The braze joint between Al2O3 to 1Cr18Ni9Ti using a nickel foam

Zhu, Ying; Qi, Dan; Guo, Wei; Kang, Hui; Qu, Peng

doi:10.1007/s40194-015-0224-5

Cited by 14 publications

(3 citation statements)

References 15 publications

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“…Interlayers consisting of porous metals (woven wire mesh, foams or sponges) have been applied [163]. For example, Ag-Cu-Ti fillers have been used for metal-ceramic joining with an interlayer of 0.2–0.6 mm 316 stainless steel foam (of unspecified porosity or pore dimensions) [163], 0.2 mm thick nickel foam (of the electrodeposited type, with porosity >90% and pore diameter around 1 mm) [142,164], and with 3 mm of copper foam (porosity >96% and nominal pore size 0.6 mm) [165] showing significant predicted residual stress reduction and experimental shear strength increase (in the case of the copper foam, a greater increase than when the same quantity of copper was included as a dense foil interlayer). Foams have even been further engineered for the purpose by inclusion of carbon nanotubes [166] and it has also been claimed that some foam materials can react with active filler metal components and reduce the formation of undesirable brittle phases [165,166].…”

Section: Advanced Brazing Systemsmentioning

confidence: 99%

Brazing filler metals

Way

Willingham

Goodall

2019

International Materials Reviews

110

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Brazing is a 5000-year-old joining process which still meets advanced joining challenges today. In brazing, components are joined by heating above the melting point of a filler metal placed between them; on solidification a joint is formed. It provides unique advantages over other joining methods, including the ability to join dissimilar material combinations (including metal-ceramic joints), with limited microstructural evolution; producing joints of relatively high strength which are often electrically and thermally conductive. Current interest in brazing is widespread with filler metal development key to enabling a range of future technologies including; fusion energy, Solid Oxide Fuel Cells and nanoelectronics, whilst also assisting the advancement of established fields, such as automotive lightweighting, by tackling the challenges associated with joining aluminium to steels. This review discusses the theory and practice of brazing, with particular reference to filler metals, and covers progress in, and opportunities for, advanced filler metal development.

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Section: Advanced Brazing Systemsmentioning

confidence: 99%

Brazing filler metals

Way

Willingham

Goodall

2019

International Materials Reviews

110

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“…However, the effective connection between ceramics and metals has become an urgent problem to be solved. It can be found from previous studies that many scholars have studied the connection mechanism between ceramics and metals and obtained excellent composite materials [9][10][11]. However, the ceramics have good stability, thus some conventional solders are difficult to effectively wet the ceramic surface, so the connection between ceramic and SS cannot be realised [12,13].…”

Section: Introductionmentioning

confidence: 99%

Laser welding of ZrO₂ ceramic and 304 stainless steel with Ag–Cu–Ti filler

Guo

Zhang

Lü

et al. 2023

Materials Science and Technology

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In this paper, the joining of ZrO2 ceramic and 304 stainless steel (SS) was realised by laser offset welding with AgCuTi filler metal. The heat was transferred from the molten pool to the solder through the unmelted SS. AgCuTi would diffuse to form eutectic products with low melting point, forming metallurgical reaction zone. The unmelted SS was retained by laser migration to avoid the mixing of molten solder and molten pool, which reduced the content of brittle phase in the joint. In addition, the crack-free welded joint with a tensile strength of 71 MPa was obtained. The elemental diffusion model was used to simulate the interfacial microstructure changes, and the microstructure was reasonably predicted by changing the welding parameters.

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“…And (Cu, Ni) 6 Sn 5 IMCs were found at the surface of metal foams, which could inhibit the formation of the Cu 3 Sn IMC layer. Zhu et al [20] investigated the effect of the thickness of Ni foam on the microstructure and mechanical performances of the solder joints. The experiments revealed that the residual stresses were relieved with the Ni foam addition.…”

Section: Introductionmentioning

confidence: 99%