<strong>18.7Cr-1.0Ni-5.8Mn-0.2N</strong>节<strong>Ni</strong>型双相不锈钢的大变形热压缩软化行为

18.7Cr-1.0Ni-5.8Mn-0.2N节Ni型双相不锈钢的大变形热压缩软化行为

倪珂, 杨银辉(

), 曹建春, 王刘行, 刘泽辉, 钱昊

Softening Behavior of 18.7Cr-1.0Ni-5.8Mn-0.2N Low Nickel-Type Duplex Stainless Steel During Hot Compression Deformation Under Large Strain

NI Ke, YANG Yinhui(

), CAO Jianchun, WANG Liuhang, LIU Zehui, QIAN Hao

图2. 双相不锈钢试样在1123~1423 K、0.01~10 s^-1变形时的真应力-真应变曲线
(a) $ε ˙$ =0.01 s^-1 (b) $ε ˙$ =0.1 s^-1 (c) $ε ˙$ =1 s^-1 (d) $ε ˙$ =10 s^-1

Fig.2. True stress-true strain curves of duplex stainless steel samples deformed at 1123-1423 K ( $ε ˙$ —strain rate)