م مقاله کنفرانسی سال ۱۳۸۴ ۱,۷۶۴ مشاهده Ultrasonic Inspection of Spot Welds on the Body of a PEUGEOT 405 Automobile The body of an automobile is formed from many parts which are joined together by spot welding In this pa… spot weldultrasonic testnondestructive testing