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استاندارد ASTM B548 در خصوص بازرسی ورق های آلیاژهای آلمینیومی ظزوف تحت فشار به روش آلتراسونیک به زبان انگلیسی Standard Test Method for Ultrasonic Inspection of Aluminum-Alloy Plate for Pressure Vessels Scope1.1 This test method covers pulse-echo ultrasonic inspectionof aluminum-alloy plate of thickness equal to or greater than0.500 in. (12.7 mm) for use in the fabrication of pressurevessels. The ultrasonic test is employed to detect gross internaldiscontinuities oriented in a ...