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Cause Analysis for Cracking of YQ450NQR1 Z-type Steel
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Xiao-dong Tan, Ya Tao, Xiang-dong Bo, Li Liu
Rare Earth Steel | 2019, 45(3) : 45 - 49
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Rare Earth Steel | 2019, 45(3): 45-49
• Quality of Variety and Experiment and Research •
Cause Analysis for Cracking of YQ450NQR1 Z-type Steel
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Xiao-dong Tan, Ya Tao, Xiang-dong Bo, Li Liu
Affiliations
  • Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2019-06-25 doi: 10.13647/j.cnki.btgkj.2019.03.014
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The YQ450NQR1 Z-type steel is cracking during the rolling process so that it is determined to be rejected. Its causes are found out and reasonable control measures are put forward by metallographic examination, detection analysis of inclusions and scanning electron microscope.

YQ450NQR1 Z-type steel  /  cracking  /  cause analysis
谭晓东, 涛雅, 卜向东, 刘莉. YQ450NQR1乙字钢开裂原因分析. 包钢科技, 2019 , 45 (3) : 45 -49 . DOI: 10.13647/j.cnki.btgkj.2019.03.014
Xiao-dong Tan, Ya Tao, Xiang-dong Bo, Li Liu. Cause Analysis for Cracking of YQ450NQR1 Z-type Steel[J]. Science & Technology of Baotou Steel, 2019 , 45 (3) : 45 -49 . DOI: 10.13647/j.cnki.btgkj.2019.03.014
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Year 2019 volume 45 Issue 3
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Article Info
doi: 10.13647/j.cnki.btgkj.2019.03.014
  • Receive Date：2019-01-11
  • Online Date：2026-10-20
  • Published：2019-06-25
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  • Received：2019-01-11
Affiliations
    Technical Center 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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