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Effects of Rare Earth on Fatigue Property of Low-alloy High-tensile Structural Steel Q345E
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Feng-ming Zhang1, 2, Miao Wei1, 2
Rare Earth Steel | 2019, 45(6) : 55 - 58
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Rare Earth Steel | 2019, 45(6): 55-58
• Quality of Variety and Experiment and Research •
Effects of Rare Earth on Fatigue Property of Low-alloy High-tensile Structural Steel Q345E
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Feng-ming Zhang1, 2, Miao Wei1, 2
Affiliations
  • 1.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Inner Mongolia Enterprise Key Laboratory of Rare Earth Steel Products Research & Development, Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2019-10-25 doi: 10.13647/j.cnki.btgkj.2019.06.014
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In the paper, the effects of rare earth elements on the mechanical properties and metallographic structure of welded joints of low-alloy high-tensile structural steel Q345E are compared and analyzed. The effects of rare earth on fatigue property of base metal and welded joint are analyzed from the control of grain size and inclusion of Q345E steel by rare earth elements.

rare earth  /  Q345E  /  welding performance  /  fatigue strength
张凤明, 魏淼. 稀土对低合金高强度结构钢Q345E疲劳性能的影响. 包钢科技, 2019 , 45 (6) : 55 -58 . DOI: 10.13647/j.cnki.btgkj.2019.06.014
Feng-ming Zhang, Miao Wei. Effects of Rare Earth on Fatigue Property of Low-alloy High-tensile Structural Steel Q345E[J]. Science & Technology of Baotou Steel, 2019 , 45 (6) : 55 -58 . DOI: 10.13647/j.cnki.btgkj.2019.06.014
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Year 2019 volume 45 Issue 6
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Article Info
doi: 10.13647/j.cnki.btgkj.2019.06.014
  • Receive Date：2019-09-16
  • Online Date：2026-10-20
  • Published：2019-10-25
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  • Received：2019-09-16
Affiliations
    1.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Inner Mongolia Enterprise Key Laboratory of Rare Earth Steel Products Research & Development, 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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