牙科石膏的强度测试：抗压、抗拉、横向和抗剪强度测试的比较
Strength testing of dental stone: a comparison of compressive, tensile, transverse, and shear strength tests.
作者信息
von Fraunhofer J A, Spiers R R
出版信息
J Biomed Mater Res. 1983 Mar;17(2):293-9. doi: 10.1002/jbm.820170208.
PMID:6841370
Abstract
The strength of two dental stones under three standard test regimens and two novel testing modes is reported. It was found under all test regimens that the water/powder ratio significantly affected the strength of the two gypsum products in a similar manner. It was established that the new central fulcrum loading mode gave strength data directly related to that determined in the conventional transverse strength test which requires larger test specimens.
摘要
报告了两种牙科石膏在三种标准测试方案和两种新测试模式下的强度。发现在所有测试方案下，水/粉比对这两种石膏产品强度的影响方式相似且显著。已确定新的中心支点加载模式给出的强度数据与传统横向强度测试（需要更大测试样本）所确定的数据直接相关。
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