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JOINING MECHANISM OF FIELD-ASSISTED BONDING OF “非汉字符号”-Al_2O_3 TO ALUMINUM AND SiC(p)/Al

Qingsen Meng

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Abstract

Investigations of technical characteristics and bonding mechanism of field_assisted diffusion bonding of β ″-Al 2O 3 to aluminum and aluminum matrix composite were made by means of SEM, EDX and XRD. The study indicates that bonding between β ″-Al 2O 3 and aluminum or SiC(p)/Al is good with the formation of metal-transitional area-Al 2O 3. The oxides and composites formation as a result of conductivity and diffusion of ions at the interface are the main contributors to bonding. Voltage, temperature and ion conductivity of the ceramic are the main factors that influence the bonding process.

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What this paper is about

Investigations of technical characteristics and bonding mechanism of field_assisted diffusion bonding of β ″-Al 2O 3 to aluminum and aluminum matrix composite were made by means of SEM, EDX and XRD. The study indicates that bonding between β ″-Al 2O 3 and aluminum or SiC(p)/Al is good with the formation of metal-transitional area-Al 2O 3. The oxides and composites formation as a result of conductivity and diffusion of ions at the interface are the main contributors to bonding. Voltage, temperature and ion conductivity of the ceramic are the main factors that influence the bonding process.

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Available abstract

Investigations of technical characteristics and bonding mechanism of field_assisted diffusion bonding of β ″-Al 2O 3 to aluminum and aluminum matrix composite were made by means of SEM, EDX and XRD. The study indicates that bonding between β ″-Al 2O 3 and aluminum or SiC(p)/Al is good with the formation of metal-transitional area-Al 2O 3. The oxides and composites formation as a result of conductivity and diffusion of ions at the interface are the main contributors to bonding. Voltage, temperature and ion conductivity of the ceramic are the main factors that influence the bonding process.

Key concepts: Materials science, Diffusion bonding, Aluminium, Composite number, Ceramic, Diffusion, Ion, Metal

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