PS26 宇宙用高分子膜材の強度特性に関する破壊力学的考察(ポスターセッション)

概要

論文の詳細を見る
The strength evaluation method of thin polymer films less than lmm thick containing defects is not established. The purpose of this research is to establish the strength evaluation method of thin polymer films based on fracture mechanics. An initial crack was introduced at thin film specimen of Poly-Imide and Poly-Ether-Ether-Ketone. Then, specimens were stretched and the fracture stress was measured. Fracture surface of specimens were observed to measure the length of the initial crack and to analyze the fracture behavior. Stress intensity factor at fracture were measured and the trend with regard to crack length was investigated. As a result, those values were roughly constant when plastic zone at crack tip was small compared with ligament size.
一般社団法人日本機械学会の論文
2009-07-24