热处理对阶梯轴组织、性能的影响

Gongneng Cailiao/Journal of Functional Materials(2012)

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Abstract
阶梯轴为定向钻井用关键部件,研究了不同热处理制度对阶梯轴的组织、性能的影响.结果表明,热处理温度细小的变化,在合金晶界出现不同的金相组织,进而对合金的强度及冲击韧性造成很大的变化.通过实验,选择合适的热处理制度,使合金的强度与冲击韧性达到最佳的配合,以此来满足阶梯轴的使用要求.
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Key words
Heat treatment,Impact toughness,Metallographic structure,Step-forged shaft,Strength
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