17Cr2Ni2MoVNb和20Cr2Ni4A齿轮钢的热变形行为
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Thermal deformation behavior of 17Cr2Ni2MoVNb and 20Cr2Ni4A gear steels
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锻压技术 . 2022, (9): 230 -237 .  DOI: 10.13330/j.issn.1000-3940.2022.09.034