Title :
Relationship between defect size and fracture strength of low fusion porcelain
Author :
Sato, Toshio ; Tsuji, Kiichi ; Sugai, Yuuko ; Kawashima, Norimichi
Author_Institution :
Dept. of Biomed. Eng., Toin Univ., Yokohama, Japan
Abstract :
In this study, bending strength was measured at room temperature using three-point bending. The effect of defect size on fracture strength was examined for low fusion porcelain. The results were discussed based on the process zone size fracture criterion. The size of cracks caused by grinding was estimated with the process zone size fracture criterion and Newman-Raju formula.
Keywords :
bending strength; biomedical materials; cracks; dentistry; fracture; fracture toughness; grinding; materials testing; porcelain; 20 degC; Newman-Raju formula; cracks; defect size; dental porcelains; fracture strength; grinding; low fusion porcelain; process zone size fracture criterion; room temperature; three-point bending; Biomedical engineering; Dentistry; Firing; Immune system; Porcelain; Rough surfaces; Surface cracks; Surface roughness; Temperature measurement; Testing;
Conference_Titel :
Biomedical Engineering, 2003. IEEE EMBS Asian-Pacific Conference on
Print_ISBN :
0-7803-7943-8
DOI :
10.1109/APBME.2003.1302605
