Thermo-visco-elastic material modeling of polypropylene and unsaturated polyester polyurethane hybrid resin = 폴리프로필렌과 불포화 폴리에스테르-폴리우레탄 하이브리드 수지의 열점탄성 재료 모델링

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A thermomechanical viscoelastic material model for isotropic materials is developed based on the free volume theory by [Ferry, 1980] and [Krawietz, 1986]. Thermodynamic consistency of the constitutive and evolution equations is ensured by evaluation of the Clausius-Duhem inequality. The material model is numerically implemented in the programming language Python. Polypropylene and unsatu- rated polyester polyurethane hybrid resin are characterized by means of dynamic mechanical analysis with the GABO Eplexor 500N. The material parameters for both materials are determined by min- imizing numerically the error between experimental and simulated data. To this end, the MIDACO software is used.
Advisors
Bae, Choong Sikresearcher배충식researcher
Description
한국과학기술원 :기계공학과,
Publisher
한국과학기술원
Issue Date
2017
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 기계공학과, 2017.8,[iv, 45 p. :]

Keywords

Viscoelasticity▼afree volume▼athermomechanical modeling▼athermodynamics▼apolymers; 점탄성▼a자유 체적▼a열역학▼a열역학적 모델링▼a고분자

URI
http://hdl.handle.net/10203/242874
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=718538&flag=dissertation
Appears in Collection
ME-Theses_Master(석사논문)
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