, Brem H, et al.: Multi-pulse drug delivery from a resorbable polymeric microchip device. Nat Mater 11, 767-772 (2003).
9. King WP, Saxena S, Nelson BA, Weeks BL: Nanoscale thermal analysis of an energetic material. Nano Lett 6, 2145-2149 (2006).
10. Lee J, Beechem T, Wright TL, Nelson BA, Graham S, et al.: Electrical, thermal, and mechanical characterization of heated microcantilevers. J MEMS 15, 1644-1655 (2006).
11. Lendlein A, Kelch S: Shape-memory polymers. Angew Chem Int Ed Engl 41, 2034-2057 (2002).
12. Lendlein A, Langer R: Biodegradable, elastic shape memory polymers for potential biomedical applications. Science 296, 1673-1676 (2002).
13. Metzger MF, Wilson TS, Schumann D, Matthews DL, Maitland DJ: Mechanical properties of mechanical actuator for treating ischemic stroke. Biomed Microdevices 4, 89-96 (2002).
14. Nelson BA, King WP: Thermal analysis with nanoscale spatial resolution using heated probe tips. Rev Sci Instrum 78, 023702 (2007).
15. Nelson BA, King WP, Gall K: Recovery of nanoscale indentations in a thermoset shape memory Polymer. Appl Phys Lett 86, 103108 1-3 (2005).
16. Santini JT, Cima MJ, Langer R: A controlled-release microchip. Nature 397, 335-338 (1999).
17. Wornyo E, Gall K, Yang F, King WP: Nanoindentation of shape memory polymer networks. Polymer 48, 3213-3225 (2007).
18. Yang F, Wornyo E, Gall K, King WP: Nanoscale strain storage in a shape memory polymer using a heated probe tip. Nanotechnology 18, 285302 (2007).