Laser induced ultrasonic wave grating in polyarylonitrile (PAN)

Josef Pospíšil; Yiping Cui; Paras N. Prasad

doi:10.1007/BF00299658

Laser induced ultrasonic wave grating in polyarylonitrile (PAN)

Josef Pospíšil
, Yiping Cui
, Paras N. Prasad

Chemistry

University at Buffalo

Charles University
SUNY Buffalo

Research output: Contribution to journal › Article › peer-review

Abstract

The picosecond laser-induced transient grating was used as a probe of the mechanical properties of polyacrylonitrile (PAN) ladder polymer in the glassy state. The application of laser-induced transient grating method yielded fit various elastic moduli isotropic films of pyrolysed doped and undoped PAN. Stiffness constants of these materials have been compared with values of Young's moduli for linear polymers in the glassy state.

Original language	English
Pages (from-to)	211-218
Number of pages	8
Journal	Polymer Bulletin
Volume	28
Issue number	2
DOIs	https://doi.org/10.1007/BF00299658
State	Published - Apr 1992

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title = "Laser induced ultrasonic wave grating in polyarylonitrile (PAN)",

abstract = "The picosecond laser-induced transient grating was used as a probe of the mechanical properties of polyacrylonitrile (PAN) ladder polymer in the glassy state. The application of laser-induced transient grating method yielded fit various elastic moduli isotropic films of pyrolysed doped and undoped PAN. Stiffness constants of these materials have been compared with values of Young's moduli for linear polymers in the glassy state.",

author = "Josef Posp{\'i}{\v s}il and Yiping Cui and Prasad, \{Paras N.\}",

year = "1992",

month = apr,

doi = "10.1007/BF00299658",

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AU - Pospíšil, Josef

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AU - Prasad, Paras N.

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N2 - The picosecond laser-induced transient grating was used as a probe of the mechanical properties of polyacrylonitrile (PAN) ladder polymer in the glassy state. The application of laser-induced transient grating method yielded fit various elastic moduli isotropic films of pyrolysed doped and undoped PAN. Stiffness constants of these materials have been compared with values of Young's moduli for linear polymers in the glassy state.

AB - The picosecond laser-induced transient grating was used as a probe of the mechanical properties of polyacrylonitrile (PAN) ladder polymer in the glassy state. The application of laser-induced transient grating method yielded fit various elastic moduli isotropic films of pyrolysed doped and undoped PAN. Stiffness constants of these materials have been compared with values of Young's moduli for linear polymers in the glassy state.

UR - https://www.scopus.com/pages/publications/34249838945

U2 - 10.1007/BF00299658

DO - 10.1007/BF00299658

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VL - 28

SP - 211

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JO - Polymer Bulletin

JF - Polymer Bulletin

IS - 2

ER -

Laser induced ultrasonic wave grating in polyarylonitrile (PAN)

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