In this paper, the cause of mortar baseplate breakage was analyzed by diving into cross-section, material, process, and design aspects. As a result of observing the fracture surface and non-fracture suface using optical equipment, it was possible to confirm changes in the shape of disconnected line and metal surface at a specific area. In addition, a number of linear defects due to overlap were found. Flow analysis was performed using the Deform program to verify changes during the production process. According to the result, a drop test was performed on each of the lap detection baseplate, undetection baseplate, and removed product to verify the presumptive cause of the rupture of the poplite.

• 윤성호(국방기술품질원) | Seong-Ho Yun Corresponding author
• 박영민(국방기술품질원) | Young-Min Park
• 손민구(국방기술품질원) | Min-Gu Son
• 김현수(국방기술품질원) | Hyun-Soo Kim
• 구판모(현대 위아) | Pan-Mo Koo