CHOSUN

FEM을 이용한 적층각도 변화에 따른 CFRP 판의 물성치 예측 및 신뢰성 평가

Metadata Downloads
Author(s)
정향철
Issued Date
2013
Abstract
Fuel efficiency and environmental problem is an important problem in transportation equipment. Latest, light weight material such as CFRP, Aluminum, Magnesium has been studies in order to apply in the field of automotive, train and aerospace industries.
vehicle fuel economy is improved. when the weight of the transportation equipment is reduced. in addition, Vehicle weight reduce the carbon dioxide emissions. Lightweight materials used in electric vehicles. It increase the mileage and energy efficiency can be improved.
CFRP has low thermal strain, strength, rigidity, insulating property. but CFRP is anisotropic materials. So it is difficult to obtain the mechanical characteristics of CFRP by Theoretical methods.
Due to these problems, we usually obtain the mechanical properties of CFRP through material experiments. It is difficult to obtain the mechanical properties of CFRP. And much cost and times are needed.
CFRP have to experiment for obtain exact properties of matter. If every time you change the test method has to experiment. In case of will spend a lot of money and time. Simulation method In order to solve this problem would be to apply. Many country is used to Simulation method. Korea trend apply to Simulation method gradually. GENOA is Composite materials analysis program dedicated. GENOA and other analysis programs are difference. GENOA is can be apply to the environment variables(Fiber, Matirx, Void volume ratio, Fiber Volume ratio and Stacking angle, etc). So it is with the actual experimental result stunning results. MCQ using a property of matter obtained from the actual experiment, was simulation. Thus, the properties of matter of each layer can be obtained.
Previous studies have evaluated the basic physical properties of CFRP using NX-Nastran and GENOA. After had a reliability assessment. In this study, Different stacking to predict the strength and stiffness. using the fiber and Matrix properties obtained from previous study.(Simulation specimen is same experiment specimen.) Compare the simulation results with experimental results, the reliability was evaluated.
Alternative Title
Reliability Analysis and Material prediction of Carbon composite Laminate by changing stacking angles using FEM
Alternative Author(s)
Hyang Chel Jung
Affiliation
조선대학교 첨단부품소재공학
Department
일반대학원 첨단부품소재공학과
Advisor
김지훈
Awarded Date
2014-02
Table Of Contents
목 차

LIST OF TABLES ⅲ
LIST OF FIGURES ⅳ
LIST OF PHOTOGRAPHS ⅶ
ABSTRACT ⅷ

제 1 장 서 론 1
제 1 절 연구배경 1
제 2 절 연구목적 및 방법 8

제 2 장 실험방법 10
제 1 절 기초물성 실험과 Simulation_MCQ 10
1. 시험편 10
2. 실험방법 20
가. Jig 20
(1) 인장 지그 20
(2) 압축 지그 21
나. UTM 23
다. Strainmeter 24
3. Simulation_MCQ 25
제 2 절 적층각도 변화 예측 및 신뢰성 평가 27
1. 적층각도 변화 예측 및 신뢰성 평가 27
가. 시험편 27
나. 실험방법 34

제 3 장 결과 및 고찰 35
제 1 절 해석을 위한 기초실험과 물성재확립 35
제 2 절 적층 각도별 신뢰성 평가 45
1.적층 각도별 예측 45
2. 재료 실험 53
제 3 절 Simulation과 재료 실험의 결과 비교 61

제 4 장 결 론 65
참 고 문 헌 67
Degree
Master
Publisher
조선대학교 대학원
Citation
정향철. (2013). FEM을 이용한 적층각도 변화에 따른 CFRP 판의 물성치 예측 및 신뢰성 평가.
Type
Dissertation
URI
https://oak.chosun.ac.kr/handle/2020.oak/11856
http://chosun.dcollection.net/common/orgView/200000264148
Appears in Collections:
General Graduate School > 3. Theses(Master)
Authorize & License
  • AuthorizeOpen
  • Embargo2014-02-26
Files in This Item:

Items in Repository are protected by copyright, with all rights reserved, unless otherwise indicated.