FATIGUE AND CREEP PROPERTIES OF Al-Si BRAZING FILLER METALS

被引：0

作者：

Edo, Masakazu ^{[1
]}

Enomoto, Masatoshi ^{[2
]}

Takayama, Yoshimasa ^{[3
]}

机构：

[1] Mitsubishi Aluminum Co Ltd, Prod Res & Dev Dept, 85 Hiramatsu, Susono City, Shizuoka 4101127, Japan

[2] Japan Light Met Welding Assoc, Chiyoda Ku, Tokyo 1010025, Japan

[3] Utsunomiya Univ, Dept Mech & Intelligent Engn, Utsunomiya, Tochigi 3218585, Japan

来源：

PROCEEDINGS OF THE 13TH INTERNATIONAL CONFERENCE ON ALUMINUM ALLOYS (ICAA13) | 2012年

关键词：

Fatigue; Creep; Brazing; Al-Si alloy; Fillet; Eutectic silicon particle size;

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The manufacturing process for automotive heat exchangers involves brazing using an aluminum brazing sheet. To ensure structural strength and improve durability, it is necessary to acquire mechanical properties for each of the materials. Al-Si alloys are most commonly used as the filler metal; however, the properties of the fillets formed by the solidification of the Al-Si filler melt have scarcely been reported previously. In this study, fatigue and creep properties of Al-10mass% Si cast alloy, which is considered to have the same chemical composition and metallic structure as those of the filler metal after brazing, were investigated. From the measured results of samples at various cooling rates during solidification, it was found the eutectic silicon particle size of the Al-Si alloy strongly related to these properties. These results showed that the finer silicon particles improved the fatigue and creep properties of fillets, even those with the same composition.

引用

页码：737 / 742

页数：6

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