蠕墨铸铁RuT300和RuT450的低周疲劳性能和损伤机制
Effect of Microstructure Characteristics of Compacted Graphite Cast Irons of RuT300 and RuT450 on Low-cycle Fatigue Properties and Damage Mechanisms
蠕墨铸铁RuT300和RuT450的低周疲劳性能和损伤机制 |
| 姜爱龙, 谭炳治, 庞建超, 石锋, 张允继, 邹成路, 李守新, 伍启华, 李小武, 张哲峰 |
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Effect of Microstructure Characteristics of Compacted Graphite Cast Irons of RuT300 and RuT450 on Low-cycle Fatigue Properties and Damage Mechanisms |
| JIANG Ailong, TAN Bingzhi, PANG Jianchao, SHI Feng, ZHANG Yunji, ZOU Chenglu, LI Shouxin, WU Qihua, LI Xiaowu, ZHANG Zhefeng |
| 图13 RuT450的典型疲劳断口纵剖面 |
| Fig.13 Longitudinal section of fatigue fracture for RuT450 (εt = 0.25%, Nf = 2682) (a) the macroscopic fracture profile induced by the main crack; (b), (c) and (d) are the microstructures and secondary cracks at b, c and d marked in Fig.13a, respectively |
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