| 摘要 |
A MUITI-PASS BUTT WELDED JOINT (2) HAVING EXCELLENT BRITTLE CRACK PROPAGATION RESISTANCE COMPRISING A MUITI-PASS BUTT WELDED JOINT (2) OF STEEL PLATES (1) CHARACTERIZED IN THAT ONE OR, SEPARATED FROM EACH OTHER, MORE OF EITHER A WELD LAYER (2X, 2Y) AND WELD PASS PART (2XR, 2YR, 2XS, 2YS) WITH MATERIAL CHARACTERISTICS DIFFERING FROM MATERIAL CHARACTERISTICS OF THE SURROUNDINGS AND HAVING A FUNCTION OF ARRESTING PROPAGATION OF A BRITTLE CRACK (X, Y) ARE PRESENT BETWEEN A FRONT SURFACE WELD LAYER (2A) AND A BACK SURFACE WELD LAYER (2B). |
