30MnSi预应力混凝土用钢棒延迟断裂原因

30MnSi预应力混凝土用钢棒延迟断裂原因

孙善波

Cause of delayed fracture of 30MnSi steel bar for prestressed concrete

SUN Shanbo

理化检验—物理分册 . 2023, (10): 71 -74 . DOI: 10.11973/lhjy-wl202310017