Effects of Mineral Composition and Microstructure on Crack Resistance of Sintered Ore

YING Zi-wei; JIANG Mao-fa; XU Li-xian

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Effects of Mineral Composition and Microstructure on Crack Resistance of Sintered Ore

机译：矿物组成和显微组织对烧结矿抗裂性的影响

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Vickers indentation test was used to study the effects of mineral composition and microstructure on crack resistance of sintered ore, and the initiation and propagation of cracks in different minerals contained in sintered ore were examined. The results indicate that the microstructure of calcium ferrites is a major factor influencing crack resistance of sintered ore. Finer grain size of calcium ferrite will lead to higher cracking threshold and better crack resistance of sintered ore. The formation of calcium ferrite with fine grain size during sintering process is favorable for crack resistance of sintered ore.

机译：用维氏压痕试验研究了矿物组成和微观结构对烧结矿抗裂性的影响，并研究了烧结矿中不同矿物中裂纹的萌生和扩展。结果表明，铁素体钙的微观结构是影响烧结矿抗裂性能的主要因素。铁氧体钙的晶粒尺寸越小，烧结矿的裂化阈值越高，抗裂性越好。烧结过程中形成细晶粒的铁酸钙有利于烧结矿的抗裂性。

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来源
《Journal of Iron and Steel Research International》 |2006年第4期|p.9-12|共4页
作者
YING Zi-wei; JIANG Mao-fa; XU Li-xian;
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作者单位

School of Materials and Metallurgy. Northeastern University, Shenyang 110004, Liaoning, China;

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原文格式 PDF
正文语种 eng
中图分类冶金工业;
关键词
calcium ferrite; crack; fracture toughness; cracking threshold;

机译：铁酸钙;裂纹;断裂韧性;裂纹阈值;

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1. Effects of Mineral Composition and Microstructure on Crack Resistance of Sintered Ore [J] . YING Zi-wei, JIANG Mao-fa, XU Li-xian Journal of iron and steel research . 2006,第4期

机译：矿物组成和显微组织对烧结矿抗裂性的影响
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3. Amelioration of the mineral compositions and microstructures of the special ore sinters [J] . 中南大学学报（英文版） . 2001,第001期

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4. Effects of Compound Silicate Gangue on Mineral Composition and Microstructure of Sinter Produced by Baiyunebo Iron Ore Concentrates [C] . Guoping Luo, Shengli Wu, Yici Wang, International Conference on Manufacturing Science and Engineering . 2011

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5. EFFECTS OF PRECIPITATION HEAT TREATMENT ON THE MICROSTRUCTURE, TOUGHNESS AND STRESS CORROSION CRACK PROPAGATION RESISTANCE OF ALUMINUM ALLOY 2020. [D] . RINKER, JOHN GEORGE. 1982

机译：沉淀热处理对2020铝合金组织，韧度和应力腐蚀裂纹扩展阻力的影响。
6. Effects of sintering temperature on surface morphology/microstructure in vitro degradability mineralization and osteoblast response to magnesium phosphate as biomedical material [O] . Zhiwei Wang, Yuhai Ma, Jie Wei, -1

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7. STUDIES ON CHEMICAL ANALYSIS, MICROSTRUCTURE, MINERAL-COMPOSITIONS AND PHYSICAL PROPERTIES OF SOME IRON ORES [O] . Shigeichi Sasaki 1954

机译：一些铁矿石化学分析，微观结构，矿物组合物和物理性质的研究

Effects of Mineral Composition and Microstructure on Crack Resistance of Sintered Ore

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