@article{oai:kumadai.repo.nii.ac.jp:00022998, author = {廣江, 哲幸 and Hiroe, Tetsuyuki and 松尾, 日出男 and Matsuo, Hideo and Fujiwara, Kazuhito and 藤原, 和人 and Miyata, Masanobu and 松本, 繁明 and Matsumoto, Shigeaki and Abe, Takayuki and 安部, 尊之 and 廣江, 哲幸 and Hiroe, Tetsuyuki and 松尾, 日出男 and Matsuo, Hideo and Fujiwara, Kazuhito and 藤原, 和人 and 宮田, 政信 and 松本, 繁明 and Matsumoto, Shigeaki and Abe, Takayuki and 安部, 尊之}, issue = {601}, journal = {日本機械学會論文集. A編}, month = {Sep}, note = {application/pdf, 論文(Article), Spall tests for three kinds of materials (A12024, SS41, Cu) are conducted using a newly developed testing device. This experimental assembly generates triangular stress waves with various gradients-in plate specimens (50×50×20mm) by direct explosive loadings. The relationship between measured spall layer thicknesses (5-15mm)and the explosive (PETN) thicknesses indicate that a time dependence exists in spall phenomena of the metals. A computer program with a cumulative damage model was constructed, which has reproduced the basic characteristics of the observed failure in the metals. It is known that the stress wave reflected at the free surface can be prevented from reaching the specimen plate by spallation of the momentum trap or spall plate, which is mounted in contact with the specimen. The following spall test results for A12024 have verified this effect and the numerical analysis also has simulated the phenomena successfully., http://ci.nii.ac.jp/naid/110002372855@@@http://www.jsme.or.jp}, pages = {2026--2031}, title = {爆発衝撃による金属のスポール破壊と防止に関する研究}, volume = {62}, year = {1996}, yomi = {ヒロエ, テツユキ and マツオ, ヒデオ and フジワラ, カズヒト and マツモト, シゲアキ and アベ, タカユキ and ヒロエ, テツユキ and マツオ, ヒデオ and フジワラ, カズヒト and マツモト, シゲアキ and アベ, タカユキ} }