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Effects of Quenching in Two-phase Region on Microstructure and Properties of 14MnCrMoNiNb Steel
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Jing-chun He1, Tao Jiang2, Zhi-li Li1, Ze-jin Yu1, Hai-long Jiang1, Yong-feng Mi2
Rare Earth Steel | 2019, 45(4) : 1 - 3
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Rare Earth Steel | 2019, 45(4): 1-3
• Expert Forum •
Effects of Quenching in Two-phase Region on Microstructure and Properties of 14MnCrMoNiNb Steel
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Jing-chun He1, Tao Jiang2, Zhi-li Li1, Ze-jin Yu1, Hai-long Jiang1, Yong-feng Mi2
Affiliations
  • 1.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Steel Tube Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2019-08-25 doi: 10.13647/j.cnki.btgkj.2019.04.001
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The experiment with 14MnCrMoNiNb steel was for studying quenching + quenching in two-phase region + tempering process (QQ'T). The experimental results showed that the multiphase microstructure of tempered sorbite + a small amount of ferrite could be obtained with the QQ'T process. On the premise of without losing the strength and toughness of material, the yield ratio of material could be reduced to about 0.80 so that the serviceability safety performance of material could be improved greatly.

14MnCrMoNiNb  /  quenching  /  quenching in two-phase region  /  tempering  /  yield ratio
贺景春, 姜涛, 李智丽, 余泽金, 姜海龙, 米永峰. 两相区淬火对14MnCrMoNiNb钢组织和性能的影响. 包钢科技, 2019 , 45 (4) : 1 -3 . DOI: 10.13647/j.cnki.btgkj.2019.04.001
Jing-chun He, Tao Jiang, Zhi-li Li, Ze-jin Yu, Hai-long Jiang, Yong-feng Mi. Effects of Quenching in Two-phase Region on Microstructure and Properties of 14MnCrMoNiNb Steel[J]. Science & Technology of Baotou Steel, 2019 , 45 (4) : 1 -3 . DOI: 10.13647/j.cnki.btgkj.2019.04.001
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Year 2019 volume 45 Issue 4
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doi: 10.13647/j.cnki.btgkj.2019.04.001
  • Receive Date：2019-06-05
  • Online Date：2026-10-20
  • Published：2019-08-25
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  • Received：2019-06-05
Affiliations
    1.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Steel Tube Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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