To detect the open surface cracks by using Dye Penetrant. အစိုင္အခဲ မ်ား၏ မ်က္ႏွာျပင္သို႔ ပြင့္ေနေသာ Cracks မ်ားႏွင့္ အပြမဟုတ္ေသာ Non-porous materials မ်ားကိုစမ္းႏိုင္သည္။ Basic steps of liquid penetrant testing Pre-cleaning Penetrant application Removal of excess pentrant Developer application Inspection
To detect the open surface cracks by using Dye Penetrant.