Tan Jian Ding

Crack identification using piezoelectric testing on carbon steel pipe for transverse, longitudinal and hole defects with low excitation frequency

Ahmed N. Abdalla, Kharudin Ali, Chong Kok Hen, 2018 .

ENCIRCLING PROBE WITH MULTI-EXCITATION FREQUENCY SIGNAL FOR DEPTH CRACK DEFECT IN EDDY CURRENT TESTING

Kharudin Ali, Chong Kok Hen, Johnny Koh Siaw Paw, 2018 .