约束条件下衬里材料的强度。
The strength of lining materials under constraint.
作者信息
Lloyd C H, Jeffrey I W, Mannion M J
出版信息
J Oral Rehabil. 1982 Sep;9(5):435-43. doi: 10.1111/j.1365-2842.1982.tb01033.x.
The compressive strength of the lining material Dycal was found to increase when peripheral constraints were applied to its deformation. The stress required to produce fracture under such circumstances increased with the degree of constraint. In each case, by summing all the stresses in a yield criterion (Von Mises) the strength is understood. Materials previously used with caution because of low (compressive) strength may now be used with more confidence when external support and confinement exists.
当对衬里材料Dycal的变形施加周边约束时，发现其抗压强度会增加。在这种情况下产生断裂所需的应力会随着约束程度的增加而增加。在每种情况下，通过在屈服准则（冯·米塞斯）中对所有应力求和来理解强度。以前由于（抗压）强度低而谨慎使用的材料，当有外部支撑和约束时，现在可以更有信心地使用。
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