High temperature characteristics and solidification microstructures of dental metallic materials. Part II ADAS Type 3 gold alloy

Sakae Nagasawa, Takamitsu Yoshida, Nobuyoshi Terashima, Toshihide Mizoguchi, Hiroshi Yagasaki, Koichiro Kamijo, Michio Ito, Jeffrey Platt, Yoshiki Oshida

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Previously, high temperature properties of the silver-palladium-copper-gold alloy were investigated. In this study, the thermal expansion percentage and coefficient, and high temperature strengths of ADAS Type 3 gold alloy were investigated up to the liquidus temperature. Furthermore, microstructural and compositional changes in the solid/liquid dual phase were studied. The following conclusions were obtained. (1) The solidus point of the Type 3 gold alloy was 899.3±11.7°C, and the liquidus point was 962.3±2.4°C. (2) The thermal expansion percentage at the solidus point was 1.636±0.046%, while it was 4.853±0.213% for the liquidus point. The thermal expansion percentage of the melt was 3.217±0.257%. (3) The melt expansion was observed even under the measuring pressure of 373.75 HPa, which was quite different from the fact that the melt expansion disappeared at the pressure of 20.87 HPa for the silver-palladium-copper-gold alloy. (4) The morphology of solid phase in the solid/liquid dual zone of this alloy was quite different from those observed with the silver-palladium-copper-gold alloy.

Original languageEnglish (US)
Pages (from-to)81-88
Number of pages8
JournalDental Materials Journal
Volume23
Issue number2
StatePublished - Jun 2004

Fingerprint

Gold Alloys
Gold alloys
Dental Materials
Thermal expansion
Solidification
Hot Temperature
Copper alloys
Microstructure
Temperature
Palladium
Silver
High temperature properties
Pressure
Liquids
Ag-Pd-Cu-Au alloy

Keywords

  • ADAS Type 3 gold alloy
  • High temperature characteristics
  • Solidification microstructure

ASJC Scopus subject areas

  • Dentistry(all)
  • Biomaterials

Cite this

Nagasawa, S., Yoshida, T., Terashima, N., Mizoguchi, T., Yagasaki, H., Kamijo, K., ... Oshida, Y. (2004). High temperature characteristics and solidification microstructures of dental metallic materials. Part II ADAS Type 3 gold alloy. Dental Materials Journal, 23(2), 81-88.

High temperature characteristics and solidification microstructures of dental metallic materials. Part II ADAS Type 3 gold alloy. / Nagasawa, Sakae; Yoshida, Takamitsu; Terashima, Nobuyoshi; Mizoguchi, Toshihide; Yagasaki, Hiroshi; Kamijo, Koichiro; Ito, Michio; Platt, Jeffrey; Oshida, Yoshiki.

In: Dental Materials Journal, Vol. 23, No. 2, 06.2004, p. 81-88.

Research output: Contribution to journalArticle

Nagasawa, S, Yoshida, T, Terashima, N, Mizoguchi, T, Yagasaki, H, Kamijo, K, Ito, M, Platt, J & Oshida, Y 2004, 'High temperature characteristics and solidification microstructures of dental metallic materials. Part II ADAS Type 3 gold alloy', Dental Materials Journal, vol. 23, no. 2, pp. 81-88.
Nagasawa S, Yoshida T, Terashima N, Mizoguchi T, Yagasaki H, Kamijo K et al. High temperature characteristics and solidification microstructures of dental metallic materials. Part II ADAS Type 3 gold alloy. Dental Materials Journal. 2004 Jun;23(2):81-88.
Nagasawa, Sakae ; Yoshida, Takamitsu ; Terashima, Nobuyoshi ; Mizoguchi, Toshihide ; Yagasaki, Hiroshi ; Kamijo, Koichiro ; Ito, Michio ; Platt, Jeffrey ; Oshida, Yoshiki. / High temperature characteristics and solidification microstructures of dental metallic materials. Part II ADAS Type 3 gold alloy. In: Dental Materials Journal. 2004 ; Vol. 23, No. 2. pp. 81-88.
@article{1b17e3cdb8c44422b227e88e890e1c31,
title = "High temperature characteristics and solidification microstructures of dental metallic materials. Part II ADAS Type 3 gold alloy",
abstract = "Previously, high temperature properties of the silver-palladium-copper-gold alloy were investigated. In this study, the thermal expansion percentage and coefficient, and high temperature strengths of ADAS Type 3 gold alloy were investigated up to the liquidus temperature. Furthermore, microstructural and compositional changes in the solid/liquid dual phase were studied. The following conclusions were obtained. (1) The solidus point of the Type 3 gold alloy was 899.3±11.7°C, and the liquidus point was 962.3±2.4°C. (2) The thermal expansion percentage at the solidus point was 1.636±0.046{\%}, while it was 4.853±0.213{\%} for the liquidus point. The thermal expansion percentage of the melt was 3.217±0.257{\%}. (3) The melt expansion was observed even under the measuring pressure of 373.75 HPa, which was quite different from the fact that the melt expansion disappeared at the pressure of 20.87 HPa for the silver-palladium-copper-gold alloy. (4) The morphology of solid phase in the solid/liquid dual zone of this alloy was quite different from those observed with the silver-palladium-copper-gold alloy.",
keywords = "ADAS Type 3 gold alloy, High temperature characteristics, Solidification microstructure",
author = "Sakae Nagasawa and Takamitsu Yoshida and Nobuyoshi Terashima and Toshihide Mizoguchi and Hiroshi Yagasaki and Koichiro Kamijo and Michio Ito and Jeffrey Platt and Yoshiki Oshida",
year = "2004",
month = "6",
language = "English (US)",
volume = "23",
pages = "81--88",
journal = "Dental Materials Journal",
issn = "0287-4547",
publisher = "Japanese Society for Dental Materials and Devices",
number = "2",

}

TY - JOUR

T1 - High temperature characteristics and solidification microstructures of dental metallic materials. Part II ADAS Type 3 gold alloy

AU - Nagasawa, Sakae

AU - Yoshida, Takamitsu

AU - Terashima, Nobuyoshi

AU - Mizoguchi, Toshihide

AU - Yagasaki, Hiroshi

AU - Kamijo, Koichiro

AU - Ito, Michio

AU - Platt, Jeffrey

AU - Oshida, Yoshiki

PY - 2004/6

Y1 - 2004/6

N2 - Previously, high temperature properties of the silver-palladium-copper-gold alloy were investigated. In this study, the thermal expansion percentage and coefficient, and high temperature strengths of ADAS Type 3 gold alloy were investigated up to the liquidus temperature. Furthermore, microstructural and compositional changes in the solid/liquid dual phase were studied. The following conclusions were obtained. (1) The solidus point of the Type 3 gold alloy was 899.3±11.7°C, and the liquidus point was 962.3±2.4°C. (2) The thermal expansion percentage at the solidus point was 1.636±0.046%, while it was 4.853±0.213% for the liquidus point. The thermal expansion percentage of the melt was 3.217±0.257%. (3) The melt expansion was observed even under the measuring pressure of 373.75 HPa, which was quite different from the fact that the melt expansion disappeared at the pressure of 20.87 HPa for the silver-palladium-copper-gold alloy. (4) The morphology of solid phase in the solid/liquid dual zone of this alloy was quite different from those observed with the silver-palladium-copper-gold alloy.

AB - Previously, high temperature properties of the silver-palladium-copper-gold alloy were investigated. In this study, the thermal expansion percentage and coefficient, and high temperature strengths of ADAS Type 3 gold alloy were investigated up to the liquidus temperature. Furthermore, microstructural and compositional changes in the solid/liquid dual phase were studied. The following conclusions were obtained. (1) The solidus point of the Type 3 gold alloy was 899.3±11.7°C, and the liquidus point was 962.3±2.4°C. (2) The thermal expansion percentage at the solidus point was 1.636±0.046%, while it was 4.853±0.213% for the liquidus point. The thermal expansion percentage of the melt was 3.217±0.257%. (3) The melt expansion was observed even under the measuring pressure of 373.75 HPa, which was quite different from the fact that the melt expansion disappeared at the pressure of 20.87 HPa for the silver-palladium-copper-gold alloy. (4) The morphology of solid phase in the solid/liquid dual zone of this alloy was quite different from those observed with the silver-palladium-copper-gold alloy.

KW - ADAS Type 3 gold alloy

KW - High temperature characteristics

KW - Solidification microstructure

UR - http://www.scopus.com/inward/record.url?scp=4344591810&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=4344591810&partnerID=8YFLogxK

M3 - Article

C2 - 15287550

AN - SCOPUS:4344591810

VL - 23

SP - 81

EP - 88

JO - Dental Materials Journal

JF - Dental Materials Journal

SN - 0287-4547

IS - 2

ER -