http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
정규창,이철구 서울산업대학교 산업대학원 1996 大學院論文集 Vol.4 No.-
The joining of polymer materials can be mechanically fastened or adhesively bonded, but they can also be welding. Mechanical fastening is an expensive multistep operation which creates stress concentrations in the part. It provides good assurance for the quality and strength of the joint. Adhesively bonded joints have more uniform load distributions than bolted joints. Surface preparation for good wetting of the adhesive is very critical to the process. Inspection of the bond is usually required. Welding or fusion bonding is restricted to polymer materials only, and it requires heating and melting of the thermoplastic. Welded joints, like adhesively bonded joints, have more uniform load distribution than bolted joints. At present, inspection of the welded joint is usually required, however closed loop controls should soon eliminate that requirement. The theory and practice behind joint design and the use of mechanical fastening, adhesive bonding, and welding are discussed.