พลาสติก
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS K 7090:1996
Testing method for ultrasonic pulse echo technique of carbon fibre reinforced plastic panels
1996
11
Offline
This Japanese Industrial Standard specifies testing method for ultrasonic pulse echo technique by which flaws such as delamination, measuring at least 2 mm * 2 mm or at least 2 mm in diameter, dwelling inside of carbon fibre reinforced plastic (hereafter referred to as "cfrp) panels, are detected by waterimmersion method using ultrasonic pulse.