METHOD FOR MANUFACTURING CERAMIC HEATER-TYPE GLOW PLUG, AND CERAMIC HEATER-TYPE GLOW PLUG
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Oct 8, 2015
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Nov 21, 2014
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Abstract
A method for manufacturing a ceramic heater-type glow plug that includes: a ceramic heater; a metallic outer cylinder that holds the ceramic heater at one end and has the other end inserted in and fixed to a metallic housing; and lead wire that is connected to the ceramic heater and electrifies the ceramic heater, the method for manufacturing a ceramic heater-type glow plug includes the steps of: forming a metalized layer in a region of the ceramic heater that is connected to the lead wire; press-inserting at least the metalized layer of the ceramic heater in a connection fitting that connects the ceramic heater and the lead wire; and heating the ceramic heater and the connection fitting at a temperature at which a material for forming the metalized layer is brought into a semi-molten state and joining by mass transfer between the connection fitting and a solid layer of the metalized layer.
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