LUBRICANT FOR FORMING AL AND AL ALLOY AND FORMATION OF AL AND AL ALLOY

PURPOSE:To provide a lubricant for pressing an Al and Al alloy plate and a pressing method thereof, by which the same stuck strength, joined strength and weldability (spot electrode service life) as the case of sticking no lubricant to a press-formed product in the sticking process and welding proce...

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Hauptverfasser: MATSUI KUNIAKI, SUGITA TOMOYUKI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE:To provide a lubricant for pressing an Al and Al alloy plate and a pressing method thereof, by which the same stuck strength, joined strength and weldability (spot electrode service life) as the case of sticking no lubricant to a press-formed product in the sticking process and welding process after pressing, can be obtd. without bringing about deterioration of the form-ability. CONSTITUTION:The lubricant is the one containing >=90% of at least one kind of high distillating point solvent having volatility and >=70 deg.C distillating temp. in 10vol.% and