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As a trend of lightening automobiles and electronic products, several studies are currently underway to replace
parts of metals with resins. In particular, heterojunctions between metals and resins are now under the spotlight. This
study aims to evaluate the variation in bonding strength with process conditions when the polybutylene terephthalate
(PBT) polymer is bonded to a specimen of the lightweight 6061 aluminum alloy (AL6061). Conditions of the
bonding surface of the AL6061 specimen, the temperature of the injection mold, and the content of the glass fiber
were considered to be process variables. Bonded specimens were manufactured for different values of these variables.
Bonding strength tests were then performed on these specimens and variations were analyzed in their characteristics
corresponding to those of the process conditions. Fractures in these specimens were assessed using scanning electron
microscopy (SEM) to assess the fracture surface. This was then used to analyze the fracture shape and determine
whether anodizing the specimen led to the development of cracks on the joint surface. Results of the above test
indicated that while the surface condition of the specimen and the temperature of the injection mold significantly
influenced the strength of bonding, the content of the glass fiber did not.
parts of metals with resins. In particular, heterojunctions between metals and resins are now under the spotlight. This
study aims to evaluate the variation in bonding strength with process conditions when the polybutylene terephthalate
(PBT) polymer is bonded to a specimen of the lightweight 6061 aluminum alloy (AL6061). Conditions of the
bonding surface of the AL6061 specimen, the temperature of the injection mold, and the content of the glass fiber
were considered to be process variables. Bonded specimens were manufactured for different values of these variables.
Bonding strength tests were then performed on these specimens and variations were analyzed in their characteristics
corresponding to those of the process conditions. Fractures in these specimens were assessed using scanning electron
microscopy (SEM) to assess the fracture surface. This was then used to analyze the fracture shape and determine
whether anodizing the specimen led to the development of cracks on the joint surface. Results of the above test
indicated that while the surface condition of the specimen and the temperature of the injection mold significantly
influenced the strength of bonding, the content of the glass fiber did not.
목차
1. 산학공동 프로젝트 수행 결과 보고서-11.1 개발기술의 개요-21.2 주요 추진 내용-31.3 개발과정 수행 실적 및 성과-71.3 실적증빙자료-102. 한국산학기술학회 게재 논문-153. 산업체 현장실습 수행보고서 -243.1 대학원현장프로젝트 실습 운영계획서-243.2 대학원현장프로젝트 신청서 및 협약서-263.3 대학원현장프로젝트 실습 주간보고서 -293.4 대학원현장프로젝트 실습 종합보고서 -453.4 대학원현장프로젝트 실습 수행평가표 -46
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