OALib Journal期刊
ISSN: 2333-9721
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国产与进口10cr转子锻件性能对比
, PP. 98-103
Keywords: 国产转子,进口转子,10cr钢,性能,冲击韧性,断裂韧度,持久强度
Abstract:
对超(超)临界机组国产与进口10cr钢制汽轮机转子锻件的各项性能进行了对比试验。研究结果表明:国产和进口锻件的拉伸强度、硬度和金相组织无明显差异,但国产锻件的冲击韧度、断裂韧度明显低于进口材料,持久强度和低周疲劳性能也低于进口材料。应根据国产材料的性能特点,有针对性地制订国产转子的运行监督措施,如合理控制转子的启停次数及启停机时的升/降温速度等。
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