Shrinkage characteristics of light-cured composite resin

Kazuo Arakawa

研究成果: ジャーナルへの寄稿学術誌査読

抄録

Polymerization shrinkage of a light-cured composite resin was studied using artificial cylindrical cavities. To examine the property change as functions of cavity depth and irradiation time, we performed two experiments; micro-Vickers hardness and tensile tests. Then we determined the hardness H v and modulus E of the resin specimens, and the following results were obtained. The values of H v and E exhibited the maximum near the irradiation surface and then decreased gradually with the depth and the maximum values increased as the irradiation time increased. To study the property change, we introduced an analytical model and suggested that it can predict all the important features of the property change as functions of the depth and irradiation time.

本文言語英語
ページ(範囲)1377-1381
ページ数5
ジャーナルNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
78
793
DOI
出版ステータス出版済み - 2012

!!!All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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