Ionotec - beta alumina supplier-Ceramic-metal welding

INNOVATION WITH ELECTROCERAMICS

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Ceramic-metal welding

Ionotec can provide expertise in bonding techniques which are particularly suitable where hermetic or vacuum-tight joints are required:

ceramic-metal welding
glass-ceramic bonding
glass-metal joining

Examples of ceramic-metal welding include

aluminium oxide to aluminium
aluminium oxide to stainless steel
aluminium oxide to aluminium-magnesium alloy
silicon nitride to aluminium

Thermocompression bonding

Thermocompression bonding (TCB) is particularly suited to ceramic-metal welding. The equipment shown here is used for joining large diameter ceramic rings to steel or aluminium components for battery application.

Ultrasonic welding

glass sealing

ceramic-metal welding

Ultrasonic welding is a fast process that can be used for bonding dissimilar metals and for ceramic-metal welding. Some advantages of the ultrasonic method are:

High speed - bonding times of less than 1 second
Economical, with low power consumption
The joint is formed from a low temperature solid state weld
No flux, braze or solder needed
No pre-cleaning, high temperatures or special environment needed

Not all materials are suited to ultrasonic welding, especially if they have low mechanical strength. In such cases thermocompression bonding may be preferable.

Examples of ultrasonically weldable metal-metal couples

aluminium - aluminium		aluminium - Fecralloy
aluminium - AlMg3 alloy		aluminium - molybdenum
aluminium - copper		nickel 200 - nickel 200
aluminium - nickel 200		brass 90/10 - brass 80/20
aluminium - brass 90/10		copper - brass 90/10
aluminium - stainless steel		stainless steel - Fecralloy
aluminium - Inconel 600		aluminium - Nimonic
aluminium - titanium		titanium - Nimonic

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Ionotec Ltd is registered in England, number 3141009
 Registered Office and Trading Address: 14 Berkeley Court, Manor Park, Runcorn, Cheshire WA7 1TQ, UK