1、
采用DF-S油对轴承零件进行马氏体等温淬火试验，证明该淬火油可以显著降低变形和应力，提高钢球的压碎载荷及轴承的使用寿命。附图3幅，表3个。
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2、
The study on formulation and performance evaluation of overspeed quenching oil were described.
阐述了超速淬火油的研究过程及其性能评定结果.
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3、
The test methods of cooling characteristics of quenching oils were introduced.
介绍了淬火油冷却性能的测定方法.
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