Mn23%CrNi型双相不锈钢高温拉伸行为的影响
邓亚辉, 杨银辉(), 蒲超博, 倪珂, 潘晓宇
Effect of Mn Addition on High Temperature Tensile Behavior of 23%Cr Low Nickel Type Duplex Stainless Steel
DENG Yahui, YANG Yinhui(), PU Chaobo, NI Ke, PAN Xiaoyu

图9. 不同Mn含量双相不锈钢试样在550 ℃高温拉伸近断口处显微组织的TEM像

Fig.9. Bright field TEM images at the near parts of tensile fractured duplex stainless steel samples with different Mn addition at 550 ℃
(a) 6.26%Mn, sub-grain structure(b) 6.26%Mn, cellular structure in austenite phase(c) 6.26%Mn, two phases(d) 10.27%Mn, two phases(e) 10.27%Mn, tangled dislocations in austenite phase(f) 10.27%Mn, cellular structure in austenite phase(g) 14.13%Mn, two phases(h, i) 14.13%Mn, cellular structure in austenite phase