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Theoretical Foundation of Carbonation Pellet Process for Ferrous Sludge Recycling

HU Chang-qing , HAN Tao , ZHANG Yu-zhu , ZHANG Zhi-xia

For the recycling of ferrous sludge from steel industry, the carbonation pellet process should be considered as a “green” process, since no impurities are added as well as CO2 can be sequestrated and consumed. Through the thermodynamic calculation, the carbonation reaction can occur spontaneously an...

关键词: CO2 sequestration , ferrous sludge , carbonation pellet , thermodynamics , kinetics , unreacted core model

Investigation on Pulverized Coal Combustion Behavior by Non-Isothermic Integral Thermogravimetry Method

QI Cheng-lin , ZHANG Jian-liang , LIN Xiang-hai , LIU Qin-yuan , WANG Xiao-liu

钢铁研究学报(英文版)

The combustion process of pulverized coal was investigated by non-isothermic integral thermogravimetry. The thermogravimetry curves were fitted by the Coats-Redferm approximation function, and kinetic parameters and characteristic temperatures were obtained. The optimal mixing ratio and particle siz...

关键词: pulverized coal combustion , themogravimetry , kinetics , mixed-coal granularity , coal combustion

Fe-C-Mn-Al系TRIP钢两相区奥氏体转变模拟

钱海帆，张宇光，王炜，张建平

钢铁

为了研究Fe-C-Mn-Al系TRIP钢两相区奥氏体化过程中合金元素在奥氏体和铁素体中的分布，利用热膨胀仪、金相显微镜、电子探针等仪器，在对TRIP钢两相区奥氏体化过程进行热力学与动力学分析的基础上，建立了两相区奥氏体化过程的扩散模型，采用显式有限体积法对800℃与840℃的奥氏体化过程进行了数值求...

关键词: 相变诱导塑性 , intercritical annealing , austenization , kinetics , diffusion , aluminum , manganese , finite element method

材料期刊网

Theoretical Foundation of Carbonation Pellet Process for Ferrous Sludge Recycling

Investigation on Pulverized Coal Combustion Behavior by Non-Isothermic Integral Thermogravimetry Method

Fe-C-Mn-Al系TRIP钢两相区奥氏体转变模拟

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