Effect of microstructure on tensile properties and static fracture toughness of dental gold alloy

被引：1

作者：

Niinomi, M ^{[1
]}

Takeda, J

Akahori, T

Fukui, H

Touyama, M

Toda, H

机构：

[1] Toyohashi Univ Technol, Dept Prod Syst Engn, Toyohashi, Aichi 4418580, Japan

[2] Aichi Gakuin Univ, Sch Dent, Dept Dent Mat Sci, Nagoya, Aichi 4648650, Japan

来源：

MATERIALS TRANSACTIONS | 2005年 / 46卷 / 07期

关键词：

dental gold alloy; tensile characteristic; static fracture characteristic; microstructure;

D O I：

10.2320/matertrans.46.1540

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Tensile tests and static fracture toughness tests were conducted on dental type 4 gold alloys subjected to various heat treatments. The effects of microstructures on tensile characteristics and static fracture toughness are discussed. The tensile strength of dental type 4 gold alloy increases with the solutionizing temperature. Moreover, the tensile strength of dental type 4 gold alloy increases with aging time at a solutionizing temperature of 1023 K. On the other hand, dental type 4 gold alloy exhibits reduced elongation with an increase in the solutionizing temperature. Static fracture toughness of dental type 4 gold alloy increases with an increase in the solutionizing temperature. Static fracture toughness of dental type 4 gold alloy aged for 0.3 ks is the highest, and is the lowest when it is aged for 1.8 ks, with the solutionizing temperature at 1023 K.

引用

页码：1540 / 1544

页数：5

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