Effect of Interface Microstructure on Joint Strength of Zirconia/Titanium Alloy Brazed with Amorphous Zr-Ti-Ni-Cu Active Filler Metal

被引：9

作者：

Park, Sung Woo ^{[1
]}

Lee, Hyunjong ^{[1
]}

Lee, Byung Hoon ^{[1
]}

Kim, Tae Hwan ^{[1
]}

Kim, Kyung Il ^{[1
]}

Hong, Se Ah ^{[1
]}

Kim, Minji ^{[1
]}

Hyun, Soong-Keun ^{[2
]}

Ryu, Gwan Ho ^{[3
]}

Kim, Kyung Taek ^{[1
]}

机构：

[1] Korea Inst Ind Technol, Adv Proc & Mat R&D Grp, Incheon 21999, South Korea

[2] Inha Univ, Div Mat Sci & Engn, Incheon 22212, South Korea

[3] Dong Yang Piston Co LTD, R&D Ctr, Ansan 15420, Gyeonggi Do, South Korea

来源：

METALS | 2020年 / 10卷 / 06期

关键词：

brazing; active filler metals; zirconia; titanium alloys; Zr-based filler alloys; microstructure; EVOLUTION; ZIRCONIA; TITANIUM; TEMPERATURE; COMPOSITES; DIFFUSION;

D O I：

10.3390/met10060718

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Active brazing of zirconia with metallic alloys is a promising method for enhancing the mechanical property of zirconia. However, the brazing process of zirconia and metallic alloys has not been studied in detail because of a limitation in selection of materials and processing conditions. Here, we successfully brazed zirconia with Ti-3Al-2.5V alloy using amorphous Zr54Ti22Ni16Cu8 active filler alloy. By manipulating the brazing temperature from 800 degrees C to 860 degrees C, a highest strength of similar to 186 MPa was achieved at 860 degrees C. Reduced brittle (Zr,Ti)(2)(Ni,Cu) intermetallic phases from formation of island-type (Zr,Ti) matrix, ZrO2-X, TiO, and TiO2 interlayer play a key role in increasing the joint strength. Our findings will be helpful in developing brazing processes for zirconia and metallic alloys.

引用

页数：9

共 20 条

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