Glavan P R, da Silva Filho F P, de Sa D N, Rettondini W C, Ababo G L, dos Santos Cruz C A
FO/Araraquara/UNESP.
RGO. 1990 May-Jun;38(3):207-10.
The authors studied the CREEP of 5 amalgam alloys (1 conventional and 4 with high cooper) by the application os static load of 36 MPa in 478 mm specimens, 7 days old. After CREEP test, the samples were included in acrylic resin and Vickers hardness determined by three penetrations for each portion (cervical, medium and occlusal). Samples not submitted to the creep test was used with control. They concluded that no statistic difference was found in creep test but in Vickers test all the studied materials showed different hardness averages. The load application to samples increased the hardness of all the studied materials.
作者通过对7日龄、长度为478毫米的样本施加36兆帕的静载荷，研究了5种汞合金（1种传统合金和4种高铜合金）的蠕变情况。蠕变试验后，将样本嵌入丙烯酸树脂中，并通过对每个部分（颈部、中部和咬合面）进行三次压痕测定维氏硬度。未进行蠕变试验的样本用作对照。他们得出结论，蠕变试验中未发现统计学差异，但在维氏试验中，所有研究材料的硬度平均值均不同。对样本施加负荷提高了所有研究材料的硬度。
