Brillouin Scattering from PMMA under Uniaxial Tensile Stress

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概要

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• Longitudinal hypersonic velocities in PMMA under uniaxial tensile stress at room temperature were studied. It was observed that the velocity of local thermal phonons along the stress direction showed a gradual softening with the applied stress, and this softening took place even at the stress level where a macroscopic tensile measurement would reveal a relatively linear stress-strain relationship. Present results suggest that the local softening leads to the craze formation in PMMA. However, the local phonons perpendicular to the stress showed no softening. These facts explain the craze formation profile appearing on the sample.

• 社団法人応用物理学会の論文
• 1982-08-20

著者

• Shirouzu Shigenori

  Central Research Laboratories Idemitsu Kosan Co. Ltd.

• Matsushige Kazumi

  Research Institute For Applied Mechanics Kyushu University

• Shichijyo S

  Mitsui Chemicals Inc.

• Shirouzu S

  Health Sci. Foundation Moa. Fukuoka Jpn

• Shichijyo Shiro

  Department Of Applied Science Faculty Of Engineering Kyushu University

• TAKEMURA Tetuo

  Ariake National College of Technology

• Takemura T

  Ariake National College Of Technology

• Takemura Tetuo

  Department Of Applied Physics Faculty Of Engineering Kyushu University

• YAP Ber-Chin

  Department of Applied Science, Faculty of Engineering, Kyushu University

• Yap Ber-chin

  Department Of Applied Science Faculty Of Engineering Kyushu University:(present Address) School Of P

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