材料期刊网

Feasibility Research of Using Phase Change Materials to Reduce the Inner Temperature Rise of Mass Concrete

QIAN Chunxiang , GAO Guibo , HE Zhihai , LI Ruiyang

武汉理工大学学报-材料科学版(英文版) doi:10.1007/s11595-015-1262-y

关键词:

Cementation of Loose Sand Particles based on Bio-cement

RONG Hui , QIAN Chunxiang

武汉理工大学学报-材料科学版(英文版) doi:10.1007/s11595-014-1069-2

关键词:

Efifciency of Concrete Crack-healing based on Biological Carbonate Precipitation

LUO Mian , QIAN Chunxiang , LI Ruiyang , RONG Hui

武汉理工大学学报-材料科学版(英文版) doi:10.1007/s11595-015-1304-5

关键词:

Mathematical Model of RH Blow Argon Mode Affecting:Decarburization Rate in Ultra-Low Carbon Steel Refining

LI Chong-wei , CHENG Guo-guang , WANG Xin-hua , ZHU Guo-sen , CUI Ai-min

钢铁研究学报(英文版)

A mathematical model in present study has been established to investigate the effect of Rheinstahl Heraeus (RH) blow argon mode on the decarburization rate in ultra-low carbon steel refining based on the RH equipment of Shougang Qian′an Iron and Steel Co Ltd (SQISCO). The calculated results show that the increase of argon flowrate promotes the carbon elimination from argon gas bubble surface, molten steel free surface in vacuum as well as splash droplet surface, while reduces that from the interior of liquid steel. It has been found the critical turning point of flowrate ascension is at the 5th minute and the optimum blow argon flowrate in later stage is 2100 L/min in accordance with the 2 stages argon blow mode, which have been confirmed in the commercial production in SQISCO.

关键词: RH , vacuum , mathematical model , argon flowrate , decarburization